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Plastic & Reconstructive Surgery:
doi: 10.1097/PRS.0b013e318290faba
Hand/Peripheral Nerve: Outcomes Article

A Systematic Review of the Literature on the Outcomes of Treatment for Recurrent and Persistent Carpal Tunnel Syndrome

Soltani, Ali M. M.D.; Allan, Bassan J. M.D.; Best, Matthew J. B.S.; Mir, Haaris S. M.D.; Panthaki, Zubin J. M.D., C.M.

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Abstract

Background: Recurrent and persistent carpal tunnel syndrome is an uncommon but potentially difficult surgical dilemma. Many surgical treatment options have been described in the literature without comparative data on outcome.

Methods: A systematic review on recurrent carpal tunnel syndrome was performed for all articles from 1946 to 2012 in MEDLINE, EMBASE, CENTRAL, and hand-searched reference lists from all identified articles. Twenty-three articles were screened and identified from the time period 1972 to 2012, representing two general treatment groups: decompression with flap interposition and repeated open decompression. A meta-analysis was then performed, generating forest and funnel plots of the data.

Results: In total, 294 patients from 14 studies in the flap arm of the meta-analysis had a weighted success rate of 86 percent (95 percent CI, 0.75 to 0.96), and 364 patients from nine studies in the nonflap arm had a weighted 75 percent success rate (95 percent CI, 0.66 to 0.84). Heterogeneity was statistically analyzed and revealed low heterogeneity with the I2 statistic. Forest plots were created and analyzed between subgroups, and chi-square analysis revealed a highly statistically significant difference (p = 0.001). The odds ratio of success in the nonflap group was 0.50 (95 percent CI, 0.33 to 0.75).

Conclusions: Decompression with the use of vascularized flap coverage appears to have a higher success rate over simple repeated decompression. The relevance of these data is pertinent to all hand surgeons, as they could have an impact on treatment guidelines for this relatively uncommon but problematic condition, but further prospective study is needed.

CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, III.

©2013American Society of Plastic Surgeons

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