Abstract
Recently, the number of the cases with ruptured intracranial aneurysms transported to major hospitals in the acute stage has increased, so that early operations also have done year by year.
Generally, a number of the cases with ruptured intracranial aneurysms of the acute stage are severe and lose consciousness, so that they often need respiratory therapy.
In the ICU of Hakodate Municipal Hospital, the preoperative and postoperative management, especially respiratory intensive care of such patients has done by anesthesiologists, and contributed to the success of the operations.