ArticleHand (New York, N.Y.)2026
The Utility of Ulnar Nerve Cross-Sectional Area in Predicting Patient Outcomes in the Early Postoperative Period.
Article in Hand (New York, N.Y.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
Abstract
backgroundAlthough ulnar nerve cross-sectional area (CSA) can be used to diagnose cubital tunnel syndrome, the predictive value of preoperative CSA for postoperative outcomes remains uncertain. This study's primary aim was to assess the relationship between preoperative ulnar nerve CSA and postoperative changes in Patient-Reported Outcomes Measurement Information System (PROMIS) scores in the early postoperative period.
methodsA retrospective review was conducted of all cubital tunnel surgeries performed by the senior authors from January 2015 to May 2023. Demographics, preoperative study results, and PROMIS scores were obtained from patient charts. Bivariate and multivariable statistical testing was used to determine statistical significance. After a threshold effect of CSA was observed at 12 weeks post-operation, a Youden analysis was performed to determine the threshold value.
resultsAt 12 weeks post-operation, patients with preoperative CSA > 16 mm
conclusionsA preoperative ulnar nerve CSA > 16 mm
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