Evidence map›Paper›PMID 31567942›Full record

Observational studyMedicine2019

Clinical significance of serum magnesium levels in patients with heart failure with preserved ejection fraction.

Taiki Nishihara, Eiichiro Yamamoto, Daisuke Sueta, Koichiro Fujisue, Hiroki Usuku, Fumi Oike, Masafumi Takae, Yuichiro Arima, Satoshi Araki, Seiji Takashio and 7 more

Abstract readObservational Study
In one paragraph

Observational study in Medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
–field-weighted citation impact
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

16 citing papers in PubMed.

  1. Article
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  8. Review
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  13. Review
  14. Hospital-Acquired Dysmagnesemia and In-Hospital Mortality.Medical sciences (Basel, Switzerland) · 2020
    Article
  15. Article
  16. 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

17 authors.

Taiki NishiharaDepartment of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Science and Center for Metabolic Regulation of Healthy Aging (CMHA), Kumamoto University, Kumamoto, Japan.
Eiichiro Yamamoto
Daisuke Sueta
Koichiro Fujisue
Hiroki Usuku
Fumi Oike
Masafumi Takae
Yuichiro Arima
Satoshi Araki
Seiji Takashio
Taishi Nakamura
Satoru Suzuki
Kenji Sakamoto
Hirofumi Soejima
Hiroaki Kawano
Koichi Kaikita
Kenichi Tsujita

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Although serum magnesium (Mg) levels are closely associated with the prognosis of heart failure (HF) patients, the clinical significance of sMg levels on the cardiovascular outcomes of HF with preserved ejection fraction (HFpEF) patients is not fully understood. This study was a retrospective, single-center, observational study. We enrolled 452 consecutive HFpEF patients admitted to Kumamoto University Hospital. We defined lower sMg as <2.0 mg/dl (=0.8 mmol/L) based on recent clinical evidence and compared their clinical characteristics and prognosis. There were no significant differences between groups in the use of all medications (loop diuretics, mineralocorticoid receptor antagonists, renin-angiotensin-aldosterone system inhibitors, calcium channel blockers, beta blockers, statins, and Mg preparations). The lower sMg group showed a significantly higher prevalence of diabetes mellitus (DM), uric acid levels, and BNP levels compared with the higher sMg group. Kaplan-Meier curve revealed a significantly higher probability of HF-related events in the lower sMg group compared with the higher sMg group (log-rank test, P = .012). Multivariate Cox-proportional-hazard analysis revealed that the lower sMg group had significantly and independently higher probabilities of HF-related events compared with the higher sMg group (hazard ratio = 2.37, 95% confidence intervals = 1.27-4.41, P = .007). We reclassified the risk of HF-related events after adding the lower sMg to the other prognostic factors (age, previous hospitalization for HF, DM, Ln-BNP); the continuous net reclassification improvement was 29.0% (P = .041). sMg levels might provide important prognostic information in regard to HFpEF.

Indexed as

Stroke VolumeAgedEchocardiographyFemaleHeart FailureHumansJapanMagnesiumMaleProportional Hazards ModelsRetrospective StudiesRisk FactorsSurvival AnalysisMagnesium

Identifiers

PMID31567942
PMCPMC6756625

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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.