雑誌文献を検索します。書籍を検索する際には「書籍検索」を選択してください。

検索

書誌情報 詳細検索 by 医中誌

Japanese

A Case of Neurally Mediated Syncope Induced by Hyperventilation Hideyuki Tanaka 1 , Fumio Saito 1 , Keiichi Sugino 1 , Shinobu Imai 1 , Hidehito Takase 1 , Yasuyuki Kitahara 1 , Masaaki Nagasima 1 , Katsuo Kanmatsuse 1 , Hiroshi Yagi 2 1Department of Cardiology, Surugadai Nihon University Hospital 2Yagi Clinic Keyword: 神経調節性失神 , 過換気 , 頭位挙上試験 , neurally mediated syncope , hyperventilation , head-up tilt test pp.1233-1236
Published Date 2001/12/15
DOI https://doi.org/10.11477/mf.1404902399
  • Abstract
  • Look Inside

Hyperventilation-induced neurally mediated syncope (NMS) is described in a 37-year-old woman. The patient had been ambulanced to the emergency room several times a year because of syncopal symptom and had been diagnosed as hyperventilation syndrome since she started attending elementary school. She visited our hospital and examinations to clarify the cause of symp-toms were carried out. Head up tilt test (HUT : 80') was performed and NMS (vasodepressor type) was induced at 17 minutes of HUT. NMS was preceded by hyperventilation. This was proved by blood gas analy-sis. Paper bag therapy prevented development of NMS during 30 minutes of HUT. Hyperventilation progress-ing to NMS was reproducible by HUT without paper bag therapy. Without paper bag therapy, the increase in plasma epinephrine level (PE) was larger and the increase in the plasma norepinephrine level (PNE) was smaller than with paper bag therapy. Imbalance of increase in PE and PNE due to hyperventilation is a possible mechanism inducing neurally mediated syncope in this patient.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

基本情報

電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

関連文献

もっと見る

文献を共有