Module 9 Safety and Supportive Care in the Work Setting After completing the module, the participant will be able to: Describe how Universal Precautions can prevent healthcare workers (HCWs) from exposure to bloodborne pathogens. Outline strategies for preventing HIV transmission in the healthcare setting. Identify key steps in the decontamination, cleaning, disinfection and sterilization of equipment and materials. Discuss risk reduction in obstetric settings. Describe the management of occupational exposure to HIV. Outline the National PEP regimen. Identify personal strategies to manage burnout. Malawi PMTCT Participant Manual UNIT 1 Universal Precautions After completing the unit, the participant will be able to: Describe how Universal Precautions can prevent healthcare workers (HCWs) from exposure to bloodborne pathogens. Basic concepts of infection prevention HIV and other bloodborne diseases may be transmitted in healthcare settings from a client to a HCW, from a HCW to a client, or from a client to a client. HIV can be present in body fluids particularly where visible blood is present. Therefore, HIV infection can be transmitted through contact with blood or body fluids, either by direct contact with an open wound or by needle-stick injury. Blood is the primary fluid known to be associated with HIV transmission in the healthcare setting; small quantities of blood may be present in other body fluids. HIV transmission to HCWs is almost always associated with needlestick injuries during the care of a client who is HIV-infected. In practice, transmission occurs during: Intravenous injections Blood donations Dialysis Transfusions Client-to-client transmission of HIV infection can be prevented by disinfecting or sterilizing equipment and devices used in procedures that puncture the skin or other equipment that is exposed to blood, tissue, or body fluids. The context and environment in which health care is provided must be safe for the HCW. Transmission of infectious agents in the healthcare setting can be prevented by using infection prevention measures, including washing hands with soap and water; adhering to Universal Precautions and safe environmental practices; and providing ongoing education for employees about infection prevention. If such measures are employed, most healthcare settings should not pose any significant risk of HIV transmission to the HCW. Creating a safe work environment Creating a safe work environment involves practising Universal Precautions, managing the work environment, and providing ongoing infection prevention education for employees. Definition Universal Precautions are simple set of effective practices designed to protect HCWs and clients from infection with a range of pathogens, including bloodborne viruses such as HIV. These practices are used when caring for all clients regardless of diagnosis. 2 9- Malawi PMTCT Participant Manual It is not feasible or cost-effective to test all clients for all pathogens before providing care. Therefore, the level of precautions employed should be based on the nature of the procedure involved, not on the client’s actual or assumed HIV status. Managing the work environment Proper planning and management of supplies and other resources are essential for reducing the occupational risks of infection with HIV. To reduce occupational risks: Assess risks in the work setting. Explore different strategies for meeting resource needs. Develop standards and protocols that address safety, risk reduction, PEP follow-up, and first aid. Attain and maintain appropriate staffing levels. Ensure staff have appropriate workloads. Orient new staff to infection prevention procedures. Provide ongoing staff education and supervision. Implement supportive measures that reduce staff stress, isolation, and burnout. Acknowledge and address the multifaceted needs of HCWs who are HIV-infected. Ensure that Universal Precautions are implemented, monitored, and evaluated periodically. Have enough protective equipment on hand to decrease HCW stress about accidental occupational exposure to HIV. Provide protective clothing and equipment, including gloves, plastic aprons, gowns, goggles, and other protective devices. Provide and use appropriate disinfectants to clean up spills involving blood or other body fluids. Increase availability and accessibility of puncture-resistant sharps containers. Ongoing education for employees in infection prevention Orient all staff to the site’s infection prevention policies. Ensure that all workers who are routinely exposed to blood and body fluids (e.g., physicians, midwives, nurses, and support staff) receive preliminary and ongoing training on safe handling of equipment and materials. Require that supervisors regularly observe and assess safety practices and remedy deficiencies as needed. Module 9 Safety and Supportive Care in the Work Setting 3 9- Malawi PMTCT Participant Manual UNIT 2 Handling and Decontamination of Equipment and Materials After completing the unit, the participant will be able to: Outline strategies for preventing HIV transmission in the healthcare setting. Identify key steps in the decontamination, cleaning disinfection and sterilization of equipment and materials. Discuss risk reduction in obstetric settings. Hand washing The following strategies are strongly recommended for reducing transmission of bloodborne pathogens and other infectious agents in healthcare settings: Soap and water hand washing, using friction under running water for a minimum of 15 seconds. Alcohol-based hand rubs for routine decontamination or hand antisepsis for hands that are not visibly soiled. Note, however, that if hands are visibly soiled, hand rubs should not be considered a substitute for hand washing. Hand washing Hand washing with plain soap and water is one of the most effective methods for preventing transmission of bloodborne pathogens and limiting the spread of infection. Wash before: Wash after: Hand hygiene recommendations Putting on gloves Examining a client Performing any procedure that involves contact with blood or body fluids Handling contaminated items such as dressings and used instruments Eating Removing gloves Examining a client Performing any procedure that involves contact with blood or body fluids Handling contaminated items such as dressings and used instruments Making contact with body fluids, mucous membranes, non-intact skin, or wound dressings Handling soiled instruments and other items Using a toilet Reducing occupational exposure to HIV infection is achieved by avoiding direct contact with blood or fluids containing blood. 4 9- Malawi PMTCT Participant Manual Personal protective equipment Personal protective equipment safeguards clients and staff. Use the following equipment when possible: Gloves Aprons or gowns Eyewear Footwear When resources for purchasing protective equipment are limited, purchasing gloves should receive priority over other protective equipment. Gloves The use of a separate pair of gloves for each client helps prevent the transmission of infection from person to person. Protection with gloves is recommended when: There is a reasonable chance of hand contact with blood, other body fluids, mucous membranes, or broken or cut skin. Handling items contaminated with blood, body fluids, secretions HCW has skin lesions on the hand. Sterile gloves are required for surgical procedures. Gloves are not required for routine care activities in which contact is limited to a client’s intact skin. Tips for effective glove use Wear gloves that are the correct size. Use water-soluble hand lotions and moisturizers often to prevent hands from drying, cracking, and chapping. Avoid oil-based hand lotions or creams because they will damage latex rubber surgical and examination gloves. Do not wear rings because they may serve as a breeding ground for bacteria, yeast, and other disease-causing micro-organisms. Keep fingernails short (less than 3 mm beyond the fingertip). Long nails may provide a breeding ground for bacteria, yeast, and other disease-causing micro-organisms. Long fingernails are also more likely to puncture gloves. Store gloves in a place where they are protected from extreme temperatures, which can damage the gloves. Personal protective clothing such as waterproof gowns, aprons and/or masks must be worn only where there is likelihood of exposure to large amounts of blood or body fluids, such as in operating theatre, labour and delivery ward, or laboratory. Aprons or gowns Rubber or plastic aprons provide a protective waterproof barrier along the front of the HCW. A gown should be worn to protect skin and to prevent soiling of clothing during procedures and client-care activities that are likely to generate splashes or sprays of blood, body fluids, secretions, or excretions. Eyewear Eyewear, such as plastic goggles, safety glasses, face shields, or visors, protects the eyes from accidental splashes of blood or other body fluids. Module 9 Safety and Supportive Care in the Work Setting 5 9- Malawi PMTCT Participant Manual Footwear Gum boots or leather shoes provide extra protection to the feet from injury by sharps or heavy items that may accidentally fall. They must be kept clean. When possible, avoid wearing sandals, thongs, or shoes made of soft materials. Strategies for resource-constrained settings Universal Precaution measures are difficult to practise when supplies are low and protective equipment is not available. Use resources cost-effectively by prioritising the purchase and use of supplies, e.g., if gloves are in short supply, use them for childbirth and suturing instead of routine injections and bed-making. The most important way to reduce occupational exposure to HIV is to decrease contact with blood. Facilities should develop and use safety procedures that allow them to deliver effective care without compromising personal safety. Handling of equipment and materials Handling and disposal of sharps Most HIV transmission to HCWs in work settings is the result of skin puncture with contaminated needles or sharps. These injuries are more likely to occur when sharps are being recapped, cleaned, or inappropriately discarded. Recommendations for use of sterile injection equipment Use a sterile syringe and needle for each injection and when reconstituting each unit of medication. If single-use syringes and needles are unavailable, use equipment designed for steam sterilization. Use new, quality-controlled disposable syringes and needles. Avoid recapping and other manipulations of needles by hand. If recapping is necessary, use a single-handed scoop technique. (See Figure 9.1 Single-handed recap method.) Collect used syringes and needles at the point of use in a sharps container that is puncture- and leak-proof and that can be sealed before completely full. Completely destroy or burn needles and syringes so that people cannot access them. Wear gloves whenever a laboratory procedure is performed. Handle all laboratory specimens with care. Use holders for all blades. When it is necessary to recap, use the single-handed scooping method: Place the needle cap on a firm, flat surface. With one hand holding the syringe, use the needle to “scoop” up the cap, as shown in Step 1, Figure 9.1. With the cap now covering the needle tip, turn the syringe upright (vertical) so the needle and syringe are pointing toward the ceiling. Use the forefinger and thumb on your other hand to grasp the cap just above its open end and push the cap firmly down onto the hub (the place where the needle joins the syringe under the cap) (Step 2, Figure 9.1). 6 9- Malawi PMTCT Participant Manual Tips for careful handling of sharps Always point the sharp end away from yourself and others. Pass scalpels and other sharps with the sharp end pointing away from yourself and others. Whenever possible, place the sharp on a table or other flat surface (a tray) where it can then be picked up by the receiving person. Pick up sharps one at a time and never pass handfuls of sharp instruments or needles. Figure 9.1 Single-handed recap method: Step 1: Scoop up the cap. Step 2: Push cap firmly down. Sharps containers Using sharps disposal containers helps prevent injuries from disposable sharps. Sharps containers should be fitted with a cover, and should be puncture-proof, leak-proof, and tamper-proof (i.e., difficult to open or break). If plastic or metal containers are unavailable or too costly, use containers made of dense cardboard (cardboard safety boxes) that meet WHO specifications. If cardboard safety boxes are unavailable, many easily available objects can substitute as sharps containers: Tin with a lid Thick plastic bottle Heavy plastic box Heavy cardboard box Module 9 Safety and Supportive Care in the Work Setting 7 9- Malawi PMTCT Participant Manual Recommendations for safe use of sharps containers All sharps containers should be clearly marked “SHARPS” and/or have pictorial instructions for the use and disposal of the container. Place sharps containers away from high-traffic areas and as close as possible to where the sharps will be used. The placement of the container should be practical (ideally within arm’s reach) but not in the way. Do not place containers near light switches, overhead fans, or thermostat controls where people might accidentally put one of their hands into them. Attach containers to walls or other surfaces if possible. Position the containers at a convenient height so staff can use and replace them easily. Never reuse or recycle sharps containers for other purposes. Mark the containers clearly so that people will not unknowingly use them as garbage receptacles. Seal and close containers when ¾ full. Do not fill safety box beyond ¾ full. Avoid shaking a container to settle its contents to make room for more sharps Close sharp containers tightly when they are full and incinerate or dispose them according to IP policy. Introduction to decontamination, cleaning, high-level disinfection (HLD), and sterilization The method used to neutralize or remove harmful agents from contaminated equipment or supplies should be based on: Risk of infection associated with the contaminated instrument or piece of equipment Decontamination process the object can tolerate Routine procedures for decontamination, cleaning, HLD and sterilization of equipment: Use heavy gloves. Dismantle all equipment before cleaning. Wear additional protective clothing such as aprons, gowns, goggles, and masks when at risk for being splashed with body fluid. Decontamination of equipment and materials Definition Decontamination is a process that makes inanimate objects safer to be handled by staff before cleaning (i.e., inactivates HBV, HBC and HIV and reduces, but does not eliminate, the number of other contaminating microorganisms). Decontamination is the first step in processing soiled (contaminated) surgical instruments, gloves, and other items, especially if cleaning by hand. Decontaminate by soaking contaminated items for 10 minutes in 0.5% chlorine solution, or other locally available disinfectants. Larger surfaces, such as examination and operating tables, laboratory bench tops, and other equipment that may have come in contact with blood or other body fluids should be decontaminated by wiping with a suitable disinfectant (e.g., 0.5% chlorine solution or 1– 2% phenol). 8 9- Malawi PMTCT Participant Manual Decontamination should be done at point of use in each department, unit, or ward, immediately after the procedure. The following chart shows how to prepare a 0.5% chlorine solution from pre-made solutions. Brand of Bleach, % chlorine To obtain a 0.5% chlorine solution Household bleach, 5% chorine 1 part household bleach to 9 parts water Jik, 3.5% chlorine 1 part Jik bleach to 6 parts water Powder bleach, 35% chlorine 14.2 grams of dry powder to 1 litre of water The general formula for making a dilute chlorine solution from a commercial preparation of any given concentration is as follows:* Total parts of water = [% concentrate/% dilute] -1. Example: to make a 0.5% dilute solution of chlorine from 5% concentrated liquid household bleach = [5.0%/0.5%] -1 = 9 parts of water; therefore add one part of concentrated bleach to nine parts of water. If using commercially available dry powder chlorine, use the following formula to calculate the amount (in grams) of dry powder required to make 0.5% chlorine solution: Grams/litre = [% dilute/% concentrate] x 1000. For example to make a 0.5% dilute chlorine solution from a dry powder of 35% calcium hypochlorite = [0.5%/35%] x 1000 = 14.2 g. Therefore add 14.2 grams of dry powder to 1 litre of water or 142 grams to 10 litres of water. Cleaning of equipment Definition Cleaning is a process that physically removes all visible dust, soil, blood or other body fluids from inanimate objects as well as removing sufficient numbers of microorganisms to reduce risks for those who touch the skin or handle the object. It consists of thoroughly washing with soap or detergent and water, rinsing with clean water and drying.† Any instrument or equipment that comes into contact with intact skin should be cleaned before it is used. Any instrument or equipment shall be thoroughly cleaned before further processing (sterilization or disinfection). Adapted from: Colposcopy and Treatment of Cervical Intraepithelial Neoplasia. A Beginner’s Manual, Chapt. 14, http://screening.iarc.fr/colpochap.php?lang=1&chap=14.php † If tap water is contaminated, use water that has been boiled for 10 minutes and filtered to remove particulate matter (if necessary), or use chlorinated water—water treated with a dilute bleach solution to make the final concentration 0.001%. * Module 9 Safety and Supportive Care in the Work Setting 9 9- Malawi PMTCT Participant Manual All cleaning agents should be removed from instruments and equipment by rinsing prior to further processing. Appropriate personal protective equipment should be used during cleaning. Cleaning of instruments can be performed in each department, unit, and ward or in a central sterilization department/area. High-level disinfection (HLD) Any instrument or equipment that comes into Definition contact with non-sterile tissue (i.e., intact mucous HLD is a process that membranes or skin) should be high-level eliminates nearly all disinfected or sterilized before it is used. microorganisms, except some The method of HLD should be compatible with the bacterial endospores, from particular type of instrument or equipment. inanimate objects by boiling, All instruments and equipment should be steaming, or using chemical decontaminated, cleaned and dried prior HLD. disinfectants. HLD is not a sterilization process. HLD should be done by boiling or steaming instruments and other items for 20 minutes. Chlorine, glutaraldehydes, formaldehyde and peroxide are routinely used as highlevel disinfectants. HLD is achieved by soaking the instruments and other items for 20 minutes in 2–4% glutaraldehyde solution, 8% formaldehyde solution, or 0.1% chlorine solution. Instruments and other items should be rinsed with sterile or HLD water after the process to washout the chemical residues. Items should never be stored in disinfectants before or after any form of disinfection. Procedures should be in place to ensure that handling, packaging, and storing techniques prevent contamination of the item. Some items and equipment do not require HLD (e.g., thermometers, stethescopes). In these cases other disinfectants may be used. Ethyl and isopropyl (2-propyl) alcohol (60–90%) are excellent disinfectants that are commonly available and inexpensive. Their rapid killing action and lack of chemical residue makes them ideal for disinfection of many medical items. HLD should be performed in a central sterilization department or area. Sterilization Definition Sterilization is a process that eliminates all microorganisms (bacteria, viruses, fungi and parasites) including bacterial endospores from inanimate objects by high-pressure steam (autoclave), dry heat (oven), chemical sterilants or radiation. All instruments and equipment should be decontaminated, cleaned, and dried prior to sterilization. The method of sterilization should be compatible with the particular type of instrument or equipment. Any instrument or equipment used to enter, or that is capable of entering, sterile tissue or the vascular system of a client, should be sterilized before it is used. Microwaves ovens, pressure cookers, dishwashers, ultraviolet cabinets, ultrasonic cleaners, and similar devices do not sterilize and therefore should not be used for this purpose. 10 9- Malawi PMTCT Participant Manual If using steam sterilization: Observe recommended temperature, pressure and holding time. For most autoclaves (unless otherwise recommended by the manufacturer) this would be: Temperature should be 121C (250F) Pressure should be 106 kPa (15 lbs/in2) Time should be 20 minutes for unwrapped items, 30 minutes for wrapped items Otherwise, follow manufacture’s recommendations. Manufacture’s instructions for effective and safe use of the sterilizer should be visible and followed at all times. All packed and wrapped instruments and equipment should be stored in a manner that ensures sterility is maintained. If using dry heat sterilization: Unless otherwise recommended by the manufacturer, recommended temperature and times are as follows: Sterilize at 170C (340F) for 1 hour (total cycle time—placing instruments in oven, heating to 170C, timing for 1 hour, and then cooling—is from 2–2.5 hours), OR Sterilize at 160C (320F) for 2 hours (total cycle time is from 3–3.5 hours). Manufacture’s instructions for effective and safe use of the sterilizer should be visible and followed at all times. All packed and wrapped instruments and equipment should be stored in a manner that ensures sterility is maintained. If using chemical sterilization: Some high-level disinfectants will kill endospores after prolonged (10–24 hour) exposure. Common disinfectants that can be used for chemical sterilization include glutaraldehydes and formaldehyde. Sterilization takes place by soaking for at least 10 hours in 2–4% glutaraldehyde solution or at least 24 hours in 8% formaldehyde. Both glutaraldehydes and formaldehyde require special handling and leave a residue on treated instruments; therefore, rinsing with sterile water is essential if the item must be kept sterile. Manufacturer’s instructions for effective and safe use of the sterilizer should be visible and followed at all times. All packed and wrapped instruments and equipment should be stored in a manner that ensures sterility is maintained. Sterilized items should be stored and handled in a manner that maintains the integrity of packing materials, and prevents contamination of the contents. The content of any sterilized package should be considered contaminated if the packaging is either damaged or becomes wet. A stock rotation system, based on the expiration date of the sterilization, should be implemented for all areas of the facility in which sterile supplies are stored. Proper handling of soiled linen Soiled linen should be touched as little as possible and should be collected in bags and not rinsed or sorted at the patient care area. If possible, linen with large amounts of blood should be transported in leak-proof containers and, if not available, they should be folded with the soiled parts inside, and handled carefully with gloves. Soiled linen should be Module 9 Safety and Supportive Care in the Work Setting 11 9- Malawi PMTCT Participant Manual soaked in 0.5% chlorine solution for ten minutes, then washed separately in hot soapy water and air-dried. If the linen is to be used in theatre, it should be sterilized. Risk reduction in the obstetric setting The potential for exposure to HIV-contaminated blood and body fluids is highest during labour and delivery. Module 3, Specific Interventions to Prevent Mother-to-Child Transmission of HIV (PMTCT), includes recommendations for safer obstetric practices designed to minimize this risk. In labour and delivery settings, HCWs should: Provide appropriate and sensitive care to all women regardless of HIV status. Work in a manner that ensures safety and reduces the risk of occupational exposure for themselves and their colleagues. Tips for reducing the risk of occupational exposure in the obstetric setting Wash hands. Cover broken skin or open wounds with watertight dressings. Wear suitable gloves when exposure to blood or body fluids is likely. Wear a waterproof plastic apron during delivery. Cover the cord with gloved hand or gauze before cutting. Use gloves during manual removal of a placenta. When possible, wear gloves for all operations. When possible, wear an eye shield during episiotomy and suturing. Use needle holders when suturing. Pass all sharp instruments on to a tray, rather than hand-to-hand. When episiotomy is necessary, use an appropriate-sized needle (21 gauge, 4 cm, curved) and needle holder during the repair. If blood splashes on skin, immediately wash the area with soap and water. If splashed in the eye, wash the eye with water only. If blood splashes on the floor, wash it using chlorine solution. Dispose of solid waste (e.g., blood-soaked dressings and placentas) safely according to local procedures. 12 9- Malawi PMTCT Participant Manual Exercise 9.1 Promoting a safe work environment resource list: group discussion Purpose To discuss the availability of safety resources and materials in our programmes, and the type of risk reduction practices used Duration Instructions 15 minutes Refer to the Promoting a Safe Work Environment: Resource List below. The trainer will lead a group discussion on the availability of the items in the resources list (below) as well as strategies when supplies are short. Exercise 9.1 “Promoting a safe environment” resource list Personal protective equipment Gloves—various sizes Aprons or gowns Eyewear Footwear Waterproof dressings Materials Cleaning and disinfecting agents Equipment for sterilization Sharps disposal containers Waterproof waste containers for contaminated items Alcohol-based hand rubs or antimicrobial soap Safety standards Policies on use of Universal Precautions Procedures for disposal of infectious or toxic waste Procedures for sterilization of equipment Policies on handling and disposal of sharps Protocols for management of PEP, including antiretroviral (ARV) medications and hepatitis B immunisation Procedures for minimizing exposure to infection in high-risk settings, such as labour and delivery Education New employee orientation to infection prevention procedures Ongoing training to build skills in safe handling of equipment Monitoring and evaluation of safety practices to assess implementation and remedy deficiencies Module 9 Safety and Supportive Care in the Work Setting 13 9- Malawi PMTCT Participant Manual Exercise 9.2 Reducing HIV transmission risk in MCH settings: case study Purpose To review the application of Universal Precautions in a high-risk setting Duration 45 minutes Instructions The trainer will lead a discussion of the case study (below) focusing on the Universal Precautions principles that apply. Case study Nachisale arrives at the labour and delivery unit of your local hospital. She hands you her Health Passport that identifies her as someone who has received care at the neighbouring ANC clinic. This card is coded to let you know that she is HIV-infected. She explains that her contractions are steady now and about four minutes apart. You perform a vaginal examination and estimate that Nachisale has at least 2 more hours until delivery. What are some Universal Precautions that you, as a HCW, should take when examining Nachisale? Should HCWs use gloves when caring for clients who are HIV-infected? Does your clinical protocol require HCWs to use gloves when caring for clients who are HIV-infected? According to Universal Precautions, would the same gloving requirements apply for all labour and delivery patients, regardless of HIV status? In your facility, are gloves and antiseptics for use in the labour ward in good supply? What do we know about the relationship between MTCT and vaginal examinations for pregnant HIV-infected women? Nachisale is now fully dilated and ready to deliver. As the head is delivered, you use gauze to carefully free the infant’s mouth and nostrils of fluids. Then, with one final push, the infant is delivered completely. You cut the cord, wipe and wrap the baby, then hand the baby to the mother or a gloved assistant. Then the placenta is delivered. Itemize the protective clothing that would be appropriate in a labour and delivery setting. Consider the need for proper disposal of sharps used in labour and delivery. Does your facility have conveniently located containers for the disposal of sharps? At your facility, what are the policies for disposing of waste materials? What should be done with the placenta and other contaminated materials? Nachisale was your 30th delivery in the past 24 hours. You need to get home and tend to your family but your replacement has not yet arrived. You speak with your supervisor and she is able to locate someone else to take your place. Why is it important that you not stay and not continue to work tonight? In your facility, do you have someone who will help you find staffing relief if needed? 14 9- Malawi PMTCT Participant Manual UNIT 3 Managing Occupational Exposure to HIV After completing the unit, the participant will be able to: Describe the management of occupational exposure to HIV. Outline the National PEP regimen. Managing occupational exposure to HIV infection In healthcare settings, the occupational risk of becoming HIV-infected due to a needlestick is low (less than 1%). Most cases involve injuries from needles or sharps that have been used on an HIV-infected client. The data that support this estimate were not collected in resource-limited settings. It is likely that in resource-limited settings the risk is higher because there are more clients with undiagnosed HIV infection, more clients with higher viral loads and with advanced HIV or AIDS, and less protective equipment available. The risk of HIV transmission from exposure to other infected fluids or tissues is believed to be lower than from exposure to infected blood. Risk of exposure from needle-sticks and contact with blood and body fluids exists in settings where: Safe needle procedures and Universal Infection Prevention Precautions are not followed. Waste management protocols are inadequate or not consistently implemented. Protective gear is in short supply. Rates of HIV infection in the client population are high. To minimize the need for PEP, national strategies for education and training in healthcare waste management are necessary. Benefits of making PEP available for HCWs: Promotes retention of staff who are concerned about the risk of exposure to HIV in the workplace Increases staff willingness and motivation to work with people who are HIV-infected Reduces the occurrence of occupationally-acquired HIV infection in HCWs A comprehensive PEP protocol outlines the methods for preventing occupational exposure to HIV and other bloodborne pathogens. National PEP protocol Occupational exposure may place a HCW at risk of HIV infection. Needle-stick injury is the most common occupational exposure, although exposure to other body fluids such as pleural, pericardial, ascitic, amniotic, synovial, cerebral spinal fluids, semen, and vaginal secretions pose a risk for HIV infection as well. Module 9 Safety and Supportive Care in the Work Setting 15 9- Malawi PMTCT Participant Manual The overall risk of HIV infection from occupational exposure is relatively low. For example, from needle-sticks the overall risk of becoming HIV-infected is 1 in 300. From mucous membrane exposure it is less than 1 in 1000. PEP: low risk and high risk “PEP” refers to treatment of the HCW who has experienced an occupational exposure using ARV drugs. ARV therapy started immediately after exposure to HIV may prevent HIV infection, although this protection is not 100% effective. Treatment should be initiated within 1-2 hours of exposure, but if there are delays, PEP can still be started up to 72 hours after the exposure. For the purposes of intervention, the HIV exposure is classified as either low risk or high risk. High risk exposures: Percutaneous injuries with hollow needles and a large volume of blood onto a mucosal surface from a source person who is known to be HIVseropositive, or a strong suspicion that the source is HIV-seropositive. Low risk exposures: All other exposures, including percutaneous injuries with solid needles, exposures to fluids other than blood, and exposures to non-intact skin. Exposure of blood or other fluids to intact skin is not a risk in this context and does not require PEP. Although there are several options for PEP, it is critical that healthcare workers minimize their risk of exposure to HIV infection. Therefore, all body fluids should be considered potentially infectious and it is important to follow all Universal Precautions. What to do after occupational exposure First aid and other immediate measures: The aim of first aid is to reduce contact time with the source person’s blood or body fluid and to decontaminate the site of the exposure to reduce the risk of infection. Use soap and water to rinse any wound or skin site in contact with infected blood or fluid. Rinse exposed mucous membranes thoroughly with water. Irrigate generously any open wound with sterile saline or disinfectant solution (2-5 minutes). Irrigate eyes with clear water, saline, or sterile eye irrigants. Report exposure to the clinician on duty as soon as possible. Operational considerations: Each health facility should keep a bottle of AZT+3TC (Duovir®) (60 tablets) in an agreed designated unit for easy but secure access. Following occupational exposure, a HCW should immediately report the exposure to the senior member of his/her unit and to the designated PEP location where initial risk assessment will be done. A 3 day supply of AZT+3TC will be given and the HCW should begin the PEP regimen as soon as possible after the exposure. (See PEP regimen below.) HCWs must be counselled about ARV side effects. Side effects should be monitored clinically, and laboratory tests (e.g., haemoglobin measurements for zidovudine) conducted if indicated. 16 9- Malawi PMTCT Participant Manual The source client The HIV status of the source client should be determined whenever possible. If the source client is HIV-positive, then PEP is indicated. If the source client is HIV-negative, this may be because the source client is in the “window period” of HIV-infection or may be in hospital because of primary HIV infection. Specialist advice may be sought about the need to continue or stop PEP, but in general the advice will be to continue the PEP because of the risk. The HCW The HCW must be strongly encouraged to undergo HIV testing and counselling immediately or, if that is not possible, within 72 hours of exposure. If the HCW is HIV-positive, then PEP is not necessary and should be stopped, administration of two therapies may lead to the development of drug resistance. HCWs diagnosed as HIV-positive need to be assessed for eligibility for ART. The HCW who tests HIV-negative should receive follow-up HIV testing 3 and 6 months after the exposure. If the HIV test is negative at 6 months, the HCW can be counselled that he/she has not been infected with HIV as a result of the exposure. The PEP regimen Drug Zidovudine (AZT) 300mg/Lamivudine (3TC) 150mg (Duovir) Dose One tablet Frequency Twice a day (BD) Duration 30 days Duovir (a dual NRTI therapy) should be available at every health facility and at central medical stores. In cases of high risk exposure or when the source client is already on ART, lopinavir/ritonavir (a protease inhibitor) three capsules twice a day can be added to the Duovir therapy: specialist advice is necessary in these cases. Guidelines for providing PEP Monitoring and management of PEP toxicity If PEP is used, HCWs should be monitored for drug toxicity by laboratory testing at baseline and again 2 weeks after starting PEP. Some HCWs taking PEP experience adverse symptoms including nausea, malaise, headache, and anorexia. Pregnant workers or women of childbearing age who may be pregnant may receive PEP. The scope of monitoring should be based on medical conditions in the exposed person and the toxicity of drugs in the PEP regimen. Ideally, laboratory monitoring for toxicity should include a complete blood count and renal and hepatic function tests. Staff who are at risk for occupational exposure to bloodborne pathogens need to be educated about the principles of PEP management during job orientation and on an ongoing basis. PMTCT services should support workers while they are taking PEP and help manage any side effects. Module 9 Safety and Supportive Care in the Work Setting 17 9- Malawi PMTCT Participant Manual Exercise 9.3 PEP case study: small-group discussion Purpose To review implementation of PEP protocols Duration 30 minutes Instructions Participants will be divided into three groups. Refer to the PEP case study: Nurse Mary (below). Each small group will have 20 minutes to read the case study and record on paper the step-by-step implementation of the PEP protocol. Share each step in the process with the larger group as directed by the trainer. Case Study Nurse Mary is working late in the labour and delivery unit. When removing an intravenous needle from the arm of a client who is in labour, Nurse Mary accidentally punctures her finger. After this occupational exposure, what is the very first thing Nurse Mary should do? List each subsequent step according to protocol. 18 9- Malawi PMTCT Participant Manual UNIT 4 Supportive Care for the Carer After completing the unit, the participant will be able to: Identify personal strategies to manage burnout. Care for the carer Burnout HCWs who provide ongoing care of pregnant women who are HIV-infected (or whose HIV status is unknown) and their infants, are vulnerable to “burnout.” Burnout syndrome stems from extended exposure to intense job-related stress and strain. Burnout syndrome is characterized by: Emotional exhaustion: feelings of helplessness, depression, anger, and impatience Depersonalisation: detachment from the job and an increasingly cynical view of clients and co-workers Decreased productivity: due to a real or perceived sense that their efforts are not worthwhile and do not seem to have an impact Signs and symptoms of burnout Behavioural Frequent changes in mood Eating too much or too little Drinking alcohol and/or smoking too much Becoming “accident prone” Cognitive Unable to make decisions Forgetful, poor concentration Sensitive to criticism Physical High blood pressure Palpitations, trembling Dry mouth, sweating Stomach upset Occupational Taking more days off Arguing with co-workers Working more hours but getting less done Having low energy, being less motivated Institutional or job-related risk factors for burnout Work overload, limited or no breaks Long working hours Poorly structured work assignment (worker not able to use skills effectively) Inadequate leadership and support Lack of training and skill-building specific to your job Personal risk factors for burnout Unrealistic goals and job expectations Low self-esteem Anxiety Module 9 Safety and Supportive Care in the Work Setting 19 9- Malawi PMTCT Participant Manual Caring for clients with a fatal disease Personal strategies for minimizing or preventing burnout syndrome Seek support from others Take care of yourself Engage in restorative activities, such as reading and exercising Tips for managing burnout Find or establish a support group of peers. This could include establishing a link with existing networks such as the VCT centre. Search out a mentor—someone who can confidentially support you, listen to you, and guide you. Read books or listen to tapes that provide strategies for coping with stress. Take a course to learn about a subject relevant to your work (or take a refresher course on a previously-studied subject). Take structured breaks during work hours. Make time for yourself and your family. Exercise, eat properly, and get enough rest. Link with social groups, social functions or services that can provide support. Where possible, delegate some workrelated responsibilities to colleagues. Exercise 9.4 Burnout in the PMTCT service: large group discussion Purpose To examine factors that contribute to burnout and develop creative prevention strategies Duration 30 minutes Instructions In the large group, discuss your answers to the questions below. Feel free to share stories and personal experiences about burnout with the group and consider ways to address burnout. 20 9- Malawi PMTCT Participant Manual Exercise 9.4 Burnout in the PMTCT service, Questions for discussion What is the greatest daily challenge in your clinical setting? Comment on staffing for testing and counselling at your facility. Are there enough counsellors? What are the training requirements? Does your facility orient staff to the workplace? Does your facility meet staffing requirements? Does your DHO and/or organization e.g. CHAM provide ongoing education to ensure adequate, updated skills? Does your organization ensure that staff have all the necessary supplies and materials? Does your facility support and assist staff? Is there someone you can turn to help you with your workplace concerns? Are you connected to community services that make your job easier? Do you have your own source of peer support? Who are your supporters? Do you use your own stress-reduction techniques that work well for you? What are three things that would make your job easier? Share your personal experiences about burnout in your clinical setting with the larger group. Module 9: Key Points Creating a safe work environment involves practising: Universal Precautions Management of the work environment Ongoing education of employees in all aspects of infection prevention Universal Precautions apply to all clients, regardless of diagnosis. Key components include: Hand washing Use of personal protective equipment Decontamination of equipment Safe handling and disposal of sharps Safe disposal of infectious waste materials Safe environmental practices Decontaminated, cleaning, high-level disinfection, and/or sterilized of all instruments used in invasive procedures reduce risk of transmission of infection. Post-exposure prophylaxis (PEP) is short-term antiretroviral prophylaxis that reduces the risk of HIV infection after occupational exposure. The regimen (one tablet of Duovir twice a day for 30 days) should be started within 1-2 hours of exposure. Burnout is related to intense, prolonged job stress but can be managed, even prevented through personal strategies, particularly if there is organizational support. Module 9 Safety and Supportive Care in the Work Setting 21 9- Malawi PMTCT Participant Manual APPENDIX 9-A Guidelines for decontamination, cleaning, sterilization and disposal of infectious waste materials Category Application Example Final Process Required Critical Instruments and equipment which enter, or are capable of entering, tissue that would be sterile under normal circumstances or the vascular system Instruments and equipment which come into contact with non-sterile tissue (intact mucous membranes or broken skin) Instruments and equipment which come in contact with intact skin Surgical instruments, injection needles, dental hand pieces, surgical gloves, etc. Sterilization Vaginal specula, mouth shutters, respiratory therapy equipment, colonoscopies, etc. Disinfection Bedpans, linen, beds, stethoscopes, etc. Cleaning Semi-critical Non-critical Decontamination Process that makes inanimate objects safer to be handled by staff before cleaning (i.e., inactivates HBV, HBC and HIV and reduces, but does not eliminate, the number of other contaminating micro-organisms). Decontamination should be the first step in processing soiled (contaminated) surgical instruments, gloves and other items, especially if they should be cleaned by hand. Decontamination should be done by soaking contaminated items for 10 minutes in 0.5% chlorine solution, or other locally available disinfectants. Larger surfaces, such as examination and operating tables, laboratory bench tops and other equipment that may have come in contact with blood or other body fluids also should be decontaminated by wiping with a suitable disinfectant (e.g., 0.5% chlorine solution or 1–2% phenol). Decontamination should be done at point of use in each department, unit or ward, immediately after the procedure. Cleaning Process that physically removes all visible dust, soil, blood or other body fluids from inanimate objects as well as removing sufficient numbers of micro-organisms to reduce risks for those handling the object. It consists of thoroughly washing with soap or detergent and water, rinsing with clean water and drying.‡ Any instrument or equipment that comes into contact with intact skin should be cleaned before it is used. Any instrument or equipment should be thoroughly cleaned before further processing ‡ If tap water is contaminated, use water that has been boiled for 10 minutes and filtered to remove particulate matter (if necessary), or use chlorinated water—water treated with a dilute bleach solution to make the final concentration 0.001%. 22 9- Malawi PMTCT Participant Manual APPENDIX 9-A Guidelines for decontamination, cleaning, sterilization and disposal of infectious waste materials (continued) (sterilization or disinfection) and all cleaning agents should be removed from instruments and equipment by rinsing prior to further processing. Cleaning of instruments can be performed in each department, unit, and ward or in a central sterilization department/area. High Level Disinfection (HLD) Process that eliminates all micro-organisms except some bacterial endospores from inanimate objects by boiling, steaming or the use of chemical disinfectants. Any instrument or equipment that comes into contact with non-sterile tissue should be highlevel disinfected or sterilized before it is used. The method of HLD should be compatible with the particular type of instrument or equipment. All instruments and equipment should be decontaminated, cleaned and dried prior to HLD. HLD is not a sterilization process and should be done by boiling or steaming instruments and other items for 20 minutes. Chlorine, glutaraldehydes, formaldehyde and peroxide—are routinely used as high-level disinfectants. HLD takes place by soaking the instruments and other items for 20 minutes in 2–4% glutaraldehyde solution, 8% formaldehyde or 0.1% chlorine solution. Instruments and other items should be rinsed with sterile or HLD water after the process, to washout the chemical residues. Disinfection of instruments can be performed in each department, unit, or ward. Sterilization Process that eliminates all micro-organisms (bacteria, viruses, fungi and parasites) including bacterial endospores from inanimate objects by high-pressure steam (autoclave), dry heat (oven), chemical sterilants or radiation. Any instrument or equipment used to enter sterile tissue or the vascular system of a client should be sterilized before it is used. The method of sterilization should be compatible with the particular type of instrument or equipment. If using dry heat sterilization: 170C (340F) for 1 hour (total cycle time—placing instruments in oven, heating to 170C, timing for 1 hour, and then cooling—is from 2–2.5 hours), or 160C (320F) for 2 hours (total cycle time is from 3–3.5 hours). Otherwise manufacture’s recommendations should be followed. If using chemical sterilization: Some high-level disinfectants will kill endospores after prolonged (10–24 hour) exposure. Common disinfectants that can be used for chemical sterilization include glutaraldehydes and formaldehyde. Sterilization takes place by soaking for at least 10 hours in 2–4% glutaraldehyde solution or at least 24 hours in 8% formaldehyde. Module 9 Safety and Supportive Care in the Work Setting 23 9- Malawi PMTCT Participant Manual APPENDIX 9-A Guidelines for decontamination, cleaning, sterilization and disposal of infectious waste materials (continued) Waste segregation The doctor, nurse or any other person generating waste should separate hazardous waste from non-hazardous waste at the ward bedside, operation theatre, laboratory or any other room in the hospital where waste is generated. Disposable medical equipment and supplies like syringes, needles, plastic bottles; drips etc should be cut or broken and rendered non- reusable at the point of use by the person using them. Sharps including the cut or broken syringes and needles should be placed in safety boxes resistant to penetration and leakage and these containers should be designed in such a way that the items can be dropped into them by using one hand. Chemical waste and waste with high content of mercury or cadmin should not be incinerated but should be placed in chemical resistant containers and sent to specialized treatment facilities. 24 9- Malawi PMTCT Participant Manual APPENDIX 9-A Guidelines for decontamination, cleaning, sterilization and disposal of infectious waste materials (continued) Waste storage A separate central storage facility should be provided for hazardous waste at each health facility and be inaccessible to unauthorized persons. A hazardous waste central storage area should have a sign clearly mentioning that the facility stores hazardous waste. The waste should be put in an appropriately colour coded container. Containers with chemical waste that are to be treated at a specialized treatment facility should be stored in a separate room. Waste treatment and disposal Hazardous waste should be disposed of by burning in an incinerator or by burial in a landfill. Radioactive waste should be disposed by encapsulation. Sharps containers not placed in yellow bags for incineration should be disposed of by encapsulation or any other method approved by Malawi Bureau of standards. Disposal methods (burning or incineration, burial in landfill) should be operated by a hospital after approval of its Environmental Impact Assessment by MNREA. All hazardous waste delivered to an incinerator should be burned within 24 hrs. Landfills for health care waste treatment should be located at sites with minimum risk of pollution of groundwater and rivers. Access to the site should also be restricted to authorized personnel only. All liquid hazardous waste should be discharged into a sewerage system only after being properly treated and disinfected. Accidents and spillages In case of accidents or spillage, the following actions should be taken A. The contaminated area should be immediately evacuated. B. The contaminated area should be cleared or disinfected. C. Exposure of the staff should be limited to the extent possible during the clean up operation and appropriate immunization carried out D. Any emergency equipment used should be immediately replaced in the same location from which it was taken. All health staff members should be properly trained and prepared for emergency response including procedures for treatment of injuries cleaning up of the contaminated area and all incidents of accidental spillage reported appropriately. Source: Ministry of Health, Malawi, October 2004. Infection Prevention and Control Policy: Draft for Review. Module 9 Safety and Supportive Care in the Work Setting 25 9- Malawi PMTCT Participant Manual APPENDIX 9-B Post-exposure prophylaxis after sexual assault Rape is commonly associated with assault and genital tract trauma, which increases the risk of HIV transmission. A rapid HIV test must be conducted after counselling, and the victim should be provided with the test results. Eligibility criteria for PEP Eligible Not eligible Persons who present with a history of rape within the previous 72 hours, with a history of penetration, regardless of ejaculation Victim tests HIV-negative on initial testing Person who presents more than 72 hours after rape Victim consents to PEP Victim tests HIV-positive on initial testing (refer to HIV care & support) Victim does not consent to PEP The eligible victim should be given PEP regardless of the sero-status of the assailant, as the assailant may be in the window period during time of a negative test outcome. Operational considerations: 1) When managing a rape victim, a HCW should assess eligibility for PEP and provide a 30 day supply of PEP to the victim. 2) The victim must be advised to use condoms until 6-months have elapsed and the victim is then found to be HIV-negative. 3) If a victim on PEP is experiencing side effects such as dizziness, fatigue or parlour, she should return to the health facility for further assessment. 4) The victim should return at 3 months and 6 months for repeat HIV testing. If the HIV test remains negative at 6 months, the victim can be counselled that she has not been infected with HIV as a result of the exposure. If the victim is found to be HIV infected during follow up, she should be referred for HIV care & support. 5) It is recommended that a baseline Haemoglobin (HB) reading should be determined before victims commence PEP therapy, because of the possible occurrence of anaemia due to AZT. If a victim has a HB ≤ 8 mg/ml, Duovir should be replaced with Lamivir S. 26 9- Malawi PMTCT Participant Manual APPENDIX 9-B Post-exposure prophylaxis after sexual assault (continued) The PEP regimen Drug Zidovudine (AZT) 300mg/ Lamivudine (3TC) 150mg Dose Frequency Duration (Also known as Duovir) One tablet Twice a day (BD) 30 days (Also known as Lamivir S) One tablet Twice a day (BD) 30 days OR ELSE Stavudine (D4T) 40 mg / Lamivudine (3TC) 150 mg PEP therapy should be available at every health facility and at central medical stores. Recommended HIV serology after exposure Baseline (Day zero) Within 72 hours of exposure Follow-up 2 Three months Follow-up 3 Six months If the victim is found to already be HIV-seropositive, then PEP should not be started (or discontinued if started already), and appropriate counselling and clinical referral should made. Counselling on abstinence, use of condoms and drug compliance should be emphasized, and victims should be fully equipped with the information on drug side effects. Follow up visits Follow-up is always necessary in order to identify issues which might have been missed on the initial visit and to identify other infections that have long incubation period e.g. syphilis, hepatitis B, HIV. Follow up visit is recommended at 2 weeks post assault. If the client has been given PEP, a HIV test; including post test counselling is recommended to be conducted at three months and 6 months post assault. Source: Ministry of Health, Malawi, 2006. Sexual Assault and Rape Guidelines. Module 9 Safety and Supportive Care in the Work Setting 27 9- Malawi PMTCT Participant Manual References Ministry of Health, Malawi. April 2006. Treatment of AIDS: Guidelines for the Use of Antiretroviral Therapy in Malawi. Ministry of Health, Malawi, October 2004. Infection Prevention and Control Policy: Draft for Review. Resources Key Resources: CDC. 1996. Exposure to blood—what health-care workers need to know. CDC: Atlanta. Retrieved 15 February 2006 from http://www.cdc.gov/ncidod/dhqp/pdf/bbp/Exp_to_Blood.pdf. Department of Health &Human Services and CDC. 2005. Updated U.S. Public Health Service Guidelines for Management of Occupational Exposure to HIV and Recommendations for Postexposure Prophylaxis. CDC: Atlanta. MMWR Morb Mortal Wkly Rep 54(No. RR-9): 1–42 Retrieved 15 February 2006, from http://www.ucsf.edu/hivcntr/Clinical_Resources/PEPGuidelines.html WHO. 2001. Best infection control practices for intradermal, subcutaneous, and intramuscular needle injections. WHO: Geneva. Retrieved 15 February 2006 from http://whqlibdoc.who.int/bulletin/2003/Vol81-No7/bulletin_2003_81(7)_491-500.pdf CDC. 2001. U.S. Public Health Service Guidelines for the Management of Occupational Exposures to HBV, HCV and HIV and Recommendations for Postexposure Prophylaxis. CDC: Atlanta. MMWR Morb Mortal Wkly Rep 50(No. RR-11): 1–42 Retrieved 15 February 2006, from http://www.cdc.gov/mmwr/PDF/rr/rr5011.pdf. Israel, E and M Kroeger. 2003. Integrating prevention of mother-to-child transmission into existing maternal, child, and reproductive health programs. Pathfinder International: Watertown, MA,. pp 9–11. Retrieved 15 February 2006, from http://www.pathfind.org/site/DocServer/Technical_Guidance_Series_3_PMTCTweb_01.pdf?docI D=242. Mountain Plains AIDS Education & Training Center in Consultation with the National Clinicians’ Postexposure Prophylaxis (PEP) Hotline. 2002. PEP steps: A quick guide to postexposure prophylaxis in the health care setting. Mountain Plains AIDS Education & Training Center: Denver. Tietjen, L, D Bossemeyer, et al. 2003. Infection Prevention Guidelines for Healthcare Facilities with Limited Resources. [electronic version]. JHPIEGO Baltimore, MD. Retrieved 15 February 2006, from http://www.reproline.jhu.edu/english/4morerh/4ip/IP_manual/ipmanual.htm. UCSF Center for AIDS Prevention Studies. 1997. Fact sheet: What is post-exposure prevention (PEP)? [electronic version] UCSF Center for AIDS Prevention Studies: San Francisco. Retrieved 15 February 2006, from http://www.caps.ucsf.edu/PEP.html. WHO. 2004. Post-exposure prophylaxis. WHO: Geneva. Retrieved 15 February 2006, from http://www.who.int/hiv/topics/prophylaxis/en/index.html. WHO. Draft. Guidelines for the use of HIV post exposure prophylaxis after occupational exposure to blood or body fluids or tissues, WHO. 28 9-