Sinus Tarsi Versus Extensile Lateral Approach For Calcaneal Fractures - A Multicenter Study

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Introduction: The optimal surgical approach for intraarticular calcaneal fractures remains debated. This study compares deep infection rates between the extended lateral (EL) and sinus tarsi (ST) approaches. Methods: A retrospective review was conducted of 782 patients treated surgically for OTA 82B/C calcaneal fractures across 15 institutions. Deep infection was defined as requiring surgical débridement or treatment for osteomyelitis. Risk factors were identified using univariate and multivariate analyses. Results: Of 782 fractures, 444 were treated with EL and 338 with ST. Deep infections occurred in 6.8% of EL and 3.0% of ST cases (P = 0.017). Multivariate analysis found that surgical approach (P = 0.03) and age (P < 0.001) were independent risk factors. EL had more wound complications; ST had more symptomatic implants. Conclusion: The ST approach was associated with lower rates of deep infection and wound complications, even in higher-risk patients.

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