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https://www.readbyqxmd.com/read/28726655/influence-of-beta-blockers-and-ivabradine-on-long-term-prognosis-of-patients-with-stable-angina
#1
T Ilashchuk, O Glubochenko, B Senyuk, N Bachuk-Ponich, I Lukashevich
The purpose of the study was to evaluate the influence of beta-blockers and ivabradine on long-term prognosis of patients with stable angina. 90 patients with stable angina that have been involved in present study along with nitrates, antiplatelet agents and statins received bisoprolol (Group I), carvedilol (Group II) and ivabradine (Group III). We analyzed the following indicators: patient adherence to treatment, cases of myocardial infarction and circulatory decompensation, which resulted in necessity of patient's hospitalization during the year of observation, calculating the probability of achieving a key prognostic endpoint by patient using the concept of the odds ratio and determination of important components in the progression of the disease...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28726654/the-safety-and-efficacy-of-amiodarone-and-carvedilol-combination-in-treatment-of-patients-with-severe-cardiac-rhythm-disorders
#2
E Tsetskhladze, I Khintibidze
Different arrhythmias are cause of sudden death in many patients with heart failure. Amiodarone is usually used for prevent this arrhythmias, but it is not drug of choice for treatment the patients with heart failure. We retrospectively analyzed 142 patients with moderate and severe heart failure and history of myocardial infarction. These patients have received amiodarone, carvedilol or combination of these two medications together with standard therapy. In our retrospective analysis, the combination therapy with Amiodarone and Carvedilol had highly significant decrease arrhythmic death compare with carvedilol and amiodarone groups...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28720509/the-neuropeptide-galanin-promotes-an-anti-thrombotic-phenotype-on-endocardial-endothelial-cells-from-heart-failure-patients
#3
Christina Tyrrell, Amanda Toyooka, Faiza Khan, Kent L Thornburg, James O Mudd, Wohaib Hasan
Thromboembolic complications are a significant cause of mortality and re-hospitalization in heart failure (HF) patients. One source of thrombi is the ventricular endocardial surface that becomes increasingly pro-thrombotic as HF progresses. Anticoagulation comes with bleeding risks so identifying therapeutic agents for improving cardiac endothelial health are of critical clinical importance. Endocardial endothelial cells are closely apposed to cardiac sympathetic nerves. In HF, cardiac sympathetic nerves are dysregulated and promote disease progression...
July 12, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28718228/early-initiation-of-beta-blockers-following-primary-endoscopic-therapy-for-bleeding-oesophageal-varices-in-cirrhotics
#4
Adnan Salim, Kashif Malik, Muhammad Omer Farooq, Umair Butt, Arshad Kamal Butt, Altaf Alam
BACKGROUND AND AIMS: Beta-blockers provide secondary prophylaxis following endoscopic therapy for variceal bleeding. Guidelines recommend starting beta-blockers 6 days after endoscopy to prevent masking hemodynamic signs of re-bleeding. We aimed to see safety of earlier initiation of betablockers. METHODS: Cirrhotic patients with upper GI bleed were given intravenous vasoactive agents until undergoing endoscopy. Patients with only oesophageal varices as source of bleed were recruited...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28711030/carvedilol-can-attenuate-histamine-induced-paw-edema-and-formaldehyde-induced-arthritis-in-rats-without-risk-of-gastric-irritation
#5
Faf Sayed Osman, Dina Ahmed Labib, Mahmoud M Kamel
BACKGROUND AND AIM: Rheumatoid arthritis treatment aims to control joint damage and any associated complications such as cardiovascular disease. Most anti-inflammatory drugs have a high tendency to cause gastro-intestinal irritation. The present study is designed to investigate the anti-inflammatory effect of carvedilol and to study its effect on gastric mucosa. EXPERIMENTAL APPROACH: Lornoxicam (1.3mg/kg) or carvedilol (10mg/kg) was administrated orally 1h before histamine injection into animals of a histamine-induced paw edema model and orally daily for 11days into animals of a formaldehyde-induced arthritis model...
July 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28698881/assessment-of-haemodynamic-response-to-nonselective-beta-blockers-in-portal-hypertension-by-phase-contrast-magnetic-resonance-angiography
#6
Natasha McDonald, David M L Lilburn, Neil J Lachlan, Gillian Macnaught, Dilip Patel, Arjun N A Jayaswal, Peter C Hayes, Scott I Semple, Jonathan A Fallowfield
A significant unmet need exists for accurate, reproducible, noninvasive diagnostic tools to assess and monitor portal hypertension (PHT). We report the first use of quantitative MRI markers for the haemodynamic assessment of nonselective beta-blockers (NSBB) in PHT. In a randomized parallel feasibility study in 22 adult patients with PHT and a clinical indication for NSBB, we acquired haemodynamic data at baseline and after 4 weeks of NSBB (propranolol or carvedilol) using phase-contrast MR angiography (PC-MRA) in selected intra-abdominal vessels...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28692870/air-assisted-liquid-liquid-microextraction-using-floating-organic-droplet-solidification-for-simultaneous-extraction-and-spectrophotometric-determination-of-some-drugs-in-biological-samples-through-chemometrics-methods
#7
Farnaz Farahmand, Bahar Ghasemzadeh, Abdolhossein Naseri
An air assisted liquid-liquid microextraction by applying the solidification of a floating organic droplet method (AALLME-SFOD) coupled with a multivariate calibration method, namely partial least squares (PLS), was introduced for the fast and easy determination of Atenolol (ATE), Propanolol (PRO) and Carvedilol (CAR) in biological samples via a spectrophotometric approach. The analytes would be extracted from neutral aqueous solution into 1-dodecanol as an organic solvent, using AALLME. In this approach a low-density solvent with a melting point close to room temperature was applied as the extraction solvent...
July 3, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28687594/reduced-threshold-for-store-overload-induced-ca-2-release-is-a-common-defect-of-ryr1-mutations-associated-with-malignant-hyperthermia-and-central-core-disease
#8
Wenqian Chen, Andrea Koop, Yingjie Liu, Wenting Guo, Jinhong Wei, Ruiwu Wang, David H MacLennan, Robert T Dirksen, S R Wayne Chen
Mutations in the skeletal muscle ryanodine receptor (RyR1) cause malignant hyperthermia (MH) and central core disease (CCD), while mutations in the cardiac ryanodine receptor (RyR2) lead to catecholaminergic polymorphic ventricular tachycardia (CPVT). Most disease-associated RyR1 and RyR2 mutations are located in the N-terminal, central, and C-terminal regions of the corresponding RyR isoform. An increasing body of evidence demonstrates that CPVT-associated RyR2 mutations enhance the propensity for spontaneous Ca(2+) release during store Ca(2+) overload, a process known as store-overload induced Ca(2+) release (SOICR)...
July 7, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28660548/chemotherapy-induced-cardiomyopathy-caused-by-pemetrexed
#9
Takuya Oyakawa, Kei Iida, Masatoshi Kusuhara, Hirotsugu Kenmotsu, Takashi Sugino
Chemotherapy-related cardiac toxicity is a rare but serious adverse event in patients with cancer. Thus far, no case of serious cardiac toxicity of pemetrexed has been reported. We describe the case of a patient with advanced lung cancer and cardiomyopathy due to pemetrexed. A 59-year-old woman visited our hospital, and we found abnormal findings on a chest radiograph. She was diagnosed as having stage IV lung adenocarcinoma. Chemotherapy with cisplatin and pemetrexed every 3 weeks was initiated. After four cycles of chemotherapy, maintenance chemotherapy with pemetrexed was administered every 3 weeks...
June 28, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28651622/modulation-of-hepatic-perfusion-did-not-improve-recovery-from-hepatic-outflow-obstruction
#10
J Arlt, W Wei, C Xie, A Homeyer, U Settmacher, U Dahmen, O Dirsch
BACKGROUND: Focal hepatic venous outflow obstruction frequently occurs after extended liver resection and leads to a portal hypertension, arterial hypoperfusion and parenchymal necrosis. In this study, we investigated the pharmacological modulation of liver perfusion and hepatic damage in a surgical model of hepatic outflow obstruction after extended liver resection by administration of 5 different drugs in comparison to an operative intervention, splenectomy. METHODS: Male inbred Lewis rats (Lew/Crl) were subjected to right median hepatic vein ligation + 70% partial hepatectomy...
June 26, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28650912/the-effect-of-vasodilator-%C3%AE-blockers-on-renal-function-in-hypertensive-patients
#11
Lawrence H Kwon, Karan Wats, Clive Rosendorff
BACKGROUND: Not only is there a limited number of studies on the effects of vasodilator β-blocker (VBB) therapy on kidney function - specifically, glomerular filtration rate (GFR), serum creatinine (sCr) and proteinuria - but of those that have been reported, the results are mixed. This meta-analysis seeks to assess the efficacy of VBBs on selected renal parameters in hypertensive patients. METHODS: We conducted a meta-analysis of any prospective trial that provided both baseline and follow-up of at least 4 weeks of VBB therapy - carvedilol, labetalol, dilevalol, nebivolol and celiprolol in patients with hypertension...
June 24, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28646384/lipophilicity-influences-drug-binding-to-%C3%AE-1-acid-glycoprotein-f1-s-variants-but-not-to-the-a-variant
#12
Kazuhiko Hanada
OBJECTIVE: Human α1-acid glycoprotein has genetic variants, the F1, S, and A variants, which can be separated isoelectrophoretically. These variants show differences in their affinity of binding to several drugs. In this study, we investigated the factors determining drug binding to these α1-acid glycoprotein genetic variants using disopyramide, warfarin, and tamsulosin as marker compounds. METHODS: Binding of the marker drugs to human α1-acid glycoprotein was determined by ultra-filtration in the presence or absence of various other drugs...
June 23, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28641581/thyrotoxic-and-pheochromocytoma-multisystem-crisis-a-case-report
#13
Kodai Suzuki, Takahito Miyake, Hideshi Okada, Fuminori Yamaji, Yuichiro Kitagawa, Tetsuya Fukuta, Ryu Yasuda, Yoshihito Tanaka, Haruka Okamoto, Sho Nachi, Tomoaki Doi, Takahiro Yoshida, Keisuke Kumada, Shozo Yoshida, Hiroaki Ushikoshi, Izumi Toyoda, Shinji Ogura
BACKGROUND: Thyrotoxic crisis and pheochromocytoma multisystem crisis are rare, life-threatening, emergency endocrine diseases with various clinical manifestations. Here we report a case of a patient who simultaneously developed thyrotoxic crisis and pheochromocytoma multisystem crisis and required intensive cardiovascular management. CASE PRESENTATION: A 60-year-old Asian man experienced nausea and vomiting, and subsequently developed dyspnea and cold sweats while farming...
June 23, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28630605/xinfuli-granule-improves-post-myocardial-infarction-ventricular-remodeling-and-myocardial-fibrosis-in-rats-by-regulating-tgf-%C3%AE-smads-signaling-pathway
#14
Jie Ma, Zhi-Yuan Li, Xiao-Peng Liang, Cai-Xia Guo, Pei-Pei Lu, Li-Hong Ma
BACKGROUND: Recent clinical and experimental studies have confirmed the effects of Xinfuli Granule (XG), a compound Chinese medicine in the prevention and treatment of heart failure (HF). This study aimed to investigate the effects and the mechanisms of XG on ventricular reconstruction in rats with acute myocardial infarction (AMI). METHODS: Sprague-Dawley rats were subjected to left anterior descending branch ligation. The rats that survived 24 h were randomly assigned to five groups: medium-dose of XG group (MI+XGM), high-dose of XG group (MI+XGH), carvedilol group (MI+C), medium-dose of XG + carvedilol group (MI+C+XGM)...
May 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28630169/patient-specific-drug-screening-using-a-human-induced-pluripotent-stem-cell-model-of-catecholaminergic-polymorphic-ventricular-tachycardia-type-2
#15
Leonid Maizels, Irit Huber, Gil Arbel, Anke J Tijsen, Amira Gepstein, Asaad Khoury, Lior Gepstein
BACKGROUND: Catecholaminergic polymorphic ventricular tachycardia type 2 (CPVT2) results from autosomal recessive CASQ2 mutations, causing abnormal Ca(2+)-handling and malignant ventricular arrhythmias. We aimed to establish a patient-specific human induced pluripotent stem cell (hiPSC) model of CPVT2 and to use the generated hiPSC-derived cardiomyocytes to gain insights into patient-specific disease mechanism and pharmacotherapy. METHODS AND RESULTS: hiPSC cardiomyocytes were derived from a CPVT2 patient (D307H-CASQ2 mutation) and from healthy controls...
June 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28603020/hot-melt-extrusion-hme-as-solvent-free-technique-for-a-continuous-manufacturing-of-drug-loaded-mesoporous-silica
#16
Natalja Genina, Batol Hadi, Korbinian Löbmann
The aim of the study was to explore hot melt extrusion (HME) as a solvent-free drug loading technique for preparation of stable amorphous solid dispersions (ASD) using mesoporous silica (PSi). Ibuprofen (IBU) and carvedilol (CAR) were used as poorly soluble active pharmaceutical ingredients (APIs). Due to the high friction of a API: PSi mixture below the loading limit of the API, it was necessary to add the polymer Soluplus(®) (SOL) in order to enable the extrusion process. As a result the APIs distributed between the PSi and SOL phase after HME...
June 8, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28595719/effects-of-carvedilol-or-amlodipine-on-target-organ-damage-in-l-name-hypertensive-rats-their-relationship-with-blood-pressure-variability
#17
Julieta S Del Mauro, Paula D Prince, Martín Donato, Nahuel Fernandez Machulsky, Marcela A Morettón, Germán E González, Facundo M Bertera, Andrea Carranza, Susana B Gorzalczany, Diego A Chiappetta, Gabriela Berg, Celina Morales, Ricardo J Gelpi, Carlos A Taira, Christian Höcht
The aim of the study was to compare the effects of chronic oral treatment with carvedilol or amlodipine on blood pressure, blood pressure variability and target organ damage in N-nitro-l-arginine methyl ester (L-NAME) hypertensive rats. Wistar rats were treated with L-NAME administered in the drinking water for 8 weeks together with oral administration of carvedilol 30 mg/kg (n = 6), amlodipine 10 mg/kg (n = 6), or vehicle (n = 6). At the end of the treatment, echocardiographic evaluation, blood pressure, and short-term variability measurements were performed...
April 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28584488/moisture-sorption-desorption-characteristics-and-the-corresponding-thermodynamic-properties-of-carvedilol-phosphate
#18
Ravikiran Allada, Arthanareeswari Maruthapillai, Kamaraj Palanisamy, Praveen Chappa
AIMS: Carvedilol phosphate (CDP) is a nonselective beta-blocker used for the treatment of heart failures and hypertension. In this work, moisture sorption-desorption characteristics and thermodynamic properties of CDP have been investigated. MATERIALS AND METHODS: The isotherms were determined using dynamic vapor sorption analyzer at different humidity conditions (0%-90% relative humidity) and three pharmaceutically relevant temperatures (20°C, 30°C, and 40°C)...
January 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28577685/lisinopril-or-coreg-cr-in-reducing-cardiotoxicity-in-women-with-breast-cancer-receiving-trastuzumab-a-rationale-and-design-of-a-randomized-clinical-trial
#19
Maya Guglin, Pamela Munster, Angelina Fink, Jeffrey Krischer
BACKGROUND: Trastuzumab (TZB) is an established therapy for HER2-positive breast cancer. The use of TZB is commonly associated with cardiotoxicity manifesting as asymptomatic decrease in left ventricular ejection fraction (LVEF) or overt heart failure. Several studies demonstrated favorable effects of angiotensin-converting enzyme (ACE) inhibitors and β-blockers (BBs) in the prevention of chemotherapy-induced cardiotoxicity. We hypothesize that patients, randomized to receive an ACE inhibitor or a BB during trastuzumab therapy for breast cancer, will maintain a higher LVEF than patients randomized to placebo...
June 2017: American Heart Journal
https://www.readbyqxmd.com/read/28566627/analysis-of-clinical-efficacy-and-adverse-effects-of-%C3%AE-blocking-agents-used-clinically-for-chronic-heart-failure
#20
Risa Takayanagi, Kaori Fujito, Koji Kimura, Yasuhiko Yamada
Clinical efficacy and adverse effects of the β-blocking agents, carvedilol, bisoprolol, and metoprolol were analyzed theoretically, and then compared quantitatively, for the purpose of determining their proper use for chronic heart failure. Initially, we evaluated occupancy binding to the β1 and β2 receptors (Фss(β1) and Фss(β2)) by these drugs. Thereafter, we examined the relationship between Фss(β1) values and left ventricular ejection fraction (LVEF) increase rate to determine efficacy. The result showed that the efficacy with carvedilol could be attained with a lower Фss(β1) value than the others...
2017: Biological & Pharmaceutical Bulletin
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