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Zheng Gong, Li Ma, Yu-Lin Zhong, Jun Li, Jing Lv, Yu-Bo Xie
Arrhythmias are the common complications following cardiac surgery and contribute to hemodynamic instability, cognitive impairment, thromboembolic events, and congestive heart failure. Prevention of atrial fibrillation following cardiac surgery reduces morbidity and among the many available preventive approaches dexmedetomidine shows many positive effects on cardiovascular stability. Even though many studies indicated the beneficial effects of dexmedetomidine, the power of the analysis and conclusion of these studies is rather weak due to relatively smaller number of patients in these studies...
May 2017: Experimental and Therapeutic Medicine
Qing Zeng, Man Li, Xingbiao Ouyang, Yi Nong, Xiaochun Liu, Jing Shi, Xinmin Guan
Protective effect and mechanism of electroacupuncture (EA) on acute reperfusion ventricular arrhthmia was investigated. Ventricular arrhythmia was induced by occlusion of the proximal left anterior descend (LAD) branch of coronary artery for 5 min and followed with 15 min reperfusion. EA on acupoint "Neiguan", "Jianshi" was performed at 30 min before ligation and continued another 5 min during ischemia. Isoprenaline (20, 30 and 50 microg/kg) or atropine (1 mg/ kg) was intravenously injected at 5 min before ischemia...
2006: Journal of Huazhong University of Science and Technology. Medical Sciences
No abstract text is available yet for this article.
November 1964: Naika. Internal Medicine
X Xing, X Meng, Z Zhan
This article report a study of 23 cases of hypercalcemia crisis resulting from primary hyperparathyroidism (18 cases), carcinoma (4 cases) and vitamin D intoxication (1 case). In addition to the symptoms of primary diseases, the patients with hypercalcemia crisis often had anorexia, nausea, vomiting, polydipsia, polyuria, psychoneurotic symptoms, arrhthmia. The severity of the symptoms was proportional to the degree of hypercalcimia. Serum calcium concentration of patients in hypercalcemia crisis should be equal or higher than 3...
April 1994: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
V V Gatsura, M A Frolova
A study was made of strophanthin sensitivity and hemodynamic effect of glycosidein immunization of rabbits with a homocardiac antigen on the 1st, 3rd and 5th days after the reproduction of myocardial infarction. The titre of anticardiac autoantibodies proved to decrease on the 10th day after the ligation of the coronary artery, and also there was a sharp reduction of strophanthin sensitivity by the values of the minimal lethal dose and the toxic one (causing cardiac arrhthmia). Changes in strophanthin tolerance under conditions of administration of the antigen from the myocardium with infarction are associated with the intensive immunopathological shifts in the heart...
May 1975: Biulleten' Eksperimental'noĭ Biologii i Meditsiny
G J Kalloor, S P Singh, J L Collis
A middle-aged male patient with cardiac arrhythmias on swallowing due to incoordinate peristaltic activity of the esophagus is reported. Medical treatment with propranolol and quinidine sulfate made the symptoms manageable initially but recurrence of symptoms made surgical treatment desirable. Barium sulfate with apple produced the incoordinate peristalsis with resultant arrhthmias as soon as it arrived at the junction between the middle and lower third of the esophagus. This was followed by a normal peristaltic wave which cleared the esophagus and brought the cardiac rhythm back to normal again...
February 1977: American Heart Journal
N V Marshutina
In rabbits with experimental myocardial infarction (EMI) complicated by arrhthmias the antiarrhythmic action of neocompensan (haemodesum) was ascertained for the first time. In the acute period of EMI no electrolytes shifts in the blood serum of the animals were disclosed and this justified the antiarrhythmis effect of neocompensan, occurring during the first 24 hours of the experiment, to be attributed to the influence of polyvinylpyrrolidine. Besides, the drug produced in rabbits with EMI deceleration of the total blood coagulation...
September 1978: Farmakologiia i Toksikologiia
J H Lawson, N J Wojciechowski
The comparative antiarrhythmic activity of quinidine, propranolol and the combination of these two drugs was studied in experimental atrial and ventricular arrhythmias in the dog. Quinidine, but not propranolol, suppressed atrial arrhythmias produced by topical application of aconitine to the atrium, as well as the ventricular arrhythmias that developed approximately 20 hr following coronary artery ligation. When the two drugs were coadministered, synergism occurred in the atrial arrhthmias but not in the ventricular arrhythmias...
October 1977: Archives Internationales de Pharmacodynamie et de Thérapie
A Cristoveanu, D Popovici, C Ciocîrdia, A Tache, N Radian
Starting from the interference between the renin-angiotensin-aldosterone (RAA) system and cardiovascular pathology in arterial hypertension (AH) we have made a correlative study of the cardiovascular system and plasmatic aldosterone in normal and hypertensive subjects under conditions of stimulation (ACTH) and inhibition (propranolol). After administration of ACTH (one of the physiologic mediators of stress) increased values for plasmatic aldosterone were found. Negative cardiovascular effect: arrhthmia, angor, AH, cardiac asthma, under the condition of preexisting cardiovascular pathology or altered steroidogensis, were also noticed...
April 1978: Endocrinologie
J F Domínguez, J C Martín Sánchez, A Ciscar, M Hidalgo, M Petit Guinovart, F Ballesta Barcons
No abstract text is available yet for this article.
March 1975: Revista Española de Cardiología
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