Effect of Partial, Distal Epicondylectomy on Reduction of Ulnar Nerve Strain: A Cadaver Study

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dc.contributor.authorÇırpar, Meriç
dc.contributor.authorTürker, Mehmet
dc.contributor.authorYalçınozan, Mehmet
dc.contributor.authorEke, Murat
dc.contributor.authorŞahin, Feyzi
dc.date.accessioned2020-06-25T18:07:22Z
dc.date.available2020-06-25T18:07:22Z
dc.date.issued2013
dc.departmentKırıkkale Üniversitesi
dc.descriptionYalcinozan, Mehmet/0000-0002-2772-1137; Cirpar, Meric/0000-0001-9669-6513
dc.description.abstractPurpose To compare the decrease in ulnar nerve strains using a modification of medial epicondylectomy by removing the distal half of the medial epicondyle with in situ decompression and partial medial epicondylectomy. Methods Using 20 elbows of 10 fresh human cadavers, we measured the strain on the ulnar nerve using a microstrain gauge before and after in situ decompression. Then, we repeated the measurements after partial medial epicondylectomy on left elbows, and after distal medial epicondylectomy on right elbows. We compared the mean strain values with 2-way analysis of variance. Results The decrease in mean ulnar nerve strain with in situ decompression from 5.4% to 5.2% on the right side and 5.4% to 5.0% on the left was not statistically significant. The decrease to 2.9% on the left elbows after partial and to 1.9% on the right elbows after distal medial epicondylectomy was statistically significant. In addition, the remaining ulnar nerve strain after distal medial epicondylectomy was significantly less compared with that after partial medial epicondylectomy. We observed nerve subluxation only with partial medial epicondylectomy. Conclusions In situ decompression alone does not change ulnar nerve strains. The significant change in ulnar nerve strain with partial or distal medial epicondylectomy underlines the role of medial epicondyle on stretching of the ulnar nerve. Excision of the distal half of the medial epicondyle sets the contact point of the nerve with the bone proximally and decreases the strain on ulnar nerve more effectively than partial epicondylectomy. However, its efficacy and complications need to be studied clinically. Clinical relevance The results of the present cadaveric study suggest that excision of the distal half of the medial epicondyle in cubital tunnel syndrome may decrease ulnar nerve strain effectively. The clinical effect of decrease in nerve strain and the indications for the procedure need to be investigated. (J Hand Surg 2013;38A:666-671. Copyright (C) 2013 by the American Society for Surgery of the Hand. All rights reserved.)en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.jhsa.2012.12.033
dc.identifier.endpage671en_US
dc.identifier.issn0363-5023
dc.identifier.issn1531-6564
dc.identifier.issue4en_US
dc.identifier.pmid23433940
dc.identifier.scopus2-s2.0-84875519230
dc.identifier.scopusqualityQ2
dc.identifier.startpage666en_US
dc.identifier.urihttps://doi.org/10.1016/j.jhsa.2012.12.033
dc.identifier.urihttps://hdl.handle.net/20.500.12587/5554
dc.identifier.volume38Aen_US
dc.identifier.wosWOS:000317246100005
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherW B Saunders Co-Elsevier Incen_US
dc.relation.ispartofJournal Of Hand Surgery-American Volume
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCubital tunnel syndromeen_US
dc.subjectmedial epicondylectomyen_US
dc.subjectstrainen_US
dc.subjectulnar nerveen_US
dc.titleEffect of Partial, Distal Epicondylectomy on Reduction of Ulnar Nerve Strain: A Cadaver Studyen_US
dc.typeArticle

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