SLIDE 1 Safe and Easy Joint Injections
Mary Derlacki, FNP
132 E. Broadway #830 Eugene, OR 97401
541.687.0816 mderlacki@comcast.net
SLIDE 2
History of Joint Injections
1930's saw formalin, glycerin, lactic acid and petroleum jelly injected with little effect. 1960's introduced Hydrocortisone acetate and tertiary-butyl acetate hydrocortisone which were superior in benefit.
SLIDE 3
Indications
To reduce swelling and aid in recovery of soft tissue structures such as bursitis Decrease pain of weight bearing joints to preserve function and muscle mass in OA To induce long periods of near remission in joints with inflammatory arthritis
SLIDE 4
Contraindications
Do not inject steroids into a monoarthritis ALWAYS THINK INFECTION! For patients on anticoagulation therapy, Low risk if INR is below 3.7 Nothing larger than a 22g needle
SLIDE 5
Frequency
Knee joint once every 3 months Always pair with strengthening exercises Straight Leg Raises Shoulder bursa; 2 injections 3 months apart Inject first then PT or PT then inject
SLIDE 6 Safety of Steroid Injections
1950's and 1960's: multiple injections with higher concentrations of steroids had a catabolic effect on cartilage in rabbit knees 1990's: Chondroprotective effect by reducing cartilage damage and
SLIDE 7
Adverse Effects
FAT....atrophy FLUSH.....facial flushing, red and hot FLARE.....post injection flare Systemic effect on bone and blood sugar minimal and safer than oral Rate of infection 2/100,000 or less
SLIDE 8
Choice of Medication
Lidocaine total volume equals 10% 5 cc of 2% or 10 cc of 1% Marcaine 0.25% add 1 cc to knee only Less soft tissue atrophy and chance of tendon rupture when steroid is mixed with local anesthetic
SLIDE 9
Choice of Medication
Methylprednisolone (Depo-Medrol) 80mg/ml
Very slow onset, less FLARE, slightly soluable Dexamethasone sodium phosphate 4mg/ml
Rapid onset, protects against FLARE, very soluable Lidocaine 1%, 2% and Marcaine 0.25%
SLIDE 10
Supplies
SLIDE 11
Supplies
Pes Anserine Bursa aka The Other Knee 3 cc syringe with 25g 1 1/4” needle 40mg Methylprednisolone ½ cc 1mg Dexamethasone ¼ cc 2 ½ cc Lidocaine 2% TOTAL=3cc
SLIDE 12
Supplies
Shoulder Bursa 5 cc syringe with a 25g 1 1/4” needle 40mg Methylprednisolone ½ cc 1mg Dexamethasone ¼ cc 4 ¼ cc Lidocaine 1% TOTAL=5cc Sterile Prep with Betadine swab x 3 Ethyl Chloride Spray for 10 seconds
SLIDE 13 Drawing up the Medications
- 1. Dexamethasone
- 2. Methylprednisolone
- 3. Marcaine (for the knee only)
- 4. Lidocaine
SLIDE 14 Positioning of the Patient
Knee Joint: Sitting on table. Palpate inferior lateral edge of the patella and superior edge
- f tibia. Stay lateral to the patellar tendon.
Find the dimple. Enter lateral side. Target is superior, medial patella edge at a 45 degree angle. Anserine: Sitting on table. Palpate anserine bursa on the medial side just inferior to the tibial tubercles . Below Knee Joint line. Enter medial side.
SLIDE 15
SLIDE 16 Shoulder: Sitting on table, angle 45* away from you. Enter posteriorly at dimple below the acromium angle. Direct needle towards the sternoclavicular joint.
https://www.youtube.com/watch?v=YXtQQAd4n1E RheumTutor.com 0:32-1:22 https://www.youtube.com/watch?v=4kvH7aG4WWE Shoulder Subacromial Injections by Dr. Ernest Roman - Empire Medical Training
SLIDE 17
Post Injection Flare
2-5% of joint injections, less with bursa Symptoms begin 2-4 hours after injection Painful with use, warm, swollen Often mistaken for infection RX is ice, rest, pain relievers Resolves in 24 hours To prevent next time: Use more Dexamethasone
SLIDE 18
Infection
Usually develops after 24-48 hours Painful with use and at rest Swollen, red, hot Often accompanied by fever, drenching sweats and/or shaking chills (rigor) Medical Emergency! Contact Ortho and send to the hospital. Potential loss of joint is high.
SLIDE 19
Aftercare Instructions
Rest injected area for 24-48 hours Apply ice for 10-15 min, 2-3 times a day Acetaminophen 1000mg after injection Do not submerge in water for 24 hours Begin strengthening exercises on day 3
SLIDE 20 Good Luck!
Mary Derlacki, FNP
132 E. Broadway #830 Eugene, OR 97401 541.687.0816 mderlacki@comcast.net