Closed-chest trauma in the elderly poor-risk patient.
D000368:Aged; D000758:Anesthesia; D001775:Blood Circulation; D005853:Geriatrics; D006801:Humans; D011300:Preoperative Care; D012119:Respiration; D012129:Respiratory Function Tests; D013898:Thoracic Injuries / Q000150:complications* / Q000628:therapy