Yoshinobu Arimura

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A newly developed non-invasive monitor, NICO (Novametrix Medical Systems Inc.), measures cardiac output based on changes in respiratory CO2 concentration caused by a brief period of rebreathing. By applying modified form of the CO2 Fick principle, cardiac output is calculated. We determined the accuracy and precision of this technique (RBCO) by comparing it(More)
Pain is a private internal event, the degree of which can not be evaluated directly by others. The measurement of the nociceptive pain threshold may apply to the evaluation of the degree of the pain. The instruments using mechanical and electrical stimulation are available for the clinical application. Thermotest allows the testing of quantitative(More)
A 56-year-old man with Marfan's syndrome was scheduled for a valve-sparing aortic root replacement operation because of annuloaortic ectasia and aortic regurgitation. He had severe dyspnea. When the operation started, SpO2 decreased at the time of the median sternotomy, and increased by manual inflation. After sternal closure, PIP increased from 20 cmH2O to(More)
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