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https://www.readbyqxmd.com/read/28608512/commencement-of-cardioselective-beta-blockers-during-hospitalisation-for-acute-exacerbations-of-chronic-obstructive-pulmonary-disease
#1
Pieter A Neef, Louise M Burrell, Christine F McDonald, Louis B Irving, Douglas F Johnson, Daniel P Steinfort
BACKGROUND: In patients with chronic obstructive pulmonary disease (COPD) and comorbid cardiovascular disease emerging evidence suggests a benefit in commencing cardioselective beta-blockers. AIM: Our objective was to determine the safety of beta-blocker commencement during hospitalisation for acute exacerbation of COPD. METHODS: A retrospective cohort study of 1,071 patients hospitalised for acute exacerbation of COPD was conducted across two tertiary hospitals over a 12-month period...
June 13, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28600036/effects-of-liver-depression-and-psychological-stress-on-human-uterine-leiomyoma-cells-by-an-ar-camp-pka-signal-transduction-pathway
#2
Tian Xia, Shuang Li, Ruihong Ma, Sufen Guan, Jiacui Li, Hongqin Li, Hexin Zhang, Qiu Lin, Zhimei Zhao, Baojuan Wang
OBJECTIVE: Based on the emotional theory of Traditional Chinese Medicine, and combined with the modern medicine theory of psychological stress, a research model of human uterine leiomyoma cells (ULM) was cultured in vitro to determine the effectiveness of adrenergic receptor (AR) agonists in human ULM cell growth. In addition, we studied the functional influence of "liver depression and psychological stress theory" on fibroid formation by intervening in the AR-cAMP-PKA signaling pathway...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28599946/a-58-year-old-man-with-fatigue-weight%C3%A2-loss-and-diffuse-miliary-pulmonary%C3%A2-opacities
#3
Udit Chaddha, Rebekah English, Jessica Daniels, Rajat Walia, Atul C Mehta, Tanmay S Panchabhai
A 58-year-old man presented with a 6-month history of profound fatigue and a weight loss of 35 to 40 pounds. He reported occasional night sweats and mildly painful knees and elbows without swelling or redness. He denied respiratory symptoms, rashes, or fevers. He had no respiratory symptoms. The patient's history was significant for rheumatoid arthritis (with arthralgias and joint involvement), paroxysmal atrial fibrillation, and hypothyroidism. His medications included digoxin and metoprolol. He had been taking methotrexate and low-dose prednisone (5 mg) for approximately 10 years but discontinued taking these medications 2 years prior to current presentation...
June 2017: Chest
https://www.readbyqxmd.com/read/28597391/desorption-of-micropollutant-from-spent-carbon-filters-used-for-water-purifier
#4
Da-Sol Kwon, So-Yeon Tak, Jung-Eun Lee, Moon-Kyung Kim, Young Hwa Lee, Doo Won Han, Sanghyeon Kang, Kyung-Duk Zoh
In this study, to examine the accumulated micropollutants in the spent carbon filter used in the water purifier, first, the method to desorb micropollutant from the activated carbon was developed and optimized. Then, using this optimized desorption conditions, we examined which micropollutants exist in spent carbon filters collected from houses in different regions in Korea where water purifiers were used. A total of 11 micropollutants (caffeine (CFF), acetaminophen (ACT), sulfamethazine (SMA), sulfamethoxazole (SMZ), metoprolol (MTP), carbamazepine (CBM), naproxen (NPX), bisphenol-A (BPA), ibuprofen (IBU), diclofenac (DCF), and triclocarban (TCB)) were analyzed using LC/MS-MS from the spent carbon filters...
June 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28595728/on-line-double-focusing-of-atenolol-and-metoprolol-in-human-urine-using-capillary-electrophoresis-with-the-aid-of-%C3%AE-cyclodextrin
#5
Qian Wan, Yanhui Liu, Chunli Yang, Lihong Liu
A maneuverable and sensitive on-line double focusing technique combined field amplified sample stacking (FASS) with micelle to solvent stacking (MSS) with the aid of β-cyelodextrin (β-CD) is developed to detect the contents of AT and ME in human urine by capillary electrophoresis (CE) with UV detector. Small amount of β-CD not only increase the critical micelle concentration (CMC) of SDS, but also strengthen the interaction between SDS and the aimed compound by forming inclusion complexes. The result indicates that the addition of β-CD affords 5...
July 25, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28589058/metoprolol-induced-severe-liver-injury-and-successful-management-with-therapeutic-plasma-exchange
#6
Cyriac Philips, Rajaguru Paramaguru, Pushpa Mahadevan, Jayasurya Ravindranath, Philip Augustine
Liver injury caused by metoprolol is very rare with current reports limited to an isolated elevation in transaminases. We report the first case of severe icteric liver injury leading to hepatic encephalopathy secondary to metoprolol use in a patient diagnosed with coronary heart disease. We also describe the histopathology of metoprolol-related liver injury, discuss mechanisms of injury with new insights on the immunological phenomenon, and shed light on the successful utility of early plasmapheresis as a salvage therapy in metoprolol-induced severe liver damage...
May 2, 2017: Curēus
https://www.readbyqxmd.com/read/28585859/evaluation-of-the-potential-for-drug-interactions-with-patiromer-in-healthy-volunteers
#7
Lawrence J Lesko, Elliot Offman, Christine Taylor Brew, Dahlia Garza, Wade Benton, Martha R Mayo, Alain Romero, Charles Du Mond, Matthew R Weir
INTRODUCTION: Patiromer is a potassium-binding polymer that is not systemically absorbed; however, it may bind coadministered oral drugs in the gastrointestinal tract, potentially reducing their absorption. METHODS: Twelve randomized, open-label, 3-period, 3-sequence crossover studies were conducted in healthy volunteers to evaluate the effect of patiromer (perpetrator drug) on absorption and single-dose pharmacokinetics (PK) of drugs (victims) that might be commonly used with patiromer...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28584352/intravenous-clonidine-as-a-part-of-balanced-anaesthesia-for-controlled-hypotension-in-functional-endoscopic-sinus-surgery-a-randomised-controled-trial
#8
Meghna Jiwanmall, Anita Shirley Joselyn, Subramani Kandasamy
BACKGROUND AND AIMS: Controlled hypotension with balanced anaesthesia minimises blood loss. This study was done to evaluate the effectiveness of intravenous clonidine as a single bolus dose to establish controlled hypotension during functional endoscopic sinus surgery (FESS). METHODS: This randomised, double-blind, placebo-controlled study was done in a tertiary hospital in India. Sixty American Society of Anesthesiologists physical status I and II patients (18-65 years) undergoing FESS were randomly allocated to one of the two groups...
May 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28580737/pragmatic-approach-to-chest-pain-patients-discharged-with-undetectable-high-sensitivity-troponin-t-and-normal-electrocardiogram-the-stabs-ct-protocol
#9
Warrick Bishop, Gary Girao
A strategy that discharges chest pain patients with negative high-sensitivity troponin and non-ischaemic electrocardiography changes may still result in 0.44% of patients experiencing myocardial infarction within 30 days. We observed that a pragmatic approach that systematically discharged 25 patients on cardio-protective medications of aspirin, metoprolol and atorvastatin followed with prompt (<10 days) coronary computed tomography angiography resulted in no major adverse cardiac event and adverse drug reaction 30 days post-presentation...
June 2017: Internal Medicine 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
#10
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
https://www.readbyqxmd.com/read/28565860/development-of-a-sustained-release-microcapsule-for-delivery-of-metoprolol-succinate
#11
Li Song, Shengjiang He, Qineng Ping
Sustained-release (SR) formulations of metoprolol succinate (MS) may minimize fluctuations in plasma concentration and decrease the resulting adverse events. The aim of the present study was to optimize the loading capacity of microcapsules and the SR of MS. A uniform design method was applied to optimize the formulation of SR microcapsules, composed of ethyl cellulose and polyethylene glycol 6,000, in one step via emulsion-solvent diffusion. In vitro release was studied, and the in vivo bioavailability of MS following dosing with novel microcapsules was compared with a commercially available MS formulation in beagle dogs...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28557789/stability-of-alprazolam-atropine-sulfate-glutamine-levofloxacin-metoprolol-tartrate-nitrofurantoin-ondansetron-hydrochloride-oxandrolone-pregabaline-and-riboflavin-in-syrspend-sf-ph4-oral-suspensions
#12
Anderson O Ferreira, Hudson C Polonini, Sharlene Loures da Silva, Victor Augusto Cerqueira de Melo, Laura de Andrade, Marcos Antônio Fernandes Brandão
The objective of this study was to evaluate the stability of 10 commonly used active pharmaceutical ingredients compounded in oral suspensions using an internationally used suspending vehicle (SyrSpend SF PH4): alprazolam 1.0 mg/mL, atropine sulfate 0.1 mg/mL, glutamine 250.0 mg/mL, levofloxacin 50.0 mg/mL, metoprolol tartrate 10.0 mg/mL, nitrofurantoin 2.0 mg/mL, ondansetron hydrochloride 0.8 mg/mL, oxandrolone 3.0 mg/mL, pregabaline 20.0 mg/mL, riboflavin 10.0 mg/mL. All suspensions were stored at both controlled refrigeration (2°C to 8°C) and controlled room temperature (20°C to 25°C)...
May 2017: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28556303/screening-approach-for-identifying-candidate-drugs-and-drug-drug-interactions-related-to-hip-fracture-risk-in-persons-with-alzheimer-disease
#13
Anna-Maija Tolppanen, Heidi Taipale, Marjaana Koponen, Antti Tanskanen, Piia Lavikainen, Jussi Paananen, Jari Tiihonen, Sirpa Hartikainen
PURPOSE: To assess whether a "drugome-wide" screen with case-crossover design is a feasible approach for identifying candidate drugs and drug-drug interactions. METHODS: All community-dwelling residents of Finland who received a clinically verified Alzheimer disease diagnosis in 2005 to 2011 and experienced incident hip fracture (HF) afterwards (N = 4851). Three scenarios were used to test the sensitivity of this approach (1) hazard period 0 to 30 and control period 31 to 61 days before HF, (2) hazard period 0 to 30 and control period 336 to 366 days before HF, and (3) hazard period 0 to 14 and control period 16 to 30 days before HF...
May 29, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28554023/uptake-biotransformation-and-elimination-of-selected-pharmaceuticals-in-a-freshwater-invertebrate-measured-using-liquid-chromatography-tandem-mass-spectrometry
#14
Thomas H Miller, Nicolas R Bury, Stewart F Owen, Leon P Barron
Methods were developed to assess uptake and elimination kinetics in Gammarus pulex of nine pharmaceuticals (sulfamethazine, carbamazepine, diazepam, temazepam, trimethoprim, warfarin, metoprolol, nifedipine and propranolol) using targeted LC-MS/MS to determine bioconcentration factors (BCFs) using a 96 h toxicokinetic exposure and depuration period. The derived BCFs for these pharmaceuticals did not trigger any regulatory thresholds and ranged from 0 to 73 L kg(-1) (sulfamethazine showed no bioconcentration)...
May 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28545280/-impacts-of-early-metoprolol-intervention-on-connexin-43-and-phosphorylated-connexin-43-expression-in-rabbits-with-experimental-myocardial-infarction
#15
M Zhou, Q Lu, J Q Jiang, Z N Chen, Z G Gong, Z G Li, W W Fu, S F Ding
Objective: To investigate the early intervention effects of metoprolol on connexin 43(Cx43) and phosphorylated Cx43 (p-Cx43) expression in rabbits with post myocardial infarction. Methods: A total of 24 adult male New Zealand white rabbits were divided into sham group (n=6), early treatment group(n=6), routine treatment group(n=6), and myocardial infarction group(n=6) with a randomized block design blocked by weight. Myocardial infarction was induced by left anterior descending coronary artery (LAD) ligation...
April 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28539824/effect-of-metoprolol-succinate-in-patients-with-stable-angina-and-elevated-heart-rate-receiving-low-dose-%C3%AE-blocker-therapy
#16
Jie Jiang, Hongliang Cong, Yan Zhang, Zhanquan Li, Guizhou Tao, Xiaodong Li, Liang Qing, Ning Tan, Zhichen Zhao, Yugang Dong, Zheng Ji, Yundai Chen, Junbo Ge, Ben He, Yingxian Sun, Kejiang Cao, Yong Huo
Aims: β-blockers are underused in Chinese patients with coronary heart disease. The prescribed dose is often low. The aim of this study was to investigate the effect of metoprolol succinate doses of 95 mg and 190 mg on heart rate (HR) control, as well as drug tolerance, in Chinese patients with stable angina, low-dose β-blocker use and unsatisfactory HR control. Methods: This was a multicenter, randomized, open-label, parallel-group trial in 15 clinical sites. Patients with stable angina, taking low-dose β-blockers (equivalent to metoprolol succinate 23...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28534270/occurrence-distribution-and-attenuation-of-pharmaceuticals-and-personal-care-products-in-the-riverside-groundwater-of-the-beiyun-river-of-beijing-china
#17
Lei Yang, Jiang-Tao He, Si-Hui Su, Ya-Feng Cui, De-Liang Huang, Guang-Cai Wang
This study investigated the occurrence, seasonal-spatial distribution characteristics, and attenuation process of 15 pharmaceuticals and personal care products (PPCPs) in riverside sections of Beiyun River of Beijing. The overall PPCP levels both in surface water and riverside groundwater were moderate on the global scale, and showed higher concentrations in the dry season mainly caused by water temperature variation. Caffeine (CF), carbamazepine (CBZ), metoprolol (MTP), N,N-diethyl-meta-toluamide (DEET), diclofenac (DF), bezafibrate (BF), and gemfibrozil (GF) were seven representative PPCPs, because the rest eight studied compounds occurred in low concentrations and less than 15% of the total concentration of PPCPs...
May 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28533329/pregnancy-outcome-after-first-trimester-use-of-methyldopa-a-prospective-cohort-study
#18
Maria Hoeltzenbein, Evelin Beck, Anne-Katrin Fietz, Juliane Wernicke, Sandra Zinke, Angela Kayser, Stephanie Padberg, Corinna Weber-Schoendorfer, Reinhard Meister, Christof Schaefer
Published experience on first trimester exposure to methyldopa is still limited, although it is recommended as first-line treatment for hypertensive disorders in pregnancy in most countries. The primary aim of this prospective observational cohort study was to analyze the rate of major birth defects and spontaneous abortions in women with methyldopa therapy for chronic hypertension. Outcomes of 261 pregnancies with first trimester exposure to methyldopa and 526 comparison pregnancies without chronic hypertension reported to the German Embryotox pharmacovigilance institute were evaluated...
July 2017: Hypertension
https://www.readbyqxmd.com/read/28532169/impact-of-metoprolol-treatment-on-cardiac-function-and-exercise-tolerance-in-heart-failure-patients-with-neuropsychiatric-disorders
#19
Jingjing Huang, Ran Zhang, Xuelu Liu, Yong Meng
OBJECTIVE: To investigate the impact of neuropsychiatric disorders on the effect of metoprolol on cardiac and motor function in chronic heart failure (CHF) patients. METHODS: From February 2013 to April 2016, CHF patients with clinical mental disorders received metoprolol (23.75 or 47.5 mg, once daily, orally) at the Second Affiliated Hospital of Kunming Medical University. Mental status was confirmed by means of the Hospital Anxiety and Depression Scale (HADS) and the Copenhagen Burnout Inventory (CBI) scale...
June 19, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28531948/an-alternative-approach-to-risk-rank-chemicals-on-the-threat-they-pose-to-the-aquatic-environment
#20
Andrew C Johnson, Rachel L Donnachie, John P Sumpter, Monika D Jürgens, Claudia Moeckel, M Gloria Pereira
This work presents a new and unbiased method of risk ranking chemicals based on the threat they pose to the aquatic environment. The study ranked 12 metals, 23 pesticides, 11 other persistent organic pollutants (POPs), 13 pharmaceuticals, 10 surfactants and similar compounds and 2 nanoparticles (total of 71) of concern against one another by comparing their median UK river water and median ecotoxicity effect concentrations. To complement this, by giving an assessment on potential wildlife impacts, risk ranking was also carried out by comparing the lowest 10th percentile of the effects data with the highest 90th percentile of the exposure data...
December 1, 2017: Science of the Total Environment
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