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10.1139/y03-081 http://scihub22266oqcxt.onion/10.1139/y03-081 14614522!ä!14614522 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 280.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\14614522.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Can+J+Physiol+Pharmacol 2003 ; 81 (9): 864-72 Nephropedia Template TP {{tp|p=14614522|t=2003. Potential beneficial as well as detrimental effects of chronic treatment with lisinopril and (or) spironolactone on isolated hearts following low-flow ischemia in normal and infarcted rats |pdf=|usr=}}{{14614522}} gab.com Text Potential beneficial as well as detrimental effects of chronic treatment with lisinopril and (or) spironolactone on isolated hearts following low-flow ischemia in normal and infarcted rats JO: Can J Physiol Pharmacol http://www.kidney.de/pget.php?&tw=1&pmid=14614522 #FOAvip This study was designed to demonstrate potential beneficial as well as detrimental effects of lisinopril and spironolactone given in combination. In patients with congestive heart failure or myocardial infarction, the use of angiotensin-converting enzyme (ACE) inhibitors may inhibit aldosterone production. Spironolactone, a specific aldosterone receptor antagonist may exert other independent and additive effects to those of ACE inhibitors. Given the consequences of aldosterone on ischemic hearts, we evaluated the protective effects of spironolactone or lisinopril and combined spironolactone-lisinopril therapy during low-flow ischemia and reperfusion in isolated rat hearts. Normal and infarcted (left coronary artery ligature) male Wistar rats were submitted to chronic action of drugs (0.8 mg.kg-1.day-1 for lisinopril and 8 or 50 mg.kg-1.day-1 for spironolactone) for 1 month. Hearts were rapidly excised and perfused (constant pressure) for a 40-min period of stabilization followed by a 25-min period of global low-flow ischemia and a 30-min reperfusion. In normal rats, spironolactone decreased ischemic and reperfusion contracture, reduced ventricular tachycardia, suppressed action-potential duration dispersion, and increased reactive hyperemia leading to an improvement of contractile recovery. Lisinopril also decreased ventricular tachycardia and action-potential duration dispersion concomitantly with increased reactive hyperemia and better contractile recovery. These beneficial effects of the drugs were lost when the two treatments were combined (lisinopril and 50 mg.kg-1.day-1 spironolactone), despite a synergistic effect on plasmatic K+ and Mg2+. However, an interaction between the ACE inhibitor and spironolactone potentiating the effects of either drug alone was observed with a lower dose of spironolactone (lisinopril and 8 mg.kg-1.day-1 spironolactone). Similar beneficial effects have been noted in infarcted rat hearts on reactive hyperemia, ventricular tachycardia, and contractile recovery with the combined treatment and for both spironolactone concentrations (8 or 50 mg). Chronic spironolactone treatment produces similar beneficial effects to ACE inhibitor treatment on normal rat hearts during an ischemia-reperfusion protocol. Synergistic effects have been observed with the combined therapy when a lower dose of spironolactone was utilized in normal and infarcted rats. However, in the case of a high dose of spironolactone, the two effective drugs seem to cancel each other but only in normal rats. Twit Text FOAVip Potential beneficial as well as detrimental effects of chronic treatment with lisinopril and (or) spironolactone on isolated hearts following low-flow ischemia in normal and infarcted rats ????Can J Physiol Pharmacol http://www.kidney.de/pget.php?&tw=1&pmid=14614522 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=14614522 #FOAvip English Wikipedia <ref>{{Cite pmid|14614522}}</ref> Potential beneficial as well as detrimental effects of chronic treatment with lisinopril and (or) spironolactone on isolated hearts following low-flow ischemia in normal and infarcted rats #MMPMID14614522 Rochetaing A; Chapon C; Marescaux L; Le Bouil A; Furber A; Kreher P Can J Physiol Pharmacol 2003[Sep]; 81 (9): 864-72 PMID14614522show ga This study was designed to demonstrate potential beneficial as well as detrimental effects of lisinopril and spironolactone given in combination. In patients with congestive heart failure or myocardial infarction, the use of angiotensin-converting enzyme (ACE) inhibitors may inhibit aldosterone production. Spironolactone, a specific aldosterone receptor antagonist may exert other independent and additive effects to those of ACE inhibitors. Given the consequences of aldosterone on ischemic hearts, we evaluated the protective effects of spironolactone or lisinopril and combined spironolactone-lisinopril therapy during low-flow ischemia and reperfusion in isolated rat hearts. Normal and infarcted (left coronary artery ligature) male Wistar rats were submitted to chronic action of drugs (0.8 mg.kg-1.day-1 for lisinopril and 8 or 50 mg.kg-1.day-1 for spironolactone) for 1 month. Hearts were rapidly excised and perfused (constant pressure) for a 40-min period of stabilization followed by a 25-min period of global low-flow ischemia and a 30-min reperfusion. In normal rats, spironolactone decreased ischemic and reperfusion contracture, reduced ventricular tachycardia, suppressed action-potential duration dispersion, and increased reactive hyperemia leading to an improvement of contractile recovery. Lisinopril also decreased ventricular tachycardia and action-potential duration dispersion concomitantly with increased reactive hyperemia and better contractile recovery. These beneficial effects of the drugs were lost when the two treatments were combined (lisinopril and 50 mg.kg-1.day-1 spironolactone), despite a synergistic effect on plasmatic K+ and Mg2+. However, an interaction between the ACE inhibitor and spironolactone potentiating the effects of either drug alone was observed with a lower dose of spironolactone (lisinopril and 8 mg.kg-1.day-1 spironolactone). Similar beneficial effects have been noted in infarcted rat hearts on reactive hyperemia, ventricular tachycardia, and contractile recovery with the combined treatment and for both spironolactone concentrations (8 or 50 mg). Chronic spironolactone treatment produces similar beneficial effects to ACE inhibitor treatment on normal rat hearts during an ischemia-reperfusion protocol. Synergistic effects have been observed with the combined therapy when a lower dose of spironolactone was utilized in normal and infarcted rats. However, in the case of a high dose of spironolactone, the two effective drugs seem to cancel each other but only in normal rats. |Action Potentials/drug effects/physiology[MESH] |Animals[MESH] |Cardiotonic Agents/administration & dosage/adverse effects/*pharmacology[MESH] |Coronary Circulation/drug effects[MESH] |Drug Therapy, Combination[MESH] |Electrophysiologic Techniques, Cardiac[MESH] |In Vitro Techniques[MESH] |Lisinopril/administration & dosage/adverse effects/*pharmacology[MESH] |Male[MESH] |Myocardial Infarction/drug therapy/physiopathology[MESH] |Myocardial Ischemia/*drug therapy/physiopathology[MESH] |Myocardium/metabolism[MESH] |Norepinephrine/metabolism[MESH] |Potassium/metabolism[MESH] |Rats[MESH] |Rats, Wistar[MESH] |Spironolactone/administration & dosage/adverse effects/*pharmacology[MESH]Potential beneficial as well as detrimental effects of chronic treatme(epmc).pdf DeepDyve Pubget Overpricing