Alterations in electrical and mechanical activity in Langendorff-perfused guinea pig hearts exposed to decreased external sodium concentration with or without hypotonic insult

Pathophysiology

Volumn 7, Issue 4, 2001, Pages 251-261

  Yanagi, Nobuhito ^a   Maruyama, Toru ^a   Arita, Makoto ^b   Kaji, Yoshikazu ^a   Niho, Yoshiyuki ^a  

^a KYUSHU UNIVERSITY   (Japan)

^b Yufuin Kousei Nenkin Hospital   (Japan)

Author keywords

Conduction; Contraction; Electrocardiogram; Electrolyte; Na+ Ca2+ exchange; Water intoxication

Indexed keywords

2 [2 [4 (4 NITROBENZYLOXY)PHENYL]ETHYL]ISOTHIOUREA METHANESULFONATE; CALCIUM ION; CHLORIDE; GADOLINIUM; HYPOTONIC SOLUTION; ION TRANSPORT AFFECTING AGENT; MANNITOL; SODIUM; SODIUM CHLORIDE; SODIUM ION; TETRYLAMMONIUM CHLORIDE; WATER;

ANIMAL EXPERIMENT; ANIMAL MODEL; ANIMAL TISSUE; ARTICLE; ATRIOVENTRICULAR CONDUCTION; CONTROLLED STUDY; ELECTROCARDIOGRAM; EPICARDIUM; GUINEA PIG; HEART CONDUCTION; HEART LEFT VENTRICLE PRESSURE; HEART MUSCLE CONTRACTILITY; HEART PERFUSION; HEART VENTRICLE CONDUCTION; HYPONATREMIA; INOTROPISM; ION EXCHANGE; ISOLATED HEART; MALE; MONITORING; NONHUMAN; OSMOLARITY; PRIORITY JOURNAL; TISSUE WATER; WATER INTOXICATION;

EID: 0035130708     PISSN: 09284680     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0928-4680(00)00056-0     Document Type: Article

References (38)

1. Electrical and mechanical cardiac performance observed in hyponatremia based on water intoxication encountered in a schizophrenic patient
2. Water intoxication in mental case
3. A fatal case of water intoxication in a schizophrenic patient
4. Electrical and mechanical performance of Langendorff-perfused guinea pig heart in the reduced external sodium (abstract)
5. Isoproterenol-induced creatine kinase leakage in Langendorff-perfused rat heart associated with significant myocardial edema
6. Effect of oxygen withdrawal on active and passive electrical properties of arterially perfused rabbit ventricular muscle
7. 2+ exchange current in guinea-pig cardiac ventricular cells
8. Block of stretch-activated ion channels in Xenopus oocytes by gadolinium and calcium ions
9. Beneficial effect of steroid on myocardial preservation in isolated rat hearts
10. Stretch-activated channel blockers modulate cell volume in cardiac ventricular myocytes
11. The effects of low sodium solutions on intracellular calcium concentration and tension in ferret ventricutar muscle
12. Sodium modulates inotropic response to hyperosmolarity in isolated working rat heart
13. Transmembrane Na and Ca electrochemical gradients in cardiac muscle and their relationship to force development
14. Potentials and tension changes induced by sodium removal in dog Purkinje fibres: role of an electrogenic sodium-calcium exchange
15. Movement of Ca across the sarcolemma: effects of abrupt exposure to zero external Na concentration
16. Control of cytosolic calcium activity during low sodium exposure in cultured chick heart cells
17. Extracellular osmotic pressure modulates sodium-calcium exchange in isolated guinea-pig ventricular myocytes
18. Stretch activated ion channels in ventricular myocytes
19. Dose-dependent inhibition of stretch-induced arrhythmias by gadolinium in isolated canine ventricles
20. Gadolinium blocks low- and high-threshold calcium currents in pituitary cells
21. Roles of mechano-sensitive ion channels, cytoskeleton, and contractile activity in stretch-induced immediate-early gene expression and hypertrophy of cardiac myocytes
22. Effects of perfusion-induced edema on diastolic stress-strain relation in intact swine papillary muscle
23. Left ventricular myocardial edema: lymph flow, interstitial fibrosis, and cardiac function
24. Effects of tonicity on tension and intracellular sodium and calcium activities in sheep heart
25. An investigation of chloride-bicarbonate exchange in the sheep cardiac Purkinje fibre
26. The effects of antiarrhythmic drugs, stimulation frequency, and potassium-induced resting membrane potential changes on conduction velocity and dV/dt max in guinea pig myocardium
27. Analytical models of propagation in excitable cells
28. Electrical constants of trabecular muscle from mammalian heart
29. Dependence of junctional conductance on proton calcium and magnesium ions in cardiac paired cells of guinea-pig
30. Effects of intracellular calcium on sodium current density in cultured neonatal rat cardiac myocytes
31. Effects of various intracellular Ca ion concentrations on the calcium current of guinea-pig single ventricular cells
32. Is the slow inward calcium current of heart muscle inactivated by calcium?
33. Ca ions can affect intracellular pH in mammalian cardiac muscle
34. Sodium-dependent control of intracellular pH in Purkinje fibres of sheep heart
35. i regulation
36. Effects of intracellular acidification on membrane currents in ventricular cells of the guinea pig
37. Inhibition of the calcium current by intracellular protons in single ventricular myocytes of the guinea-pig