title: Factors associated with failure in ventilatory weaning of children undergone pediatric cardiac surgery.
abstract: OBJECTIVE
  To assess factors associated with failure in ventilatory weaning of children undergone surgical correction of congenital heart diseases.
  
  
  METHODS
  Cohort study with 29 children. The heart diseases were divided into cyanotic (nine children) and acyanotic (20 children). We studied children from 0 to 5 years who underwent heart surgery with invasive mechanical ventilation.
  
  
  RESULTS
  The failure group presented smaller value in SpO2 and higher values during days of stay in IMV and FiO2 when compared to the success group (P<0.05). It was observed that 4 children (14%) had failed in weaning, being necessary to return the ventilatory prosthesis before 48 hours after extubation.
  
  
  CONCLUSIONS
  The days of IMV, SpO2 and FiO2 were the main factors associated with failed extubation in this group of patients.
authors.affiliation: Methodist University IPA Santo Antônio Children's Hospital, Santa Casa, Porto Alegre, Brazil.
authors.forename: Zuleica Menezes
authors.initials: ZM
authors.lastname: Silva
authors.forename: Angela
authors.initials: A
authors.lastname: Perez
authors.forename: Anelise Dentzien
authors.initials: AD
authors.lastname: Pinzon
authors.forename: Claudia Pires
authors.initials: CP
authors.lastname: Ricachinewsky
authors.forename: Daniele Ruzzante
authors.initials: DR
authors.lastname: Rech
authors.forename: Janice Luisa
authors.initials: JL
authors.lastname: Lukrafka
authors.forename: Paula Maria Eidt
authors.initials: PM
authors.lastname: Rovedder
mesh_terms: D001784:Blood Gas Analysis; D002675:Child, Preschool; D004812:Epidemiologic Methods; D005260:Female; D006330:Heart Defects, Congenital / Q000097:blood / Q000145:classification / Q000601:surgery*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012121:Respiration, Artificial; D013997:Time Factors; D017211:Treatment Failure; D015300:Ventilator Weaning