• Neurosurgery · Mar 2023

    Management and Long-Term Outcomes of Patients With Infectious Intracranial Aneurysms.

    • Ali M Alawieh, Laurie Dimisko, Sarah Newman, Jonathan A Grossberg, C Michael Cawley, Gustavo Pradilla, Owen Samuels, Daniel L Barrow, and Brian M Howard.
    • Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia, USA.
    • Neurosurgery. 2023 Mar 1; 92 (3): 515523515-523.

    BackgroundInfectious intracranial aneurysms (IIAs) are rare complications of infective endocarditis (IE). Data on management and long-term outcomes remain limited.ObjectiveTo retrospectively study long-term outcomes of IIAs in patients treated medically or surgically.MethodsAdult cases of IE and/or IIAs admitted to Emory or Grady Healthcare Systems between May 2015 and May 2020 were reviewed for demographic, clinical, and radiographic variables for up to 2 years. Primary outcome measure was 2-year survival.ResultsAmong 1714 cases of IE, intracerebral hemorrhage occurred in 322 patients and IIAs in 17 patients. The presence of IIAs in IE was associated with higher odds of disposition to hospice/death (odds ratio = 6.9). Including non-IE patients, 24 patients had 38 IIAs mainly involving the distal middle cerebral artery and 16 were ruptured on admission. IIAs were predominantly treated with antibiotics as the primary approach. Open microsurgery was the primary approach for 5 aneurysms and was used as salvage in 7 IIAs. Endovascular management was the primary approach for 2 IIAs and used as salvage for 5 IIAs with antibiotic failure. Medical management had high rate of treatment failure (15/31) which predominantly occurred within 2 weeks of onset. The 2-year survival in this cohort was 70% (17/24).ConclusionIIAs are rare complications of IE with a poor prognosis. Patients treated with antibiotics have higher risk of treatment failure requiring salvage surgical or endovascular intervention. Medical treatment failure occurred mostly within 2 weeks of onset and had a negative prognostic value emphasizing the need for close follow-up and early surgical or endovascular management.Copyright © Congress of Neurological Surgeons 2022. All rights reserved.

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