Cardiac troponin and outcome in decompensated heart failure with preserved ejection fraction

Mohammad Thawabi1, Amer Hawatmeh1, Sarah Studyvin1

  • 1Department of cardiology, Newark Beth Israel Medical Center, Newark, New Jersey, USA.

Insights

Elevated cardiac troponin I levels in hospitalized heart failure with preserved ejection fraction patients indicate a higher risk of mortality. This finding highlights troponin

Area of Science:

  • Cardiology
  • Biomarkers
  • Heart Failure Research

Background:

  • Cardiac troponin (cTn) is a known prognostic marker in heart failure with reduced ejection fraction.
  • The prognostic significance of cTn in heart failure with preserved ejection fraction (HFpEF) remains unclear.
  • This study investigates the role of troponin I in hospitalized HFpEF decompensation.

Purpose of the Study:

  • To determine the prognostic value of troponin I in patients hospitalized for HFpEF decompensation.
  • To compare mortality rates between HFpEF patients with and without elevated troponin I levels.

Main Methods:

  • Included 363 consecutive patients hospitalized for HFpEF decompensation without acute coronary syndrome.
  • Compared outcomes between patients with elevated troponin I (≥0.04 ng/mL) and normal troponin I levels.
  • Primary outcome: all-cause mortality at short, intermediate, and long-term follow-up.

Main Results:

  • Nearly half of the HFpEF cohort had elevated troponin I levels.
  • Elevated troponin I was significantly associated with increased 30-day, 1-year, and 2-year mortality.
  • Elevated troponin I independently predicted mortality in HFpEF decompensation.

Conclusions:

  • Elevated troponin I levels are associated with significantly higher mortality in hospitalized HFpEF patients.
  • Troponin I elevation serves as a crucial prognostic indicator in HFpEF decompensation.
Abstract

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