The Modified McGoon Index does not Predict Mortality in Infants with Congenital Diaphragmatic Hernia

TL;DRAbstract

Background: Infants diagnosed with congenital diaphragmatic hernia (CDH) continue to have a high mortality despite medical advances such as inhaled nitric oxide (iNO), high frequency ventilation (HFV) and/or extracorporeal membrane oxygenation (ECMO). The mortality in some studies exceeds 80%. The modified McGoon index (MMI), a ratio of pulmonary artery size to aortic size has been reported to predict survivability in these infants: infants with a MMI ≤ 1.3 have an 85% mortality: (Pediatr 2000;105:1106). Objective: To evaluate the utility of MMI in predicting mortality in our population. Design/Methods: We performed a retrospective review of all infants with CDH admitted to the University of New Mexico NICU between January 2000 and November 2002. All available echocardiograms were reviewed by a single pediatric cardiologist blinded to the outcome of the infants, and the MMI was calculated (LPA + RPA/ Ao). The following information was also recorded from each infants record: gestational

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