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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク High-frequency ventilation ： ウィキペディア英語版 High-frequency ventilation High frequency ventilation is a type of mechanical ventilation which utilizes a respiratory rate greater than 4 times the normal value. (>150 (Vf) breaths per minute) and very small tidal volumes. High frequency ventilation is thought to reduce ventilator-associated lung injury (VALI), especially in the context of ARDS and acute lung injury.〔 This is commonly referred to as lung protective ventilation. There are different flavors of High frequency ventilation.〔 Each type has its own unique advantages and disadvantages. The types of HFV are characterized by the delivery system and the type of exhalation phase. High frequency ventilation may be used alone, or in combination with conventional mechanical ventilation. In general, those devices that need conventional mechanical ventilation do not produce the same lung protective effects as those that can operate without tidal breathing. Specifications and capabilities will vary depending on the device manufacturer. ==Physiology== With conventional ventilation where tidal volumes (VT) exceed dead space(VDEAD), gas exchange is largely related to bulk flow of gas to the alveoli. With high frequency ventilation, the tidal volumes used are smaller than anatomical and equipment dead space and therefore alternative mechanisms of gas exchange occur. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「High-frequency ventilation」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.