• Guihuai Wang, Guangshuo Ma, Jun Ma, Shuyu Hao, Dezhi Li, Lijiang Han, Tao Wang, Wei Su, Bo Han, Chun-Po Yen, and Aij-Lie Kwan.
• Division of Neurological Surgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
• J Clin Neurosci. 2013 Jun 1;20(6):831-6.

AbstractThis study aims to evaluate the benefits of intraoperative indocyanine green (ICG) videoangiography and associated surgical outcomes of patients with spinal vascular malformations. ICG videoangiography was used during 24 surgical interventions to treat spinal vascular malformations at the Beijing Tiantan Hospital from August 2009 to May 2011. The vascular malformations were removed or the fistulae were occluded with the assistance of ICG videoangiography. The completeness of fistula clipping or nidus extirpation and each patient's neurological status were evaluated. Among these 24 patients, there were seven with spinal dural arteriovenous fistulae, five glomus arteriovenous malformations, one juvenile arteriovenous malformation, nine perimedullary arteriovenous fistulae, and two perimedullary arteriovenous fistulae in combination with perimedullary arteriovenous malformations. Intraoperative ICG videoangiography confirmed the definite clipping of the fistulous points and complete removal of intramedullary arteriovenous malformations in all but one patient. All patients had satisfactory preservation of spinal cord blood supply and venous return. No adverse effects or complications related to ICG videoangiography occurred. Three patients were lost to follow up; 21 patients were followed clinically with a mean follow up of 7.5 months. The neurological deficits completely resolved in six patients, improved significantly in 10, remained stable in two, and were aggravated in three patients. Our experience shows that intraoperative ICG videoangiography offers useful information on the pathological and physiological vascular anatomy encountered during surgery for spinal vascular malformations.Copyright © 2012 Elsevier Ltd. All rights reserved.

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