在 carotid angioplasty 后,S-nitrosoglutathione 降低了无症状栓塞
Zoltan Kaposzta1, Andrew Clifton, Jane Molloy
1Clinical Neuroscience, St George's Hospital Medical School, London, UK.
Circulation
|December 11, 2002
概括
在 carotid angioplasty 之后,S-nitrosoglutathione (GSNO) 显著降低了栓塞信号,防止了严重狭窄症患者的中风. 这种氧化供体提供了一种有前途的新方法来提高内血管程序的安全性.
科学领域:
- 血管外科 血管外科
- 神经学 神经学
- 药理学 药理学是指药理学的学科.
背景情况:
- 冠状动脉血管造形术的并发症包括栓塞性中风,通常是由于干预部位的血小板聚合.
- 间多普勒超声波可以在术后检测出无症状的栓塞信号,即使是标准的抗血小板治疗.
- 作为一种氧化的供体,S-nitrosoglutathione (GSNO) 具有选择性的血小板活性.
研究的目的:
- 为了评估GSNO在降低 carotid angioplasty后栓塞的有效性.
- 评估GSNO对栓塞信号频率和术后中风发生的影响.
主要方法:
- 这是一项双盲随机试验,涉及16名接受动脉血管整形和症状狭窄症支架的患者.
- 患者在手术后90分钟接受GSNO或安慰剂,同时服用阿司匹林和肝素.
- 在治疗前和治疗后24小时内,跨骨多普勒监测中脑动脉中的栓塞信号.
主要成果:
- 与安慰剂 (P=0.007和P=0.01) 相比,GSNO的使用导致血栓信号在0-3小时减少95%,在6小时减少100%.
- 在安慰剂组中,有两名患者在血管整形术后遭受了ipsilateral中风.
- 在GSNO治疗组中没有观察到脑血管事件.
结论:
- 在高度动脉狭窄症的内血管治疗后,S-尼特罗斯格卢他在快速降低栓塞信号方面表现出高效.
- GSNO代表了一种潜在的治疗策略,以减轻与动脉血管塑造和支架相关的中风风险.
相关概念视频
01:16Antianginal Drugs: Nitrates and β-Blockers
In cardiovascular health, antianginal drugs combat angina pectoris — a condition marked by chest pain owing to diminished blood flow to the heart.
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow. Administered...
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow. Administered...
01:27Coronary 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...
01:28Acute Coronary Syndrome IV: Interprofessional Care
IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
01:26Angina IV: Management
IntroductionThe management of angina requires a comprehensive approach that includes pharmacological therapies, medical procedures, and lifestyle modifications.Pharmacological TherapiesAntiplatelet agents, such as aspirin, clopidogrel, prasugrel, and ticagrelor, play a pivotal role in preventing thrombus formation in patients with angina. These medications inhibit platelet aggregation and reduce the likelihood of myocardial infarction and other cardiovascular events.Anticoagulants, including...
01:20Angina V: Nursing Management
Angina, a symptom of myocardial ischemia, requires a structured nursing management approach to ensure effective care and prevent complications like myocardial infarction. Comprehensive nursing care involves assessing, diagnosing, planning, implementing interventions, and evaluating outcomes, all tailored to the individual patient's needs.Patient AssessmentNursing assessment begins with a detailed subjective evaluation of symptoms, which typically include chest pain or pressure radiating to the...
01:27Peripheral Artery Disease III: Interprofessional Care
Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...