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Open in new tab Download slide OBJECTIVES Extracorporeal membrane oxygenation (ECMO) support for elective cardiothoracic surgery is well established. In contrast, there are not much data regarding the usefulness and outcome of ECMO in non-elective major lung resections for infectious lung abscess. METHODS All patients undergoing non-elective major lung surgery for infectious lung abscess at 5 centres in Germany, UK and Spain were enrolled in a prospective database. Malignant disorders and intrathoracic complications of other procedures were excluded. RESULTS There were 127 patients. The median age was 59 years (interquartile range 18.75). The mean Charlson index of comorbidity was 2.83 (standard deviation 2.57). Surgical procedures were lobectomy (89), pneumectomy (20) and segmentectomy (18). ECMO was used for 10 patients (pneumectomy 2, lobectomy 8) and several more received pre-ECMO treatment. Mortality was 17/127. Intraoperatively no ECMO-associated complications were encountered. EMCO [1/10 vs 16/117; odds ratio (OR): 0.70, 95% confidence interval (CI) 0.08–5.91, P = 0.74] and the extent of pulmonary resection were not associated with higher mortality. Preoperative sepsis (OR: 17.84, 95% CI 2.29–139.28, P < 0.01), preoperative air leak (OR: 13.12, 95% CI 4.10–42.07, P < 0.001), acute renal failure (OR: 7.00, 95% CI 2.19–22.43, P < 0.01) and Charlson index of comorbidity ≥ 3 (OR: 10.83, 95% CI 2.36–49.71, P < 0.01) were associated with significantly higher mortality. CONCLUSIONS The application of ECMO is widening the possibilities for successful surgical management of infectious, non-malignant lung abscesses. Particularly, patients with marginal functional operability benefit from the availability and readiness to use ECMO. Mortality is determined by the burden of pre-existent comorbidity, severe sepsis and septic shock. [ABSTRACT FROM AUTHOR]