Although advanced age, the male sex and malignancy proved to be strong predictors of in-hospital mortality in our study, Thoracoscore failed to predict accurate risk of in-hospital mortality in pneumonectomy patients in this study. Further studies are required to validate the Thoracoscore in different subgroups of thoracic surgery.

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This study demonstrated the efficacy and potency of clinically used vasopressors and endogenous vasopressors on human pulmonary vascular tone. PGF2a and KCl equally caused maximal amounts of constriction, whereas ET-1 had less effect and vasopressin had no effect. These effects may need to be taken into account in the clinical setting because they might result in the development of pulmonary hypertension.

Our mortality for pneumonectomy was 50% less than the national mortality rate and significantly lower than that predicted by the Thoracoscore for lung cancer. This confirms that pneumonectomy is still an effective modality for the treatment of lung cancer, with low operative mortality and good long-term survival, especially in younger patients.