J Cardiovasc Surg
-
Case Reports
Cerebral arterial air embolism following CT-guided lung needle marking. Report of a case.
We report a case of survival following a temporary cerebral air embolism, which occurred immediately after CT guided lung needle marking. A 24-year-old man was referred to our hospital for resection of a pulmonary nodule. ⋯ The following day, the symptoms diminished, and a brain CT showed no abnormal lesions. A video-assisted thoracoscopic wedge resection was performed as scheduled, the patient's postoperative course was uneventful, and he was discharged in relatively good condition.
-
Randomized Controlled Trial Clinical Trial
Beneficial effect of balloon-induced pulsatility on brain oxygenation in hypothermic cardiopulmonary bypass.
Sufficient O2 delivery to meet the demand is an important factor for protecting the brain during cardiopulmonary bypass (CPB). This study was designed to investigate the influences of temperature, pulsatility of blood flow (intra-aortic balloon pump-induced) and flow rate during CPB on the cerebral oxygenation. ⋯ We concluded that the hypothermic CPB was advantageous over normothermic CPB in regard to the SjVO2 levels and lactate production. The beneficial effect of intra-aortic balloon pump assist was only obtained in the hypothermic CPB.
-
Cardiac tamponade is an uncommon complication of blunt chest trauma, resulting typically from hemorrhage into the pericardial space. We report a case of hemodynamic compromise secondary to an extrapericardial compression caused by the acute formation of a retrosternal hematoma associated with a sternal fracture. The patient was involved in a violent deceleration accident. ⋯ Surgical evacuation of the retrosternal hematoma related to a bifocal fracture of the manubrium was followed by instantaneous hemodynamic improvement. Regional extrapericardial tamponade secondary to the acute formation of compressive retrosternal hematoma is an unusual cause of circulatory failure after severe blunt chest trauma. Since conventional clinical signs associated with typical tamponade physiology may be lacking in this setting, echocardiography is ideally suited for early recognition of this unusual condition.