• Takashi Miura and Kiyoyuki Eishi.
• Department of Cardiovascular Surgery, Nagasaki University Hospital, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan, takashiren@yahoo.co.jp.
• Gen Thorac Cardiovasc Surg. 2013 Oct 1;61(10):551-9.

AbstractWe describe the optimal timing of surgery in active infective endocarditis patients with brain complications. (1) Non-hemorrhagic infarction: elective surgery has been recommended in patients with non-hemorrhagic infarction. However, the timing is changing to an earlier phase. Recent studies have shown that silent brain embolism and small-size infarction (15-20 mm) without coma can be operated safely without delay. On the other hand, in patients with large non-hemorrhagic infarction with impaired consciousness, early surgery is not recommended. (2) Non-ruptured infectious intracranial aneurysm: treatment strategies for patients with infectious aneurysms without rupture remain controversial. However, the treatments are generally as follows. If the intracranial aneurysm without rupture decreases in size by administration of effective antibiotics, neurosurgery will not be required and cardiac surgery can be prioritized without delay. When the aneurysm without rupture enlarges and changes its morphology, neurosurgery or endovascular surgery should be prioritized to prevent its rupture. (3) Hemorrhagic stroke: this type is classified into primary intra-cerebral hemorrhage due to simple necrotic arteritis, hemorrhagic transformation of ischemic infarcts, and rupture of intracranial infectious aneurysms. Among these, primary intracerebral hemorrhage is the most frequently observed. In patients with the primary intracerebral hemorrhage, surgery must be postponed for at least 4 weeks to prevent exacerbation of bleeding. In patients with ruptured infectious aneurysm, neurosurgery or endovascular surgery is performed initially and cardiac surgery should be postponed at least 2-3 weeks.

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