CLASSIFICATION AND TREATMENT OF ISCHEMIC HEART DISEASE: A COMPREHENSIVE OVERVIEW

Аннотация

Ischemic heart disease (IHD), primarily resulting from coronary artery disease (CAD), remains a leading cause of morbidity and mortality worldwide. This article provides an in-depth analysis of the classification of IHD, including stable and unstable angina, and myocardial infarction (MI). It also discusses contemporary treatment strategies encompassing lifestyle modifications, pharmacological interventions, and revascularization procedures. Keywords: Ischemic Heart Disease (IHD), Coronary Artery Disease (CAD), Stable Angina, Unstable Angina, Myocardial Infarction (MI), Percutaneous Coronary Intervention (PCI), Coronary Artery Bypass Grafting (CABG), Antiplatelet Therapy, Statins, Lifestyle Modifications. 1. Introduction Ischemic heart disease occurs when the coronary arteries are narrowed or blocked, leading to reduced blood flow to the heart muscle. This condition manifests in various forms, including stable angina, unstable angina, and myocardial infarction, each requiring distinct management approaches. 2. Classification of Ischemic Heart Disease 2.1 Stable Angina Выпуск журнала №-26 Часть–5_ Май –2025 123 MODERN EDUCATION AND DEVELOPMENT Stable angina is characterized by predictable chest pain or discomfort triggered by physical exertion or stress, relieved by rest or nitroglycerin. It results from fixed atherosclerotic plaques causing partial obstruction of coronary arteries. 2.2 Unstable Angina Unstable angina presents with chest pain that is more frequent, intense, or occurs at rest, indicating a rupture of an atherosclerotic plaque and formation of a thrombus. It is a medical emergency and a precursor to myocardial infarction. 2.3 Myocardial Infarction Myocardial infarction occurs when a coronary artery is completely occluded, leading to irreversible damage to the heart muscle. It is classified into two types: ST-Elevation Myocardial Infarction (STEMI): Characterized by a significant elevation in the ST segment on an electrocardiogram, indicating a full- thickness myocardial injury. Non-ST-Elevation Myocardial Infarction (NSTEMI): Characterized by elevated cardiac biomarkers without significant ST-segment elevation, indicating partial-thickness myocardial injury. 3. Treatment Strategies 3.1 Lifestyle Modifications Lifestyle changes are fundamental in managing IHD and include:(American College of Cardiology) Smoking Cessation: Reduces the risk of atherosclerosis progression. Dietary Modifications: Adopting a heart-healthy diet rich in fruits, vegetables, and whole grains.(CardioSmart) Regular Physical Activity: Engaging in moderate exercise to improve cardiovascular health. Weight Management: Achieving and maintaining a healthy weight to reduce cardiac workload. Stress Management: Implementing techniques to manage stress and reduce its impact on heart health. 3.2 Pharmacological Interventions Выпуск журнала №-26 Часть–5_ Май –2025 124 MODERN EDUCATION AND DEVELOPMENT Pharmacotherapy aims to alleviate symptoms, prevent disease progression, and reduce the risk of adverse cardiovascular events: Antiplatelet Agents: Aspirin and clopidogrel inhibit platelet aggregation, reducing the risk of thrombotic events. (ahajournals.org) Statins: Lower low-density lipoprotein (LDL) cholesterol levels, stabilizing atherosclerotic plaques. (Angolo del Dottorino) Beta-Blockers: Reduce heart rate and myocardial oxygen demand, alleviating angina symptoms. (Angolo del Dottorino) Angiotensin-Converting Enzyme (ACE) Inhibitors: Improve endothelial function and reduce blood pressure. (Angolo del Dottorino) Calcium Channel Blockers: Relieve coronary vasospasm and reduce myocardial oxygen demand. (Angolo del Dottorino) 3.3 Revascularization Procedures Revascularization is considered in patients with significant coronary artery obstruction: Percutaneous Coronary Intervention (PCI): Involves angioplasty and stent placement to restore blood flow. Coronary Artery Bypass Grafting (CABG): Surgical procedure to bypass blocked coronary arteries using grafts. 4. Conclusion Effective management of ischemic heart disease requires a comprehensive approach encompassing lifestyle modifications, pharmacological therapy, and, when necessary, revascularization procedures. Early diagnosis and individualized treatment plans are crucial in improving patient outcomes and quality of life.