What is the best approach for a glenohumeral hydrodilatation procedure?
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I have been doing glenohumeral hydrodilatation (GH HD) for close to a decade now, and I have revised my technique and approach numerous times. When I perform this procedure now I will start with a suprascapular nerve block (anterior approach), then I will inject a few cc of anesthetic in the posterior GH joint under US guidance, in-plane. After that I will do a "ligament release" of the CHL at its insertion on the coracoid, while having an assistant progressively provide more glenohumeral ER to help loosen the ligament (which I find is often thickened and "contracted" in adhesive capsulitis (AC)). At this point I will then perform the actual GH HD, and this is where my approach can vary; anterior or posterior. Finally I perform aggressive OMT while the anesthetic and nerve blocks are still active, and typically I can break up a good amount of the adhesions while they are still on my table in my office.
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So let's talk about the GH HD approach: I learned this through the posterior approach, and this has worked well for ~90% of the cases I have performed this on. The remaining 10% of cases I have to come back and do an anterior approach on them, and this seems to be the final step. I recently did a case of bilateral AC, and did both sides with the posterior approach. The right side, which was the patient's worse side, did profoundly well. The left side did well, but still had deficits. After a couple of weeks of very active PT and a diligent HEP we came back and did the anterior approach on this shoulder, and that did the job!
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So what factors should we look at on a patient's history, physical exam, and/or imaging that could influence whether the anterior, posterior, or a combination approach, is needed? I get subtle clues from the physical exam, notably in testing where the capsular restriction is when performing PROM and AAROM. I have seen thickened anterior capsules and CHL's on MRI and US that still responded to posterior GH HD, so not sure if imaging is the answer.
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What are your thoughts?!
#adhesivecapsulitis #frozenshoulder #shoulderpain #hydrodilatation #brisement
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Thank you Eric Chan.