[Metabolic changes in blood cells in various forms of ischemic heart disease]

Voprosy Meditsinskoi Khimii
|January 1, 1984
PubMed

Insights

Enzymatic activity in leukocytes and erythrocytes is altered in heart ischemic disease, impacting cellular function and blood properties. Measuring these changes aids in diagnosing various types of ischemic heart conditions.

Area of Science:

  • Biochemistry
  • Hematology
  • Cardiology

Context:

  • Heart ischemic disease encompasses conditions like stenocardia and myocardial infarction.
  • Leukocytes and erythrocytes exhibit metabolic alterations in patients with ischemic heart disease.

Purpose:

  • To investigate alterations in enzymatic activity within leukocytes and erythrocytes in various clinical types of heart ischemic disease.
  • To correlate these metabolic changes with disease severity and cellular functions.

Summary:

  • Distinct alterations in glycolysis and Krebs cycle enzyme activity were observed in leukocytes, particularly in large-scale myocardial infarction.
  • Functional impairments in leukocytes, cellular immunity, and altered hydrolytic enzyme activity contribute to energy metabolism changes.
  • Erythrocytes show altered gas transport functions and increased pentose-phosphate shunt activity, affecting blood rheology.

Impact:

  • Enzymatic activity estimation in blood cells is crucial for diagnosing different types of heart ischemic disease.
  • Understanding these metabolic shifts provides insights into disease pathophysiology and potential diagnostic markers.

Related Concept Videos

Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...