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Similar articles for PMID: 1394871

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Extracellular potassium ion dynamics and ventricular arrhythmias in the canine heart.

Journal of the American College of Cardiology

Pelleg A, Mitamura H, Price R, Kaplinsky E, Menduke H, Dreifus LS, Michelson EL.
PMID: 2926046
J Am Coll Cardiol. 1989 Mar 15;13(4):941-50. doi: 10.1016/0735-1097(89)90240-4.
Free Article

The relation between extracellular potassium ion activity [( K+]o) and ventricular tachyarrhythmias was studied in an open chest canine model with the use of two protocols. In Protocol I, potassium chloride was administered into the proximal left anterior descending...

Myocardial K+ repletion and rise in contractility after brief ischemic periods in the pig.

Journal of molecular and cellular cardiology

Aksnes G, Ellingsen O, Rutlen DL, Ilebekk A.
PMID: 2795661
J Mol Cell Cardiol. 1989 Jul;21(7):681-90. doi: 10.1016/0022-2828(89)90609-3.

Potassium loss from the myocardium during brief ischemic periods is well documented, but whether intrinsic myocardial mechanisms restore this loss during reperfusion is unclear. To address this question, we established a shunt from the coronary sinus to the right...

Passive electrical properties, mechanical activity, and extracellular potassium in arterially perfused and ischemic rabbit ventricular muscle. Effects of calcium entry blockade or hypocalcemia.

Circulation research

Cascio WE, Yan GX, Kléber AG.
PMID: 2344662
Circ Res. 1990 Jun;66(6):1461-73. doi: 10.1161/01.res.66.6.1461.

The relation among passive electrical resistive properties, longitudinal conduction velocity, extracellular potassium concentration, [K+]o, and mechanical activity was investigated in the isolated rabbit papillary muscle during normal arterial perfusion and no-flow ischemia in the presence and absence of verapamil,...

Bopindolol and its metabolite 18-502 attenuate regional myocardial acidosis during partial occlusion of the coronary artery in dogs.

Archives internationales de pharmacodynamie et de therapie

Abiko Y, Gotoh H, Yokoyama T, Abiko T, Hashizume H, Akiyama K.
PMID: 7944827
Arch Int Pharmacodyn Ther. 1994 Jan-Feb;327(1):40-55.

The effects of bopindolol (a new, nonselective beta-adrenoceptor antagonist) and its active metabolite, 18-502, on the regional myocardial pH during coronary occlusion were studied. Mongrel dogs were anesthetized with pentobarbital and the thorax was opened to expose the heart....

Effect of isoflurane on the extent of myocardial necrosis and on systemic hemodynamics, regional myocardial blood flow, and regional myocardial metabolism in dogs after coronary artery occlusion.

Anesthesia and analgesia

Davis RF, Sidi A.
PMID: 2802193
Anesth Analg. 1989 Nov;69(5):575-86.

Anesthetized dogs were studied in two protocols to determine the effect of isoflurane on the extent of myocardial injury resulting from left anterior descending coronary artery (LAD) occlusion. In 22 dogs (11 treated with isoflurane 1% inspired, beginning 1...

Protection against autonomic denervation following acute myocardial infarction by preconditioning ischemia.

Circulation research

Miyazaki T, Zipes DP.
PMID: 2917377
Circ Res. 1989 Mar;64(3):437-48. doi: 10.1161/01.res.64.3.437.

To examine the effects of ischemic preconditioning on efferent autonomic responses following acute transmural myocardial ischemia/infarction (MI), the time course and extent of efferent sympathetic and vagal denervation were compared between control dogs that received a one-stage sustained coronary...

Distribution of extracellular potassium and electrophysiologic changes during two-stage coronary ligation in the isolated, perfused canine heart.


Coronel R, Fiolet JW, Wilms-Schopman JG, Opthof T, Schaapherder AF, Janse MJ.
PMID: 2736748
Circulation. 1989 Jul;80(1):165-77. doi: 10.1161/01.cir.80.1.165.

We studied the relation between [K+]o and the electrophysiologic changes during a "Harris two-stage ligation," which is an occlusion of a coronary artery, preceded by a 30-minute period of 50% reduction of flow through the artery. This two-stage ligation...

The effect of cardiac sympathetic nerve stimulation on the right ventricle in canine heart.

Japanese circulation journal

Abe Y, Saito D, Tani H, Nakatsu T, Kusachi S, Haraoka S, Nagashima H.
PMID: 3626013
Jpn Circ J. 1987 May;51(5):535-42. doi: 10.1253/jcj.51.535.

The change in coronary hemodynamics during right or left cardiac sympathetic nerve stimulation was studied in anesthetized open chest dogs. No difference in the increasing rate of mean coronary blood flow between right coronary artery (RCA) and left anterior...

Fundamental electrophysiological differences between low-dose intracoronary endothelin-1 infusion and myocardial ischemia revealed by multiple monophasic action potential recording.

Journal of cardiovascular pharmacology

Gellér L, Szabó T, Kiss O, Solti F, Juhász-Nagy A, Merkely B.
PMID: 11078368
J Cardiovasc Pharmacol. 2000 Nov;36(5):S167-71. doi: 10.1097/00005344-200036051-00052.

The supposed direct arrhythmogenic property of endothelin-1 (ET-1) has not yet been clearly proven. Our study aimed to characterize the electrophysiological changes during left anterior descending artery (LAD) occlusion and intracoronary (i.c.) ET-1 infusion, and to differentiate between the...

Acute and chronic effects of transient myocardial ischemia on sympathetic nerve activity, density, and norepinephrine content.

Cardiovascular research

Dae MW, O'Connell JW, Botvinick EH, Chin MC.
PMID: 7585815
Cardiovasc Res. 1995 Aug;30(2):270-80.

OBJECTIVES: The sympathetic nervous system has profound influences on myocardial function, particularly during ischemia. There is controversy, however, as to whether myocardial ischemia results in damage to myocardial sympathetic nerves coursing through the ischemic territory. To further evaluate these...

An intramyocardial catheter for repeated in vivo sampling of interstitial fluid.

Journal of pharmacological and toxicological methods

Tessmer JP, Pagel PS, Weihrauch D, Ludwig LM, Chilian WM, Kersten JR, Warltier DC.
PMID: 12459145
J Pharmacol Toxicol Methods. 2002 Mar-Apr;47(2):73-8. doi: 10.1016/s1056-8719(02)00220-4.

INTRODUCTION: Coronary collateral development is an important adaptive response to chronic myocardial ischemia. Characterization of mitogenic factors responsible for collateral formation has been an elusive goal because these substances are difficult to sample from the myocardial interstitium at multiple...

Ischemic preconditioning attenuates cardiac sympathetic nerve injury via ATP-sensitive potassium channels during myocardial ischemia.


Miura T, Kawamura S, Tatsuno H, Ikeda Y, Mikami S, Iwamoto H, Okamura T, Iwatate M, Kimura M, Dairaku Y, Maekawa T, Matsuzaki M.
PMID: 11524401
Circulation. 2001 Aug 28;104(9):1053-8. doi: 10.1161/hc3501.093800.

BACKGROUND: During myocardial ischemia, massive norepinephrine (NE) is released from the cardiac sympathetic nerve terminals, reflecting the sympathetic nerve injury. A brief preceding ischemia can reduce infarct size; this is known as ischemic preconditioning (PC). The effect of PC...

Showing 1 to 12 of 132 entries