[Pulmonary mechanics in the full-term newborn].

Abstract:

:The objective of this study is evaluate the pulmonary function in full term newborn infants, comparing classic with non-invasive techniques. We describe the pulmonary function laboratory and software developed at Instituto Fernandes Figueira. We studied 10 healthy full-term newborn infants (birthweight 3.260 g + - 460 g) Occlusions were performed at inspiration end and during expiration which allowed us to calculate values for total pulmonary resistance (TPR) and total pulmonary compliance (TPC). Esophageal pressure was measured with a water filled catheter positioned in the lower third of the esophagus, to obtain lung resistance (RL) and compliance (CL). All signals were digitized at 60 Hz into a microcomputer for further analysis. Mean results of our study are: CL= 1.78 + - 0.36 ml/cm H(2)O/kg, TPC= 1.12 + - 0.27 ml/cm H(2)O/kg and TPR= 16 + - 4 cm H(2)O/l/seg/kg. Our values are very similar to the ones in the current literature.

journal_name

J Pediatr (Rio J)

journal_title

Jornal de pediatria

authors

Ramos JR,Odeh CS,Lopes JM

doi

10.2223/jped.772

keywords:

subject

Has Abstract

pub_date

1994-05-01 00:00:00

pages

163-6

issue

3

eissn

0021-7557

issn

1678-4782

journal_volume

70

pub_type

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