AimsThe aim of this study is to evaluate the change in incidence rate of shoulder arthroplasty, indications, and surgeon volume trends associated with these procedures between January 2003 and April 2021 in the province of Nova Scotia, Canada.MethodsA total of 1,545 patients between 2005 and 2021 were analyzed. Patients operated on between 2003 and 2004 were excluded due to a lack of electronic records. Overall, 84.1% of the surgeries (n = 1,299) were performed by two fellowship-trained upper limb surgeons, with the remainder performed by one of the 14 orthopaedic surgeons working in the province.ResultsTotal shoulder arthroplasty (TSA) was the most frequent procedure (32.17%; n = 497), followed by stemmed hemiarthroplasty (SHA) (27.7%; n = 428). The most frequent indication for primary shoulder arthroplasty was degenerative osteoarthritis (58.1%; n = 882), followed by acute proximal humerus fracture in 15.11% (n = 245), and rotator cuff arthropathy in 14.18% (n = 220). The overall rate of revision was 7.7% (2.8% to 11.2%). The number of TSAs and reverse shoulder arthroplasties (RSAs) has been increasing since 2016. The amount of revision cases is proportional to the number of operations performed in the same year throughout the study period.ConclusionThe incidence of shoulder arthroplasty in the Maritime Provinces has increased over the last 16 years. Revision rates are similar the those found in other large database registries. Reverse shoulder arthroplasty prevalence has increased since 2016.Cite this article: Bone Jt Open 2023;4(8):567–572.

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Objective: To complete a comprehensive literature review to determine the quantity and quality of literature supporting the incidence of IPJA after AA and TAR. Methods: A comprehensive review was performed to determine the quantity and quality of literature supporting the incidence of IPJA after AA and TAR. After applying inclusion and exclusion criteria, 23 TAR and 19 AA studies were included. Results: Only one high-quality level I was found, reporting 1.2% of IPJA after TAR. Majority of the studies were level IV and reported an incidence of subtalar arthritis of 0%-40%, talonavicular 2.8%-34%, and calcaneocuboid 2.8%-3.2% after TAR and an incidence of subtalar arthritis of 7.7%-100%, talonavicular 8.69%-11.6%, and calcaneocuboid of 22% after AA. Conclusion: There is currently poor quality evidence supporting a higher rate of IPJA after AA compared to TAR. Also there is poorquality evidence that supports IPJA as a complication of TAR; however, this is the current evidence on this topic. Better-quality longterm studies are required to make definitive and accurate conclusions on the incidence of IPJA.Level of Evidence III; Therapeutic Studies; Systematic Review.

Ankle instability is a disabling condition that severely affects people's quality of life. Nonoperative options have been suggested however a surgical procedure is often required to improve symptomatology and function of the ankle joint. In the current paper we describe a surgical technique of an open ankle reconstruction of the lateral ligaments (O-Anti-RoLL), which is a simple and safe surgical technique that utilizes an anatomic Y-graft.Level of Evidence: Diagnostic Level V. Expert opinion. See Instructions for Authors for a complete description of levels of evidence.

Pseudoaneurysm should be acknowledged as a possible but infrequent postoperative complication after shoulder arthroplasty which could be easily misdiagnosed. It is important that the upper-extremity surgeon suspects this problem in the follow-up assessment for appropriate management. In this paper, we present an unusual case of brachial artery pseudoaneurysm in the early postoperative period after reverse shoulder arthroplasty.