meconium aspiration syndrome

intra-uterine fetal distress ==> defecation of meconium

term + post-term neonates
- NOT preemies
- NOT kids of diabetic moms
diffuse HYPERaeration
- pulm interstitial emphysema (PIE)
- pnuemomediastinum + non-tension ptx in 33%
patchy atelectasis + consolidation
lung dz usually resolves spontaneously
morbidity d/t intrauterine cerebral anoxia

Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013