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1.
J Pediatr ; 151(3): 322-4, 2007 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-17719949

RESUMO

A newborn with persistent pulmonary hypertension (PH) unresponsive to conventional therapies was found to be homozygous for a mutation in the gene encoding adenosine triphosphate binding cassette protein, member A3 (ABCA3). Most causes of PH respond to lung recruitment, inhaled nitric oxide, and hemodynamic support. When PH is prolonged and does not respond to standard therapies, genetic causes of surfactant abnormalities should be considered in the differential diagnosis.


Assuntos
Transportadores de Cassetes de Ligação de ATP/genética , Broncodilatadores/administração & dosagem , Síndrome da Persistência do Padrão de Circulação Fetal/genética , Administração por Inalação , Oscilação da Parede Torácica , Evolução Fatal , Humanos , Recém-Nascido , Masculino , Óxido Nítrico/administração & dosagem , Síndrome da Persistência do Padrão de Circulação Fetal/diagnóstico por imagem , Síndrome da Persistência do Padrão de Circulação Fetal/terapia , Radiografia , Falha de Tratamento
2.
J Pediatr ; 142(4): 397-401, 2003 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-12712057

RESUMO

OBJECTIVE: To determine the incidence of late pulmonary hypertension (late PH) in congenital diaphragmatic hernia (CDH) and whether prolonged treatment with noninvasive inhaled NO therapy delivered through a nasal cannula (NC) would sustain pulmonary vasodilation during a period of transition from mechanical ventilation to spontaneous breathing. STUDY DESIGN: We collected data on all patients with a diagnosis of CDH admitted to the Children's Hospital, Denver, from January 1996 through December 2001. Patients who had suprasystemic pulmonary hypertension when inhaled NO was discontinued before extubation were treated with inhaled NO delivered with the nasal cannula. RESULTS: Newborn infants (n = 47) with CDH were treated during this time period. Short-term (<3 months) and long-term (>1 year) survival was 85% and 75%, respectively; 30 newborn infants were treated with inhaled NO (64%). Inhaled NO was successfully discontinued in 16 patients before extubation, and 10 (21%) were treated with inhaled NO through NC after extubation because of pulmonary hypertension and marked hypoxemia when trials off inhaled NO were performed. Nasopharyngeal NO concentrations were 5.4 +/- 0.5 ppm and 2.4 +/- 0.4 ppm with inhaled NO measured proximally in the delivery device at 10 and 5 ppm, respectively. CONCLUSIONS: Late PH occurs in a significant subset of newborn infants with CDH. Noninvasive inhaled NO treatment may reduce the duration of mechanical ventilation while safely treating late PH.


Assuntos
Hérnia Diafragmática/complicações , Hérnias Diafragmáticas Congênitas , Hipertensão Pulmonar/tratamento farmacológico , Hipertensão Pulmonar/epidemiologia , Óxido Nítrico/administração & dosagem , Óxido Nítrico/uso terapêutico , Vasodilatadores/administração & dosagem , Vasodilatadores/uso terapêutico , Administração por Inalação , Feminino , Hérnia Diafragmática/terapia , Humanos , Hipertensão Pulmonar/etiologia , Incidência , Recém-Nascido , Masculino , Avaliação de Resultados em Cuidados de Saúde , Estudos Retrospectivos , Fatores de Tempo , Desmame do Respirador
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