在急性缺血性中风和短暂缺血性发作患者中,非法药物使用和脑微出血
Benjamin K Petrie1,2, Helena Lau1, Fe Maria Cajiga-Pena1
1Department of Neurology, School of Medicine, Medical Campus, Boston University, Boston, MA, USA.
概括
非法药物使用,特别是可卡因和阿片类药物使用,与大脑微型出血 (CMB) 相关,这是小血管疾病的指标. 这凸显了针对这一群体进行有针对性的干预的必要性.
科学领域:
- 神经学 神经学
- 血管神经学 血管神经学
- 神经辐射学神经辐射学
背景情况:
- 大脑微出血 (CMB) 是大脑小血管疾病的标志物,与缺血性中风有关.
- 非法药物使用 (IDU) 与脑血管病变有关,但其与CMB的联系尚不清楚.
研究的目的:
- 调查非法药物使用 (IDU) 和大脑微出血 (CMB) 之间的关系.
- 为了确定CMB和没有CMB的患者之间血管风险因素的差异.
主要方法:
- 对1746名急性缺血性中风/过渡性缺血性意外患者 (2009-2018年) 的回顾性分析,用脑部MRI.
- 评估患者的特征,IDU状态 (病史/毒理学),以及CMB的存在/位置.
- 多变量后勤/波桑回归来确定药物使用和CMB之间的关联.
主要成果:
- 大脑微出血 (CMB) 在32.9%的患者中存在;非法药物使用 (IDU) 在13.8%中.
- 可卡因和阿片类药物使用与增加的CMB数量有显著的关联.
- 与非使用者相比,阿片类药物使用者表现出更高的深层CMB患病率.
结论:
- 可卡因和阿片类药物使用与大脑微型血流 (CMB) 有关,这表明大脑血管损伤.
- 需要进一步的研究来了解将药物使用与脑血管损伤联系在一起的机制.
- 针对性干预对于IDU和脑血管风险的人来说至关重要.
相关概念视频
01:30Adrenergic Agonists: Therapeutic Uses
Adrenergic agonists have diverse therapeutic uses across various medical conditions and emergencies.
Emergency and Intensive Care Unit (ICU) applications: Pressor agents increase blood pressure, heart rate, and contractility in shock and organ failure situations. Dopamine can induce vasodilation and stimulate adrenoceptors. Endogenous catecholamines are effective in treating cardiogenic shock. α2-agonists like clonidine can reverse anesthesia-induced hypertension.
Allergies and anaphylaxis:...
Emergency and Intensive Care Unit (ICU) applications: Pressor agents increase blood pressure, heart rate, and contractility in shock and organ failure situations. Dopamine can induce vasodilation and stimulate adrenoceptors. Endogenous catecholamines are effective in treating cardiogenic shock. α2-agonists like clonidine can reverse anesthesia-induced hypertension.
Allergies and anaphylaxis:...
01:24Disorders of Hemostasis
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
01:24Blood Pressure Imbalances and Circulatory Shock
Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
01:25Cardiopulmonary Resuscitation IV: Pharmacological Management
Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...
01:17Hemorrhagic Stroke l: Introduction
A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
01:29Hemorrhagic Stroke ll: Pathophysiology
A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...