A New Alarm Device for Air Embolism during Neurosurgery in the Sitting Position
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概要
- 論文の詳細を見る
The high sensitivity of Doppler ultrasound for monitoring venous air embolism was confirmed by injecting various amounts of air into the jugular veins of dogs in the upright position. The frequency distribution of the Doppler sound changed by air embolism was analyzed on the sonogram and was compared with polygraphic recordings of pathophysiological data from animals and clinical cases. An electronic alarm circuit triggered by the intensity and duration of the Doppler output of a particular frequency range characteristic for air embolism was designed and tested with animals and clinical data. This device detects variations in Doppler output from preoperative levels, thereby relieving the anesthesiologist and surgical team from the need of monitoring the Doppler sound throughout surgery.
- 日本脳神経外科学会の論文
- 1980-01-15
著者
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Mogami Heitaro
Department Of Neurosurgery Osaka University Medical School
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Ikeda Takuya
Department Of Neurosurgery Osaka University Medical School
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Nakatani Jiro
Department Of Neurosurgery Osaka University Medical School
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Mogami Heitaro
Department Of Neurosurgery Osaka University Hospital
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IWATA Yoshkazu
Department of Neurosurgery, Osaka University Medical School
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KAWAI Toshihiro
Central Operating Room, Osaka University Medical School
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NAKATANI Hiroshi
Central Operating Room, Osaka University Medical School
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Kawai Toshihiro
Central Operating Room Osaka University Medical School
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Nakatani Hiroshi
Central Operating Room Osaka University Medical School
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Iwata Yoshkazu
Department Of Neurosurgery Osaka University Medical School
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Mogami Heitaro
Department Of Neurological Surgery Osaka Univeristy
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Ikeda Takuya
Department Of Neruosurgery Osaka University
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IKEDA Takuya
Department of Neurosurgery, Osaka University Medical School
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Nakatani Jiro
Department of Chemical Engineering, Faculty of Engineering, Tohoku University
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