アフリカにおける心筋梗塞に関連する危険因子:INTERHEARTアフリカ研究
Krisela Steyn1, Karen Sliwa, Steven Hawken
1Chronic Diseases of Lifestyle Unit, Medical Research Council, Tygerberg, South Africa.
Circulation
|December 7, 2005
まとめ
修正可能な心血管疾患のリスク要因は,サハラ以南のアフリカにおける心筋梗塞の約90%を説明します. これらの発見は,喫煙,糖尿病,高血圧などのリスク要因に対処して,この地域の心臓発作を予防することの重要性を強調しています.
科学分野:
- 心臓病学 心臓病学
- 公衆衛生は公衆衛生である.
- エピデミオロジー エピデミオロジー
背景:
- 心血管疾患 (CVD) の発生率は,低所得国において増加しています.
- サハラ以南アフリカ (SSA) の可変CVDリスク因子と心筋梗塞 (MI) に関するデータは限られている.
研究 の 目的:
- SSAにおける既知のCVDリスク因子と急性心筋梗塞 (AMI) の関連性を調査する.
- アフリカの人口における発見を,より広範なINTERHEART研究と比較するために.
主な方法:
- SSA9カ国の578人の初発性AMI患者と785人の対照群を対象としたケース・コントロール研究.
- 喫煙,糖尿病,高血圧,腹部肥満,アポリポプロテインの比率を含む危険因子の分析.
- 民族的サブグループ (黒人,有色人種,ヨーロッパ人/その他のアフリカ人) 内のリスクファクター関連と,総合的なINTERHEART研究との比較.
主要な成果:
- 修正可能なCVDリスク要因は,全体的なINTERHEART研究と同様に,SSAにおけるAMIと類似した関連性を示しました.
- 5つの主要な危険因子 (喫煙,糖尿病,高血圧,腹部肥満,ApoB/ApoA1比) は,AMI症例の89.2%を占めていた.
- 高血圧歴は,INTERHEARTコーホート全体と比較して,黒人アフリカ人のMIリスクが高いことを示しました.
- より高い収入と教育は,他のグループとは異なり,黒人アフリカ人のAMIリスクの増加と相関しています.
結論:
- 確立されたCVDの危険因子は,アフリカの人口におけるMI症例の約90%に起因しています.
- 社会経済的な梯度,危険因子プロファイル,およびAMIリスクは,民族ごとに異なっており,異なる流行病学的移行段階を示唆しています.
さらに関連する動画
関連する概念動画
01:30Factors Influencing Heart Rate
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
01:17Ischemic 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...
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...
01:21Myocarditis 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...
01:30Coronary Artery Disease I: Introduction
Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
01:30Acute Coronary Syndrome III: Diagnostic Studies
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
01:27Heart Failure I: Introduction
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...