PT - JOURNAL ARTICLE AU - Vinall, Phil ED - Zipfel, Gregory J. TI - State-of-the-Art Surgical and Endovascular Treatment for Intracranial Occlusive Disease DP - 2010 Apr 01 TA - MD Conference Express PG - 27--28 VI - 10 IP - 1 4099 - http://mdc.sagepub.com/content/10/1/27.short 4100 - http://mdc.sagepub.com/content/10/1/27.full AB - High oxygen extraction fraction (OEF) is detectable by positron emission tomography (PET), and superficial temporal artery to middle cerebral artery (STA-MCA) bypass surgery can be used to improve cerebral hemodynamics in stroke risk patients [Zipfel et al. Skull Base 2005]. This article discusses some of the studies that have used PET to detect OEF, including the COSS Study, WASID Trial, SAMMPRIS Study.