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Related Concept Videos

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...
Factors Affecting Renal Clearance: Drug Distribution and Drug Interactions01:09

Factors Affecting Renal Clearance: Drug Distribution and Drug Interactions

Renal clearance plays a pivotal role in drug elimination from the body and can be influenced by drug distribution and interactions. Understanding these factors is crucial in pharmacology as they impact the effectiveness and duration of drug therapy.
One important factor is the relationship between renal clearance and the apparent volume of distribution. Renal clearance tends to be inversely proportional to the apparent volume of distribution. Drugs with an extensive distribution volume or those...
Renal Drug Excretion: Overview01:15

Renal Drug Excretion: Overview

As primary excretory organs, the kidneys maintain homeostasis by removing waste substances from the bloodstream. They comprise over a million units called nephrons, which serve as the kidney's functional units.
A nephron consists of two primary structures: the renal corpuscle and the renal tubule. The renal corpuscle contains the glomerulus, a network of capillaries where the first step of renal excretion, glomerular filtration, occurs. Blood pressure forces water, ions, and small molecules out...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Renal Regulation of Acid-Base Balance01:29

Renal Regulation of Acid-Base Balance

Metabolic reactions in the body produce nonvolatile acids, such as sulfuric acid, which generate an acid load of approximately 1 mEq of H+ per kilogram of body weight daily. Excreting H+ in the urine is essential to balance this acid load.
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However, the intercalated cells in...

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Related Experiment Video

Updated: May 18, 2026

Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches
06:51

Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches

Published on: September 5, 2025

[Cardio-renal interactions].

Sadayoshi Ito1

  • 1Division of Nephrology, Endocrinology and Vascular Medicine, Department of Medicine, Tohoku University School of Medicine.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|September 28, 2012
PubMed
Summary
This summary is machine-generated.

The renin-angiotensin-aldosterone system (RAAS) impacts kidney and cardiovascular diseases. RAAS inhibition benefits patients with renal dysfunction by reducing harmful events and albuminuria while preserving kidney function.

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Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
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Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

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Last Updated: May 18, 2026

Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches
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Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches

Published on: September 5, 2025

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
08:35

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

Published on: May 26, 2022

Area of Science:

  • Cardiovascular Medicine
  • Nephrology
  • Endocrinology

Context:

  • The renin-angiotensin-aldosterone system (RAAS) is implicated in kidney and cardiovascular disease.
  • RAAS inhibition is clinically proven to reduce cardiovascular and renal events, especially in patients with impaired renal function.

Purpose:

  • To explore the intricate relationship between renal dysfunction, RAAS activation, and cardiovascular/renal outcomes.
  • To highlight the dual role of RAAS in exacerbating inflammation and oxidative stress in renal impairment.

Summary:

  • Impaired renal function may trigger injurious substances, activating the RAAS, which in turn promotes inflammation and oxidative stress.
  • Reductions in albuminuria, a marker of renal protection, correlate strongly with cardiovascular protection.
  • RAAS inhibitors decrease albuminuria but can also lower Glomerular Filtration Rate (GFR).

Impact:

  • Findings underscore the importance of RAAS in managing comorbid kidney and cardiovascular conditions.
  • Suggests that RAAS inhibition strategies should aim to reduce albuminuria while maintaining GFR for optimal patient outcomes.
  • Provides insights into the mechanisms linking renal health, cardiovascular events, and the RAAS pathway.