Outcome of Surgical Treated Isolated Pronator Teres Syndromes—A Retrospective Cohort Study and Complete Review of the Literature

Harald Binder, Armin Zadra, Domenik Popp, Micha Komjati and Thomas M. Tiefenboeck
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Harald Binder: Department of Orthopaedics and Trauma Surgery, Division of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria
Armin Zadra: LKH Südsteiermark, Department of Orthopaedics, Bad Radkersburg, 8490 Südsteiermark, Austria
Domenik Popp: Department of Orthopaedics and Trauma Surgery, Division of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria
Micha Komjati: First Department of Orthopaedics, Hospital of sacred Heart of Jesus, 1030 Vienna, Austria
Thomas M. Tiefenboeck: Department of Orthopaedics and Trauma Surgery, Division of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria

IJERPH, 2021, vol. 19, issue 1, 1-10

Abstract: Purpose: This study aims to elucidate the occurrence of postoperative carpal tunnel syndrome (CTS), the functional outcome of patients with primary pronator teres syndrome (PTS), and review complete literature regarding this topic. Material and Methods: A retrospective chart review was conducted in patients with PTS at a single center. In all patients, a numeric Visual Analog Scale (VAS) score, Pinch-Test, Jamar hand dynamometer test (JAMAR), and the Disabilities of the Arm Shoulder and Hand (DASH) score were analyzed preoperatively and at final follow-up to assess outcome. Additionally, a complete review of the literature was performed, including all data dealing with pronator teres syndrome. Results: Ten female and two male patients were included with a mean age of 49 years. Significant improvement in DASH and numeric VAS was detected at latest postoperative follow-up. In three patients, clinical signs of CTS pathology were detected during the follow-up period. One patient needed to be treated surgically, and in the other two patients, a conservative management was possible. In one patient (8%), a PTS recurrence was detected. All patients presented satisfied at latest follow-up. Conclusion: In one-fourth of our patients, a CTS occurred during the follow-up period. Therefore, focusing on double-crush syndrome in unclear or mixed symptoms is necessary to avoid multiple operations. Furthermore, it seems that assessment with NCV is not enough for diagnosing PTS; therefore, further research is needed to clarify this problem.

Keywords: pronator teres syndrome; clinical outcome; decompression; review of the literature (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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