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Journal of Korean Neurosurgical Society > Volume 14(1); 1985 > Article
Journal of Korean Neurosurgical Society 1985;14(1): 93-102.
Clinical Applications of Digital Subtraction Angiography(DSA) in Neurosurgical Field.
Seong Hyung Kim, Sun Gwan Choi, Bark Jang Byun, In Soo Lee
Department of Neurosurgery, Soonchunhyang Medical College, Seoul, Korea.
Methods for the identification and amplification of signals from quantities of intravascularly administered iodinated contrast agent and their combination with image subtraction have evolved into a clinically useful technique called digital subtraction angiography (DAS). The initial motivation for the development of DSA was the desire to replace standard conventional angiographic procedures with simpler, less invasive techniques. We have evaluated IV-DSA and IA-DSA which are made in 150 patients with clinically suspected intracranial diseases from Dec. 1983 to Mar. 1985. Comparison with IA-DSA and conventional angiography indicated that the quality and information of content of the film were equivalent. IV-DSA image quality was inferior to that of conventional angiography. But IV-DSA can be used for intracranial studies to evaluate results of surgery of aneurysm, AVM or tumor and to revaluate vasospasm after subarachnoid hemorrhage before surgery. Also, IV-DSA can be used for neck vessel appearance due to reveal adequate information.
Key Words: Digital subtraction angiography; IV-DSA; IA-DSA; Conventional angiography
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