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 ORIGINAL ARTICLE
Year : 2011  |  Volume : 59  |  Issue : 2  |  Page : 199--203

Computed tomography angiography based emergency microsurgery for massive intracranial hematoma arising from arteriovenous malformations


Department of Neurosurgery, First Affiliated Hospital, Wenzhou Medical College, Wenzhou, China

Correspondence Address:
Bing Zhao
Department of Neurosurgery, First Affiliated Hospital, Wenzhou Medical College, Wenzhou
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.79138

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Background : Digital subtraction angiography (DSA) and magnetic resonance angiography are the imaging modalities for the detection of intracranial arteriovenous malformations. However, these modalities are time consuming and cannot be used in emergency conditions. Computed tomography angiography (CTA) has also been shown to reliably detect vascular disorders such as cerebral arteriovenous malformations (AVMs). Aims : The purpose of this study was to evaluate the usefulness CTA in the surgical treatment of AVMs and the hematoma evacuation. Patients and Methods : Case records of 18 patients with massive intracranial hematoma secondary to AVMs were retrospectively reviewed. All patients had emergent brain CT and CTA. Follow-up DSA was performed two to three weeks after surgery. The outcome was assessed using Glasgow Outcome Scale (GOS). Results : Emergent CTA demonstrated AVMs and defined the feeding arteries, abnormal vascular nest, and draining veins in all the patients. Fourteen patients underwent hematoma evacuation and total resection of the AVMs, and four patients had hematoma evacuation and a partial resection. Follow-up DSA demonstrated complete resection of AVM in 14/18 patients and partial resection in 4 patients. There were no deaths and none of the patients had rebleeding in the follow up. A GOS scores during follow-up were: GOS 3 in 12 patients, GOS 4 in 4 patients and GOS 2 in 2 patients. Conclusions : CTA can be a reliable and rapid diagnostic tool for detecting underlying AVM in patients presenting with intracranial hematoma and for the pretreatment planning of emergency craniotomy.






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