Document Detail


The impact of maternal ketonuria on fetal test results in the setting of postterm pregnancy.
MedLine Citation:
PMID:  11262477     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: The aim of this study was to determine whether ketonuria, a commonly assessed urinary marker of maternal starvation and dehydration, is associated with abnormal fetal test results in the setting of postterm pregnancy. STUDY DESIGN: During a 4-year period (January 1993-December 1996), a total of 3655 visits for antepartum maternal-fetal testing of postterm pregnancies (> or =41 weeks' gestation) occurred at our institution. Maternal assessment included vital signs and urinalysis. The presence and degree of maternal ketonuria was correlated against abnormal results of fetal heart rate tests, nonstress tests, amniotic fluid index measurements, and biophysical profile scores performed on the same day. RESULTS: There were 3601 encounters suitable for inclusion in the study. Clinically detectable ketonuria occurred in 10.9% of the patients studied. Patients with clinically detectable ketonuria were at increased risk relative to patients without ketonuria for abnormal outcomes during postterm testing, including the presence of oligohydramnios (24% vs. 9.3%; P<.0001 ), nonreactive nonstress tests (6.2% vs. 2.15%; P<.0001), and fetal heart rate decelerations (14% vs 9.2%; P =.0039 ). CONCLUSION: Maternal ketonuria among patients with postterm pregnancy was associated with a >2-fold increase in the occurrence of oligohydramnios, a 3-fold increase in nonreactive nonstress tests, and a significant increase in fetal heart rate decelerations. Further studies are required to evaluate the potential benefits of treating ketonuria before fetal testing.
Authors:
C I Onyeije; M Y Divon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  184     ISSN:  0002-9378     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  2001 Mar 
Date Detail:
Created Date:  2001-03-23     Completed Date:  2001-04-26     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  713-8     Citation Subset:  AIM; IM    
Affiliation:
Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology and Women's Health, Lenox Hill Hospital, Albert Einstein College of Medicine, NY 10021, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Amniotic Fluid
Analysis of Variance
Body Weight
Dehydration / complications
Female
Gestational Age
Heart Rate, Fetal*
Humans
Ketone Bodies / urine*
Linear Models
Oligohydramnios / etiology*
Parity
Pregnancy
Pregnancy, Prolonged / urine*
Specific Gravity
Urinalysis
Chemical
Reg. No./Substance:
0/Ketone Bodies
Comments/Corrections
Comment In:
Am J Obstet Gynecol. 2002 Nov;187(5):1425; author reply 1425   [PMID:  12439543 ]

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