Factors affecting bony impingement in hip arthroplasty

Kurtz, WB; Ecker, TM; Reichmann, WM; Murphy, SB (2010). Factors affecting bony impingement in hip arthroplasty. Journal of arthroplasty, 25(4), 624-34.e1-2. Philadelphia, Pa.: Elsevier 10.1016/j.arth.2009.03.024

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Computer modeling of 10 patients' computed tomographic scans was used to study the variables affecting hip arthroplasty range of motion before bony impingement (ROMBI) including acetabular offset and height, femoral offset, height and anteversion, and osteophyte removal. The ROMBI was compared with the ROM before component impingement and the native hip ROM. The ROMBI decreased with decreased total offset and limb shortening. Acetabular offset and height had a greater effect on ROMBI than femoral offset and height. The ROMBI lost with decreased acetabular offset was not fully recoverable with an increase in femoral offset or osteophyte removal. Bony impingement increased and component impingement decreased with decreased acetabular offset and increased head diameter.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Department of Orthopaedic, Plastic and Hand Surgery (DOPH) > Clinic of Orthopaedic Surgery
UniBE Contributor:	Ecker, Timo Michael
ISSN:	0883-5403
Publisher:	Elsevier
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 14:09
Last Modified:	02 Mar 2023 23:20
Publisher DOI:	10.1016/j.arth.2009.03.024
PubMed ID:	19559561
Web of Science ID:	000278905300021
URI:	https://boris.unibe.ch/id/eprint/777 (FactScience: 200706)