PMID: 8597004Nov 1, 1995Paper

Birth weight and early lung compliance as predictors of short-term outcome in premature infants with respiratory distress syndrome

South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde
J SmithE Eggermont

Abstract

In addition to birth weight (BW), respiratory mechanics during the first week of life have been reported to predict outcome in ventilated newborn infants with respiratory distress syndrome (RDS). Most measuring techniques are invasive, requiring the placement of an oesophageal tube or balloon. In the present study the compliance (Crs) and resistance (Rrs) of the total respiratory system were measured without an oesophageal tube , using a commercially available system (PEDS; MAS Inc., Hatfield, Pa.) . The Crs and Rrs were determined once, within 24 hours of birth, in 28 preterm infants requiring mechanical ventilation for RDS. Variables such as gestational age (GA) and BW were also evaluated for their predictive role in outcome. Poor outcome was defined as death from respiratory failure or the development of bronchopulmonary dysplasia (BPD) at 28 days. All non-survivors died of refractory respiratory failure, at a median of age of 6 days. The median Crs of the 21 survivors was 0.5 ml/cm H2O and of the non-survivors 0.21 ml/cm H2O (P = 0.01). Crs below 0.45 ml/cm H2O predicted 15 of the 16 infants who either developed BPD or died (positive predictive value 100%; negative predictive value 92%; sensitivity 94%; specificity 100%). N...Continue Reading

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