The Ratio of Urine N-Terminal Pro B-Type Natriuretic Peptide to Cyclic Guanosine Monophosphate Predicts Emergency Department Visits for Heart Failure

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Abstract

Introduction: Emergency department (ED) visits for decompensated heart failure (HF) are frequent and associated with poor long-term outcomes. Plasma N-terminal pro B-type natriuretic peptide (NT-proBNP) and cyclic guanosine monophosphate (cGMP) are used in diagnosis and prognosis of HF patients, while clinical values of urine NT-proBNP/cGMP ratio have been rarely explored. This study aims to compare the predictive values of urine NT-proBNP/cGMP ratio versus plasma NT-proBNP for ED visits for decompensated HF. Methods: This prospective study included 126 HF patients with reduced left ventricular ejection fraction (<50%) and without chronic kidney disease. Baseline data included demographics, co-morbidities, and co-medications. Medical records were used to determine the incidence of ED visits for decompensated HF during the 3 months following the last visit. Results: Patients with subsequent ED visits had significantly higher levels of plasma and urine NT-proBNP and urine cGMP in than those without. Multivariate Cox regression analysis disclosed that Lg10urine NT-proBNP/cGMP was an independent risk factor for subsequent ED visits (OR = 3.267; 95% CI: 1.105-9.663; p = 0.032). ROC analysis revealed an Lg10urine NT-proBNP/cGMP ratio optimal cut-off value of 0.1706 (AUC, 0.700; 95% CI: 0.543-0.857; p = 0.036) for predicting subsequent HF-related ED visits. Conclusion: A single measurement of urinary NT-proBNP/cGMP ratio is predictive of subsequent ED visits for decompensated HF. This noninvasive and easy measurement may be a clinically useful tool for identifying a subset of patients at higher risk of ED visits.

Original languageEnglish
Pages (from-to)539-546
Number of pages8
JournalCardiology (Switzerland)
Volume147
Issue number5-6
DOIs
Publication statusPublished - 2022 Dec 1

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine
  • Pharmacology (medical)

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