Publications (30) View all
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Article: Congenital epiglottic cyst presenting with severe airway obstruction at birth.
Journal of Perinatology 02/2006; 26(1):71-2. · 1.80 Impact Factor -
Article: High-flow nasal cannulae in the management of apnea of prematurity: a comparison with conventional nasal continuous positive airway pressure.
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ABSTRACT: Apnea of prematurity (AOP) is frequently managed with nasal continuous positive airway pressure (NCPAP). Nasal cannula (NC) are used at low flows (<0.5 L/min) to deliver supplemental oxygen to neonates. A number of centers use high-flow nasal cannula (HFNC) in the management of AOP without measuring the positive distending pressure (PDP) generated. Objective. To determine the NC flow required to generate PDP equal to that provided by NCPAP at 6 cm H(2)O and to assess the effectiveness of HFNC as compared NCPAP in the management of AOP. Method. Forty premature infants, gestation 28.7 +/- 0.4 weeks (mean +/- standard error of mean), postconceptual age at study 30.3 +/- 0.6 weeks, birth weight 1256 +/- 66 g, study weight 1260 +/- 63 g who were being managed with conventional NCPAP for at least 24 hours for clinically significant apnea of prematurity, were enrolled in a trial of ventilator-generated conventional NCPAP versus infant NC at flows of up to 2.5 L/min. End expiratory esophageal pressure was measured on NCPAP and on NC, and the gas flow on NC was adjusted to generate an end expiratory esophageal pressure equal to that measured on NCPAP. Two 6-hour periods were continuously recorded and the data were stored on computer. Results. The flow required to generate a comparable PDP with NC varied with the infant's weight and was represented by the equation: flow (L/min) = 0.92 + 0.68x, x = weight in kg, R = 0.72. There was no difference in the frequency and duration of apnea, bradycardia or desaturation per recording between the 2 systems. Conclusion. NC at flows of 1 to 2.5 L/min can deliver PDP in premature neonates. HFNC is as effective as NCPAP in the management of AOP.PEDIATRICS 06/2001; 107(5):1081-3. · 4.47 Impact Factor -
Article: Neonatal pertussis requiring extracorporeal membrane oxygenation.
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ABSTRACT: Despite widespread immunization against Bordetella pertussis, whooping cough remains potentially fatal in susceptible populations such as neonates. A case of neonatal pertussis with severe pulmonary hypertension (PH) requiring extracorporal membrane oxygenation (ECMO) is described. PH associated with pertussis severe enough to require ECMO is frequently irreversible and associated with a poor prognosis.Pediatric Surgery International 04/2001; 17(2-3):201-3. · 1.25 Impact Factor -
Article: The western Canadian experience with congenital diaphragmatic hernia: perinatal factors predictive of extracorporeal membrane oxygenation and death.
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ABSTRACT: This study documents how congenital diaphragmatic hernia (CDH) is managed in level III neonatal intensive care units (NICUs) in western Canada and examines perinatal factors predictive of the need for extracorporeal membrane oxygenation (ECMO). Information was obtained retrospectively from all level III NICUs in western Canada about the management of infants with CDH between 1992 and 1996; 91 infants with isolated CDH were identified. A prenatal diagnosis was made in 42 cases (46%). Surfactant was used in 53%, high-frequency oscillation (HFO) in 29%, and nitric oxide (NO) in 27%. Of the 69 infants born in referral centers, 29 (42%) were referred for possible ECMO; 17 (59%) of those required ECMO, with 65% survival. The overall requirement for ECMO was 30%. Death or ECMO occurred in 40% of cases overall. Overall survival was 82%. Survival in those needing ECMO was 74%, and in those not needing ECMO 86%. Significant predictors of death or ECMO were: prenatal diagnosis (P < 0.05), maximum postductal arterial partial pressure of oxygen (PaO2) < 100 mmHg (P < 0.001), and an oxygenation index (OI) at 6 h > 15 (P < 0.001). In cases where there is a prenatal diagnosis of CDH the mother should deliver at an ECMO center. Alternatively, an OI of > 15 at 6 h and PaO2 < 100 mmHg should prompt referral to an ECMO center.Pediatric Surgery International 03/2001; 17(2-3):196-200. · 1.25 Impact Factor -
Article: Successful chelation therapy in a case of neonatal iron overload following intravascular intrauterine transfusion.
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ABSTRACT: We report a newborn infant who was successfully treated with chelation therapy having developed severe liver disease secondary to iron overload following multiple intrauterine, intravascular transfusions (IVTs). Case report with review of the literature. An infant was born at 33 weeks' gestation having received multiple IVTs for severe rhesus hemolytic disease. At birth there was severe anemia with hydrops and ascites. Severe liver disease was present with portal hypertension, coagulopathy and abnormal liver enzymes. A liver biopsy showed histologic features consistent with iron overload. The serum ferritin was in excess of 4000 micrograms/l. A 7-week course of deferoxamine resulted in a marked reduction in ferritin levels and significant improvement in liver function. The possibility of neonatal iron overload following multiple IVTs should be borne in mind. Successful chelation therapy is possible in such cases.Journal of Perinatology 01/2001; 20(8 Pt 1):509-12. · 1.80 Impact Factor
