3.8 Article

Does Proximal Row Carpectomy Improve Union in Wrist Arthrodesis? A Retrospective Cohort Study

Journal

JOURNAL OF WRIST SURGERY
Volume 11, Issue 4, Pages 344-352

Publisher

THIEME MEDICAL PUBL INC
DOI: 10.1055/s-0041-1740400

Keywords

wrist arthrodesis; proximal row carpectomy; dorsal plate

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The study found that concomitant PRC might not improve union rates or reduce complications in patients undergoing TWA.
Background Some surgeons advocate for concomitant proximal row carpectomy (PRC) with total wrist arthrodesis (TWA), though there are limited data to support or oppose this view. Questions/Purposes Does concomitant PRC improve rates of union, revision, hardware loosening, hardware failure, and hardware removal in TWA? Patients and Methods A retrospective cohort study of patients who underwent TWA with and without concomitant PRC between January 2008 and December 2018 was undertaken. Patients were included if they underwent TWA using a dorsal spanning plate. Patients were excluded if they underwent partial wrist arthrodesis, revision TWA, or TWA with nondorsal spanning plate fixation. Results A total of 183 wrists in 180 patients were included in the study, 96 (52.5%) in the TWA only and 87 (47.5%) in the TWA PRC groups. Median clinical and radio-graphic follow-up was 18.0 months (3.0-133.0 months) in the TWA PRC group and 18.5 months (2.0-126.0 months) in the TWA only group (p = 0.907). No difference in nonunion (TWA + PRC: 13/87 [14.9%], TWA only: 18/96 [18.8%], odds ratio: 0.76, p =0.494), revision (TWA-- PRC: 5/87 [5.75%], TWA only: 8/96 [8.33%], hazard ratio [HR]: 0.73, p = 0.586), loosening (TWA+PRC: 4/87 [4.60%], TWA only: 6/96 [6.25%], HR: 0.74, p = 0.646), failure (TWA+ PRC: 5/87 [5.75%], TWA only: 4/96 [4.17%], HR: 1.55, p = 0.530), and removal (TWA + PRC: 12/87 [13.8%], TWA only: 16/96 [16.7%], HR: 0.84, p = 0.634) were identified. Conclusion Concomitant PRC might not improve rates of union or diminish complications in patient undergoing TWA. The role of PRC and the rationale for its use in TWA need to be individualized and discussed with patients prior to surgery.

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