Katsuyoshi Kishi

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In patients with hepatic cirrhosis, the globus pallidus and putamen show high intensity on T1-weighted MRI. While the causes of this high signal have been thought to include paramagnetic substances, especially manganese, no evidence for this has been presented. Autopsy in four cases of hepatic cirrhosis permitted measurement of metal concentrations in brain(More)
Cerebral oximeter based on near-infrared spectroscopy has been used as a continuous, noninvasive monitoring of regional cerebral oxygen saturation (rSO2). Although the absolute rSO2 values have a wide range of variability, the factors affecting a variability of rSO2 values have not been extensively investigated. The authors investigated the influence of(More)
Background: The normal and pathologic anatomies of the peripancreatic arteries were demonstrated using thin-section multislice computed tomography (CT). Methods: Triple-phase dynamic CT was performed in 304 consecutive patients without pancreatic pathology and in 22 patients with pancreatic carcinoma. CT angiographies images (2.5-mm collimation,(More)
OBJECTIVE Volatile anesthetics have been shown to dilate cerebral vessels. Recent evidence suggests that mild hypothermia can alter vascular reactivity of the cerebral vessels. However, the effect of mild hypothermia on volatile anesthetic-induced vasodilation of cerebral vessels is unknown. In the present study, we investigated the effect of mild(More)
Two adult anticoagulated patients after valve replacement were scheduled for inguinal herniorrhaphy. For inguinal herniorrhaphy in adults, spinal anesthesia is a common anesthetic method. In order to avoid spinal hematoma due to spinal anesthesia, however, we employed general anesthesia combined with ilioinguinal nerve block. Following induction of(More)
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