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題 名 | 呼吸衰竭病患使用壓力輔助控制通氣與容積輔助控制通氣的比較=Comparison of Pressure Assist-Control Ventilation and Volume Assist-Control Ventilation in Patients with Respiratory Failure |
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作 者 | 李俊德; | 書刊名 | 胸腔醫學 |
卷 期 | 15:4 2000.12[民89.12] |
頁 次 | 頁178-182 |
分類號 | 415.415 |
關鍵詞 | 壓力輔助控制通氣; 容積輔助控制通氣; Pressure assist-control ventilation; PACV; Volume assist-control ventilation; VACV; |
語 文 | 中文(Chinese) |
中文摘要 | 正壓呼吸器在壓床應用上甚為廣泛,現行使用的呼吸器常可提供多種不同的通氣模式,給予重症病患適當的呼吸照護。壓力輔助控制通氣是一種由病患或時間來驅動,經壓力限制及時間週期的運作,以完成通氣支持的呼吸型態,而傳統的容積輔助控制通氣則差別在以預設的潮氣容積及氣流速率來決定病患的吸吐比例。為了檢測壓力輔助控制通氣在呼吸衰竭但意識清晰的病患是否優於容積輔助控制通氣,我們進行此研究。20位在加護病房中使用呼吸器的病患,若血流動態穩定且有驅動通氣能力者,即予壓力輔助控制通氣及容積輔助控制通氣各45分鐘,並分別記錄比較病患在使用這兩種通氣模式時的狀況變化。結果顯示,當病患使用壓力輔助控制通氣時,其血流動力變化、動脈血液氣體分析值及肺部機械功能的數據並未優於容積助控制通氣模式,反而在病患的主觀舒適上,容積輔助控制通氣較壓力輔助控制通氣模式為佳。 結論:臨床醫師在處理呼嘲衰竭病患時,仍以容積輔佐控制通氣模式為首要選擇。 |
英文摘要 | Positive pressure ventilation has gained wide application in clinical medicine and currently available ventilators provide many different ventilatory modes for use in the critical care settings. Pressure assist-control ventilation (PACV) is a patient- or time-triggered, pressure-limited, time-cycled mode of ventilatory support, characterized by a rapid increase of airway pressure with a decelerating inspiratory flow pattern. To ascertain whether PACV offers any advantage in comparison with volume assist-control ventilation (VACV) in clearly conscious patients with respiratory failure, we study 20 patients with ventilatory support in intensive car unit. Patients are awake and hemodynamically stable without use of sedative or muscle relaxant. Each patient is ventilated with PACV and VACV, in random sequence, for 45 min. respectively. The results show that no evidence of the benefit with PACV in comparison with VACV on hemodynamic effect, blood gas exchange and lung mechanics. Patients feel more comfortable when using VACV than PACV. We conclude that VACV is still a mode of first choice in the management of patients with respiratory failure. |
本系統中英文摘要資訊取自各篇刊載內容。