1966
DOI: 10.1152/jappl.1966.21.3.767
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Regional distribution of ventilation and perfusion as a function of body position.

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Cited by 397 publications
(223 citation statements)
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“…It is known that the regional distribution of ventilation in the supine position may be affected by body posture, with a predominance of ventilation in areas dependent on gravity [16][17][18][19] . However, the effect of different postures on PEF, particularly relevant for physical therapy, has yielded controversial results.…”
Section: Introductionmentioning
confidence: 99%
“…It is known that the regional distribution of ventilation in the supine position may be affected by body posture, with a predominance of ventilation in areas dependent on gravity [16][17][18][19] . However, the effect of different postures on PEF, particularly relevant for physical therapy, has yielded controversial results.…”
Section: Introductionmentioning
confidence: 99%
“…In clinical practice, corporal positioning may be used to optimize oxygen transport, improve the ventilation-perfusion relationship, increase lung volume and capacity and help increase mucociliary clearance, as well as reduce the work of breathing and cardiac work [1][2][3][4] .…”
Section: Introductionmentioning
confidence: 99%
“…A distribuição da ventilação de acordo com a posição do corpo é a seguinte: -na posição ereta, em condições normais, esta diminui da base para o ápice, embora as diferenças sejam menores que as da perfusão (KANEKO et alii 1966;WEST 1977b;WEST & DOLLERY 1960). A pressão intrapleural é maior na base (-2,5 cmH20) que no ápice (-10 cmH20) do pulmão.…”
unclassified
“…Devido a isto, os alvéolos da base expandem-se melhor que os do ápice (WAGNER & WEST 1979); -nas posições supina e prona, em condições normais, a diferença da pressão intrapleural entre o ápice e a base diminui, e a distribuição torna-se mais uniforme, mas ainda assim, permanece melhor na base. No entanto, a ventilação da porção posterior excede à da anterior (KANEKO et alii 1966;WAGNER & WEST 1979). …”
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