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  • HIV and AIDS in Spontaneous Subarachnoid Hemorrhage

    Final Number:
    1129

    Authors:
    Andrew Joshua Kobets MD, MHS; Ajit Jada MD; Jonathan Nakhla MD; David J. Altschul MD

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2015 Annual Meeting

    Introduction: As HIV patients survive longer, cases of spontaneous subarachnoid hemorrhage (SSAH) in this population become more prevalent. Experience with this subset of SSAH patients predisposed to arteriopathy builds on our understanding of their outcomes. To date, 3 ruptured, cerebral aneurysms in HIV adults have been reported. We expand on this literature with 13 additional SSAH cases.

    Methods: Chart review was performed for all patients with non-traumatic SAHs from 2005-2012 at our institution. Of 415 patients identified, 13 were HIV positive. Data including demographics, comorbidities, Hunt-Hess and Fisher grades, and outcomes were collected. Fifty one age-matched, non-HIV SSAH patients were identified.

    Results: HIV/SAH patients were similar to controls in regards to age and sex. Hypertension was noted in 85% of the HIV group and in 61% of controls. 23% of HIV patients used cocaine preceding presentation and 46% had substance abuse histories, compared to 5% and 20% in controls, respectively. Viral load was highly variable and undetectable in 4, and average CD4 count was 449. 54% of HIV patients presented as Hunt Hess grade 1 and 46% higher grades, compared to 33% and 67% in controls, respectively. Non-diagnostic angiograms were seen in 23% of HIV patients and 16% of controls. 31% of controls had vasospasm compared to 46% in the HIV group. 61% of HIV patients and 53% of controls were neurologically intact upon discharge, and there was 8% and 14% mortality for HIV and control patients, respectively.

    Conclusions: Classically-associated risk factors are seen in patients with SSAH and HIV, and low CD4 counts, advanced age, and vasospasm were seen with poorer outcomes. More HIV patients had substance abuse and hypertension histories, perimesencephalic bleeds, and vasospasm compared to controls. Yet, they presented and were discharged with better neurological examinations overall. It is still unclear how comorbid HIV affects SSAH and more data is needed.

    Patient Care: It will identify unique characteristics of a growing HIV population that influence their post-hemorrhage course and potential management strategies.

    Learning Objectives: By the conclusion of this session, participants should be able to: 1) Identify risk for HIV patients who develop subarachnoid hemorrhages 2) Utilize the presented data to obtain a schema for outcomes in this population 3) Delineate differences between subarachnoid hemorrhage patients with and without comorbid HIV.

    References:

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