Document Detail


Three-dimensional ultrasound fetal lung volumes and infant respiratory outcome: a prospective observational study.
MedLine Citation:
PMID:  21291507     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Please cite this paper as: Prendergast M, Rafferty G, Davenport M, Persico N, Jani J, Nicolaides K, Greenough A. Three-dimensional ultrasound fetal lung volumes and infant respiratory outcome: a prospective observational study. BJOG 2011; DOI: 10.1111/j.1471-0528.2010.02841.x. Objective  To determine if fetal lung volumes (FLVs), determined by three-dimensional rotational ultrasound and virtual organ computer-aided analysis software (vocal), correlated with neonatal respiratory outcomes in surviving infants who had a high risk [fetuses with congenital diaphragmatic hernia (CDH)], lower risk [fetuses with anterior wall defects (AWDs)] and no risk (controls) of abnormal antenatal lung growth. Design  Prospective observational study. Setting  Tertiary fetal medicine and neonatal intensive care units. Population  Sixty fetuses (25 with CDH, 25 with AWDs and ten controls). Methods  FLVs were measured and expressed as the percentage of the observed compared with the expected for gestational age. Main outcome measures  Neonatal respiratory outcome was determined by the duration of supplemental oxygen, mechanical ventilation and dependencies, and assessment of lung volume using a gas dilution technique to measure functional residual capacity (FRC). Results  The infants with CDH had lower FLV results than both the infants with AWDs (P = 0.05) and the controls (P < 0.05). The infants with CDH had longer durations of mechanical ventilation (P < 0.001) and supplementary oxygen (P < 0.001) dependence, compared with infants with AWDs. The infants with CDH had a lower median FRC than both the infants with AWDs (P < 0.001) and the controls (P < 0.001). FLV results correlated significantly with the durations of dependency on ventilation (r = -0.744, P < 0.01) and oxygen (r = -0.788, P < 0.001), and with FRC results (r = 0.429, P = 0.001). Conclusions  These results suggest that FLVs obtained using three-dimensional rotational ultrasound might be useful in predicting neonatal respiratory outcome in surviving infants who had varying risks of abnormal lung growth. Larger and more comprehensive studies are needed to clarify the role that lung volume measurements have in assessing lung function and growth.
Authors:
M Prendergast; Gf Rafferty; M Davenport; N Persico; J Jani; K Nicolaides; A Greenough
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-4
Journal Detail:
Title:  BJOG : an international journal of obstetrics and gynaecology     Volume:  -     ISSN:  1471-0528     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100935741     Medline TA:  BJOG     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 The Authors BJOG An International Journal of Obstetrics and Gynaecology © 2011 RCOG.
Affiliation:
Division of Asthma, Allergy and Lung Biology, MRC and Asthma UK Centre in Allergic Mechanisms of Asthma, King's College London, London, UK Department of Paediatric Surgery Harris Birthright Fetal Assessment Unit, King's College Hospital, London, UK Department of Obstetrics and Gynaecology, University Hospital Brugmann, Brussels, Belgium.
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