Abstract: ObjectiveTo analyze the complication and outcoming of patients with deep hypothermic circulatory arrest (DHCA) in the operation of giant intracranial artery aneurysm.MethodsThe main complications and factors related to outcoming of six patients undergoing resection of giant intracranial basilar artery aneurysm were analyzed according to cerebral oximetry (rSO₂), body temperature, electrocardiogram (ECG) during operation, and complications and outcoming after operation.ResultsUnder the condition of DHCA, complications such as ventricular fibrillation could not be avoided. Although circulatory arrest caused degrade of rSO_2, holo-brain oxygen deficiency caused by circulation arrest after operation was not happened in all six patients. Three patients were died after resection, and local brain injury occurred ins all six patients.ConclusionDHCA can induce multitude complication in the resection of giant intracranial artery aneurysm, local brain injury is the main factor of influencing the outcoming of patients and early rehabilitation is important to patients.

Key words: deep hypothermic, circulatory arrest, complication, rehabilitation