The usefulness of selected biomarkers in patients with valve disease

Piotr Duchnowski1, Tomasz Hryniewiecki1, Mariusz Kuśmierczyk2

  • 1Department of Acquired Cardiac Defects, Institute of Cardiology,  Warsaw, Poland.

Biomarkers in Medicine
|December 7, 2018
PubMed

Insights

Biomarkers like high-sensitivity C-reactive protein and red cell distribution width predict poor outcomes in valve surgery patients. These findings aid in assessing risks for patients undergoing cardiac valve procedures.

Area of Science:

  • Cardiology
  • Biomarker Research
  • Surgical Outcomes

Background:

  • Cardiac valve surgery is a critical intervention for significant valve defects.
  • Identifying prognostic factors is essential for optimizing patient management and outcomes.
  • Pre-operative and peri-operative biomarkers may offer valuable predictive information.

Purpose of the Study:

  • To evaluate the prognostic significance of specific biomarkers in patients undergoing valve surgery.
  • To identify predictors of major adverse events within 30 days post-surgery.

Main Methods:

  • A prospective study included 416 consecutive patients undergoing elective valve repair or replacement.
  • The primary endpoint was defined as any major adverse event, including 30-day mortality.
  • Multivariate analysis was employed to identify independent predictors.

Main Results:

  • The composite endpoint occurred in 81 patients (19.5%).
  • High-sensitivity C-reactive protein (hs-CRP), red cell distribution width (RDW), and red blood cell count (RBC) were identified as independent predictors.
  • Elevated hs-CRP (p=0.03), RDW (p=0.0001), and RBC count (p=0.005) were significantly associated with adverse outcomes.

Conclusions:

  • Elevated hs-CRP, RDW, and RBC count are associated with poorer outcomes after valve surgery.
  • These biomarkers can aid in risk stratification for patients undergoing cardiac valve procedures.
  • Further research could explore the clinical utility of these markers in guiding treatment decisions.
Abstract

Related Concept Videos

Heart Valves01:16

Heart Valves

The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
12.1K
What is Natural Selection?01:32

What is Natural Selection?

Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
129.1K
Antibiotic Selection00:57

Antibiotic Selection

Overview
59.9K
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
521
Types of Selection01:46

Types of Selection

Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
45.0K
Frequency-dependent Selection01:21

Frequency-dependent Selection

When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
24.0K