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Early Reoperation following Thumb Basal Joint Arthroplasty is Low
Yousef Soliman, BS
1, Sina Ramtin, MD
1, Kimberly Dong, BS
1, Zachary Demetriou, BS
1; Asif M. Ilyas, MD, MBA
1,2(1)Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, PA, (2)Drexel University College of Medicine, Philadelphia, PA
Introduction: The thumb carpometacarpal (CMC) joint is the most common site for osteoarthritis. It is often treated with basal joint arthroplasty (BJA), a procedure known for high patient satisfaction. Despite this, early reoperations following BJA still occur and remain poorly understood. To address this gap, TriNetX was used to gain better insights into the frequency and underlying circumstances around early reoperations. The study hypothesis was that the rate of reoperation following BJA surgery is low.
Materials and Methods: This is a retrospective cohort study analyzing patient data from 2017-2023 on TriNetX Research Network. Query initially included patients with unilateral thumb CMC arthritis who underwent index BJA (25447) and further refined to include early reoperation. This was defined as any patient who had at least one relevant reoperation procedure code within 2 years of index. Demographics and clinical characteristics were compared; statistical analysis with Z-Test was performed to assess significant differences over the study period.
Results: A query for patients with an index procedure during the study period returned 9,853 patients. There was a total of 757 patients having at least one documented follow up procedure, yielding a reoperation rate of 7.68%. The number of index BJA's has significantly increased while the reoperation rate decreases (P<0.05). The reoperation group is older and has a higher rate of obesity (P<0.05).
Conclusions: The study hypothesis was upheld. An overall early (within 2 years) reoperation following BJA of nearly 8% was identified and is decreasing over time. Patient characteristics might influence preoperative assessments and risk stratification. Although further research is warranted to explore the factors associated with type of revision procedure, these preliminary insights can better inform surgeons and patients.
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