Adrenergic Beta-receptor Blockade and Anaerobic Metabolism
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چکیده
منابع مشابه
Esmolol and beta-adrenergic blockade.
Tachycardia often presents difficult management problems in anesthesia. Because it increases myocardial oxygen demand so sharply, tachycardia can quickly place patients at risk of myocardial ischemia. It can occur for any number of reasons. Deepening the anesthetic, either with inhalation agent or opioids, will ablate increases in heart rate, but changes in heart rate are often transient and ch...
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Adrenergic beta-blocking agents were given to 7 patients with advanced congestive cardiomyopathy who had tachycardia at rest (98 plus or minus 13 beats/min). The patients were on beta-adrenergic receptor blockade for 2 to 12 months (average 5-4 months). One patient was given alprenolol 50 mg twice daily and the other patients were given practolol 50 to 400 mg twice daily. Virus infection had oc...
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We examined in conscious dogs the effects of /9-adrenergic receptor blockade on measurements of left circumflex coronary arterial diameter and blood flow and calculations of late diastolic coronary resistance and left circumflex coronary internal cross-sectional area. Propranolol (combined /3iand 02-adrenergjc receptor blockade) and atenolol (selective /Stadrenergic receptor blockade) elicited ...
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β-Adrenergic receptor (βAR) agonists reduce body fat in mammals and birds. Synthetic lipid metabolism is decreased in βAR agonist-treated animals or in agonist-treated adipocytes in vitro. Degradative lipid metabolism is increased by βAR agonists in adipocytes in vitro and in vivo. The βAR agonist effects are blocked by βAR antagonists. In mammalian tissues, there are at least three distinct βA...
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ژورنال
عنوان ژورنال: Nature
سال: 1966
ISSN: 0028-0836,1476-4687
DOI: 10.1038/211888a0