Universität zu Köln

Hackl, Michael ORCID: 0000-0002-6183-5621, Damerow, Deborah, Leschinger, Tim ORCID: 0000-0003-1319-6949, Scaal, Martin, Mueller, Lars Peter and Wegmann, Kilian (2015). Radial nerve location at the posterior aspect of the humerus: an anatomic study of 100 specimens. Arch. Orthop. Trauma Surg., 135 (11). S. 1527 - 1533. NEW YORK: SPRINGER. ISSN 1434-3916

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Abstract

Radial neuropathy represents a devastating complication in a posterior approach to the distal humerus. This study aimed to propose safe zones regarding the radial nerve (RN) location at the posterior aspect of the humerus to minimize the risk of iatrogenic injury. In 100 embalmed specimens, the distances of the proximal edge of the olecranon fossa (OF) to the radial nerve at the medial edge (R1), at the center (R2) and at the lateral edge (R3) of the posterior aspect of humeral shaft were measured. Humeral length (HL) and transcondylar width (TW) were evaluated and correlated to R1, R2 and R3. R1 was 15.0 (+/- 2.1; 10.6-19.5) cm, R2 averaged 12.7 (+/- 1.6; 8.9-15.7) cm, R3 was 10.6 (+/- 1.3; 7.6-13.7) cm. HL was 30.8 (+/- 1.9) cm. TW averaged 6.3 (+/- 0.6) cm. TW and HL correlate with R1, R2, R3 (r = 0.451-0.565 [95 % CI 0.279-0.685]). The mean ratio was 2.3 (+/- 0.18) for HL/R1, 2.6 (+/- 0.23) for HL/R2 and 3.1 (+/- 0.31) for HL/R3. The ratio averaged 2.2 (+/- 0.20) for R1/TW, 1.9 (+/- 0.18) for R2/TW and 1.6 (+/- 0.15) for R3/TW. We present the OF as an osseous landmark to reduce the risk of iatrogenic radial neuropathy. HL and TW can be reliably used to estimate the RN location. The consistent safe zones of the RN in relation to the OF are 10.5 cm at the medial edge, 9 cm at the center and 7.5 cm at the lateral edge of the posterior aspect of the humeral shaft.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Hackl, Michael UNSPECIFIED orcid.org/0000-0002-6183-5621 UNSPECIFIED Damerow, Deborah UNSPECIFIED UNSPECIFIED UNSPECIFIED Leschinger, Tim UNSPECIFIED orcid.org/0000-0003-1319-6949 UNSPECIFIED Scaal, Martin UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller, Lars Peter UNSPECIFIED UNSPECIFIED UNSPECIFIED Wegmann, Kilian UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-388378
DOI:	10.1007/s00402-015-2300-0
Journal or Publication Title:	Arch. Orthop. Trauma Surg.
Volume:	135
Number:	11
Page Range:	S. 1527 - 1533
Date:	2015
Publisher:	SPRINGER
Place of Publication:	NEW YORK
ISSN:	1434-3916
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language ELBOW; MANAGEMENT; FRACTURES; PALSY; REVISION; INJURY Multiple languages Orthopedics; Surgery Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/38837