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multimorbidity

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“Treating an Illness Is One Thing. What About a Patient
With Many?”
MULTIPLE CHRONIC CONDITIONS:
INCLUDING PEOPLE
WITH REPRESENTATIVE
COMORBIDITIES:
CREDITS
Cynthia M. Boyd, MD MPH
Dr. Boyd is a co-author of a chapter on multimorbidity for
UptoDate, for which she receives a royalty.
She has received funding from the National Institutes of
Health, Agency for Healthcare Research and Quality, the
National Quality Forum and the Patient-Centered Outcomes
Research Institute (PCORI) for work related to trials,
systematic reviews, guidelines and people living with
multiple chronic conditions.
“Treating an Illness Is One Thing. What About a
Patient With Many?”
Image: Brendan Smialowski for the New York Times, March 31, 2009
It’s Not Easy Living with Multiple Chronic Conditions
Time
Medications
Non-pharmacologic
Therapy
All Day
Periodic
7 AM
Ipratropium MDI
Alendronate 70mg weekly
Check feet
Sit upright 30 min.
Check blood sugar
Joint protection
Pneumonia vaccine, Yearly
influenza vaccine
8 AM
12 PM
Eat Breakfast
HCTZ 12.5 mg Lisinopril 40mg
Glyburide 10 mg ECASA 81 mg
Metformin 850mg
Naproxen 250mg
Omeprazole 20mg
Calcium + Vit D 500mg
2.4gm Na, 90mm K,
Adequate Mg, ↓ cholesterol
& saturated fat, medical
nutrition therapy for
diabetes, DASH
Eat Lunch
Ipratropium MDI
Diet as above
Energy conservation
Exercise (non-weight
bearing if severe foot
disease, weight
bearing for
osteoporosis) Muscle
strengthening
exercises, Aerobic
Exercise ROM
exercises
Calcium+ Vit D 500 mg
Avoid environmental
exposures that might
exacerbate COPD
5 PM
Eat Dinner
Wear appropriate
footwear
7 PM
Ipratropium MDI
Metformin 850mg
Naproxen 250mg
Calcium 500mg
Lovastatin 40mg
11 PM
Diet as above
Albuterol MDI prn
Limit Alcohol
Maintain normal
body weight
Ipratropium MDI
Boyd et al. JAMA 2005;294:716-724
All provider visits:Evaluate Selfmonitoring blood glucose, foot
exam and BP
Quarterly HbA1c, biannual
LFTs
Yearly creatinine, electrolytes,
microalbuminuria, cholesterol
Referrals: Pulmonary
rehabilitation
Physical Therapy
DEXA scan every 2 years
Yearly eye exam
Medical nutrition therapy
Patient Education: High-risk foot
conditions, foot care, foot wear
Osteoarthritis
COPD medication and delivery
system training
Diabetes Mellitus
How Applicable are Clinical Practice Guidelines (CPGs)
for People with MCCs?
• Reviewed 9 CPGs for chronic conditions
• Most single disease CPGs fail to give adequate guidance for
older patients with MCCs
5
Boyd et al. JAMA 2005;294:716-724
Multiple Chronic Conditions is Common
Percentage of Major Chronic Disease in Isolation Among
Women Aged 65 or Older: NHANES, 1999-2004
% with only
1 disease of
5 possible
diseases
Arthritis
Coronary
Heart
Disease
47%
17%
Chronic
Diabetes
Lower
Respiratory
Tract Disease
19%
17%
Stroke
15%
Weiss CO et al. JAMA 2007;298:1160-1162
Prevalence of Comorbidities in Adults with Coronary
Heart Disease Aged ≥ 45 in NHANES, 1999-2004
60.0
50.0
40.0
30.0
%
20.0
10.0
0.0
Diseases
Boyd et al JAGS 2011 May;59(5):797-805
Clinical Factors
Health Status Factors
What Do Clinicians Need to Best Care for
the People with MCCs?
• Maximize use of therapies likely to benefit
• Minimize use of therapies unlikely to benefit or
likely to harm
• An understanding of what outcomes matter
most
• Incorporate patient preferences and values
regarding burdens, risks, and benefits
INDIVIDUALIZED
DECISIONS
Don’t Screen/treat
Do Screen/treat
Likelihood
of Benefit
Likelihood
of Harm
Patient Preferences
(moveable fulcrum)
Slide Courtesy of Louise Walter, UCSF
How can we better address people with MCCs
across translational path?
Study
Design and
Analysis
Systematic
Review
and MetaAnalysis
Clinical
Practice
Guideline
Development
Clinical
DecisionMaking
Integrated
Care
Performance
Measurement
AHRQ R21, EPC Methods, NIH CTSA, NQF via HHS, NIA
JGIM Supplement, 2014. Boyd and Kent, Uhlig et al, Trikalinos et al, and Weiss et al.
WHAT COMORBIDITIES
MATTER?
• Prevalence
• Important interactions
–condition-condition
–condition-treatment
–treatment-treatment
Uhlig et al JGIM April 2014
Choosing Topics: Focus
Comorbid
Condition
Morbidity/Risk
Index
Condition
Comorbid
Condition
Comorbid
Condition
Index
Condition/Risk
Condition
MCCs
Condition
Condition
Uhlig et al JGIM April 2014
• Evaluating interventions requires meaningful
outcomes
• No standard quality metrics or outcomes to
guide care for the MCC population
• Minimal evidence associating recommended
MCC care processes with outcomes
• New interest in outcomes that reflect patientcentered constructs
Slide courtesy of Elizabeth Bayliss
OUTCOMES
• Deciding what outcomes matter to people
– More likely to be less disease-specific
• Surrogates may have a different relationship
to patient-important outcomes in people with
MCCs
• Risks of outcomes may be different in people
with MCCs
• A hard look at exclusion criteria may point to
what outcomes should be measured
MEASURING OUTCOMES IN
PEOPLE WITH
MCCS
• Deciding what outcomes matter to people
– More likely to be less disease-specific
• Surrogates may have a different relationship
to patient-important outcomes in people with
MCCs
• Risks of outcomes may be different in people
MEASURING
OUTCOMES IN
with
MCCs
WITHcriteria may point to
• A hard lookPEOPLE
at exclusion
MCCS
what outcomes
should be measured
In addition….
Outcomes
relevant to
MCCs should
be:
• Relevant to patients
• Relevant to health care
systems
• Relevant to clinicians
• Easy to collect, store,
and extract
• “Validated”
– Associated with other
meaningful constructs
– Sensitive to change over
time
• Likely to be a function
of the intervention
Two commonly used outcomes for
studies of multimorbidity
• Disease-specific outcomes
• Utilization
– Hospital
– Emergency services
– Primary care
– Specialty care
•
•
•
•
•
EXAMPLE OUTCOME DOMAINS
IMPORTANT
TO COMPLEX PATIENTS
Pain
Function
Energy
Mortality
Treatment burden
– Medication side effects
– Lifestyle modification
• Others….
C. Boyd. PCORI ME-13-0-07619
• Deciding what outcomes matter to people
– More likely to be less disease-specific
• Surrogates may have a different relationship
to patient-important outcomes in people with
MCCs
• Risks of outcomes may be different in people
MEASURING
OUTCOMES IN
with
MCCs
WITHcriteria may point to
• A hard lookPEOPLE
at exclusion
MCCS
what outcomes
should be measured
Addressing Comorbidities in PICO Questions
Population: Define conditions of interest Intervention
and Comparators: effect modification Outcomes:
choice & ranking of relevant outcomes
harms, burdens, benefits
non-disease specific and disease specific
linkage between surrogate and clinical outcomes
“Effect of treatment on the final outcome may be small even if there
are strong associations between treatment and the surrogate and
between the surrogate and the patient-important outcome”
Walter SD et al 2012 Sep;65(9):940-5
Timeframe for considering outcomes:
risk prediction
tradeoffs
Trikalinos et al JGIM April 2014,
Uhlig et al JGIM April 2014
• Deciding what outcomes matter to people
– More likely to be less disease-specific
• Surrogates may have a different relationship
to patient-important outcomes in people with
MCCs
• Risks of outcomes may be different in people
MEASURING
OUTCOMES IN
with
MCCs
WITHcriteria may point to
• A hard lookPEOPLE
at exclusion
MCCS
what outcomes
should be measured
Sample 1: centered, but fails to reflect the diversity of the population
Sample 2: individuals who much more net benefit from the treatment than
does average member of population
Sample 3: broadly representative of the population in terms of risk,
responsiveness, and vulnerability
• Deciding what outcomes matter to people
– More likely to be less disease-specific
• Surrogates may have a different relationship
to patient-important outcomes in people with
MCCs
• Risks of outcomes may be different in people
MEASURING
OUTCOMES IN
with
MCCs
WITHcriteria may point to
• A hard lookPEOPLE
at exclusion
MCCS
what outcomes
should be measured
How can inclusion/exclusion criteria
help us understand what outcomes
matter to people with MCCs?
• survey of trials reporting on drug and non-drug interventions
in patients with four common chronic diseases
– COPD, heart failure, stroke and type II diabetes mellitus.
• Not a systematic review
• based the selection of randomized controlled trials (RCTs) on
11 Cochrane Reviews that systematically identified and
summarized RCTs
– effectiveness of diuretics, metformin, anticoagulants, longacting beta agonists alone or in combination with inhaled
corticosteroids, lipid lowering agents, and the non-drug
interventions exercise and diet for each of the four
diseases
Boyd, Vollenweider, Puhan
PLOS One 2012
% of trials excluding patients with
specif ic comorbidities

Renal Insufficiency Liver
Insufficiency Insulin Therapy Coronary
ArteryDisease

Type I Diabetes Serious
concom itantdiseases(unspecified)

Age >65

Age <40
Diabeticnephro-,retino-orneuropathy

Hypertension Cardiac
disease (unspecified)

Cancer(unspecified) Oral
steroid use

Unable to exercise (unspecified)

HeartFailure

Anem ia
Musculoskeletal diseasesordisabilities

Psychiatricillness Peripheral
vasculardisease

Neurologicdisabilities
COPD or Em physem a
DIABETES TRIALS
Im paired
m ental status
0
10
20
30
40
50
Boyd, Vollenweider, Puhan
PLOS One 2012
% of trials excluding patients with
COPD trials
specific comorbidities
Oxygen therapy
Musculoskeletal diseases or disabilities
Serious concomitant diseases (unspecified)
Age <40
Age >65
Lung disease other than COPD
Coronary Artery Disease
Oral steroid use
Unable to exercise (unspecified)
Cardiac disease (unspecified)
Heart Failure
Cancer (unspecified)
Peripheral vascular disease
Psychiatric illness
Impaired mental status
Neurologic disabilities
Hypertension
Type II Diabetes Mellitus
Renal Insufficiency
NYHA IV
0
10
20
30
40
50
Boyd, Vollenweider, Puhan
PLOS One 2012
It’s Not Easy Living with Multiple Chronic Conditions
Time
Medications
Non-pharmacologic
Therapy
All Day
Periodic
7 AM
Ipratropium MDI
Alendronate 70mg weekly
Check feet
Sit upright 30 min.
Check blood sugar
Joint protection
Pneumonia vaccine, Yearly
influenza vaccine
8 AM
12 PM
Eat Breakfast
HCTZ 12.5 mg Lisinopril 40mg
Glyburide 10 mg ECASA 81 mg
Metformin 850mg
Naproxen 250mg
Omeprazole 20mg
Calcium + Vit D 500mg
2.4gm Na, 90mm K,
Adequate Mg, ↓ cholesterol
& saturated fat, medical
nutrition therapy for
diabetes, DASH
Eat Lunch
Ipratropium MDI
Diet as above
Energy conservation
Exercise (non-weight
bearing if severe foot
disease, weight
bearing for
osteoporosis) Muscle
strengthening
exercises, Aerobic
Exercise ROM
exercises
Calcium+ Vit D 500 mg
Avoid environmental
exposures that might
exacerbate COPD
5 PM
Eat Dinner
Wear appropriate
footwear
7 PM
Ipratropium MDI
Metformin 850mg
Naproxen 250mg
Calcium 500mg
Lovastatin 40mg
11 PM
Diet as above
Albuterol MDI prn
Limit Alcohol
Maintain normal
body weight
Ipratropium MDI
Boyd et al. JAMA 2005;294:716-724
All provider visits:Evaluate Selfmonitoring blood glucose, foot
exam and BP
Quarterly HbA1c, biannual
LFTs
Yearly creatinine, electrolytes,
microalbuminuria, cholesterol
Referrals: Pulmonary
rehabilitation
Physical Therapy
DEXA scan every 2 years
Yearly eye exam
Medical nutrition therapy
Patient Education: High-risk foot
conditions, foot care, foot wear
Osteoarthritis
COPD medication and delivery
system training
Diabetes Mellitus
5 Step Framework for Multimorbidity
 Consider Patient Preferences. Determine
what outcomes are most important to the patient
and his or her caregivers. Is the patient most
interested in longevity? Quality of life? Limiting
treatment side effects? Maximizing function?
Clinicians need to recognize which decisions are
“preference sensitive”, in other words decisions
that involve a tradeoff between benefits and
harms, and therefore the patient’s preference
should be a key factor in the decision. Making
sure that patients and their families understand
anticipated benefits and harms of different
treatment options is a key part of eliciting patient
preferences.
5 Step Framework for Multimorbidity
 Review Relevant Evidence. The clinician needs to understand
the evidence for a treatment, including whether that evidence
applies to the patient in question. Key questions to consider
include:
o Did the trials of the treatment include older patients? Patients
with this patient’s comorbidities?
o What does the evidence say about side effects and potential
harms?
o How long were the trials? What is the time horizon to benefit?
5 Step Framework for Multimorbidity

Estimate Prognosis. Many validated tools exist for estimating life expectancy
and mortality. Students will have an opportunity to practice with these tools
during the session. Spend some time going over the figure in the Water and
Covinsky article,2 helping students understand what sorts of factors determine
whether a patient is in the upper or lower quartile of life expectancy for his or her
age. For example the presence and severity of comorbidities such as diabetes
with complications, chronic kidney disease, congestive heart failure, COPD,
cancer, and dementia will influence life expectancy. Also, functional limitations
such as dependencies in ADLs and IADLs or reduced exercise tolerance
influence our estimates of life expectancy. Patients who have severe
comorbidities and functional impairments are likely in the lowest quartile of life
expectancy, while patients who have few life-limiting comorbidities or functional
impairments are likely in the upper quartile of life expectancy. You should help
students understand the limitations of tools for estimating prognosis. Faculty
who want more information on the tools found on the eprognosis website
(http://eprognosis.ucsf.edu/) ,3 may wish to consult Yourman et al.’s systematic
review on prognostic tools.4
5 Step Framework for Multimorbidity
Consider clinical feasibility. Engage the patient and his or
her caregivers in a discussion regarding their ability to
implement the treatment plan. More complex regimens are
high risk for nonadherence, treatment interactions, impaired
quality of life, caregiver strain, and financial costs. Consider
whether the patient has cognitive deficits or functional
limitations that make some treatments impractical without
strong family or home-based support
5 Step Framework for Multimorbidity
 Develop a plan of care that optimizes benefits and minimizes harm for the
patient. This step brings it all together. All of the steps above will help a
clinician devise a plan, together with the patient and his or her caregivers, that
will honor preferences, maximize benefit, minimize harm, and enhance quality of
life. The physician should engage the patient and his or her caregivers in shared
decision making, laying out the evidence and alternatives and making a decision
together about which course to pursue.
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