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Non-adrenergic vasopressors for vasodilatory shock or perioperative vasoplegia: a meta-analysis of randomized controlled trials.
Crit Care
December 2024
Australian and New Zealand Intensive Care Research Centre (ANZIC-RC), School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.
Background: Excessive exposure to adrenergic vasopressors may be harmful. Non-adrenergic vasopressors may spare adrenergic agents and potentially improve outcomes. We aimed to conduct a systematic review and meta-analysis of randomized controlled trials (RCTs) to evaluate the efficacy of non-adrenergic vasopressors in adult patients receiving vasopressor therapy for vasodilatory shock or perioperative vasoplegia.
View Article and Find Full Text PDFReduced ATR Signaling Contributes to Endothelial Dysfunction After Preeclampsia.
Hypertension
December 2024
Department of Health and Human Physiology, The University of Iowa, Carver College of Medicine, Iowa City, IA. (K.S.S., A.E.S.).
Background: Women who had preeclampsia (a history of preeclampsia) have a >4-fold risk of developing cardiovascular disease compared with women who had an uncomplicated pregnancy (history of healthy pregnancy). Despite the remission of clinical symptoms after pregnancy, vascular endothelial dysfunction persists postpartum, mediated in part by exaggerated Ang II (angiotensin II)-mediated constriction. However, the role of vasodilatory ATRs (Ang II type 2 receptors) in this dysfunction is unknown.
View Article and Find Full Text PDFA Case Report of Angiotensin II Use in the Treatment of Refractory Shock due to Amlodipine and Lisinopril Toxicity.
Case Rep Crit Care
December 2024
Department of Emergency Medicine, University of California San Francisco, San Francisco, California, USA.
Coingestion of cardiovascular drugs with angiotensin-converting enzyme inhibitors (ACEIs) can be associated with refractory shock derangements complicated by vasopressor resistance, prompting the use of novel, unconventional, or uncommonly used agents. A young adult male presented to the emergency department (ED) 10 h after ingesting lisinopril and amlodipine. On arrival, he was hypotensive with a blood pressure of 72/39 mmHg.
View Article and Find Full Text PDFVasopressor Therapy.
J Clin Med
December 2024
Department of Intensive Care, Erasme Hospital, Université libre de Bruxelles, 1070 Brussels, Belgium.
Vasopressor therapy represents a key part of intensive care patient management, used to increase and maintain vascular tone and thus adequate tissue perfusion in patients with shock. Norepinephrine is the preferred first-line agent because of its reliable vasoconstrictor effects, with minimal impact on heart rate, and its mild inotropic effects, helping to maintain cardiac output. Whichever vasopressor is used, its effects on blood flow must be considered and excessive vasoconstriction avoided.
View Article and Find Full Text PDFMolecular Modeling of Vasodilatory Activity: Unveiling Novel Candidates Through Density Functional Theory, QSAR, and Molecular Dynamics.
Int J Mol Sci
November 2024
Grupo de Investigaciones en Química y Biología, Departamento de Química y Biología, Facultad de Ciencias Básicas, Universidad del Norte, Carrera 51B, Km 5, vía Puerto Colombia, Barranquilla 081007, Colombia.
Cardiovascular diseases (CVD) pose a significant global health challenge, requiring innovative therapeutic strategies. Vasodilators, which are central to vasodilation and blood pressure reduction, play a crucial role in cardiovascular treatment. This study integrates quantitative structure- (QSAR) modeling and molecular dynamics (MD) simulations to predict the biological activity and interactions of vasodilatory compounds with the aim to repurpose drugs already known and estimateing their potential use as vasodilators.
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