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ArticleClinical research in cardiology : official journal of the German Cardiac Society2013

Outcomes of correcting hyponatremia in patients with myocardial infarction.

Waqas Qureshi, Syed Hassan, Fatima Khalid, Mohamed Faher Almahmoud, Bhavik Shah, Ra'ad Tashman, Nikhil Ambulgekar, Mostafa El-Refai, Chetan Mittal, Zaid Alirhayim

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Article in Clinical research in cardiology : official journal of the German Cardiac Society, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 2 of them syntheses that pooled it.

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10citing papers in PubMed, 2 pooled it
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10 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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5 · Who and what money

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10 authors.

Waqas QureshiDepartment of Internal Medicine, Henry Ford Health Systems/Wayne State University School of Medicine, 2799 W Grand Blvd, CFP-1, Detroit, MI 48202, USA.
Syed Hassan
Fatima Khalid
Mohamed Faher Almahmoud
Bhavik Shah
Ra'ad Tashman
Nikhil Ambulgekar
Mostafa El-Refai
Chetan Mittal
Zaid Alirhayim

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHyponatremia has significant prognostic implications in patients with heart, failure. However, little data are available regarding its significance in patients presenting with myocardial infarction. In addition, it is not known if correction of hyponatremia impacts outcomes in these patients. The aim of this study was to evaluate the prognostic value of hyponatremia in patients with myocardial infarction and the effect of its correction on all-cause mortality.

methodsPatients with the discharge diagnosis of myocardial infarction at our institution between 2000 and 2010 with serum sodium levels measured within 24 h of admission were included in this retrospective analysis. Multivariate analysis was used to determine the predictors of all-cause mortality. Cox proportional hazard model was applied to determine the adjusted survival.

resultsA total of 11,562 patients (67.15 ± 14.6 years, males 56.3 %) were included in the analysis. There were a total of 1,535 (13.3 %) deaths within mean follow-up duration of 5.5 ± 3.3 years. There were 425 (27.9 %) deaths in patients with corrected hyponatremia and 155 (55.3 %) deaths in persistent hyponatremia patients. Multivariate analysis indicated that corrected hyponatremia and persistent hyponatremia were independent predictors of all cause mortality (p < 0.0001). When analyzing short-term (30 days) and long-term mortality, corrected hyponatremia group did not have associated long term mortality. Various methods to correct hyponatremia were also analyzed and use of vaptans was associated with decrease in mortality in patients with hyponatremia from 115 to 125 (HR 0.45; 95 % CI 0.26-0.78, p = 0.005).

conclusionOur analysis showed that corrected and persistent hyponatremia in patients presenting with myocardial infarction is a predictor of all-cause mortality, major adverse cardiac events and heart failure related 30 day rehospitalization. In certain cases, correction of hyponatremia may actually improve survival of the patients.

Indexed as

AgedAged, 80 and overBiomarkersChi-Square DistributionFemaleHumansHyponatremiaKaplan-Meier EstimateMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionProportional Hazards ModelsRetrospective StudiesRisk FactorsSodiumBiomarkersSodium

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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.