The median V D-Ana /kg was higher in prematurely born infants compared to term infants. V D-Ana and V D-Alv were related to body weight at the time of study. V D-Alv was determined by subtracting V D-Ana from the physiological dead space which was determined by the Bohr-Enghoff equation.
V D-Ana was determined using Fowler's method of volumetric capnography. Retrospective analysis of data collected at King's College Hospital NHS Foundation Trust, London, UK.įifty-six infants (11 term, 45 preterm) were studied at a median age of 8 (IQR 2-33) days. V D-Ana and V D-Alv will be higher in prematurely born compared to term born infants. To compare the anatomical (V D-Ana ) and alveolar dead space (V D-Alv ) in term and prematurely born infants and identify the clinical determinants of those indices.
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