Key result
133-Xenon inhalation yields satisfactory cerebral blood flow data in ~95% of acute stroke cases.
Observational (n=57)
The 133 Xenon inhalation method of measuring regional cerebral blood flow was applied in serial studies comprising 100 measurements in 57 cases of acute hemiparesis and hemiplegia presumed due to arterial occlusion. Satisfactory data for analysis were obtained in over 95% of the cases studied. Significant flow reductions in the ischemic hemisphere were demonstrated in the cases with more severe clinical disability. This study demonstrates the feasibility of applying this method for serial regional cerebral blood flow measurements in most cases of acute stroke. The expected clinical usefulness and limitations of the method are discussed.
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Rao et al. (1974) conducted an observational in Acute stroke (hemiparesis and hemiplegia presumed due to arterial occlusion) (n=57). 133 Xenon inhalation method was evaluated on Feasibility and regional cerebral blood flow measurements. The 133 Xenon inhalation method yielded satisfactory regional cerebral blood flow data in >95% of 57 acute stroke cases, showing significant flow reductions with severe disability.
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