Mid-term results in relation to age and analysis of predictive factors after fixation of acetabular fractures using the modified Stoppa approach.

Bastian, Johannes Dominik; Tannast, Moritz; Siebenrock, Klaus-Arno; Keel, Marius (2013). Mid-term results in relation to age and analysis of predictive factors after fixation of acetabular fractures using the modified Stoppa approach. Injury - international journal of the care of the injured, 44(12), pp. 1793-8. Elsevier 10.1016/j.injury.2013.08.009

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INTRODUCTION

Data concerning outcome after management of acetabular fractures by anterior approaches with focus on age and fractures associated with roof impaction, central dislocation and/or quadrilateral plate displacement are rare.

METHODS

Between October 2005 and April 2009 a series of 59 patients (mean age 57 years, range 13-91) with fractures involving the anterior column was treated using the modified Stoppa approach alone or for reduction of displaced iliac wing or low anterior column fractures in combination with the 1st window of the ilioinguinal approach or the modified Smith-Petersen approach, respectively. Surgical data, accuracy of reduction, clinical and radiographic outcome at mid-term and the need for endoprosthetic replacement in the postoperative course (defined as failure) were assessed; uni- and multivariate regression analysis were performed to identify independent predictive factors (e.g. age, nonanatomical reduction, acetabular roof impaction, central dislocation, quadrilateral plate displacement) for a failure. Outcome was assessed for all patients in general and in accordance to age in particular; patients were subdivided into two groups according to their age (group "<60yrs", group "≥60yrs").

RESULTS

Forty-three of 59 patients (mean age 54yrs, 13-89) were available for evaluation. Of these, anatomic reduction was achieved in 72% of cases. Nonanatomical reduction was identified as being the only multivariate predictor for subsequent total hip replacement (Adjusted Hazard Ratio 23.5; p<0.01). A statistically significant higher rate of nonanatomical reduction was observed in the presence of acetabular roof impaction (p=0.01). In 16% of all patients, total hip replacement was performed and in 69% of patients with preserved hips the clinical results were excellent or good at a mean follow up of 35±10 months (range: 24-55). No statistical significant differences were observed between both groups.

CONCLUSION

Nonanatomical reconstruction of the articular surfaces is at risk for failure of joint-preserving management of acetabular fractures through an isolated or combined modified Stoppa approach resulting in total joint replacement at mid-term. In the elderly, joint-preserving surgery is worth considering as promising clinical and radiographic results might be obtained at mid-term.

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:	Bastian, Johannes Dominik, Tannast, Moritz, Siebenrock, Klaus-Arno, Keel, Marius
Subjects:	600 Technology > 610 Medicine & health
ISSN:	0020-1383
Publisher:	Elsevier
Language:	English
Submitter:	Stephanie Schmutz
Date Deposited:	21 Feb 2014 17:10
Last Modified:	05 Dec 2022 14:28
Publisher DOI:	10.1016/j.injury.2013.08.009
PubMed ID:	24008225
Uncontrolled Keywords:	Acetabular fracture, Dome impaction, Geriatric trauma, Outcome, Quadrilateral plate, Stoppa approach
URI:	https://boris.unibe.ch/id/eprint/42337