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http://scihub22266oqcxt.onion/ 3626625!ä!3626625 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 243.2 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\3626625.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Magnesium 1987 ; 6 (3): 136-49 Nephropedia Template TP {{tp|p=3626625|t=1987. Systemic and regional hemodynamic effect of acute magnesium administration in the normotensive and hypertensive state |pdf=|usr=}}{{3626625}} gab.com Text Systemic and regional hemodynamic effect of acute magnesium administration in the normotensive and hypertensive state JO: Magnesium http://www.kidney.de/pget.php?&tw=1&pmid=3626625 #FOAvip Recent interest has focused on the role that Mg2+ may play in blood pressure (BP) regulation and in hypertension. The acute effect of intravenous Mg2+ as well as vehicle administration on systemic and regional hemodynamics was determined in both normotensive rats and in rats made hypertensive by uninephrectomy followed by deoxycorticosterone acetate and salt excess (DOCA-salt). Systemic and regional hemodynamics were determined by the radioactive microsphere method in the conscious and unrestrained rat prior to and 1 h following either Mg2+ or vehicle administration. Mg2+ administration significantly increased serum Mg2+ levels in both the normotensive and DOCA-salt hypertensive rats (1.4 +/- 0.02 to 3.5 +/- 0.04 and 1.7 +/- 0.06 to 4.9 +/- 0.4 mEq/l, respectively, both p less than 0.01). The DOCA-salt rats had a significantly greater baseline mean BP, total peripheral resistance (TPR), and heart rate (HR), when compared to the normotensive rats. In the normotensive rats, neither Mg2+ or vehicle administration had any effect on either mean BP or HR. In the DOCA-salt hypertensive rats, vehicle administration had no effect on any systemic hemodynamic parameter. However, in marked contrast, Mg2+ administration significantly decreased mean BP, HR and TPR while not changing cardiac output or index. In both the normotensive and DOCA-salt hypertensive rats vehicle administration did not result in any significant regional organ vascular resistance changes. However, in the normotensive rats, Mg2+ administration significantly decreased vascular resistance in the heart and in the DOCA-salt hypertensive rats Mg2+ administration significantly decreased vascular resistance in the heart, muscle and skin while increasing vascular resistance in the stomach. In conclusion, acute Mg2+ administration significantly decreases blood pressure by peripheral vasodilation in DOCA-salt hypertensive but not in normotensive rats. In addition, acute Mg2+ administration results in a redistribution of blood flow to the heart in both the hypertensive and normotensive state as well as also possibly to the kidney and brain in the hypertensive state. The antihypertensive effect of Mg2+ in the DOCA-salt hypertensive rats as well as the prominent coronary vasodilation seen in both the normotensive and hypertensive rats may have important clinical implications. Twit Text FOAVip Systemic and regional hemodynamic effect of acute magnesium administration in the normotensive and hypertensive state ????Magnesium http://www.kidney.de/pget.php?&tw=1&pmid=3626625 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=3626625 #FOAvip English Wikipedia <ref>{{Cite pmid|3626625}}</ref> Systemic and regional hemodynamic effect of acute magnesium administration in the normotensive and hypertensive state #MMPMID3626625 DiPette DJ; Simpson K; Guntupalli J Magnesium 1987[]; 6 (3): 136-49 PMID3626625show ga Recent interest has focused on the role that Mg2+ may play in blood pressure (BP) regulation and in hypertension. The acute effect of intravenous Mg2+ as well as vehicle administration on systemic and regional hemodynamics was determined in both normotensive rats and in rats made hypertensive by uninephrectomy followed by deoxycorticosterone acetate and salt excess (DOCA-salt). Systemic and regional hemodynamics were determined by the radioactive microsphere method in the conscious and unrestrained rat prior to and 1 h following either Mg2+ or vehicle administration. Mg2+ administration significantly increased serum Mg2+ levels in both the normotensive and DOCA-salt hypertensive rats (1.4 +/- 0.02 to 3.5 +/- 0.04 and 1.7 +/- 0.06 to 4.9 +/- 0.4 mEq/l, respectively, both p less than 0.01). The DOCA-salt rats had a significantly greater baseline mean BP, total peripheral resistance (TPR), and heart rate (HR), when compared to the normotensive rats. In the normotensive rats, neither Mg2+ or vehicle administration had any effect on either mean BP or HR. In the DOCA-salt hypertensive rats, vehicle administration had no effect on any systemic hemodynamic parameter. However, in marked contrast, Mg2+ administration significantly decreased mean BP, HR and TPR while not changing cardiac output or index. In both the normotensive and DOCA-salt hypertensive rats vehicle administration did not result in any significant regional organ vascular resistance changes. However, in the normotensive rats, Mg2+ administration significantly decreased vascular resistance in the heart and in the DOCA-salt hypertensive rats Mg2+ administration significantly decreased vascular resistance in the heart, muscle and skin while increasing vascular resistance in the stomach. In conclusion, acute Mg2+ administration significantly decreases blood pressure by peripheral vasodilation in DOCA-salt hypertensive but not in normotensive rats. In addition, acute Mg2+ administration results in a redistribution of blood flow to the heart in both the hypertensive and normotensive state as well as also possibly to the kidney and brain in the hypertensive state. The antihypertensive effect of Mg2+ in the DOCA-salt hypertensive rats as well as the prominent coronary vasodilation seen in both the normotensive and hypertensive rats may have important clinical implications. |Animals[MESH] |Cardiac Output/drug effects[MESH] |Desoxycorticosterone[MESH] |Hemodynamics/*drug effects[MESH] |Hypertension/chemically induced/*physiopathology[MESH] |Magnesium/blood/*pharmacology[MESH] |Male[MESH] |Rats[MESH] |Rats, Inbred Strains[MESH] |Reference Values[MESH] |Regional Blood Flow/drug effects[MESH]Systemic and regional hemodynamic effect of acute magnesium administra(epmc).pdf DeepDyve Pubget Overpricing