01-04-2016 | Ankle
Functional outcomes after peroneal tendoscopy in the treatment of peroneal tendon disorders
Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 4/2016
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Purpose
The primary purpose of this study was to evaluate clinical outcomes following peroneal tendoscopy for the treatment of peroneal pathology. Correlation between pre-operative magnetic resonance imaging (MRI) and peroneal tendoscopic diagnostic findings was also assessed.
Methods
Twenty-three patients with a mean age of 34 ± 8.8 years undergoing peroneal tendoscopy were pre- and post-operatively assessed with the foot and ankle outcome score (FAOS) and the Short Form-12 (SF-12) outcome questionnaires. Follow-up was over 24 months in all patients. The sensitivity and specificity of MRI were calculated in comparison with peroneal tendoscopy, including the positive predictive value (PPV).
Results
Both the FAOS and the SF-12 improved significantly (p < 0.05) at a mean follow-up of 33 ± 7.3 months significantly. MRI showed an overall sensitivity of 0.90 (95 % confidence interval (CI) = 0.82–0.95) and specificity of 0.72 (95 % CI 0.62–0.80). The PPV for MRI diagnosis of peroneal tendon pathology was 0.76 (95 % CI 0.68–0.83).
Conclusions
The current study found good clinical outcomes in patients with peroneal tendon disorders, treated with peroneal tendoscopy. Although a relatively small number of patients were included, the study suggests good correlation between tendoscopic findings and pre-operative MRI findings of peroneal tendon pathology, supporting the use of MRI as a useful diagnostic modality for suspected peroneal tendon disorders.
Level of evidence
Level IV, retrospective case series.