Universität zu Köln

Wegmann, K., Hackl, M., Leschinger, T., Burkhart, K. J. and Mueller, L. P. . Overlengthening of the radial column in radial head replacement: a review of the literature and presentation of a classification system. Arch. Orthop. Trauma Surg.. NEW YORK: SPRINGER. ISSN 1434-3916

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Abstract

Background Radial head arthroplasty is a common procedure in elbow surgery. It has been shown to be of benefit for the patients, but there also are relevant complications that should be prevented if possible. One significant complication is overlengthening of the radial head prosthesis. In overlengthening, the head of the prosthesis overextends the physiological level of the native radial head and leads to overcompression in the radiohumeral joint. Rapid erosion and arthritic changes may then impede the clinical outcome. The incidence of overlengthening is not precisely known, but estimations range to up to 20% of all implanted prostheses. Methods The present review discusses the available body of literature on overlengthening and lines out a classification system that may be used to guide treatment algorithms. The classification is based on the personal experiences of the author during their clinical practice. Results In low-grade overlengthening (type I) conservative treatment can be an option. In Types II-IV usually revision surgery is needed. Depending on the state of the capitulum and joint stability, it is possible re-implant a prosthesis, or rely on implant removal alone. Discussion The present review aimed at shedding light into overlengthening as a complication radial head replacement and to help identify and treat it.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Wegmann, K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hackl, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Leschinger, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Burkhart, K. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller, L. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-315060
DOI:	10.1007/s00402-020-03619-9
Journal or Publication Title:	Arch. Orthop. Trauma Surg.
Publisher:	SPRINGER
Place of Publication:	NEW YORK
ISSN:	1434-3916
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language TOTAL ELBOW ARTHROPLASTY; CONTACT PRESSURES; RADIOCAPITELLAR; PROSTHESIS; OUTCOMES; HEMIARTHROPLASTY; VARIANCE; REVISION Multiple languages Orthopedics; Surgery Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/31506