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Clin Orthop Relat Res. 2013 Jun;471(6):1769-72. doi: 10.1007/s11999-012-2759-8. Epub 2013 Feb 21.

Case report: Painless chronic liner dissociation of a total hip arthroplasty.

Author information

1
Department of Orthopedics, Spaarne Hospital, Spaarne Ziekenhuis, Spaarnepoort 1, 2134 TM, Hoofddorp, the Netherlands. jmnellensteijn@hotmail.com

Abstract

BACKGROUND:

Dislocation or liner dissociation of a total hip prosthesis usually results in pain and discomfort. Although several reports describe chronic dislocation and its treatment, chronic liner dissociation is an unreported complication.

CASE DESCRIPTION:

We report an unrecognized dissociation and displacement of the liner of a total hip prosthesis after revision THA. The patient had virtually no pain or functional restrictions. The patient's only complaint was pain on the contralateral side, associated with a leg-length discrepancy. Since the patient had no complaints relative to the liner dissociation we elected not to pursue further treatment. The contralateral pain was treated successfully with a shoe lift.

LITERATURE REVIEW:

Chronic dislocation of a THA is a rare complication and we found reports of only seven cases in the literature. We found no reports of chronic liner dissociation.

CLINICAL RELEVANCE:

Orthopaedic surgeons should be aware of the possibility of this rare complication. Our case and the literature suggest treatment can be nonsurgical or surgical.

PMID:
23430718
PMCID:
PMC3706646
DOI:
10.1007/s11999-012-2759-8
[Indexed for MEDLINE]
Free PMC Article
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