Related Experiment Video
Updated: Jun 8, 2026
08:41
Single Wavelength Shadow Imaging of Caenorhabditis elegans Locomotion Including Force Estimates
Published on: April 18, 2014
[Lights and shadows on single and dual RAAS blockade]
Andrea Cavalli1, Lucia Del Vecchio, Francesco Locatelli
1Dipartimento di Nefrologia, Dialisi e Trapianto Renale, Ospedale A. Manzoni, Lecco, Italy.
Summary
Angiotensin-converting enzyme inhibitors (ACE-i) and angiotensin II receptor blockers (ARBs) effectively treat proteinuric kidney diseases. However, dual blockade of the renin-angiotensin-aldosterone system (RAAS) offers no cardiovascular benefits and may harm kidney function in certain patients.
Area of Science:
- Pharmacology
- Nephrology
- Cardiology
Context:
- ACE inhibitors (ACE-i) and ARBs are crucial in managing hypertension and chronic kidney disease (CKD).
- These drugs are vital for their antiproteinuric effects, slowing CKD progression.
- Initially used as monotherapy, they were later combined for complete RAAS blockade.
Purpose:
- To evaluate the efficacy and safety of dual RAAS blockade (ACE-i and ARBs) in high-risk cardiovascular patients.
- To determine the optimal use of RAAS inhibition in proteinuric nephropathies and other patient groups.
Summary:
- Dual RAAS blockade demonstrated no benefit in high-risk cardiovascular patients and increased the risk of renal function decline.
- Patients with significant proteinuria, particularly in chronic glomerulonephritis and diabetic nephropathy, benefit most from RAAS inhibition.
- Caution is advised when using RAAS inhibitors in patients without proteinuria, including those with CKD, atherosclerosis, and the elderly.
Impact:
- Identifies specific patient populations who benefit most from RAAS inhibition, particularly those with proteinuria.
- Highlights the risks associated with dual RAAS blockade in certain patient groups, necessitating careful clinical consideration.
- Informs clinical practice regarding the judicious use of ACE-i and ARBs, alone or in combination, for kidney and cardiovascular protection.
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