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January 1, 2007Physiological ResearchOpen Access

Spironolactone differently influences remodeling of the left ventricle and aorta in L-NAME-induced hypertension

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Population

Rats with N(G)-nitro-L-arginine methyl ester (L-NAME)-induced hypertension

Comparison

Spironolactone combined with L-NAME for 5 weeks vs L-NAME alone, spironolactone alone, and control…

Design

Preclinical

Follow-up

5 weeks

Authors

FŠFedor ŠimkoJMJana MatuskováILIvan Luptak

Discussion

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Overview

Hypothesis-generating for tissue-specific effects of spironolactone in NO-deficient hypertension; requires clinical validation before any practice consideration.

Structured PICO

P
Population
Rats with N(G)-nitro-L-arginine methyl ester (L-NAME)-induced hypertension
I
Intervention
Spironolactone (200 mg/kg) combined with L-NAME (40 mg/kg) for 5 weeks
C
Comparator
L-NAME (40 mg/kg) alone, spironolactone (200 mg/kg) alone, and control group
O
Outcome
Development of hypertension, tissue nitric oxide synthase activity, and left ventricular (LV) and aortic remodelingsurrogate

In a rat model of NO-deficient hypertension, spironolactone partially prevents hypertension and left ventricular hypertrophy but does not prevent aortic remodeling, suggesting different mechanisms of reactive growth.

Cite This Study

Šimko et al. (2007) studied this question.

synapsesocial.com/papers/6a90d847d2f2d69b3a74472dhttps://doi.org/10.33549/physiolres.931394
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Antihypertensive Agents Prevent Nephrosclerosis and Left Ventricular Hypertrophy Induced in Rats by Prolonged Inhibition of Nitric Oxide Synthesis1998 · 30 citations
  2. 2Regulation of Angiotensin II Receptor Expression by Nitric Oxide in Rat Adrenal Gland1998 · 82 citations
  3. 3EFFECT OF CAPTOPRIL IN L-NAME-INDUCED HYPERTENSION ON THE RAT MYOCARDIUM, AORTA, BRAIN AND KIDNEY1999 · 29 citations
  4. 4Aldosterone-induced cardiac damage: focus on blood pressure independent effects2003 · 113 citations
  5. 5Limitation of Excessive Extracellular Matrix Turnover May Contribute to Survival Benefit of Spironolactone Therapy in Patients With Congestive Heart Failure2000 · 948 citations