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Accuracy of Preoperative Ultrasonography for Cubital Tunnel Syndrome: A Comparison with Intraoperative Findings

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Author(s)
Chul-Hyun ChoYong-Ho LeeKwang-Soon SongKyung-Jae LeeSi-Wook LeeSung-Moon Lee
Keimyung Author(s)
Cho, Chul HyunSong, Kwang SoonLee, Kyung JaeLee, Si Wook
Department
Dept. of Orthopedic Surgery (정형외과학)
Journal Title
Clinics in Orthopedic Surgery
Issued Date
2018
Volume
10
Issue
3
Keyword
Ulnar nerveCubital tunnel syndromeUltrasonography
Abstract
Background:
The aim of this study was to assess the consistency between preoperative ultrasonographic and intraoperative measurements of the ulnar nerve in patients with cubital tunnel syndrome.

Methods:
Twenty-six cases who underwent anterior transposition of the ulnar nerve for cubital tunnel syndrome were enrolled prospectively. On preoperative ultrasonography, largest cross-sectional diameters of the ulnar nerve were measured at the level of medial epicondyle (ME) and 3 cm proximal (PME) and distal (DME) to the ME on the transverse scan by a single experienced radiologist. Intraoperative direct measurements of the largest diameter at the same locations were performed by a single surgeon without knowledge of the preoperative values. The consistency between ultrasonographic and intraoperative values including the largest diameter and swelling ratio were assessed.

Results:
Significant differences between ultrasonographic and intraoperative values of the largest diameter were found at all levels. The mean difference was 1.29 mm for PME, 1.38 mm for ME, and 1.12 mm for DME. The mean ME-PME swelling ratio for ultrasonographic and intraoperative measurements was 1.50 and 1.39, respectively, showing significant difference. The mean MEDME swelling ratio for ultrasonographic and intraoperative measurements was 1.53 and 1.43, respectively, showing no significant difference.

Conclusions:
Ultrasonographically measured largest diameters of the ulnar nerve at any levels were smaller than the real values determined intraoperatively. The ME-DME swelling ratio of the ulnar nerve measured by ultrasonography was consistent with the intraoperative measurement.
Keimyung Author(s)(Kor)
조철현
송광순
이경재
이시욱
Publisher
School of Medicine (의과대학)
Citation
Chul-Hyun Cho et al. (2018). Accuracy of Preoperative Ultrasonography for Cubital Tunnel Syndrome: A Comparison with Intraoperative Findings. Clinics in Orthopedic Surgery, 10(3), 352–357. doi: 10.4055/cios.2018.10.3.352
Type
Article
ISSN
2005-4408
Source
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6107820/
DOI
10.4055/cios.2018.10.3.352
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/41769
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학)
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