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Clinical and radiological outcomes of concomitant endoscopic gastrocnemius release with scarf osteotomy.
Foot and Ankle Surgery : Official Journal of the European Society of Foot and Ankle Surgeons 2018 August
BACKGROUND: Studies showed patients with hallux valgus also have tight gastrocnemius concomitantly. This study aims to investigate (1) prevalence of tight gastrocnemius in symptomatic hallux valgus (2) clinical and radiological outcomes of concomitant endoscopic gastrocnemius release with scarf osteotomy.
METHODS: Between January 2011 to December 2013, 224 patients underwent hallux valgus surgery were evaluated. They were categorized into 2 groups: scarf osteotomy (n=195), scarf and endoscopic gastrocnemius release (combine, n=29). Clinical outcome measures assessed included VAS, AOFAS Hallux MTP-IP and SF-36 scores. Radiological outcomes included HVA, IMA, HVI and TSP. All patients were prospectively followed up for 6 and 24 months.
RESULTS: The prevalence of ipsilateral gastrocnemius tightness in symptomatic hallux valgus is 12.9%. No significant difference in preoperative clinical outcomes between the two groups (all p>.05). Although AOFAS was 6±2 points poorer in the combine group compared to the scarf group at 6 months follow up (p=0.021), at 24 months, all clinical outcomes were comparable between the two groups (all p>0.05). Significant difference in the HVA change between the groups were observed but comparable radiological outcomes in IMA, TSP and HVI at 24 months follow up.
CONCLUSIONS: We conclude clinical and radiological outcomes of concomitant endoscopic gastrocnemius release and scarf osteotomy are comparable with scarf osteotomy alone at 24 months.
METHODS: Between January 2011 to December 2013, 224 patients underwent hallux valgus surgery were evaluated. They were categorized into 2 groups: scarf osteotomy (n=195), scarf and endoscopic gastrocnemius release (combine, n=29). Clinical outcome measures assessed included VAS, AOFAS Hallux MTP-IP and SF-36 scores. Radiological outcomes included HVA, IMA, HVI and TSP. All patients were prospectively followed up for 6 and 24 months.
RESULTS: The prevalence of ipsilateral gastrocnemius tightness in symptomatic hallux valgus is 12.9%. No significant difference in preoperative clinical outcomes between the two groups (all p>.05). Although AOFAS was 6±2 points poorer in the combine group compared to the scarf group at 6 months follow up (p=0.021), at 24 months, all clinical outcomes were comparable between the two groups (all p>0.05). Significant difference in the HVA change between the groups were observed but comparable radiological outcomes in IMA, TSP and HVI at 24 months follow up.
CONCLUSIONS: We conclude clinical and radiological outcomes of concomitant endoscopic gastrocnemius release and scarf osteotomy are comparable with scarf osteotomy alone at 24 months.
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