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  • The Use of Catheter-based Digital Subtraction Angiography in the Initial Workup of Vascular Etiology for Spontaneous Intracranial Hemorrhage

    Final Number:
    1131

    Authors:
    Phillip Choi; Xiaoran Zhang MS; Ramesh Grandhi MD; Tudor Jovin MD; Brian T. Jankowitz MD; Ashutosh Jadhav; Andrew F. Ducruet MD

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2015 Annual Meeting

    Introduction: Intracranial hemorrhage (ICH) is associated with the highest rates of morbidity of all strokes. A subset of ICH occurs secondary to an underlying vascular abnormality, and effective recognition and management of these lesions may prevent rebleeding. Despite the prevalence of non-invasive studies including magnetic resonance imaging (MRI) and computed tomographic angiography (CTA), digital subtraction angiography (DSA) remains the gold standard for these lesions. The use of DSA in the workup for ICH is limited by its risks; however, MRI and CTA are limited in their ability to resolve small vascular lesions.

    Methods: Retrospective review of a prospectively maintained database of 396 patients presenting with spontaneous ICH at our institution between 7/2013-7/2014 identified 115 patients who underwent DSA as part of the workup. Patients with concurrent subarachnoid hemorrhage were excluded, and the remaining 84 ICH patients were analyzed. DSA was performed as first-line investigation in young patients without significant medical co-morbidities.

    Results: The median age of patients was 57 years old, 54% had a diagnosis of hypertension, and 18% were diabetic. Only 31% of the patients were on anti-platelet therapy, and 14% were on anti-coagulation at the time of presentation. A vascular etiology was found in 26% of the patients evaluated with DSA, including cerebral aneurysm (4%), arteriovenous malformation (13%), Arteriovenous fistula (1%), venous sinus thrombosis (4%), vasculopathy (2%), and pseudoaneurysm (1%). Importantly, in patients with positive DSA 32% had negative findings on non-invasive imaging studies. Only one patient (1%) suffered a complication, a groin hematoma that was managed conservatively.

    Conclusions: DSA remains essential in the diagnosis of vascular etiology for ICH, particularly in a preselected high-yield population of young patients with low rates of medical co-morbidities. In this population, DSA can be safely performed and may minimize the need for multiple non-invasive studies and may expedite treatment of these lesions.

    Patient Care: Identifying the population of patients with ICH who would benefit the most from DSA as a part of initial workup will result in improvement in patient care. This is achieved by a reduction in redundant imaging, and expedited treatment to prevent rebleeding.

    Learning Objectives: DSA can be safely performed and may minimize the need for multiple non-invasive studies and may expedite treatment of these lesions.

    References:

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