Retrospektive Analyse der klinischen Ergebnisse und Reluxationsrate nach operativ versorgter Patellaluxation in Abhängigkeit von Risikofaktoren

Retrospective analysis of clinical outcomes and redislocation rate after surgically treated patellar dislocations depending on risk factors

by Alexander Al-Sahhoum
Doctoral thesis
Date of Examination:2015-02-18
Date of issue:2015-02-09
Advisor:PD Dr. Martin Wachowski
Referee:PD Dr. Martin Wachowski
Referee:PD Dr. Stefan Lakemeier
Persistent Address: http://dx.doi.org/10.53846/goediss-4911

 

 

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Abstract

English

Duplication of the medial retinaculum show very inconsistent results in the literature, possibly due to the fact that the essential pathomorphology of patellar dislocation is not addressed. The aim of this studie study was to compare the clinical outcomes of patients with first time patella dislocation and patients after recurrent dislocations, which were each supplied with medial plication. In this study, 42 patients who underwent media plication surgery for patellar dislocation were retrospectively reviewed between 2000 and 2008. Among the 31 patients were 20 male and 22 female patients. The average age was 25,5 years, and the mean follow-up period was 60,6 month. The patient population was divided into two groups. Among the 42 patients were 19 (group I) with recurrent dislocation and 23 with a first-time patellar dislocation (group II). Six patients had postoperative dislocations (14 %). Between the groups there was a significant difference in the redislocation rate of 32% (recurrent dislocations group I) versus 0% (group II: first time dislocation). The patients with first time dislocation showed significantly higher scores in clinical outcome. The results of the study showed that the presence of predisposing factors, impaired significantly the clinical outcome after media plication. Based on the results of the present study, patients with recurrent dislocations should not be supplied with a media plication. Patients with pronounced bone dysplasias, increased TTTG-distance and angular deformity of the affected knee should be supplied with differentiated surgical procedures, which account the underlying pathologies.
Keywords: patella dislocation
 
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