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https://www.readbyqxmd.com/read/28099796/a-fixed-dose-combination-of-bisoprolol-and-amlodipine-for-hypertension-a-potential-benefit-to-selected-patients
#1
EDITORIAL
Brian J Cohen
No abstract text is available yet for this article.
January 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28073770/impact-of-beta-blocker-initiation-timing-on-mortality-risk-in-patients-with-diabetes-mellitus-undergoing-noncardiac-surgery-a-nationwide-population-based-cohort-study
#2
Ray-Jade Chen, Hsi Chu, Lung-Wen Tsai
BACKGROUND: Relevant clinical studies have been small and have not convincingly demonstrated whether the perioperative initiation of beta-blockers should be considered in patients with diabetes mellitus undergoing noncardiac surgery. METHODS AND RESULTS: In this nationwide propensity score-matched study, we included patients with diabetes mellitus undergoing noncardiac surgery between 2000 and 2011 from Taiwan's National Health Insurance Research Database. Patients were classified as beta-blocker and non-beta-blocker cohorts...
January 10, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28041715/evaluating-the-effectiveness-of-different-beta-adrenoceptor-blockers-in-heart-failure-patients
#3
Tien-Yu Lin, Chung-Yu Chen, Yaw-Bin Huang
BACKGROUND: According to guidelines and pivotal trials, β-blockers are associated with better survival in patients with heart failure (HF). However, the superiority of any β-blockers is still unclear. METHODS: This retrospective cohort study was conducted using the National Health Insurance Research Database in Taiwan to evaluate the effectiveness of β-blockers and compare the clinical outcomes of different β-blockers in patients with HF. We enrolled patients diagnosed with HF between 2005 and 2012...
December 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28035420/argininosuccinate-lyase-interacts-with-cyclin-a2-in-cytoplasm-and-modulates-growth-of-liver-tumor-cells
#4
Yu-Hsuan Hung, Hau-Lun Huang, Wei-Ching Chen, Meng-Chi Yen, Chien-Yu Cho, Tzu-Yang Weng, Chih-Yang Wang, Yi-Ling Chen, Li-Tzong Chen, Ming-Derg Lai
Arginine is a critical amino acid in specific cancer types including hepatocellular carcinoma (HCC) and melanoma. Novel molecular mechanisms and therapeutic targets in arginine metabolism-mediated cancer formation await further identification. Our laboratory has previously demonstrated that arginine metabolic enzyme argininosuccinate lyase (ASL) promoted HCC formation in part via maintenance of cyclin A2 protein expression and arginine production for channeling to nitric oxide synthase. In this study, we investigated the mechanism by which ASL regulates cyclin A2 expression...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/27971997/risk-of-mortality-and-hospital-readmission-among-older-adults-with-heart-failure-treated-with-carvedilol-bisoprolol-or-metoprolol-tartrate
#5
S Perreault, S de Denus, M White, B White-Guay, M Dorais, M Dubé, J Rouleau
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27925253/fast-and-sensitive-analysis-of-beta-blockers-by-ultra-highperformance-liquid-chromatography-coupled-with-ultrahigh-resolution-tof-mass-spectrometry
#6
Jana Tomková, Peter Ondra, Eva Kocianová, Jan Václavík
This paper presents a method for the determination of acebutolol, betaxolol, bisoprolol, metoprolol, nebivolol and sotalol in human serum by liquid-liquid extraction (LLE) and ultra-high-performance liquid chromatography coupled with ultra-high-resolution TOF mass spectrometry (UHPLC-UHR-TOF MS). After liquid-liquid extraction, beta blockers were separated on a reverse phase analytical column Acclaim RS 120 (100 × 2.1 mm, 2.2 µm). The total run time was 6 min for each sample. Linearity, limit of detection (LOD), limit of quantification (LOQ), matrix effects, specificity, precision, accuracy, recovery and sample stability were evaluated...
December 7, 2016: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/27913026/assessing-membrane-fouling-and-the-performance-of-pilot-scale-membrane-bioreactor-mbr-to-treat-real-municipal-wastewater-during-winter-season-in-nordic-regions
#7
Khum Gurung, Mohamed Chaker Ncibi, Mika Sillanpää
In this study, the performance of a pilot-scale membrane bioreactor (MBR) to treat real municipal wastewater was assessed at low temperatures (7 to 20°C) in Nordic regions. First, the effect of low temperatures on membrane fouling was evaluated by monitoring trans-membrane pressure. A significant membrane fouling was observed when the sludge temperature inside the MBR unit was below 10°C with a 75% permeability drop, thus indicating high deterioration of the membrane performance at low temperatures. Moreover, increasing values of sludge volume index (SVI) during low temperatures showed high deterioration of sludge settleability...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27893331/multidisciplinary-approach-to-novel-therapies-in-cardio-oncology-research-manticore-101-breast-a-randomized-trial-for-the-prevention-of-trastuzumab-associated-cardiotoxicity
#8
Edith Pituskin, John R Mackey, Sheri Koshman, Davinder Jassal, Marshall Pitz, Mark J Haykowsky, Joseph J Pagano, Kelvin Chow, Richard B Thompson, Larissa J Vos, Sunita Ghosh, Gavin Y Oudit, Justin A Ezekowitz, D Ian Paterson
Purpose The primary toxicity of trastuzumab therapy for human epidermal growth factor receptor 2-overexpressing (HER2-positive) breast cancer is dose-independent cardiac dysfunction. Angiotensin-converting enzyme inhibitors and β-blockers are recommended first-line agents for heart failure. We hypothesized that angiotensin-converting enzyme inhibitors and β-blockers could prevent trastuzumab-related cardiotoxicity. Patients and Methods In this double-blinded, placebo-controlled trial, patients with HER2-positive early breast cancer were randomly assigned to receive treatment with perindopril, bisoprolol, or placebo (1:1:1) for the duration of trastuzumab adjuvant therapy...
November 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27882023/effects-of-bisoprolol-in-combination-with-trimetazidine-on-the-treatment-of-heart-failure-and-concomitant-chronic-obstructive-pulmonary-disease
#9
Yuanyuan Ke, Dingli Xu, Minxiong Li, Zenglong Wu, Yongpeng Huang
OBJECTIVE: To evaluate the effects of bisoprolol combined with trimetazidine on the treatment of heart failure patients having concomitant chronic obstructive pulmonary disease (COPD); in comparison with control group treated with standard therapy only. METHODS: A total of 120 heart failure patients having concomitant COPD were selected and randomly divided into a control group and a treatment group according to different treatment methods (n=60). The control group was given continuous low flow oxygen inhalation and inotropic agents, and their cardiac stress was also reduced...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27859924/older-adults-with-heart-failure-treated-with-carvedilol-bisoprolol-or-metoprolol-tartrate-risk-of-mortality
#10
Sylvie Perreault, Simon de Denus, Michel White, Brian White-Guay, Michel Bouvier, Marc Dorais, Marie-Pierre Dubé, Jean-Lucien Rouleau, Jean-Claude Tardif, Sarah Jenna, Benjamin Haibe-Kains, Richard Leduc, Denis Deblois
PURPOSE: The long-term use of β-blockers has been shown to improve clinical outcomes among patients with heart failure (HF). However, a lack of data persists in assessing whether carvedilol or bisoprolol are superior to metoprolol tartrate in clinical practice. We endeavored to compare the effectiveness of β-blockers among older adults following a primary hospital admission for HF. METHODS: We conducted a cohort study using Quebec administrative databases to identify patients who were using β-blockers, carvedilol, bisoprolol, or metoprolol tartrate after the diagnosis of HF...
November 16, 2016: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/27857521/global-chemical-reactivity-parameters-for-several-chiral-beta-blockers-from-the-density-functional-theory-viewpoint
#11
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/27856806/comparative-effectiveness-of-fourth-line-anti-hypertensive-agents-in-resistant-hypertension-a-systematic-review-and-meta-analysis
#12
REVIEW
Sarah-Jo Sinnott, Laurie A Tomlinson, Adrian A Root, Rohini Mathur, Kathryn E Mansfield, Liam Smeeth, Ian J Douglas
AIM: We assessed the effectiveness of fourth-line mineralocorticoid receptor antagonists in comparison with other fourth-line anti-hypertensive agents in resistant hypertension. METHODS AND RESULTS: We systematically searched Medline, EMBASE and the Cochrane library from database inception until January 2016. We included randomised and non-randomised studies that compared mineralocorticoid receptor antagonists with other fourth-line anti-hypertensive agents in patients with resistant hypertension...
November 17, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27792991/protective-effects-of-bisoprolol-against-myocardial-injury-and-pulmonary-dysfunction-in-patients-with-chronic-heart-failure
#13
Shigeru Toyoda, Akiko Haruyama, Shu Inami, Hirohisa Amano, Takuo Arikawa, Masashi Sakuma, Shichiro Abe, Atsushi Tanaka, Koichi Node, Teruo Inoue
OBJECTIVES: This study was designed to elucidate differences in effects of 2 beta blockers, bisoprolol and carvedilol, in patients with chronic heart failure. BACKGROUND: Although the beta blockers bisoprolol and carvedilol are commonly used in patients with chronic heart failure, differences in the efficacy and safety of these medications have not been established in this patient population. METHODS: Patients with chronic systolic heart failure, defined as ≤45% ejection fraction, who had received intensive medical therapy with the exception of beta blockers, were randomly assigned to receive either bisoprolol or carvedilol for 24weeks...
October 22, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27789106/reversible-dilated-cardiomyopathy-caused-by-a-high-burden-of-ventricular-arrhythmias-in-andersen-tawil-syndrome
#14
Saman Rezazadeh, Jiqing Guo, Henry J Duff, Raechel A Ferrier, Brenda Gerull
Andersen-Tawil syndrome (ATS) is caused by mutations in KCNJ2 (Kir2.1). It remains unclear whether dilated cardiomyopathy (DCM) is a primary feature of ATS. We studied a proband with typical physical features of ATS plus DCM and moderate to severe left ventricular dysfunction (left ventricular ejection fraction = 30.5%). Genetic screening revealed a novel mutation in Kir2.1 (c.665T>C, p.L222S). Functional studies showed that this mutation reduced ionic currents in a dominant-negative manner. Suppression of ventricular arrhythmias with bisoprolol led to normalization of left ventricular size and function...
July 27, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/27781273/forecasting-oral-absorption-across-biopharmaceutics-classification-system-classes-with-physiologically-based-pharmacokinetic-models
#15
Simone Hansmann, Adam Darwich, Alison Margolskee, Leon Aarons, Jennifer Dressman
OBJECTIVES: The aim of this study was (1) to determine how closely physiologically based pharmacokinetic (PBPK) models can predict oral bioavailability using a priori knowledge of drug-specific properties and (2) to examine the influence of the biopharmaceutics classification system class on the simulation success. METHODS: Simcyp Simulator, GastroPlus(™) and GI-Sim were used. Compounds with published Biowaiver monographs (bisoprolol (BCS I), nifedipine (BCS II), cimetidine (BCS III), furosemide (BCS IV)) were selected to ensure availability of accurate and reproducible data for all required parameters...
December 2016: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/27754210/os-31-02-antihypertensive-response-to-bisoprolol-was-not-related-to-polymorphisms-in-adrb1-or-cyp2d6-in-chinese-hypertensive-patients
#16
Weiwei Zeng, Tanya Chu, Miao Hu, Alice Kong, Brian Tomlinson
OBJECTIVE: The blood pressure (BP) response to antihypertensive drugs varies considerably between different patients. The response to some beta-blockers has been associated with polymorphisms in the beta1-adrenergic receptor (ADRB1) or cytochrome P450 2D6 (CYP2D6) genes. We examined the effects of common polymorphisms in ADRB1 and CYP2D6 on the response to bisoprolol in 100 Chinese patients. DESIGN AND METHOD: Chinese patients with primary hypertension with sitting clinic systolic BP (SBP) 140-169 mmHg and/or diastolic BP (DBP) 90-109 mmHg after placebo run-in were treated with open-label bisoprolol 2...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27754015/br-04-1management-of-treatment-resistant-hypertension
#17
David John Webb
Treatment-resistant hypertension (TRH) is defined as the failure to achieve an office BP target of <140/90 mmHg (<130/80 mmHg in patients with chronic kidney disease (CKD) or diabetes) in patients with hypertension (HT), despite adherence to at least 3 antihypertensive medications at optimal tolerated doses, ideally including a diuretic (Calhoun et al., Circulation 2008). TRH identifies patients with hard-to-treat HT, who might benefit from specialist investigation and treatment. Although some studies put the prevalence of TRH as >10%, these levels may be inflated by white-coat hypertension and poor adherence...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753923/os-04-07-the-comparative-effectiveness-of-4th-line-anti-hypertensive-agents-in-patients-with-resistant-hypertension-a-meta-analysis
#18
Sarah-Jo Sinnott, Adrian Root, Rohini Mathur, Kathryn Mansfield, Laurie Tomlinson, Ian Douglas
OBJECTIVE: Recent evidence points to the effectiveness of spironolactone vs placebo in the treatment of resistant hypertension (RH). However, placebo is rarely a realistic treatment choice in uncontrolled hypertension. Using meta-analysis, we assessed the effectiveness of alternative 4 line anti-hypertensive agents in comparison to 4 line spironolactone/eplenerone in RH. DESIGN AND METHOD: Pubmed, EMBASE and the Cochrane library were systematically searched for randomised and non-randomised studies that compared any 4 line anti-hypertensive agent to spironolactone/eplenerone in RH...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753873/ish-aha-2-a-case-of-chronic-indolent-pheochromocytoma-which-caused-medically-controlled-hypertension-but-treatment-resistant-diabetes-mellitus
#19
Hae-Young Lee, Chan-Soon Park, Sang-Hoon Na, Kyung-Jin Kim, Chan Joo Lee, Sungha Park
A 47-year-old woman was admitted via emergency department due to dyspnea NYHA Fc II-III aggravated for 2 months after upper respiratory infection. Her height and body weight were 161 cm / 67 kg. Initial vital signs were 110/70 mmHg - 112 BPM - 24/min - 36.5°C. Chest PA showed cardiomegaly and pulmonary congestion (Figure 1). B-natriuretic peptide level was markedly increased (2002 pg/mL, normal range ≤ 100 pg/mL). The echocardiographic examination showed severely dilated LV cavity (61/72 mm) and severe LV systolic dysfunction (EF 28%) with normal left ventricular wall thickness (9/11 mm) (Figure 2)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27747019/cardiogenic-syncope-possibly-related-to-bevacizumab-containing-combination-chemotherapy-for-advanced-non-small-cell-lung-cancer
#20
Haruka Chino, Yosuke Amano, Yasuhiro Yamauchi, Jun Matsuda, Norihiko Takeda, Goh Tanaka, Daiya Takai, Takahide Nagase
We report the case of a 55-year-old man with stage IV lung adenocarcinoma who received carboplatin-paclitaxel-bevacizumab chemotherapy as second-line therapy. After four cycles of chemotherapy, he experienced syncope with a decrease in blood pressure. Electrocardiography (ECG) revealed atrial fibrillation. Cardiac ultrasonography showed a markedly reduced ejection fraction (45%), with moderate decrease in comparison to that before chemotherapy (66%). Bisoprolol fumarate was initiated, and the conversion to sinus rhythm was detected by ECG 4 days after the syncope...
September 2016: Journal of Thoracic Disease
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