Evidence map›Paper›PMID 19897787›Full record

ArticleReproductive sciences (Thousand Oaks, Calif.)2010

Differential effects of clinical doses of antenatal betamethasone on nephron endowment and glomerular filtration rate in adult sheep.

Jie Zhang, G Angela Massmann, James C Rose, Jorge P Figueroa

Abstract read
In one paragraph

Article in Reproductive sciences (Thousand Oaks, Calif.), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 2 pooled it
4.2field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 2 syntheses or guidelines pooled it, 41 citations in OpenAlex.

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  15. Antenatal betamethasone exposure is associated with lower ANG-(1-7) and increased ACE in the CSF of adult sheep.American journal of physiology. Regulatory, integrative and comparative physiology · 2013
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  17. Antenatal betamethasone has a sex-dependent effect on the in vivo response to endothelin in adult sheep.American journal of physiology. Regulatory, integrative and comparative physiology · 2013
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Jie ZhangPerinatal Research Laboratory, Department of Obstetrics and Gynecology, Center for Research in Obstetrics and Gynecology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157, USA.
G Angela Massmann
James C Rose
Jorge P Figueroa
Wake Forest University · US

Funding

Prenatal Glucocorticoid and Postnatal Blood PressureR01HL068728 · NHLBI · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI FIGUEROA, JORGE PABLO · 2002 to 2013
$3.3M
FETAL ENDOCRINE-CARDIOVASCULAR RELATIONSHIPSR01HD017644 · NICHD · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI ROSE, JAMES C. · 1985 to 2011
$2.8M
NHLBI NIH HHS HL 68728NHLBI NIH HHS R01 HL068728NICHD NIH HHS P01HD04784NICHD NIH HHS R01 HD017644
6 · The paper itself

Abstract

Antenatal steroid administration is associated with alterations in fetal kidney development and hypertension. However, a causal relationship between nephron deficit and hypertension has not been established. In this study, we measured nephron number, renal function, and blood pressure in sheep exposed antenataly to betamethasone. Pregnant sheep were given 2 betamethasone doses (0.17 mg/kg) or vehicle at 80 and 81 days gestational age and allowed to deliver at term. Data were obtained from a fetal cohort and 2 adult cohorts and were analyzed by analysis of variance (ANOVA) and/or 2 sample t test. Antenatal betamethasone induced a 26% reduction in the number of nephrons in both males and females in the absence of intrauterine growth restriction and/or prematurity. Adult males presented a reduction in glomerular filtration rate (GFR; 132 +/- 12.7 vs 114 +/- 7.0 mL/min, P < .05). Betamethasone administration was also associated with an increase in arterial blood pressure of similar magnitude in male (mean arterial pressure [MAP] in mm Hg; 98 +/- 2.7 vs 105 +/- 2.4) and female (96 +/- 1.9 vs 105 +/- 2.4) adult sheep and the increase in blood pressure preceded the decrease in GFR in the males. Furthermore, we found no significant association between the magnitude of the decrease in nephron number and the magnitude of the increase in arterial blood pressure. Our data thus support the conclusion that exposure to glucocorticoids at a time of rapid kidney growth is associated with an elevation in blood pressure that does not appear related solely to the reduction in nephron number.

Indexed as

Age FactorsAnimalsBetamethasoneBlood PressureDose-Response Relationship, DrugFemaleGestational AgeGlomerular Filtration RateGlucocorticoidsHypertension, RenalInulinKidney Function TestsMaleNephronsp-Aminohippuric AcidPregnancyBetamethasoneGlucocorticoidsInulinp-Aminohippuric Acid

Identifiers

PMID19897787
PMCPMC3232065
OpenAlexW2060324713

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.