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Vet Comp Orthop Traumatol 2010; 23(02): 119-123
DOI: 10.3415/VCOT-09-07-0075
Case Report
Schattauer GmbH

Successful revision of a femoral head ostectomy (complicated by postoperative sciatic neurapraxia) to a total hip replacement in a cat

W. D. Liska
1   Gulf Coast Veterinary Specialists, Houston, Texas, USA
,
N. D. Doyle
1   Gulf Coast Veterinary Specialists, Houston, Texas, USA
,
Z. Schwartz
1   Gulf Coast Veterinary Specialists, Houston, Texas, USA
› Author Affiliations
Further Information

Publication History

Received: 09 July 2009

Accepted: 26 February 2009

Publication Date:
19 December 2017 (online)

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Summary

A three-year-old neutered male Domestic Medium Hair cat was referred for evaluation of a right hindlimb monoparesis of one month duration following a femoral head ostectomy (FHO) performed elsewhere. Examination of the limb revealed muscle atrophy and decreased sensory perception over the sciatic nerve distribution with conscious proprioception and postural reaction deficits. The tentative diagnosis was sciatic neurapraxia.

Radiographs taken prior to the FHO revealed a chronic nonunion right femoral neck fracture. The FHO was performed to remove the remnant of the femoral head and neck remaining in the acetabulum.

Surgery was performed to explore the sciatic nerve and to revise the FHO into a total hip replacement. Sciatic nerve entrapment was present. Tethering sutures and extensive peri-neural adhesions were released to restore nerve gliding. Postoperatively, activity was limited for six weeks; normal activity resumed at eight weeks. Rehabilitation treatments were provided to maximise the patient’s excellent recovery.

Keywords

Femoral head ostectomy - sciatic neurapraxia - total hip replacement - cat - revision arthroplasty
 

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