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Mathis, J.M., Barr, J.D., Jungreis, C.A., Yonas, H., Sekhar, L.N., Vincent, D., Pentheny, S.L. and Horton, J.A. (1995) Temporary Balloon Test Occlusion of the Internal Carotid Artery: Experience in 500 Cases. American Journal of Neuroradiology, 16, 749-754.

has been cited by the following article:

• TITLE: Cerebral Angiography Induced Prolonged Focal Seizure and Hemiparesis during Carotid Artery Balloon Test Occlusion

  AUTHORS: Yoriko Kato, Takatoshi Sorimach, Yasushi Ito, Yukihiko Fujii, Nobutaka Kawahara

  KEYWORDS: Balloon Test Occlusion, Cerebral Angiography, Hemiparesis, Seizure

  JOURNAL NAME: Open Journal of Modern Neurosurgery, Vol.4 No.3, July 9, 2014

  ABSTRACT: The frequency of neurologic complications of cerebral angiography is 0.3%-2.3%, and the frequency of the persistent neurologic deficits that remain over 7-10 days is 0.4%-0.5%. On the other hand, all neurologic complications of balloon test occlusion (BTO) have been reported in 0%-8.3% and especially in 1.6%-1.7% of symptomatic neurologic complications. There are a few reports concerning a seizure related to cerebral angiography and BTO. We report a case of prolonged seizures and left hemiparesis during and after BTO of the right internal carotid artery. The patient showed repeated focal seizures and prolonged left hemiparesis lasting for approximately 2 months. Computed tomography and magnetic resonance imaging demonstrated no abnormal findings. Suspected mechanisms of seizure were a cerebral blood flow change induced by BTO and neurotoxicity of accumulated contrast medium. A combination of prolonged focal seizures and subsequent hemiparesis is a rare complication of BTO, which should be taken into consideration during BTO.