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https://www.readbyqxmd.com/read/28142307/misdirected-sympathy
#1
Jason A Ferreira, Brittany D Bissell
The spectrum of sepsis and septic shock remains a highly prevalent disease state, carrying a high risk of morbidity and mortality. The sympathetic nervous system (SNS) plays an important role in this initial cascade, enabling the host to respond to invading pathogens; however, prolonged activation can become pathological. The potential for unregulated sympathetic tone to become of detriment in patients with sepsis has fueled interest in the role and impact of sympatholysis, the selective inhibition of sympathetic tone...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28100321/-application-of-esmolol-in-severe-hand-foot-and-mouth-disease
#2
Lei Zhu, Bo-Xiang Qi, Dai-Hua Fang, Gong-Jian Qi, Kun Gao, Bao-Li Hu
OBJECTIVE: To study the clinical effect and mechanism of action of esmolol in the treatment of severe hand, foot, and mouth disease (HFMD). METHODS: A prospective randomized controlled trial was performed. A total of 102 children with severe HFMD were enrolled in the study and were randomly divided into conventional treatment and esmolol treatment groups (n=51 each). The children in the conventional treatment group were given conventional treatment according to the guidelines for the diagnosis and treatment of HFMD...
January 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28091703/bolus-application-of-landiolol-and-esmolol-comparison-of-the-pharmacokinetic-and-pharmacodynamic-profiles-in-a-healthy-caucasian-group
#3
Günther Krumpl, Ivan Ulc, Michaela Trebs, Pavla Kadlecová, Juri Hodisch
PURPOSE: The aim of this prospective study was to compare in non-Asian subjects the pharmacokinetics (PK), pharmacodynamics (PD), safety, and tolerability of two short-acting cardioselective β1-adrenergic antagonists, landiolol and esmolol, after administration of three different bolus dosages. MATERIALS AND METHODS: We conducted a single-center, prospective, double-blinded, randomized study in three cross-over periods with 12 healthy subjects (7 women and 5 men, mean age of 24...
January 13, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28074804/outcome-of-four-pretreatment-regimes-on-hemodynamics-during-electroconvulsive-therapy-a-double-blind-randomized-controlled-crossover-trial
#4
Devangi Ashutosh Parikh, Sanchita Nitin Garg, Naina Parag Dalvi, Priyanka Pradip Surana, Deepa Sannakki, Bharati Anil Tendolkar
CONTEXT: Electroconvulsive therapy (ECT) is associated with tachycardia and hypertension. AIMS: The aim of this study was to compare two doses of dexmedetomidine, esmolol, and lignocaine with respect to hemodynamics, seizure duration, emergence agitation (EA), and recovery profile. METHODOLOGY: Thirty patients undergoing ECT were assigned to each of the following pretreatment regimes over the course of five ECT sessions in a randomized crossover design: Group D1 (dexmedetomidine 1 μg/kg), Group D0...
January 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28066583/esmolol-in-septic-shock-old-pathophysiological-concepts-an-old-drug-perhaps-a-new-hemodynamic-strategy-in-the-right-patient
#5
EDITORIAL
Andrea Morelli, Filippo Sanfilippo, Salvatore Mario Romano
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28035016/esmolol-infusion-versus-propranolol-infusion-effects-on-heart-rate-and-blood-pressure-in-healthy-volunteers
#6
Matthew D Muller, Tariq Ali Ahmad, Alvaro F Vargas Pelaez, David N Proctor, Anthony S Bonavia, J Carter Luck, Stephan R Maman, Amanda J Ross, Urs A Leuenberger, Patrick M McQuillan
Despite its widespread clinical use, the β1 adrenergic receptor antagonist esmolol hydrochloride is not commonly used in human physiology research and the effective dose (compared to the nonselective β-blocker propranolol) is unclear. In four separate studies, we used cycle ergometry exercise and infusions of isoproterenol and epinephrine to test the heart rate (HR)- lowering effect of esmolol compared to propranolol and saline in healthy humans. In Cohort 1, both esmolol (ΔHR: 57 ± 6) and propranolol (ΔHR: 56 ± 7) attenuated exercise tachycardia compared to saline (ΔHR: 88 ± 17)...
December 29, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28012808/post-partum-hemorrhage-complicated-by-reverse-takotsubo-cardiogenic-shock-a-novel-therapeutic-approach
#7
John Papanikolaou, Demosthenes Makris, Vasiliki Tsolaki, Konstantinos Spathoulas, Epaminondas Zakynthinos
Takotsubo Cardiomyopathy (TTC) is a type of transient, yet severe left ventricular systolic dysfunction, rarely complicating extreme emotional stress ("primary" TTC) or critical medical/surgical illness ("secondary" TTC forms). Although usually reversible, TTC may result in cardiogenic shock with dismal prognosis. "Secondary" TTC forms are particularly in danger for this complication, bearing significantly worse short and long-term prognosis. Herein, we report a rare case of a life-threatening "secondary" TTC in a patient with post-cesarean section severe hemorrhage, and we point out that early co-administration of esmolol and levosimendan might be an effective and safe therapeutic approach in "reversing" TTC-induced cardiogenic shock, especially when invasive therapeutic strategies are practically unfeasible...
December 19, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27998289/effects-of-low-doses-of-esmolol-on-cardiac-and-vascular-function-in-experimental-septic-shock
#8
Chaojie Wei, Huguette Louis, Margaux Schmitt, Eliane Albuisson, Sophie Orlowski, Bruno Levy, Antoine Kimmoun
BACKGROUND: Administration of a selective β1-blocker, such as esmolol, in human septic shock has demonstrated cardiovascular protective effects related to heart rate reduction. Certain experimental data also indicate that esmolol exerts systemic anti-inflammatory and beneficial effects on vascular tone. Thus, the present study aimed to determine whether a non-chronotropic dose of esmolol maintains its protective cardiovascular and anti-inflammatory effects in experimental septic shock...
December 21, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27932571/esmolol-before-cardioplegia-and-as-cardioplegia-adjuvant-reduces-cardiac-troponin-release-after-cardiac-surgery-a-randomized-trial
#9
Elena Bignami, Marcello Guarnieri, Annalisa Franco, Chiara Gerli, Monica De Luca, Fabrizio Monaco, Giovanni Landoni, Alberto Zangrillo
BACKGROUND: Cardioplegic solutions are the standard in myocardial protection during cardiac surgery, since they interrupt the electro-mechanical activity of the heart and protect it from ischemia during aortic cross-clamping. Nevertheless, myocardial damage has a strong clinical impact. We tested the hypothesis that the short-acting beta-blocker esmolol, given immediately before cardiopulmonary bypass and as a cardioplegia additive, would provide an extra protection to myocardial tissue during cardiopulmonary bypass by virtually reducing myocardial activity and, therefore, oxygen consumption to zero...
December 8, 2016: Perfusion
https://www.readbyqxmd.com/read/27921016/use-of-dexmedetomidine-and-esmolol-for-hypotension-in-lumbar-spine-surgery
#10
Ovais Nazir, Mushtaq Ahmad Wani, Nadeem Ali, Tarun Sharma, Amit Khatuja, Rajesh Misra, Mehreen Maqsood
BACKGROUND: The importance of decreasing bleeding in spine surgery is not only important to maintain the patient's hemodynamic balance but also allow a better view of the surgical field. OBJECTIVES: The current study aimed to compare dexmedetomidine and Esmolol™ as agents to induce hypotension in lumbar spine surgeries. PATIENTS AND METHODS: A total of 50 patients aged 20 to 65 years belonging to the American society of anaesthesiologist (ASA) class I - II scheduled for decompression and fixation of the lumbar spine were included and divided into two groups namely, Group I, who received Esmolol and group II, who received dexmedetomidine, intravenously...
July 2016: Trauma Monthly
https://www.readbyqxmd.com/read/27882105/a-pilot-study-of-perioperative-esmolol-for-myocardial-protection-during-on-pump-cardiac-surgery
#11
Xue Liu, Fengxia Shao, Liu Yang, Youhai Jia
The protective effects of preprocedural esmolol on myocardial injury and hemodynamics have not, to date, been investigated in patients who were scheduled for cardiac surgeries under a cardiopulmonary bypass (CPB). A pilot randomized controlled trial was performed at The First Affiliated Hospital of Dalian Medical University (Dalian, China). Patients scheduled for elective open-heart surgeries under CBP were included, and were randomized to esmolol and control groups. For patients in the esmolol groups, intravenous esmolol (70 µg/kg/min) was administered at the time of incision until CPB was performed...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27865676/bailout-intravenous-esmolol-for-heart-rate-control-in-cardiac-computed-tomography-angiography
#12
Sílvia Aguiar Rosa, Ruben Ramos, Hugo Marques, Rosana Santos, Cecília Leal, Helena Casado, Márcia Saraiva, Luísa Figueiredo, Rui Cruz Ferreira
OBJECTIVE: To evaluate the efficacy and safety of a heart rate (HR) reduction protocol using intravenous esmolol as bailout for failed oral metoprolol regimens in patients undergoing coronary computed tomography angiography (CCTA) with 64-slice multidetector computed tomography (64-MDCT). METHODS: Patients who underwent cardiac 64-MDCT in a single institution between 2011 and 2014 were analyzed. Those with HR above 60 beats per minute (bpm) on presentation received oral metoprolol (50-200 mg) at least one hour before CCTA...
December 2016: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/27857689/the-safety-and-efficacy-of-dexmedetomidine-vs-sufentanil-in-monitored-anesthesia-care-during-burr-hole-surgery-for-chronic-subdural-hematoma-a-retrospective-clinical-trial
#13
Wenming Wang, Lei Feng, Fenfen Bai, Zongwang Zhang, Yong Zhao, Chunguang Ren
Background: Chronic subdural hematoma (CSDH) is a very common clinical emergency encountered in neurosurgery. While both general anesthesia (GA) and monitored anesthesia care (MAC) can be used during CSDH surgery, MAC is the preferred choice among surgeons. Further, while dexmedetomidine (DEX) is reportedly a safe and effective agent for many diagnostic and therapeutic procedures, there have been no trials to evaluate the safety and efficacy of DEX vs. sufentanil in CSDH surgery. Objective: To evaluate the safety and efficacy of DEX vs...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27857521/global-chemical-reactivity-parameters-for-several-chiral-beta-blockers-from-the-density-functional-theory-viewpoint
#14
Mona Maria Talmaciu, Ede Bodoki, Radu Oprean
BACKGROUND AND AIM: Beta-adrenergic antagonists have been established as first line treatment in the medical management of hypertension, acute coronary syndrome and other cardiovascular diseases, as well as for the prevention of initial episodes of gastrointestinal bleeding in patients with cirrhosis and esophageal varices, glaucoma, and have recently become the main form of treatment of infantile hemangiomas. The aim of the present study is to calculate for 14 beta-blockers several quantum chemical descriptors in order to interpret various molecular properties such as electronic structure, conformation, reactivity, in the interest of determining how such descriptors could have an impact on our understanding of the experimental observations and describing various aspects of chemical binding of beta-blockers in terms of these descriptors...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27849907/265-esmolol-improves-coronary-perfusion-pressure-compared-to-epinephrine-a-porcine-model
#15
Viktor Ringgård, Kristian Wemmelund, Erik Sloth, Peter Juhl-Olsen
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27833686/first-report-of-survival-in-refractory-ventricular-fibrillation-after-dual-axis-defibrillation-and-esmolol-administration
#16
Kevin M Boehm, Daniel C Keyes, Laura E Mader, J Michelle Moccia
There is a subset of patients who suffer a witnessed ventricular fibrillation (VF) arrest and despite receiving reasonable care with medications (epinephrine and amiodarone) and multiple defibrillations (3+ attempts at 200 joules of biphasic current) remain in refractory VF (RVF), also known as electrical storm. The mortality for these patients is as high as 97%. We present the case of a patient who, with a novel approach, survived RVF to outpatient follow up.
November 2016: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27812903/expanding-the-horizon-of-robotic-surgery-to-large-pelvic-paraganglioma
#17
Santosh Kumar, M Pragatheeswarane, Aditya Prakash Sharma, Kshitij Bishnoi, Manjeet Kumar Sharma, Vikas Kumar Panwar, Sameer Sethi
INTRODUCTION: Paragangliomas are the most common extra-adrenal pheochromocytoma. Symptomatic and growing tumors demand surgical extirpation. Minimally invasive techniques allow surgeons to perform the procedure without wide exposure and mobilization of intra-abdominal organs. To our knowledge, we present the fourth case of robotic excision of a large retroperitoneal paraganglioma. MATERIALS AND METHODS: An 18-year-old unmarried female presented with occipital headache for past 3 years...
November 3, 2016: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/27805446/assessment-of-left-ventricular-volume-and-function-in-healthy-dogs-by-use-of-one-two-and-three-dimensional-echocardiography-versus-multidetector-computed-tomography
#18
Katherine F Scollan, Susanne M Stieger-Vanegas, D David Sisson
OBJECTIVE To compare left ventricle (LV) volume and function variables obtained by use of 1-D, 2-D, and real-time 3-D echocardiography versus ECG-gated multidetector row CT (MDCT) angiography, which was considered the criterion-referenced standard. ANIMALS 6 healthy, purpose-bred dogs. PROCEDURES Dogs were anesthetized and administered a constant rate infusion of esmolol, and 1-D, 2-D, and 3-D echocardiography and ECG-gated, contrast-enhanced MDCT were performed. End-diastolic volume (EDV), end-systolic volume (ESV), stroke volume, and ejection fraction (EF) were calculated by use of the Teichholz method for 1-D echocardiography, single-plane and biplane modified Simpson method of disks (MOD) and area-length method for 2-D echocardiography, and real-time biplane echocardiography (RTBPE) and real-time 3-D echocardiography (RT3DE) for 3-D echocardiography...
November 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27776179/3d-real-time-echocardiography-combined-with-mini-pressure-wire-generate-reliable-pressure-volume-loops-in-small-hearts
#19
Ulrike Herberg, Katharina Linden, Oliver Dewald, Eva Gatzweiler, Matthias Seehase, Georg Daniel Duerr, Jonas Dörner, Stephanie Kleppe, Dennis Ladage, Johannes Breuer
BACKGROUND: Pressure-volume loops (PVL) provide vital information regarding ventricular performance and pathophysiology in cardiac disease. Unfortunately, acquisition of PVL by conductance technology is not feasible in neonates and small children due to the available human catheter size and resulting invasiveness. The aim of the study was to validate the accuracy of PVL in small hearts using volume data obtained by real-time three-dimensional echocardiography (3DE) and simultaneously acquired pressure data...
2016: PloS One
https://www.readbyqxmd.com/read/27746555/a-comparative-study-of-esmolol-and-dexmedetomidine-on-hemodynamic-responses-to-carbon-dioxide-pneumoperitoneum-during-laparoscopic-surgery
#20
Dhurjoti Prosad Bhattacharjee, Sauvik Saha, Sanjib Paul, Shibsankar Roychowdhary, Shirsendu Mondal, Suhrita Paul
BACKGROUND: Carbon dioxide pneumoperitoneum for laparoscopic surgery increases arterial pressures, heart rate (HR), and systemic vascular resistance. In this randomized, single-blind, placebo-controlled clinical study, we investigated and compared the efficacy of esmolol and dexmedetomidine to provide perioperative hemodynamic stability in patients undergoing laparoscopic cholecystectomy. METHODS: Sixty patients, of either sex undergoing elective laparoscopic cholecystectomy, were randomly allocated into three groups containing twenty patients each...
September 2016: Anesthesia, Essays and Researches
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