PMID: 11328969May 1, 2001Paper

Changes in the clinical picture of bronchopulmonary dysplasia

Medycyna wieku rozwojowego
M RutkowskaM Rudzinska-Chazan

Abstract

The mortality of very preterm infants has significantly improved after introducing into clinical practice the antenatal use of glucocorticoid steroids prior to premature births and postnatal treatment with pulmonary surfactant which effectively decreases the tendency of the alveoli to collapse. The period of necessary mechanical ventilation was shortened. Reducing the concentration of inspired oxygen and inflation pressures became possible. In spite of this, long-term damage of lung tissue in immature infants is still a major clinical problem. However, its origin seems to be slightly different. A new form of bronchopulmonary dysplasia (BPD) has been recently evaluated. The most important factors in the pathogenesis of the "new" BPD are: lung tissue immaturity, infections initiating a cascade of events caused by formation of free oxygen radicals and cytokines and the presence of persistent patent ductus arteriosus. Primary prevention of BPD is possible by reducing the rates of prematurity and intrauterine infections. Secondary prevention includes antenatal steroids administration and postnatal surfactant treatment according to the accepted known standards. When protracted mechanical ventilation is necessary, low and subsequently...Continue Reading

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