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J Matern Fetal Neonatal Med ; 25(12): 2756-61, 2012 Dec.
Article in English | MEDLINE | ID: mdl-22881718

ABSTRACT

BACKGROUND: Low cardiac output syndrome (LCOS) remains a major perioperative complications in infants subjected to open-heart surgery with cardiopulmonary bypass (CPB). The present study investigated whether perioperative blood assessment of a potent vasoactive peptide namely adrenomedullin (AM) can predict the risk of LCOS. METHODS: We measured AM levels in 48 patients (LCOS: n = 9; controls: n = 39) undergone to open-heart surgery with CPB at five predetermined time points before, during and after the surgery. Clinical, laboratory and perioperative data were analyzed by a multiple logistic regression model. RESULTS: AM significantly decreased (p < 0.01) during and after the surgical procedure exhibiting a dip at the end of the CPB. Multivariable analysis demonstrated significant correlations among LCOS, AM measured at the end of CPB (p < 0.001), and cooling duration (p < 0.05). AM at 27 pg/L cutoff achieved a sensitivity of 100% and a specificity of 64.1%, while cooling at 11-min cutoff combined a sensitivity of 55.6% and a specificity of 92.3% for LCOS prediction. CONCLUSIONS: This study suggests that AM can constitute, alone or combined with standard parameters, a promising predictor of LCOS in infants subjected to open-heart surgery with CPB.


Subject(s)
Adrenomedullin/blood , Cardiac Output, Low/blood , Cardiac Output, Low/diagnosis , Cardiac Output, Low/etiology , Cardiopulmonary Bypass/adverse effects , Heart Defects, Congenital/surgery , Adrenomedullin/analysis , Age Factors , Cardiac Output, Low/epidemiology , Cardiopulmonary Bypass/statistics & numerical data , Case-Control Studies , Female , Heart Defects, Congenital/blood , Heart Defects, Congenital/diagnosis , Heart Defects, Congenital/epidemiology , Humans , Infant , Infant, Newborn , Male , Postoperative Complications/blood , Postoperative Complications/congenital , Postoperative Complications/diagnosis , Postoperative Complications/epidemiology , Prognosis , Sensitivity and Specificity
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