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The Journal of Bone and Joint Surgery (American) 84:2211-2215 (2002)
© 2002 The Journal of Bone and Joint Surgery, Inc.

Scientific Article

Mennen Plate Fixation for the Treatment of Periprosthetic Femoral Fractures

A Multicenter Study of Thirty-six Fractures

Robbert J.P. Noorda, MD and Paul I.J.M. Wuisman, MD, PhD

Investigation performed at the Department of Orthopaedic Surgery, Onze Lieve Vrouwe Gasthuis, and the Department of Orthopaedic Surgery, Academic Hospital Vrije Universiteit, Amsterdam, The Netherlands

Robbert J.P. Noorda, MD
Department of Orthopaedic Surgery, Onze Lieve Vrouwe Gasthuis, P.O. Box 95500, 1090 MB Amsterdam, The Netherlands

Paul I.J.M. Wuisman, MD, PhD
Department of Orthopaedic Surgery, Academic Hospital Vrije Universiteit, P.O. Box 7057, 1007 MB, Amsterdam, The Netherlands. E-mail address: orthop{at}vumc.nl

The authors did not receive grants or outside funding in support of their research or preparation of this manuscript. They did not receive payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

Background: The management of periprosthetic femoral fractures after total hip and knee replacement remains difficult and controversial. This study was performed to determine the results of Mennen plate fixation for the treatment of periprosthetic femoral fractures.

Methods: This retrospective multicenter study consists of a review of a consecutive series of thirty-five patients in whom a total of thirty-six periprosthetic femoral fractures were treated with Mennen plate fixation. The average duration of follow-up was twenty-seven months (range, eight to forty-six months).

Results: Twenty-six fractures (72%) had united at an average of five months (range, three to ten months) after surgery. One of them had varus bending (10°) of the plate. The remaining ten fractures had a nonunion and varus bending (20° to 30°) of the plate, with a fracture of the plate in eight. A revision procedure was successfully performed in the eight patients with nonunion.

Conclusions: The treatment of unstable periprosthetic femoral fractures with Mennen plate fixation was complicated by high rates of mechanical failure (31%) and nonunion (28%). For this reason, we do not recommend the use of the Mennen plate for the treatment of periprosthetic femoral fractures.


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