Predictive factors of postoperative complications in single-port video-assisted thoracoscopic anatomical resection: Two center experience

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The purpose of this study was to identify the risk factors for adverse events during single-port video-assisted thoracoscopic (SPVATS) anatomical resections.We retrospectively reviewed patients who had undergone SPVATS anatomic resections between January 2014 and February 2017 in Coruña University Hospital's Minimally Invasive Thoracic Surgery Unit (CHUAC, Spain) and Chang Gung Memorial Hospital (CGMH, Taiwan). Four hundred forty-two patients (male: 306, female: 136) were enrolled in this study. Logistic regression analysis was performed on variables for postoperative complications.Postoperative complications with a 30-day mortality occurred in 94 patients (21.3%) and with a 90-day mortality in 3 patients (0.7%) while the major complication rate was 3.9%. Prolonged air leak (PAL > 5 days) was the most common complication and came by postoperative arrhythmia. Logistic regression indicated that pleural symphysis (odds ratio (OR), 1.91; 95% confidence interval (CI), 1.14–3.18; P = .014), computed tomography (CT) pulmonary emphysema (OR, 2.63; 95% CI, 1.41–4.76; P = .002), well-developed pulmonary CT fissure line (OR, 0.49; 95% CI, 0.29–0.84; P = .009), and tumor size (≥3 cm) (OR, 2.15; 95% CI, 1.30–3.57; P = .003) were predictors of postoperative complications.Our preliminary results revealed that SPVATS anatomic resection achieves acceptable 30- and 90-day surgery related mortality (0.7%) and major complications rate (3.9%). Prolonged Air leak (PAL > 5 days) was the most common postoperative complication. Pleural symphysis, pulmonary emphysema, well-developed pulmonary CT fissure line and tumor size (≥3 cm) were predictors of adverse events during SPVATS anatomic resection.

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