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01.11.2017 | Trauma Surgery | Ausgabe 2/2018

Archives of Orthopaedic and Trauma Surgery 2/2018

Incidence and risk factors for postoperative Achilles tendon calcifications after percutaneous repair

Zeitschrift:
Archives of Orthopaedic and Trauma Surgery > Ausgabe 2/2018
Autoren:
Atesch Ateschrang, Daniel Körner, Konrad Joisten, Marc-Daniel Ahrend, Steffen Schröter, Ulrich Stöckle, Stephan Riedmann
Wichtige Hinweise
Atesch Ateschrang and Stephan Riedmann contributed equally to this work.

Abstract

Introduction

Numerous publications are dealing with acute Achilles tendon rupture. To our knowledge, no systematic trial has been published analyzing the incidence, risk factors and the potential clinical impact of postoperative tendon calcifications (PTC) after percutaneous Achilles tendon repair. Therefore, the aim of this study was to analyze these relevant aspects.

Materials and methods

Between March 2003 and November 2010, a total of 126 patients with an acute, complete Achilles tendon rupture were treated with a percutaneous technique according to Ma and Griffith at a single university-based trauma department. The follow-up included a detailed clinical and sonographic examination. To assess the functional outcome and possible impact of PTC after percutaneous Achilles tendon repair, the Thermann and AOFAS scores were used. 81 patients (65 men and 16 women) with a median age of 46 years (range 24–76) were available for a follow-up examination. The median time of follow-up was 64 months (range 15–110 months).

Results

PTC occurred in nine out of 81 patients (11.1%). All patients with PTC were male with a median age of 52 years (range 26–76 years). In the group of patients with PTC, the median overall Thermann score was 94 (range 68–100) and the median overall AOFAS score was 97 (range 85–100). In the group of patients without PTC, the median overall Thermann score was 88.5 (range 60–100) and the median overall AOFAS score was 97 (range 85–100). No significant differences were detected between the group of patients with PTC and the group of patients without PTC and the clinical outcome according to the Thermann (p = 0.21) and the AOFAS scores (p = 0.37). None of the patients with PTC sustained a re-rupture. The overall re-rupture rate was 4.9%. PTC was no risk factor for wound and neurological complications.

Conclusion

The incidence of PTC after percutaneous Achilles tendon repair was 11.1%. Male gender and advanced age seem to be risk factors for PTC. In this study, PTC had no negative impact on the postoperative clinical outcome.

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