Evidence map›Paper›PMID 23942654›Full record

ArticleAmerican journal of hypertension2013

Plasma bicarbonate and odds of incident hypertension.

Ernest I Mandel, John P Forman, Gary C Curhan, Eric N Taylor

Open access · bronzeAbstract read
In one paragraph

Article in American journal of hypertension, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
1.8field-weighted citation impact, top 15% 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

21 citing papers in PubMed, 32 citations in OpenAlex.

  1. Review
  2. Dietary acid load in health and disease.Pflugers Archiv : European journal of physiology · 2024
    Review
  3. Article
  4. Article
  5. Article
  6. COStroke and vascular neurology · 2021
    Article
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  11. Review
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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 3 institutions in 1 country.

Ernest I MandelRenal Division, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts.
John P Forman
Gary C Curhan
Eric N Taylor
Brigham and Women's Hospital · USHarvard University · USMaine Medical Center · US

Funding

Statistical MethodsP01CA087969 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI TWOROGER, SHELLEY S · 2000 to 2019
$77.8M
BIOCHEMICAL MARKERS IN THE NURSES'HEALTH STUDY COHORTR01CA049449 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI HANKINSON, SUSAN E · 1989 to 2008
$11.3M
TRAINING PROGRAM IN ACADEMIC NEPHROLOGYT32DK007527 · NIDDK · BRIGHAM AND WOMEN'S HOSPITAL · PI BONVENTRE, JOSEPH VINCENT · 1986 to 2021
$8.8M
BIOCHEMICAL MARKERS IN THE NURSES HEALTH STUDY COHORTU01CA049449 · NCI · UNIVERSITY OF MASSACHUSETTS AMHERST · PI HANKINSON, SUSAN E · 1995 to 2013
$5.4M
Acid-base status and the development of hypertension and diabetesR01DK084019 · NIDDK · BRIGHAM AND WOMEN'S HOSPITAL · PI TAYLOR, ERIC N · 2009 to 2012
$1.9M
Sex-related differences in incidence rates of nephrolithiasisK24DK091417 · NIDDK · BRIGHAM AND WOMEN'S HOSPITAL · PI CURHAN, GARY C. · 2011 to 2020
$1.5M
NCI NIH HHS CA49449NCI NIH HHS CA87969NCI NIH HHS P01 CA087969NCI NIH HHS R01 CA049449NCI NIH HHS U01 CA049449NIDDK NIH HHS DK007527NIDDK NIH HHS DK84019NIDDK NIH HHS DK91417NIDDK NIH HHS K24 DK091417NIDDK NIH HHS R01 DK084019NIDDK NIH HHS T32 DK007527
6 · The paper itself

Abstract

backgroundSeveral biomarkers of metabolic acidosis, including lower plasma bicarbonate, have been associated with prevalent hypertension in cross-sectional studies. We sought to examine prospectively whether lower plasma bicarbonate is associated with incident hypertension.

methodsWe conducted a prospective case-control study nested within the Nurses' Health Study II. Plasma bicarbonate was measured in 695 nonobese women without hypertension at time of blood draw who subsequently developed hypertension during 6 years of follow-up. Control subjects were matched to case subjects according to age, race, time and day of blood draw, and day of menstrual cycle. We used unconditional logistic regression to generate odds ratios (ORs) for development of hypertension by quintile of baseline plasma bicarbonate.

resultsAfter adjusting for matching factors, body mass index, family history of hypertension, plasma creatinine, and dietary and lifestyle factors, higher plasma bicarbonate was associated with lower odds of developing hypertension across quintiles (P for linear trend = 0.04). Those in the highest compared with the lowest quintile of plasma bicarbonate had 31% lower odds of developing hypertension (OR = 0.69; 95% confidence interval = 0.48-0.99). Further adjustment for diet-estimated net endogenous acid production, plasma insulin, 25-hydroxyvitamin D, and uric acid did not alter these findings.

conclusionsOur case-control study is consistent with a modest association between higher plasma bicarbonate and reduced odds of developing hypertension among nonobese women, although our findings are of borderline statistical significance. Further research is required to confirm this finding as part of a larger prospective cohort study and to elucidate the mechanism for this relation.

Indexed as

AdultBicarbonatesBiomarkersBostonBuffersCase-Control StudiesFemaleFollow-Up StudiesHumansHypertensionIncidenceMiddle AgedNursesPrevalenceProspective StudiesBicarbonatesBiomarkersBuffersacidosisbicarbonateblood pressurehypertensionrisk factortotal CO2.

Identifiers

PMID23942654
PMCPMC3816626
OpenAlexW2167565273

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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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.