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Can Adhesive Capsulitis of the shoulder be a consequence of COVID-19? Case series of 12 patients

PainSci » bibliography » Ascani et al 2021
Tags: etiology, pro

One article on PainSci cites Ascani 2021: Complete Guide to Frozen Shoulder

PainSci commentary on Ascani 2021: ?This page is one of thousands in the bibliography. It is not a general article: it is focused on a single scientific paper, and it may provide only just enough context for the summary to make sense. Links to other papers and more general information are provided wherever possible.

The authors of this paper acknowledge that their study and data cannot prove a link between COVID and frozen shoulder, but their results were nevertheless very-where-there’s-smoke-there’s-fire. They studied a dozen cases of frozen shoulder that closely followed a COVID infection (out of 120 cases of adhesive capsulitis that came to their clinic). I’m no statistician, but that seems high.

They also describe some strong specific reasons to suspect a pathological connection.

~ Paul Ingraham

original abstract Abstracts here may not perfectly match originals, for a variety of technical and practical reasons. Some abstacts are truncated for my purposes here, if they are particularly long-winded and unhelpful. I occasionally add clarifying notes. And I make some minor corrections.

We present our series of twelve patients with Adhesive Capsulitis (AC) of the shoulder that developed shortly after COVID-19. We hypothesize that AC may be related to the infectious disease and that both direct and indirect effects of SARS-CoV-2 infection may be involved in its development, as may the sedentary lifestyle forced upon these patients by this disease. Future research will be needed to evaluate the short- and long-term natural history and treatment of these patients as well as to compare them with patients with AC did not occur in concomitance with COVID-19.

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