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ACETABULAR FRACTURES WITH MARGINAL IMPACTION: CLINICAL RESULTS



Abstract

Purpose: The purpose of this study was to investigate the outcome of acetabular fractures treated in our institution with marginal impaction.

Patients & Methods: Over a 5 year period consecutive acetabular cases treated in our institution with marginal impaction were eligible for inclusion in this study. Exclusion criteria were patients lost to follow up and pathological fractures. A retrospective analysis of prospectively documented data was performed. Demographics, fracture types according to the Judet-Letournel classification, radiological criteria of intra-operative reduction (Matta) and secondary collapse, complication rates, and the Euro-Qol-5D questionnaire were documented over a median period of follow-up of 40months (12–206).

Results: Out of 400 cases, eighty-eight acetabular fractures met the inclusion criteria. The majority (93.2%) involved males with a median age of 40.5years (16–80). Half of them were posterior-wall fractures, 21.6% both column, 14.7% posterior-wall and posterior-column, 6.8% transverse, 5.7% anterior-column, 1.1% anterior-column posterior hemi-transverse. In 75% of the cases anatomical intraoperative reduction was achieved. Structural-bone-graft was used in 73.9%, and two-level reconstruction in 61%. At final follow-up, the originally achieved anatomical reduction was lost in 17/66 (25.8%), (10 PW, 4 PC+PW, 1 PC, 1 Transverse, 1 Bicolumn fracture). Avascular necrosis developed in 9.1% and heterotopic ossification in 19.3%. Full return to previous activities was documented in 48.9% of cases, the EuroQol general heath state score had a median of 80% (30–95%), full recovery was recorded as to the patients’ mobility in 51.1%, as to pain in 47.7%, as to self-care in 70.5%, as to work-related activities in 55.7%, and as to emotional parameters in 65.9%. Reoperation (heterotopic-ossification excision, total-hip-arthroplasty, removal of metalwork) was necessary in 19.2% of cases.

Discussion/Conclusion: Utilising different techniques of elevation of the articular joint impaction leads to joint preservation with satisfactory overall functional results. Secondary collapse was noted in 25.8% of the patients predisposing to a poorer outcome.


Correspondence should be sent to Professor Peter V Giannoudis, Academic Department of Trauma and Orthopaedics, LGI, Clarendon Wing, Level A, Great George Street, Leeds, United Kingdom, pgiannoudi@aol.com

The abstracts were prepared by Mr Matt Costa and Mr Ben Ollivere. Correspondence should be addressed to Mr Costa at Clinical Sciences Research Institute, University of Warwick, Clifford Bridge Road, Coventry CV2 2DX, UK.