نتایج جستجو برای: adrenoceptor
تعداد نتایج: 6311 فیلتر نتایج به سال:
The prevalence of side-effects of beta-adrenoceptor antagonists among hypertensive patients was assessed by two methods. Using visual analogue scales, scores for tired legs, cold digits and vivid dreaming were significantly higher in patients taking beta-adrenoceptor blockers than in patients not taking beta-adrenoceptor blockers. When measured by numerical scales, from 1 to 10, these symptoms ...
For the pharmacological treatment of frequency, urgency and/or urge incontinence due to bladder overactivity, anticholinergics have been used as first-choice drugs. However, these drugs can exert severe side effects (accommodation paralysis, constipation, tachycardia, dry mouth and blurred vision) and some patients are refractory to their actions. Thus there is a need for new drug therapies wit...
We have examined observational data from four published studies investigating the incidence of postoperative silent myocardial ischaemia (post-SMI) for the effects of chronic intercurrent therapy with β-adrenoceptor blockade or chronic calcium channel entry blockade. A total of 453 patients underwent ambulatory ECG monitoring before and for 2 days after non-cardiac surgery; 79 patients were rec...
Regional variations in adipocyte lipolysis between subcutaneous and visceral fat may be important for obesity complications. In the present study, we compared adrenergic regulation of lipolysis in omental and subcutaneous adipocytes from obese (n = 15) and non-obese (n = 14) male subjects. Waist-to-hip ratio, blood pressure, plasma insulin, and plasma triglycerides were increased in obesity. No...
The origin of brown adipocytes arising in white adipose tissue (WAT) after cold acclimatization is unclear. Here, we demonstrate that several UCP1-immunoreactive brown adipocytes occurring in WAT after cold acclimatization have a mixed morphology (paucilocular adipocytes). These cells also had a mixed mitochondrioma with classic "brown" and "white" mitochondria, suggesting intermediate steps in...
Angina pectoris is usually the first clinical sign of underlying myocardial ischemia, which results from an imbalance between oxygen supply and oxygen demand in the heart. This report describes the pharmacology of b-adrenoceptor antagonists as it relates to the treatment of angina. The b-adrenoceptor antagonists are widely used in long-term maintenance therapy to prevent acute ischemic episodes...
The possible relationship between postsynaptic alpha2-adrenoceptor function, as assessed by the growth hormone (GH) response to clonidine (CLON) and aspects of mental well-being by self-report of mood using the Swedish Mood Adjective Check List, was investigated in alcohol-dependent patients in the early withdrawal period. Patients had blunted GH responses to CLON and worse mental well-being th...
in this study we investigated the effects of endothelium removal and l-name on responses to α-adrenoceptor agonists. male wistar rats were killed by overdose with pentobarbitone sodium, after which the left and right common carotid arteries were removed. rings of arteries 3-4 mm in length were cut from each vessel and then mounted in 10 ml isolated organ bath, bathed in krebs maintained at 37°c...
BACKGROUND The beta2 adrenoceptor and its 5' untranslated region contain a number of genetic variants. The aim of this study was to investigate the potential for genetic variation at this locus to influence the expression of beta2 adrenoceptors on circulating peripheral blood mononuclear cells (PBMCs). METHODS Genotype was determined in 96 individuals with asthma for four polymorphisms at the...
AIMS Clinical observations in patients with long QT syndrome carrying sodium channel mutations (LQT3) suggest that bradycardia caused by parasympathetic stimulation may provoke torsades de pointes (TdP). Beta-adrenoceptor blockers appear less effective in LQT3 than in other forms of the disease. METHODS AND RESULTS We studied effects of autonomic modulation on arrhythmias in vivo and in vitro...
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