Document Detail


Can tissue oxygenation index (TOI) and cotside neurophysiological variables predict outcome in depressed/asphyxiated newborn infants?
MedLine Citation:
PMID:  17052867     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Diagnostic tools of birth asphyxia provide only an uncertain prediction of neurological outcome. AIMS: To assess whether TOI and DeltaCBV, combined with a set of biochemical and neurophysiological variables, have any diagnostic and prognostic value in birth depression or asphyxia. STUDY DESIGN: Case control study at the nursery and NICU of the Padova University Children's Hospital. SUBJECTS: 22 term neonates with an Apgar score < or = 6 at 5', a 1-h umbilical artery pH value < or = 7.25 with an increased base deficit and a gestational age > or = 36 weeks; 15 healthy term infants with an Apgar score > or = 9 at 5'. OUTCOME MEASURES: Troponin I and NIRS measurements (TOI and DeltaCBV) were assessed in both groups. Blood gases, neurological evaluation, US, NIRS, EEG and SEP were evaluated in the infants with depression or asphyxia. RESULTS: Troponin I was higher in the study group than in controls (p=0.04), showing a correlation with base excess values. In the depressed/asphyxiated neonates with an abnormal outcome at 1 year, TOI rose to 80.1% vs 66.4% in controls (p=0.04) and 74.7% in infants with a normal 1-year outcome. A multiple regression model showed a significant multiple correlation coefficient, R=0.79, p<0.001, where the predictive variables significantly associated with outcome were SEP and BE. CONCLUSIONS: Troponin I is a useful short-term index of birth asphyxia or perinatal depression. An increased TOI suggests a risk of abnormal neurological outcome at 1 year. Among the cotside variables, BE and evoked potential abnormalities were the best predictors of abnormal outcome in this study.
Authors:
Patrizia Zaramella; Elisabetta Saraceni; Federica Freato; Elena Falcon; Agnese Suppiej; Anna Milan; Anna Maria Laverda; Lino Chiandetti
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2006-10-18
Journal Detail:
Title:  Early human development     Volume:  83     ISSN:  0378-3782     ISO Abbreviation:  Early Hum. Dev.     Publication Date:  2007 Aug 
Date Detail:
Created Date:  2007-07-31     Completed Date:  2007-10-11     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7708381     Medline TA:  Early Hum Dev     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  483-9     Citation Subset:  IM    
Affiliation:
Department of Paediatrics, Neonatal Intensive Care Unit, University of Padova, Via Giustiniani, 3, 35128 Padova, Italy. zaramella@pediatria.unipd.it
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MeSH Terms
Descriptor/Qualifier:
Asphyxia Neonatorum / diagnosis*,  metabolism*
Case-Control Studies
Humans
Infant, Newborn
Nervous System Physiological Phenomena*
Oxygen / metabolism*
Prognosis
Chemical
Reg. No./Substance:
7782-44-7/Oxygen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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