Trapeziometacarpal (TMC) arthroplasty under Wide Awake Local Anesthesia with No Tourniquet (WALANT) versus Local Anesthesia with peripheral nerve blocks (LAPNV): Perioperative pain and early functional results in 30 patients.

We hypothesized that WALANT would provide similar perioperative analgesic comfort compared to local anesthesia with peripheral nerve blocks (LAPNV). We analyzed whether the patient's active participation during surgery would improve its early functional results. We did a retrospective, single study in an outpatient surgery unit, comparing two types of surgery: trapeziometacarpal arthroplasty (TMCA) under LAPNV and TMCA under WALANT. Fifteen patients were included per group. Pain levels were determined during anesthesia induction, intraoperatively, postoperatively, at rest and during activity at the last follow-up visit. The overall satisfaction with the surgery and time to resume daily activities and work were documented. The statistical analysis was performed on SAS software with an ANOVA. The significance threshold was set at 0.05. The groups were comparable on age, sex, dominant side, and operated side. No patients were lost to follow-up. The mean follow-up was 4 months (2.3-11). The QuickDASH score was 4.93 for TMCA under WALANT vs. 13.47 for TMCA under LAPNV (p = 0.01). There was no loosening, dislocation, or major complication. Our study showed that TMCA performed with WALANT yields similar results to the same procedure with LAPNV for perioperative pain relief without additional complications. Functional scores seem to be slightly improved with WALANT compared to LAPNV, but these results should be confirmed with longer follow up.

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