Evolution of Post-Stroke Shoulder Pain With a Capsular Pattern With Physiotherapy Alone Versus Coupled With Mild Arthrographic Distension With Cortisone

Inclusion Criteria: * All participants must be enrolled in an inpatient rehabilitation program for post-stroke patients at the Institut de réadaptation Gingras-Lindsay-de-Montréal, which is encompassed by the Centre intégré universitaire de santé et de services sociaux du Centre-Sud-de-l'Île-de-Montréal. Participants must be 18 years old or older and apt to give consent and able to reliably express themselves (either verbally, written or other) to participate in the study. Aptitude and ability to express themselves will be clinically assessed by their attending physician. Participants with a score of 3 or less out of 5 on the memory section of the Montreal Cognitive Assessment will receive special attention to ensure that the information obtained is accurate through communication with their treatment team, their medical file or their family and caregivers. The shoulder pain must be significant, as defined by a pain that is bothersome to the patient (limits sleep, limits time spent in wheelchair, limits ADL functioning, discomfort impacting their rehabilitation, or associated with Complex Regional Pain Syndrome), as well as a score of 3/10 on the visual analog scale during rest, at night or during ADLs, despite adequate positioning of the arm. The pain must be present for at least 2 weeks and unresolved by physiotherapy alone. Their current symptoms of shoulder pain must have started after their most recent episode of stroke. There must also be a capsular pattern of reduced …