Tomomichi Koga

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STUDY OBJECTIVE To investigate whether gender difference has an effect on an anesthesia resident's ability to perform successful mask ventilation. DESIGN Cohort study. SETTING Surgical operation theater of a university-affiliated hospital. PATIENTS 839 ASA physical status I, II, and III patients undergoing general anesthesia performed by residents. (More)
Advantages of thoracic paravertebral analgesia (TPA) include placement of the catheter closer to the surgical field; however, the catheter can become damaged during the operation. We experienced a case of intraoperative TPA catheter breakage that prompted us to perform an experiment to investigate possible causes. A 50-year-old male underwent a(More)
BACKGROUND We conducted a retrospective study to evaluate background factors of cerebral hyperperfusion syndrome (CHS) in the anesthetic management of carotid endarterectomy (CEA) for carotid artery stenosis. METHODS A total of 118 ASA 1-2 adult patients were allocated to one of two groups: Group A of 13 patients who developed CHS after CEA, and Group B(More)
BACKGROUND Continuous cardiac output measurement in STAT mode (STAT CCO) equipped with Vigilance displays cardiac output every 30 to 60 seconds. The aim of this study is to verify the hypothesis that each value with this system is computed only from the data collected in one update period. METHODS The circuit was filled with normal saline and flowed by a(More)
We have devised a simple and cost-free mitral valve model using "right hand", which is placed on the median portion of anterior chest and supinated by 30 degrees. The palm is used to resemble the mitral valve:the thenar eminence, its margin wrinkle, and adjacent palm as the anterior leaflet, coaptation line, and the posterior leaflet, respectively. As the(More)
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