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首页> 外文期刊>Physiotherapy theory and practice >Comparison of breathing patterns, pressure, volume, and flow characteristics of three breathing techniques to encourage lung inflation in healthy older people
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Comparison of breathing patterns, pressure, volume, and flow characteristics of three breathing techniques to encourage lung inflation in healthy older people

机译：三种呼吸技术呼吸模式，压力，体积和流动特性的比较，鼓励健康老年人的肺气通胀

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Background: It is important to encourage lung inflation to prevent postsurgical pulmonary complications and we compared three breathing techniques that place different emphasis on inspiratory flow and breath-holding. Methods: Fourteen healthy older people (69 +/- 3.6 yrs) used diaphragmatic breathing (DB), Triflo II (TF), and a water pressure threshold device (BreatheMAX; BM) in a randomized and balanced crossover design. Outcome measures were inspiratory flow and pressure, inspiratory time (Ti), tidal volume (Vt), and breathing frequency. Results: Inspiratory flow with TF was significantly faster than DB and BM (p < 0.001: 0.96 +/- 0.1; 0.43 +/- 0.20 and 0.28 +/- 0.1 L.s(-1), respectively) and pressures greater (p < 0.001: -1.3 +/- 0.6, -5.5 +/- 1.2 and -2.8 +/- 3.6 cm H2O). However, Ti was shorter (TF, 1.16 +/- 0.21s; DB, 3.31 +/- 0.97 s, p < 0.001; BM, 5.53 +/- 1.92 s, p < 0.001), resulting in smaller Vt (TF, 1.12 +/- 0.29 L; DB, 1.28 +/- 0.29L, p = 0.003; BM, 1.37 +/- 0.43L, p = 0.016). Breathing frequency was faster with TF compared to DB and BM (p < 0.001). Conclusions: Substantial lung inflation could be achieved with any of the above-mentioned methods, although Vt was smaller with TF and the high inspiratory flow with this method may not inflate the lower lung. The high pressures and rapid breathing with TF could increase the sense of effort. Trials are needed to determine the clinical value of the different breathing exercises.
机译：背景：促进肺部通胀的重要性是防止后勤肺部并发症，并将三种呼吸技术进行了比较了不同强调吸气流动和呼吸持有的呼吸技术。方法：在随机和平衡的交叉设计中使用膈肌呼吸（69 +/- 3.6 YRS）使用隔膜呼吸（DB），Triflo II（TF）和水压阈值装置（Seaveremax; BM）。结果测量是吸气流动和压力，吸气时间（TI），潮气量（VT）和呼吸频率。结果：具有TF的吸气流量明显快于DB和BM（P <0.001：0.96 +/- 0.1; 0.43 +/- 0.10和0.28 +/- 0.1LS（-1），压力更大（P <0.001 ：-1.3 +/- 0.6，-5.5 +/- 1.2和-2.8 +/- 3.6厘米H2O）。然而，Ti短（TF，1.16 +/- 0.21s; DB，3.31 +/- 0.97 S，P <0.001; BM，5.53 +/- 1.92 S，P <0.001），导致较小的VT（TF，1.12 +/- 0.29 L; DB，1.28 +/- 0.29L，P = 0.003; BM，1.37 +/- 0.43L，P = 0.016）。与DB和BM相比，TF的呼吸频率更快（P <0.001）。结论：通过任何上述方法可以实现大量的肺气膨胀，尽管VT较小，具有TF和具有这种方法的高吸气流量可能不会膨胀下肺。高压和TF的呼吸迅速呼吸可能会增加努力的感觉。需要试验来确定不同呼吸锻炼的临床价值。

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