Embolectomy; Hypertension, Pulmonary; Intraoperative Complications/prevention & control; Perfusion/methods; Postoperative Hemorrhage; Pulmonary Artery/surgery; Pulmonary Embolism; Adult; Aged; Cause of Death; Critical Illness/therapy; Embolectomy/adverse effects; Embolectomy/methods; Female; Heart Arrest/etiology; Humans; Hypertension, Pulmonary/etiology; Hypertension, Pulmonary/mortality; Italy; Lung/pathology; Lung/physiopathology; Male; Middle Aged; Mortality; Postoperative Hemorrhage/etiology; Postoperative Hemorrhage/mortality; Pulmonary Circulation; Pulmonary Embolism/complications; Pulmonary Embolism/diagnosis; Pulmonary Embolism/mortality; Pulmonary Embolism/physiopathology; Pulmonary Embolism/surgery; Severity of Illness Index

Pulmonary embolectomy; Pulmonary embolism; Retrograde pulmonary perfusion