選択的冠動脈干渉後のクレアチンキナーゼ上昇の予後的な影響
T Q Kong1, C J Davidson, S N Meyers
1Department of Internal Medicine, Division of Cardiology, Northwestern University Medical School, Chicago, Ill, USA.
JAMA
|February 12, 1997
まとめ
経皮透光冠動脈血管新生手術 (PTCA) の後のクレアチンキナーゼ (CK) の上昇は,遅期の心臓死亡のリスクが高いことを示しています. 軽度のCK増加でも,手術後の心臓死のリスクが著しく高まっていることを示す.
科学分野:
- 心臓病学 心臓病学
- バイオマーカー バイオマーカー
- 介入性心臓病学 介入性心臓病学
背景:
- 皮膚経光冠動脈血管形成術 (PTCA) は,冠動脈疾患の一般的な処置である.
- PTCA後のクレアチンキナーゼ (CK) 上昇の予後的意義については,さらなる説明が必要である.
研究 の 目的:
- 選択性皮膚経光冠動脈血管形成術 (PTCA) の後のクレアチンキナーゼ (CK) 上昇の予後値を調査する.
主な方法:
- CK上昇した253人の患者と120人の対照群を含む,遡及的なコホート研究.
- 追跡期間は3.5年を超えました.
- 評価されたアウトカムには,心臓の死亡率と心筋梗塞が含まれていました.
主要な成果:
- PTCA後のCK上昇を有する患者は,心疾患による死亡率が著しく高かった (P=.02).
- 心臓発作による死亡率は,高峰CK値 (P=.007) により高かった.
- 多変量分析により,より高いピークのCKとより低いエジェクション分子が,心疾患による死亡率の主要な予測因子として特定されました.
結論:
- 選択的なPTCA後のクレアチンキナーゼの上昇は,遅期の心臓死亡率の増加の独立した予測因子です.
- 軽微なCK上昇でさえ,遅い心臓死のリスクが著しく増加することが関連しています.
- この発見は,臨床的要因,疾患の重症度,または処置の特徴に関係なく当てはまります.
関連する概念動画
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...
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...
Cardiac Catheterization I: Pre-Procedure Overview
Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
Coronary Artery Disease V: Interprofessional Care
Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
Acute Coronary Syndrome I: Introduction
Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Acute 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...


