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drug-induced hypotension

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https://www.readbyqxmd.com/read/29342991/-an-analysis-of-clinical-characteristics-and-acute-treatment-of-supraventricular-tachycardia-in-children-from-a-multicenter-study
#1
X M Li, H Y Ge, X Q Liu, L Shi, B J Guo, M T Li, H Jiang, Y Zhang, H J Liu, X C Zheng, A J Li, Y Y Zhang
Objective: The study assessed the clinical characteristics and response to acute intravenous antiarrhythmic drug therapy of supraventricular tachycardia (SVT) in children. Methods: This was a multicenter prospective descriptive study including 257 children from First Hospital of Tsinghua University, Peking University First Hospital, Children's Hospital Affiliated to Capital Institute of Pediatrics and Beijing Anzhen Hospital who received intravenous antiarrhythmic drug therapy for SVT from July 2014 to February 2017...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29322358/anti-hypotensive-drug-induced-cardiotoxicity-an-in-vitro-study
#2
Aditi Jain, Vibha Rani
Cardiotoxic side effects of broad range of drugs have emerged as an important cause of developing cardiovascular complications, as patients recover from one disease but develop another. Both cardiovascular and non-cardiovascular drugs may lead to the toxicity in the heart. Many drugs were initially not screened for cardiotoxicity, which is now an essential concern for drug discovery. Levophed is used for treating hypotension in critical care patients. Being a neurotransmitter, its concentration increases significantly in stress conditions and administration of this drug to patients' results in developing acute as well as persistent cardiac complications...
January 10, 2018: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/29284876/dexmedetomidine-versus-magnesium-sulfate-in-anesthesia-for-cochlear-implantation-surgery-in-pediatric-patients
#3
Passaint Fahim Hassan, Amany Hassan Saleh
Context: Cochlear implantation surgery represents a great advance in ENT surgeries. Special anesthetic managements were required to provide bloodless surgical field and monitoring of the facial nerve. Aims: We aimed to compare both dexmedetomidine and magnesium sulfate as regards their efficacy in inducing deliberate hypotension and providing better quality of the surgical field during cochlear implantation in pediatrics. Settings and Design: Prospective, randomized double-blinded study...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29276264/highly-probable-drug-reaction-with-eosinophilia-and-systemic-symptoms-syndrome-associated-with-lenalidomide
#4
Anusha Shanbhag, E Ryan Pritchard, Kshitij Chatterjee, Drayton A Hammond
Drug reaction with eosinophilia and systemic symptoms (DRESS) syndrome is a life-threatening hypersensitivity reaction to medications. We report a case of a 75-year-old African American female who presented with generalized rash with desquamation and malodorous secretions. She was febrile and hypotensive, and required vasopressors for hemodynamic instability. Sepsis secondary to skin or soft tissue infection was considered initially. However, she recently was started on lenalidomide for treatment of her multiple myeloma, and her white blood cell count of 17 K/µL with 55% eosinophils along with peripheral smear showing eosinophilia suggested lenalidomide-induced rash...
June 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/29248696/vasodilator-and-hypotensive-effects-of-the-spider-peptide-lycosin-i-in-vitro-and-in-vivo
#5
Binbin Ma, Zhouhuan Xi, Jiahui Li, Tianqi Gao, Runzhi Liao, Shuhang Wang, Xianyao Li, Yaqin Tang, Zheng Wang, Shengjie Hou, Jinying Jiang, Meichun Deng, Zhigui Duan, Xing Tang, Liping Jiang
Lycosin-I, a spider peptide isolated from the venom of the spider Lycosa singoriensis, has anti-bacteria and anti-cancer properties in organisms. However, cardiovascular effects of Lycosin-I have not been studied. In this study, we investigated for the first time the vasodilator and hypotensive effects of Lycosin-I and the possible mechanisms, in order to develop a promising treatment for hypertension-related diseases. For in vitro experiments, thoracic aortas were isolated, and divided into two groups, endothelium-intact and endothelium-denuded aortic rings...
December 14, 2017: Peptides
https://www.readbyqxmd.com/read/29248426/pharmacological-evidence-that-metformin-blocks-the-vasopressor-responses-mediated-by-stimulation-of-%C3%AE-1-and-%C3%AE-2-adrenoceptors-in-pithed-rats
#6
Saúl Huerta de la Cruz, Grecia J Medina-Terol, Jesús H Beltrán-Ornelas, Carolina B Gomez, Yaltzir Morato-Valderrama, Araceli Sánchez-López, David Centurión
It has been reported that metformin reduces blood pressure although the mechanisms have not been described. Indeed, several mechanisms could be implicated including the interaction with α-adrenoceptors or inhibition of sympathetic outflow. Therefore, this study was designed to determine the capability of metformin to block the vasopressor responses induced by α1/2-adrenoceptor agonists or selective electrical stimulation of sympathetic outflow. For this purpose, Wistar male rats were anesthetized, pithed and cannulated for selective preganglionic stimulation of the vasopressor sympathetic outflow or drugs administration...
December 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29232630/opioid-drugs-and-stercoral-perforation-of-the-colon-case-report-and-review-of-literature
#7
Renée Poitras, Daun'Lee Warren, Sylvanus Oyogoa
INTRODUCTION: Stercoral perforation of the colon is a rare pathology, which is believed to be caused by an increased intraluminal pressure created by a fecaloma. Opioid induced constipation is a rare and often unsuspected cause of colonic perforation. PRESENTATION OF CASE: We report the case of a 58-year-old woman, who presented to the emergency department (ED) with severe hypotension, abdominal pain and gastrointestinal bleeding. She was found to have a diffusely tender and distended abdomen...
December 7, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29223724/vasoplegia-after-cardiovascular-procedures-pathophysiology-and-targeted-therapy
#8
REVIEW
Shahzad Shaefi, Aaron Mittel, John Klick, Adam Evans, Natalia S Ivascu, Jacob Gutsche, John G T Augoustides
Vasoplegic syndrome, characterized by low systemic vascular resistance and hypotension in the presence of normal or supranormal cardiac function, is a frequent complication of cardiovascular surgery. It is associated with a diffuse systemic inflammatory response and is mediated largely through cellular hyperpolarization, high levels of inducible nitric oxide, and a relative vasopressin deficiency. Cardiopulmonary bypass is a particularly strong precipitant of the vasoplegic syndrome, largely due to its association with nitric oxide production and severe vasopressin deficiency...
October 27, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29189287/pharmacological-considerations-in-the-elderly
#9
Shamsuddin Akhtar
PURPOSE OF REVIEW: This review discusses the pharmacology of contemporary anesthetic medications in geriatric patients, neurophysiological changes with aging, current recommendations for dosing anesthetic drugs. It also addresses current practice patterns and ongoing studies, which are likely to affect future anesthetic drug management in the elderly. RECENT FINDINGS: Potency of anesthetic drugs is increased in the elderly. In addition to changes at the receptor level, neurophysiological changes in functional connectivity with aging contributes to increased sensitivity of anesthetic drugs...
February 2018: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29168013/clinical-features-and-treatment-of-pediatric-patients-with-drug-induced-anaphylaxis-a-study-based-on-pharmacovigilance-data
#10
Yan Xing, Hua Zhang, Shusen Sun, Xiang Ma, Roy A Pleasants, Huilin Tang, Hangci Zheng, Suodi Zhai, Tiansheng Wang
We assessed the clinical features and treatment of pediatric patients with drug-induced anaphylaxis in clinical settings. Pediatric drug-induced anaphylaxis cases collected by the Beijing Pharmacovigilance Database from 2004 to 2014 were analyzed. A total of 91 cases were identified. Drug-induced anaphylaxis was primarily caused by antibiotics (53%). Children of 0-5 years were more likely to develop cyanosis symptoms than children of 13-17 years (OR = 5.14, 95%CI [1.74, 15.20], P = 0.002). Children of 13-17 years were more likely to develop hypotension than children of 6-12 years (OR = 11...
November 22, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29158115/trace-elements-cause-oxidative-damage-in-the-brain-of-rats-with-induced-hypotension
#11
David Calderón Guzmán, Maribel Ortiz Herrera, Norma Osnaya Brizuela, Gerardo Barragán Mejía, Hugo Juárez Olguín, Armando Valenzuela Peraza
Hypertension causes neuronal damage and apoptosis in the brain. Diazoxide is a drug used in the treatment of hypertension however, its effect on 5-hydroxyindole acetic acid (5-HIAA) and dopamine amines in adult animal models remains unclear. The purpose of this study was to determine the effect of oligoelements on 5-HIAA and dopamine in the brain of adult rats treated with diazoxide METHODS: Male Fisher rats (weight 250g) were treated as follows: Group I, NaCl 0.9% (control); group II, tracefusin® (1.5mL/rat); group III, diazoxide (20mg/rat) and group IV, tracefusin® (1...
November 3, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29138017/angiotensin-converting-enzyme-inhibitors-enhance-the-hypotensive-effects-of-propofol-by-increasing-nitric-oxide-production
#12
Gustavo H Oliveira-Paula, Lucas C Pinheiro, Graziele C Ferreira, Waynice N P Garcia, Riccardo Lacchini, Luis V Garcia, Jose E Tanus-Santos
Propofol anesthesia is usually accompanied by hypotension. Studies have shown that the hypotensive effects of propofol increase in patients treated with angiotensin-converting enzyme inhibitors (ACEi). Given that both propofol and ACEi affect nitric oxide (NO) signaling, the present study tested the hypothesis that ACEi treatment induces pronounced hypotensive responses to propofol by increasing NO bioavailability. In this study we evaluated 65 patients, divided into three groups: hypertensive patients chronically treated with ACEi (HT-ACEi; n = 21), hypertensive patients treated with other antihypertensive drugs instead of ACEi, such as angiotensin II receptor blockers, β-blockers or diuretics (HT; n = 21) and healthy normotensive subjects (NT; n = 23)...
November 11, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29132913/beta2-adrenergic-receptor-silencing-change-intraocular-pressure-in-new-zealand-rabbits
#13
Patricia Loma, Ana Guzman-Aranguez, Maria J Perez de Lara, Jesus Pintor
PURPOSE/AIM: Glaucoma consists of a group of progressive optic neuropathies that are characterized by degeneration of the optic nerve and irreversible visual filed loss. Elevated intraocular pressure is the only proven treatable risk factor and commercial products used for glaucoma treatment are focused in lowering intraocular pressure. These drugs can have various undesirable side effects and this invites to look for new strategies. The purpose of this work is to study the use of a siRNA (small interfering RNA) to selectively silence beta2 adrenergic receptors and to see whether it reduces IOP (intraocular pressure)...
November 10, 2017: Journal of Optometry
https://www.readbyqxmd.com/read/29123869/drug-induced-anaphylaxis-in-the-emergency-room
#14
REVIEW
Tomonori Takazawa, Kiyohiro Oshima, Shigeru Saito
Anaphylaxis is a life-threatening, systemic allergic reaction that presents unique challenges for emergency care practitioners. Anaphylaxis occurs more frequently than previously believed. Therefore, proper knowledge regarding the epidemiology, mechanisms, symptoms, diagnosis, and treatment of anaphylaxis is essential. In particular, the initial treatment strategy, followed by correct diagnosis, in the emergency room is critical for preventing fatal anaphylaxis, although making a diagnosis is not easy because of the broad and often atypical presentation of anaphylaxis...
July 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29109881/hypothermia-with-extreme-bradycardia-following-spinal-cord-infarction-of-septic-origin
#15
Philippe Hantson, Thierry Duprez
Among other autonomic dysfunctions complicating acute spinal cord injury, deep hypothermia is rare but may induce serious cardiovascular complications. There are few pharmacological options to influence hypothermia. A 66-year-old woman was transferred to the intensive care unit (ICU) for serious cardiac arrhythmias (atrial fibrillation and asystole) in the context of a deep hypothermia (axillary temperature below 32°C). She had been admitted to the hospital two months before for an acute L4-L5 infectious spondylodiscitis without any initial neurological deficit...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/29109639/evaluation-of-the-efficacy-of-desflurane-with-or-without-labetalol-for-hypotensive-anesthesia-in-middle-ear-microsurgery
#16
Neha Gupta, Vandana Talwar, Smita Prakash, Achyut Deuri, Anoop Raj Gogia
Background and Aims: Hypotensive anesthesia technique is used to reduce intraoperative bleeding and to improve the visibility of the operative field. The aim was to evaluate the efficacy of desflurane with and without labetalol for producing hypotensive anesthesia. Material and Methods: Sixty adult patients undergoing elective middle ear surgery were administered general anesthesia and randomly divided into two groups - Group D and Group L. The target mean arterial pressure (MAP) was 55-65 mmHg during hypotensive period...
July 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29097308/analysis-of-natural-product-regulation-of-opioid-receptors-in-the-treatment-of-human-disease
#17
REVIEW
S Badal, S Turfus, R Rajnarayanan, C Wilson-Clarke, S L Sandiford
Opioid receptors (ORs), μOR, δOR, κOR and ORL1 mediate numerous signaling cascades, most importantly, through the modulation of ion channels. Research demonstrates the role of OR mediated signal transduction in treating pain, cancer, neurodegenerative disorders and cardiac insults. Yet, the primary application of drugs that modulate ORs is analgesia. Current opioids like morphine that are mainly μOR orthosteric agonists attract many undesirable side-effects (constipation, urinary retention, respiratory depression and hypotension) and the existing modus operandi against these is the inclusion of a μOR antagonist (for example...
October 30, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29095263/ed50-of-intrathecal-ropivacaine-for-cesarean-section-under-prophylactic-infusion-of-phenylephrine-a-consort-study
#18
RANDOMIZED CONTROLLED TRIAL
Wangping Zhang, Hanbin Wu
BACKGROUND: Studies have reported that prophylactic continuous infusion of phenylephrine during spinal anesthesia for cesarean section can decrease the spread of local anesthetics. We investigated the ED50 of intrathecal hyperbaric ropivacaine in parturient women undergoing cesarean section under prophylactic infusion of phenylephrine. METHODS: Sixty parturient women were allocated into 2 groups in this prospective study. Group P received 0.5 mL kg h of phenylephrine (5 mg/50 mL) at the start of intrathecal injection, and Group C (control group) received the same volume of saline...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29070499/identifying-and-characterizing-preventable-adverse-drug-events-for-prioritizing-pharmacist-intervention-in-hospitals
#19
Nakyung Jeon, Ben Staley, Thomas Johns, Glori Pflugfelder Lipori, Babette Brumback, Richard Segal, Almut G Winterstein
PURPOSE: The approach and results for identifying and characterizing preventable adverse drug events (pADEs) that are key targets for pharmacist medication therapy management (MTM) are summarized. METHODS: This study was part of a larger effort aimed at developing an electronic health record-based prediction model (the complexity score, or C-score) that ranks hospitalized patients according to their risk for pADEs. An environmental scan of published epidemiologic pADE studies and national patient safety priority areas was conducted...
November 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/29034064/personalized-therapy-against-preeclampsia-by-replenishing-placental-protein-13-pp13-targeted-to-patients-with-impaired-pp13-molecule-or-function
#20
REVIEW
Hamutal Meiri, George Osol, Irene Cetin, Sveinbjörn Gizurarson, Berthold Huppertz
Hypertensive disorders affect about one third of all people aged 20 and above, and are treated with anti-hypertensive drugs. Preeclampsia (PE) is one form of such disorders that only develops during pregnancy. It affects ten million pregnant women globally and additionally causes fetal loss and major newborn disabilities. The syndrome's origin is multifactorial, and anti-hypertensive drugs are ineffective in treating it. Biomarkers are helpful for predict its development. Generic drugs, such as low dose aspirin, were proven effective in preventing preterm PE...
2017: Computational and Structural Biotechnology Journal
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