上腺素剂量间隔与儿科住院心脏骤停结果有关:一个多中心研究
Martha F Kienzle1, Ryan W Morgan1, Ron W Reeder2
1Department of Anesthesiology and Critical Care Medicine, The Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, PA.
Critical care medicine
|June 4, 2024
概括
在儿科心肺复苏 (CPR) 期间缩短上腺素剂量间隔并没有改善神经生存率,但确实增加了自发循环 (ROSC) 的持续恢复,并缩短了重症儿童的CPR持续时间.
科学领域:
- 儿科重症监护医学 儿科重症监护医学
- 复苏科学复苏科学 复苏科学
- 儿童心脏病学 儿童心脏病学
背景情况:
- 关于心肺复苏 (CPR) 期间上腺素最佳剂量间隔的数据存在矛盾.
- 了解这些间隔对于改善儿科心脏骤停的结果至关重要.
研究的目的:
- 评估上腺素剂量间隔与儿科心脏骤停患者结果之间的关联.
- 为了测试这样的假设,即剂量间隔小于3分钟,与大于或等于3分钟的间隔相比,可以提高神经生存率.
主要方法:
- 对ICU-RESUScitation项目的二次分析,这是一项多中心试验,涉及18个儿科重症监护室 (PICU) 和儿科心脏ICU.
- 包括的受试者年龄在18岁或以下,心脏骤停指数,不包括那些服用不到两剂上腺素,体外心肺复苏或间隔>8分钟的人.
- 主要暴露是上腺素剂量间隔:3分钟与≥3分钟.
主要成果:
- 在382名符合条件的患者中,较短的上腺素间隔 (<3分钟) 并没有与改善的存活率至出院与有利的神经结果相关 (aRR 1.10;P=0.48).
- 然而,较短的间隔与自发循环持续恢复 (ROSC) 的改善有关 (aRR 1.21;P<0.01).
- 较短的上腺素剂量间隔也与显著较短的心肺复苏持续时间相关 (估计效果-9.5分钟;P<0.01).
结论:
- 在接受至少两剂上腺素的儿科患者中,<3分钟的间隔没有改善神经学结果.
- 较短的上腺素剂量间隔与持续的ROSC增加和CPR持续时间减少有关.
- 进一步的研究可能会澄清儿科心肺复苏治疗的上腺素最佳策略.
相关概念视频
Adrenergic Agonists: Therapeutic Uses
766
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...
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...
766
Antiarrhythmic Drugs: Class II Agents as β-Adrenergic Blockers
736
Adrenergic stimulation generally impacts cardiac rate and rhythm. Specifically, stimulation of the β-adrenoceptors triggers an increase in intracellular calcium ion influx and pacemaker currents, which may cause arrhythmias. Catecholamines like adrenaline also demonstrate β2-adrenoceptor-mediated hypokalemia, impacting cardiac action potential and disrupting the normal cardiac rhythm. Class II antiarrhythmic drugs are β-adrenoceptor antagonists or β-blockers, which...
736
Drug Delivery: Enteral Route
418
The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
418
Adrenergic Antagonists: Pharmacological Actions of β-Receptor Blockers
709
β-receptor blockers significantly impact the cardiovascular system by counteracting catecholamine-induced sympathetic responses. These medications decrease heart rate, contractility, and cardiac output, potentially leading to cardiac depression, life-threatening bradycardia, and death. Therapeutically, β-blockers function as mild antihypertensives and are utilized in treating angina pectoris and cardiac arrhythmias. However, nonselective β-blockers inhibit β2-receptors in...
709
Heart Failure Drugs: β-Blockers
336
β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation,...
336
Depolarizing Blockers: Pharmocokinetics
319
Depolarizing blockers are administered through intravenous injection. Succinylcholine is the most common choice of depolarizing blockers in emergency clinical practices. Although they have a rapid onset, they readily diffuse away from the motor end plate into the extracellular fluid. They are metabolized by enzymes such as liver butyrylcholinesterase and plasma pseudocholinesterases. This produces a short duration of action, typically 5-10 minutes long, unlike nondepolarizing blockers, which...
319


