Prognostic value of natriuretic peptides and restrictive filling pattern before surgical ventricular restoration

Anna Toso1, Serenella Castelvecchio2, Lorenzo Menicanti2

  • 1Division of Cardiology, Santo Stefano Hospital, Prato, Italy.

Insights

Combining elevated natriuretic peptide levels and a restrictive filling pattern (RFP) significantly improves risk prediction for patients with ischemic cardiomyopathy undergoing surgical ventricular restoration, identifying those at highest risk.

Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Biomarkers

Background:

  • Increased natriuretic peptide levels and restrictive filling pattern (RFP) are known risk predictors in heart failure.
  • Prognostic stratification in ischemic cardiomyopathy post-surgical ventricular restoration (SVR) requires refined methods.

Purpose of the Study:

  • To evaluate the combined prognostic value of natriuretic peptide levels and RFP in patients with ischemic cardiomyopathy undergoing SVR.
  • To assess if combined markers improve risk stratification compared to individual markers.

Main Methods:

  • 186 patients undergoing SVR had baseline echocardiography and N-terminal pro-B-type natriuretic peptide (NT-proBNP) assays.
  • Patients were grouped by NT-proBNP levels (upper tertile vs. lower) and RFP (E/A ratio ≥2).
  • 36-month follow-up analyzed all-cause death or heart failure hospitalizations.

Main Results:

  • High NT-proBNP and RFP, individually, were significant predictors of adverse outcomes (P < .0001).
  • The combination of high NT-proBNP and RFP showed the highest adjusted hazard for adverse events (HR, 3.63; P < .0001).
  • Distinct clinical and structural patterns were observed across the four groups.

Conclusions:

  • Simultaneous use of NT-proBNP and RFP offers enhanced prognostic stratification for patients with ischemic cardiomyopathy undergoing SVR.
  • This combined approach aids in characterizing distinct patient phenotypes and guiding treatment decisions.
Abstract

Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
406
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
129
Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
646