[Hemoptysia and postoperative pulmonary edema after general anesthesia for amygdalectomy]. / Hémoptysie et œdème aigu du poumon à pression négative en postopératoire d'une amygdalectomie.

Acute postoperative negative pressure pulmonary edema with hemoptysia as a complication of general anesthesia is seldom. Its is related to an obstacle on airway, with important negative intrathoracic depression during inspiration leading to pulmonary edema and hemoptysia. Physiopathology and treatment of such complication have been discussed.