Related Experiment Video

Updated: Aug 17, 2026

A Modified Two Kidney One Clip Mouse Model of Renin Regulation in Renal Artery Stenosis
08:21

A Modified Two Kidney One Clip Mouse Model of Renin Regulation in Renal Artery Stenosis

Published on: October 26, 2020

[Antihypertensive therapy in renal dysfunction]

Sadayoshi Ito1

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

Nihon Rinsho. Japanese Journal of Clinical Medicine
|July 25, 2003
PubMed

Insights

Renin-angiotensin system (RAS) inhibition benefits diabetic patients with kidney issues, despite potential risks like reduced kidney function. This review covers managing these risks and optimizing antihypertensive therapy.

Area of Science:

  • Nephrology
  • Cardiology
  • Diabetology

Background:

  • Antihypertensive treatment is crucial for preventing cardiovascular events and kidney disease in diabetics.
  • Renin-angiotensin system (RAS) inhibition offers benefits beyond blood pressure reduction.
  • RAS inhibitors can sometimes worsen renal function and cause hyperkalemia in patients with kidney dysfunction.

Purpose of the Study:

  • To discuss conditions leading to RAS inhibition-induced renal decline in diabetic patients.
  • To outline strategies for managing these adverse renal effects.
  • To explore combination antihypertensive therapies based on renal function and proteinuria.

Main Methods:

  • Review of clinical studies and existing literature on RAS inhibition in diabetic patients with renal dysfunction.
  • Analysis of factors contributing to renal function decline and hyperkalemia.
  • Discussion of therapeutic approaches and combination strategies.

Main Results:

  • RAS inhibition is particularly beneficial for diabetic patients with renal dysfunction, despite potential risks.
  • Specific conditions and risk factors for renal decline and hyperkalemia during RAS inhibition are identified.
  • Management strategies and tailored combination therapies can mitigate risks and optimize outcomes.

Conclusions:

  • RAS inhibition is a valuable therapeutic strategy in diabetic nephropathy and cardiovascular risk reduction.
  • Careful monitoring and management are essential to mitigate risks associated with RAS inhibition in renal dysfunction.
  • Personalized combination antihypertensive therapy is recommended based on individual patient profiles.

More Related Videos

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion08:35

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

Published on: May 26, 2022

Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension04:37

Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension

Published on: June 6, 2025

Related Concept Videos

Antihypertensive Drugs: Action of Diuretics01:16

Antihypertensive Drugs: Action of Diuretics

Diuretics are antihypertensive drugs used to treat hypertension resulting from sodium and water retention. Sodium, vital for fluid balance and nerve or muscle function, is regulated by the kidneys through millions of nephrons. Blood enters nephrons via afferent arterioles, which branch into capillaries called glomeruli. These filter blood plasma, allowing water and solutes, like sodium ions, to pass through capillary walls into Bowman's capsule. The filtrate then flows through various tubules...
Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors01:30

Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors

Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
Antihypertensive Drugs: Direct Renin Inhibitors01:25

Antihypertensive Drugs: Direct Renin Inhibitors

The renin-angiotensin-aldosterone system (RAAS) is an intricate physiological pathway involving numerous enzymes and hormones, including renin, angiotensin-converting enzyme (ACE), angiotensin I and II, and aldosterone. Imbalances within this system increase the production of angiotensin II and aldosterone. Increased angiotensin II levels promote vasoconstriction and blood pressure elevation. Concurrently, higher aldosterone levels stimulate sodium and water reabsorption in the kidneys,...
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...
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...
Hypertension IV: Drug Therapy and Lifestyle Modifications01:28

Hypertension IV: Drug Therapy and Lifestyle Modifications

Multiple classes of antihypertensive medications are employed in treating hypertension. The most commonly recommended first-line treatments include:Thiazide Diuretics, such as chlorthalidone, increase sodium and water excretion from the body, reducing blood volume and blood pressure.Angiotensin-converting enzyme inhibitors, like lisinopril, block the conversion of angiotensin I to II, a potent vasoconstrictor lowering blood pressure.Angiotensin II Receptor Blockers (ARBs) prevent angiotensin II...