PMID: 9537658Apr 16, 1998Paper

Postoperative hyperperfusion in dural arteriovenous fistula associated with venous ischemia: case report

Surgical Neurology
S KurodaH Abe

Abstract

It is well known that carotid endarterectomy and extracranial-intracranial arterial bypass sometimes cause postoperative hyperperfusion, and vasoparalysis attributable to long-standing ischemia has been suggested as the cause. It is also well known that dural arteriovenous fistula (AVF) sometimes causes cerebral ischemia attributable to venous hypertension. However, there are few reports regarding the postoperative changes of regional cerebral blood flow (rCBF). We report a case of dural AVF of the left transverse/sigmoid sinuses, occurring in a 64-year-old man. Intraoperative transvenous embolization combined with transarterial embolization was performed, and the rCBF was measured pre- and postoperatively using 99mTc-hexamethyl-propylene amine oxime and single-photon emission computed tomography (SPECT). Preoperative SPECT disclosed a marked rCBF reduction in the left temporal, parietal, and occipital lobes. Complete obliteration of the AVF was attained after the intraoperative transvenous embolization, without any neurological deterioration. However, postoperative SPECT demonstrated temporary hyperperfusion in these regions. Sudden resolution of venous ischemia can lead to postoperative hyperperfusion, and pre- and post-treat...Continue Reading

References

Apr 1, 1988·Journal of Neurosurgery·D G PiepgrasL M Mussman
May 1, 1986·Journal of Neurosurgery·P LasjauniasM Bernstein
Jan 1, 1986·Journal of Neurosurgery·R A SolomonJ W Correll
Mar 1, 1994·Journal of Neurosurgery·A KurataS Kan

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Citations

Nov 22, 2005·Lancet Neurology·Walther N K A van MookPeter W de Leeuw
Jul 30, 2009·Journal of Computer Assisted Tomography·Ying-Chi TsengChi-Jen Chen
Jun 30, 2002·Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences·H J CloftD L Barrow
Dec 18, 2010·Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences·T NoguchiS Kudo

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