AI Article Synopsis

  • This study compared total wrist arthroplasty (TWA) and total wrist fusion (TWF) in terms of functional outcomes for patients with end-stage wrist arthritis over a period of up to 2 years post-surgery.
  • Researchers analyzed various measurements, including pain levels and grip strength, through questionnaires completed by 51 patients who were treated between 2015 and 2020.
  • The results showed no significant differences in functional outcomes or pain levels between the TWA and TWF groups, suggesting neither procedure offered clear advantages in the short term for these patients.

Article Abstract

Background: The functional benefits of total wrist arthroplasty (TWA) over total wrist fusion (TWF) are unknown. The purpose of this prospective cohort study was to compare TWA and TWF with respect to functional outcomes and activity limitations at up to 2 years postoperatively.

Methods: Between 2015 and 2020, we enrolled all adult patients undergoing TWA or TWF for the management of symptomatic end-stage wrist arthritis at 1 hand surgery department. The primary outcome was the Patient-Rated Wrist Evaluation (PRWE). The secondary outcomes were the visual analog scale (VAS) for pain at rest, on motion, and on loading; grip strength; Disabilities of the Arm, Shoulder and Hand (DASH); and range of motion. Patients completed questionnaires and were examined by the same physiotherapist at baseline and at 3, 6, 12, and 24 months postoperatively. Mixed-model analyses adjusting for age, diagnosis, the preoperative value of the dependent variable, and time since surgery were performed to compare differences in PRWE scores, VAS pain scores, and grip strength between TWA and TWF.

Results: Of the 51 patients who had been included at baseline, 47 (18 in the TWA group and 29 in the TWF group) responded to questionnaires and underwent examinations at up to 2 years postoperatively. At baseline, the 2 groups did not differ in terms of age, sex, diagnosis (inflammatory or noninflammatory arthritis), PRWE score, VAS pain score, grip strength, DASH score, or range of motion. No differences between the groups were found for the PRWE (β, -0.1; 95% confidence interval [CI], -14 to 13; p = 0.99), VAS pain at rest (β, -3.3; 95% CI, -15 to 9; p = 0.58), VAS pain on loading (β, -5.3; 95% CI, -22 to 11; p = 0.52), or grip strength (β, -0.02; 95% CI, -0.18 to 0.14; p = 0.80) on the adjusted mixed-model analyses.

Conclusions: Among patients with symptomatic end-stage wrist arthritis, those who underwent TWA did not demonstrate short-term outcomes, including patient-reported disability, pain, and grip strength, superior to those of patients who underwent TWF. These findings call into question the widespread use of TWA.

Level Of Evidence: Therapeutic Level II. See Instructions for Authors for a complete description of levels of evidence.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10773805PMC
http://dx.doi.org/10.2106/JBJS.OA.23.00081DOI Listing

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