Peggers’ Super Summary of Articular Injections & Aspirations Principles: STERILITY No touch aseptic technique Sterile gloves 70% alcohol wipe FREQUENCY 4 weekly intervals No more than 3 times a year If no benefit review the diagnosis STEROID CHOICE Hydrocortisone acetate 25mg/ml (hydrocortistab) Methylprednisolone acetate 40mg/ml (Depo-Medrone) Triamcinolone hexacetonide 20mg/ml (Aristispan) Triamcinolone acetonide 40mg/ml (Kenalog) NB tennis elbow can painful therefore the use of a stronger steroid to use less volume is advisable NB only Both hydrocortisone and Triamcinolone are licenced to mix with LA CI TO STEROID USE Prosthetic joint Patient awaiting joint replacement < 6 months Infected joint Overriding skin infection Relative CI Diabetes Hypertension Hyperthyroidism Osteoporosis Pregnancy certainly in first 16 weeks! LA Lignocaine 1% Bupivicaine (Marcaine) 0.25% or 0.5% longer lasting POST INJECTION ADVICE Pain may increase between days 1-3 Relative rest over days 1-3 Avoid carrying heavy objects or aggrevating activities for 1-3 days Medical Legal Issues: PAIN POST INJETION & COMPLICATIONS 48HR TO 72 HRS OF PAIN take paracetamol Lipodytrophy and dimpling due to s/c injection of steroid Loss of skin pigmentation Tendon rupture OA (though evidence suggests that 4 annula injections for 2 years did not increase joint space narrowing) INFORMED CONSENT Diagnosis of condition and natural time course Effect of injection with benefits and risks SPECIFIC INDICATION Specific injection for a specific condition FULL RECORDS History, subjective findings, examination findings, diagnosis and past management TECHNIQUE Aseptic washing hands and sterility Shoulder: ACJ Diagnosis Direct pain Scalf test or abduction painful Anatomy Lateral end of clavicle, mark the end of clavicle and start of acromium Osteophyte in OA may obscure joint Approach Anterior or vertically though pushing too far will cause injection into joint capsule Apparatus 2ml syringe and orange needle Max volume 0.5ml triamcinolone no LA Bicipital Tendinopathy Diagnosis Local tenderness Yergasons resisted supination test Anatomy Found between the greater and lesser tubercle of the shoulder Approach Inject at level of groove, if there is resistance this is due to injection into the tendon, pull back to inject into the sheath Apparatus 2ml syringe orange needle 1ml of triamcinolone (Kenalog) + 1ml 1% lignociane Subacromial space Diagnosis Painful arc Hawkin’s Kennedy sign positive Anatomy Space between humeral head and acromium Approach Palpate most lateral part of acromium Mark 1.5cm below and aim horizontally and slightly posteriorly Apparatus 2ml syringe blue or green needle 1ml of kenalog 1ml of lignocaine Glenohumeral Joint Diagnosis Frozen shoulder limited ER None of the following ACJ, rotator cuff tears, impingement, biceps tendinopathy Anatomy Line of injection is between posterior tip of acromion and coracoid process anteriorly Approach 2.5cm inferior to acromion and medial to humeral head posteriorly Apparatus Green needle 2ml syringe 1ml of lignocaine and triamcinolone Hand and Wrist: OA 1st CMCj Diagnosis Aching in region and pain on passiv backward movement of thumb OA changes on x ray Anatomy Joint between metacarpal and trapezium Approach Directly for joint draw it on Between the extensor tendon of the thumb Apparatus 2ml syringe and orange needle 0.5ml of triamcinolone not space for lignocaine Carpal tunnel: Diagnosis Wasting of thenar muscles tingling Phalens or tinel’s test positive Anatomy Median nerve lies radial side of Palmaris longus Page 1 of 2 Peggers’ Super Summary of Articular Injections & Aspirations Approach Apparatus o Superficial anaesthetic aim at distal wrist crease aiming distally Enter ulnar side of PL and once feeling pop in the carpal tunnel 2ml syringe and blue needle 1ml of triamcinolone De Quervain’s: Diagnosis Tendon pain Exacerbated by Finklesteins test Anatomy Tendinopathy of abductor pollicis longus and extensor pollicis brevis Approach Insert needle pointing proximally DISTAL to site of maximum pain along line of tendon/sheath Apparatus 2ml syringe and orange needle 1ml of each lignocaine and methyprednisolone Trigger finger: Diagnosis Tender nodule in the palm Which locks having to painfully extend the finger with help Anatomy A1 pulley is where the nodule gets stuck Approach The A1 pulley is the same distance of the P1 skin creases into the palm from the volar MCPJ skin crease Apparatus 2ml syringe and orange needle 1ml of lignocaine and methyprednisolone into this region OA or RA relief Aim for the space underneath the patella bone Knee flexed with a pillow underneath Lateral approach under the superior pole of the patella Tilting the opposite pole with increase the gap Aim the needle horizontally Aseptic apparatus 20ml syringe and white need if aspirating or grey venflom Local anaesthetic can be infiltrated initially If injecting can use either o 2ml of triamcinolone o Viscosupplementation i.e. hyaluronic acid preparation 3 courses 1 week apart Aspiration of Joints NB Always use green/white needle or grey venflom Wrist Anatomy Listers tubercle is the boundary between the extensor compartments 2/3 of the wrist Approach Distal to Lister’s tubercle Ankle Anatomy The n/v structures lie between Tibialis anterior and EHL at the ankle joint. Approach Medial to Tibialis anterior tendon in sulcus of ankle joint Elbow Anatomy The safe zone over the radial head changes depending on the rotation of the forearm The radial nerve crosses the radius 3.8cm distal to the joint margin in pronation (2.2cm in supination) Approach In full pronation with hand flat on the table the ‘safe zone’ is 90 0 vertically with a 450 angled zone either side The Elbow: Tennis elbow/lateral Diagnosis Lateral elbow pain in racket sports or house activities Painful resisted wrist extension Anatomy Common extensor origin for brachioradialis, extensor carpi radialis, extensor carpi ulnaris, digitorum muscles Approach Fan technique into all the tender areas of the lateral elbow Apparatus 2ml syringe blue needle 1ml of methyprednisolone NB anaesthetic may mask all the tender areas Golfers Elbow/medial Diagnosis Medial elbow pain Resisted flexion of the wrist exacerbates pain Anatomy Close proximity to the ulnar nerve (ask patient to tell you if any little finger tingling Approach Place patients hand behind their back and pinpoint tender region and use a fanning technique Apparatus As above Knee Joint: Diagnosis Diagnosis or therapeutic reasons Diagnosis o Traumatic effusion to relieve swelling and pain o Gout or pseudogout o Septic arthritis Therapeutic Anatomy Approach Apparatus Shoulder Anatomy The shoulder joint can be approached either anteriorly or posteriorly Inferiorly and posteriorly is the quadrangle space where the axillary nerve and circumflex humeral artery exits Approach 2.5cm down from the acromion and 2.5 medial to the humerus posteriorly Page 2 of 2