Evidence map›Paper›PMID 27271477›Full record

Observational studyAnatolian journal of cardiology2016

Assessment of 25-OH vitamin D levels and abnormal blood pressure response in female patients with cardiac syndrome X.

Gamze Babür Güler, Ekrem Güler, Suzan Hatipoğlu, Hacı Murat Güneş, Çetin Geçmen, Gültekin Günhan Demir, İrfan Barutçu

Open access · diamondAbstract readObservational Study
In one paragraph

Observational study in Anatolian journal of cardiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
1.0field-weighted citation impact, top 24% 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

4 citing papers in PubMed, 7 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Does the Access to Sun Exposure Ensure Adequate Levels of 25-Hydroxyvitamin D?Revista brasileira de ginecologia e obstetricia : revista da Federacao Brasileira das Sociedades de Ginecologia e Obstetricia · 2017
    Article
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

7 authors at 1 institution in 1 country.

Gamze Babür GülerDepartment of Cardiology, Faculty of Medicine, Medipol University, İstanbul-Turkey. gamzebabur@hotmail.com.
Ekrem GülerDepartment of Cardiology, Faculty of Medicine, Medipol University, İstanbul-Turkey.
Suzan HatipoğluClinic of Cardiology, Ersoy Hospital, İstanbul-Turkey.
Hacı Murat GüneşDepartment of Cardiology, Faculty of Medicine, Medipol University, İstanbul-Turkey.
Çetin GeçmenDepartment of Cardiology, Kartal Koşuyolu Heart Center, İstanbul-Turkey.
Gültekin Günhan DemirDepartment of Cardiology, Faculty of Medicine, Medipol University, İstanbul-Turkey.
İrfan BarutçuDepartment of Cardiology, Faculty of Medicine, Medipol University, İstanbul-Turkey.
Istanbul Medipol University · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveVitamin D deficiency is associated with coronary artery disease, hypertension, heart failure, endothelial dysfunction, and metabolic syndrome. The pathophysiology of cardiac syndrome X (CSX) involves many pathways that are influenced by vitamin D levels. This study aimed to investigate the relationship between vitamin D deficiency and abnormal blood pressure response to exercise in patients with CSX.

methodsThis was a cross-sectional and observational study. Fifty females with normal epicardial coronary arteries who presented with typical symptoms of rest or effort angina and 41 healthy age-matched female controls, were included. Patients with cardiomyopathy, severe valvular disease, congenital heart disease, and left ventricular hypertrophy were excluded. All patients underwent stress electrocardiography examination and 25-hydroxy (OH) vitamin D level measurements.

resultsLevels of 25-OH vitamin D were significantly lower in CSX patients (9.8±7.3 ng/mL vs. 18.1±7.9 ng/mL; p<0.001). Systolic blood pressure (SBP) (188±15 mm Hg vs. 179±17 mm Hg; p=0.013) and diastolic blood pressure (DBP) (98±9 mm Hg vs. 88±9 mm Hg; p<0.001) during peak exercise were higher in CSX patients. Levels of 25-OH vitamin D were negatively correlated with peak SBP (r=-0.310, p=0.004) and peak DBP (r=-0.535, p<0.001) during exercise. To discard the multicollinearity problem, two different models were used for multivariate analyses. In the first model, metabolic equivalents (METs) (p=0.003) and 25-OH vitamin D levels (p=0.001) were independent predictors. METs (p=0.007), 25-OH vitamin D levels (p=0.008), and peak DBP were determined as independent predictors in the second multivariate model.

conclusionIn patients with CSX, 25-OH vitamin D levels were lower than those in controls; moreover, 25-OH vitamin D deficiency was also associated with higher levels of peak DBP during exercise.

Indexed as

Blood PressureCase-Control StudiesCross-Sectional StudiesFemaleHumansMicrovascular AnginaVitamin DVitamin D DeficiencyVitamin D

Identifiers

PMID27271477
PMCPMC5324918
OpenAlexW2344800238

What OpenQuestion holds

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LicenceCC BY-NC-SA
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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.