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Meconium Aspiration Syndrome

Meconium Aspiration Syndrome. Presented by Fred Hill, MA, RRT. Introduction. Meconium is contents of fetal bowel. Usually not released until after birth. Usually sterile without odor Thick, tar-like dark green to black material

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Meconium Aspiration Syndrome

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  1. Meconium Aspiration Syndrome Presented by Fred Hill, MA, RRT

  2. Introduction • Meconium is contents of fetal bowel. Usually not released until after birth. • Usually sterile without odor • Thick, tar-like dark green to black material • Primarily a disease of term and postterm newborns with episodes of asphyxia before or during labor • Meconium passage before birth in ~ 10-20% of births • Aspiration occurs in ~ 50% of meconium stained newborns

  3. Prevention • Intubation immediately following delivery with suction applied to ET tube in depressed meconium stained infant • Administration of 100% oxygen

  4. Irregular patchy infiltrates, often with hyperinflation Chest X-Ray

  5. Treatment • Hypoxemia treated with warmed, humidified oxygen • Mechanical ventilation with PEEP • Broad-spectrum antibiotics

  6. Complications • Pneumonia • Pnemothorax: due to ball-valve phenomenon • Persistent pulmonary hypertension • Tachypnea that persists even after the need for oxygen has passed

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