期刊
ULTRASOUND IN OBSTETRICS & GYNECOLOGY
卷 48, 期 3, 页码 333-339出版社
WILEY
DOI: 10.1002/uog.15884
关键词
consensus; definition; Delphi; fetal growth restriction; placenta; placenta-based FGR
Objective To determine, by expert consensus, a definition for early and late fetal growth restriction (FGR) through a Delphi procedure. Method A Delphi survey was conducted among an international panel of experts on FGR. Panel members were provided with 18 literature-based parameters for defining FGR and were asked to rate the importance of these parameters for the diagnosis of both early and late FGR on a 5-point Likert scale. Parameters were described as solitary parameters (parameters that are sufficient to diagnose FGR, even if all other parameters are normal) and contributory parameters (parameters that require other abnormal parameter(s) to be present for the diagnosis of FGR). Consensus was sought to determine the cut-off values for accepted parameters. Results A total of 106 experts were approached, of whom 56 agreed to participate and entered the first round, and 45 (80%) completed all four rounds. For early FGR (<32 weeks), three solitary parameters (abdominal circumference (AC) <3rd centile, estimated fetal weight (EFW)<3rd centile and absent end-diastolic flow in the umbilical artery (UA)) and four contributory parameters (AC or EFW <10th centile combined with a pulsatility index (PI)>95th centile in either the UA or uterine artery) were agreed upon. For late FGR (>= 32 weeks), two solitary parameters (AC or EFW <3rd centile) and four contributory parameters (EFW or AC <10th centile, AC or EFW crossing centiles by >two quartiles on growth charts and cerebroplacental ratio <5th centile or UA-PI >95th centile) were defined. Conclusion Consensus-based definitions for early and late FGR, as well as cut-off values for parameters involved, were agreed upon by a panel of experts. Copyright (C) 2016 ISUOG. Published by John Wiley & Sons Ltd.
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