急性冠状动脉综合征后的阿司匹林和库马丁 (ASPECT-2研究):一个随机对照试验
Robert F van Es1, Jan J C Jonker, Freek W A Verheugt
1Julius Centre for General Practice and Patient Oriented Research, University Medical Centre Utrecht, Netherlands.
Lancet (London, England)
|July 20, 2002
概括
口服抗凝剂或与阿司匹林和抗凝剂的联合治疗比单独的阿司匹林更有效地减少心肌梗塞后的心血管事件. 联合治疗增加了轻微出血的风险.
科学领域:
- 心脏病学 心脏病学
- 药理学 药理学是指药理学的学科.
- 临床试验 临床试验
背景情况:
- 阿司匹林和口服抗凝剂用于预防心肌梗塞后的复发性缺血事件.
- 最佳的长期抗血小板和抗凝剂策略需要进一步研究.
- 在管理急性冠状动脉事件时,平衡疗效和出血风险至关重要.
研究的目的:
- 为了比较阿司匹林,口服抗凝剂和急性冠状动脉事件后组合治疗的长期有效性.
- 评估与每个治疗策略相关的安全性,特别是出血风险.
主要方法:
- 一个随机的开放标签试验,涉及53个地点的999名患者.
- 患者被分配给低剂量阿司匹林,高强度口服抗凝药,或联合低剂量阿司匹林和中等强度口服抗凝药.
- 随访延长至26个月,主要终点是心肌梗塞,中风或死亡.
主要成果:
- 组合疗法 (阿司匹林+抗凝剂) 和单独服用口服抗凝剂在降低主要终点方面比单独服用阿司匹林更有效 (分别p=0.03和p=0.0479).
- 在所有组中,主要出血率都相似.
- 轻微出血发生在组合治疗组 (15%) 的频率更高,相比之下,阿司匹林 (5%) 或单独抗凝剂 (8%) 的频率更高.
结论:
- 高强度口服抗凝剂或阿司匹林和中等强度口服抗凝剂的组合比单独的阿司匹林更有效地减少心血管事件和急性冠状动脉事件后的死亡.
- 虽然有效,但组合疗法与轻微出血风险增加有关.
- 治疗决策应权衡减少缺血事件的益处与增加出血风险的益处.
相关概念视频
01:23Mitral Stenosis II: Clinical features and Diagnostic Tests
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
01:19Acute 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...
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...