Measurement of ventilatory system resistance in infants and young children

F. Marchal; P. Haouzi; C. Gallina; J. P. Crance

doi:10.1016/0034-5687(88)90067-9

Measurement of ventilatory system resistance in infants and young children

F. Marchal
, P. Haouzi
, C. Gallina
, J. P. Crance

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

The mechanics of the vintilatory system were studied in 29 sleeping infants and young children by the analysis of a passive expiration following an end-inspiratory airway occlusion ('single breath' method). The ventilatory system time constant (τrs) to compliance ratio yielded the value of ventilatory system resistance (Rrs). The calculated ventilatory system compliance correlated well with the slope of the quasi static pressure-volume curve (r = 0.97). The allometric relationship between Rrs and height (Rrs = 81.9·10³·Ht(cm)^-1.76, r = -0.82) is in agreement with forced oscillation measurements during the first year of life (Wohl et al., 1969)j. τrs was found to increase significantly over the first months of life (P<0.01).

Original language	English (US)
Pages (from-to)	201-209
Number of pages	9
Journal	Respiration Physiology
Volume	73
Issue number	2
DOIs	https://doi.org/10.1016/0034-5687(88)90067-9
State	Published - Aug 1988

All Science Journal Classification (ASJC) codes

Physiology
Pulmonary and Respiratory Medicine

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10.1016/0034-5687(88)90067-9

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title = "Measurement of ventilatory system resistance in infants and young children",

abstract = "The mechanics of the vintilatory system were studied in 29 sleeping infants and young children by the analysis of a passive expiration following an end-inspiratory airway occlusion ('single breath' method). The ventilatory system time constant (τrs) to compliance ratio yielded the value of ventilatory system resistance (Rrs). The calculated ventilatory system compliance correlated well with the slope of the quasi static pressure-volume curve (r = 0.97). The allometric relationship between Rrs and height (Rrs = 81.9·103·Ht(cm)-1.76, r = -0.82) is in agreement with forced oscillation measurements during the first year of life (Wohl et al., 1969)j. τrs was found to increase significantly over the first months of life (P<0.01).",

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T1 - Measurement of ventilatory system resistance in infants and young children

AU - Marchal, F.

AU - Haouzi, P.

AU - Gallina, C.

AU - Crance, J. P.

PY - 1988/8

Y1 - 1988/8

N2 - The mechanics of the vintilatory system were studied in 29 sleeping infants and young children by the analysis of a passive expiration following an end-inspiratory airway occlusion ('single breath' method). The ventilatory system time constant (τrs) to compliance ratio yielded the value of ventilatory system resistance (Rrs). The calculated ventilatory system compliance correlated well with the slope of the quasi static pressure-volume curve (r = 0.97). The allometric relationship between Rrs and height (Rrs = 81.9·103·Ht(cm)-1.76, r = -0.82) is in agreement with forced oscillation measurements during the first year of life (Wohl et al., 1969)j. τrs was found to increase significantly over the first months of life (P<0.01).

AB - The mechanics of the vintilatory system were studied in 29 sleeping infants and young children by the analysis of a passive expiration following an end-inspiratory airway occlusion ('single breath' method). The ventilatory system time constant (τrs) to compliance ratio yielded the value of ventilatory system resistance (Rrs). The calculated ventilatory system compliance correlated well with the slope of the quasi static pressure-volume curve (r = 0.97). The allometric relationship between Rrs and height (Rrs = 81.9·103·Ht(cm)-1.76, r = -0.82) is in agreement with forced oscillation measurements during the first year of life (Wohl et al., 1969)j. τrs was found to increase significantly over the first months of life (P<0.01).

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DO - 10.1016/0034-5687(88)90067-9

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Measurement of ventilatory system resistance in infants and young children

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