Purpose: We provide a systematic review of the current literature regarding best practices in postoperative care following carpometacarpal arthroplasty, and compare these findings to current practices via reported survey data. Methods: The PubMed, Cochrane, Cumulative Index to Nursing and Allied Health Literature, Science Direct, and Google Scholar databases were searched for relevant studies. English-language articles were included that assessed any aspect of postoperative care, including the immobilization time or rehabilitation strategy. In addition, studies were included that surveyed surgeons and hand therapists on current practices regarding this topic. Reporting followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020. Results: The initial search yielded 3,899 hits. Two systematic reviews were found, along with 5 studies that specifically tested the desired variables of the immobilization duration and type following carpometacarpal arthroplasty. Three relevant surveys were also found. Using the Oxford Centre for Evidence-Based Medicine Level of Evidence guidelines, we found moderate-quality evidence that (1) there is no additional benefit for extended cast immobilization (>6 weeks); and (2) a semirigid orthosis performs as well as a rigid orthosis. We found a lack of evidence regarding formal therapy versus no therapy, and a lack of evidence comparing therapy regimens. When analyzing the survey data, we found wide variation in practices among surgeons and therapists. Conclusions: Longer immobilization times (>6 weeks) and rigid orthotic devices provide no additional benefit over earlier immobilization and semirigid orthotic devices. There is a lack of evidence for the use of formal hand therapy or any specific rehabilitation protocol. Current practices in these areas vary widely among hand surgeons. Clinical relevance: Practices following carpometacarpal arthroplasty are widely variable, and guidance has previously been lacking. This review compiles the most recent data, as well as identifies gaps in the literature for future studies.
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