ACE inhibition versus angiotensin receptor blockade: which is better for renal and cardiovascular protection?

Gozewijn D Laverman1, Giuseppe Remuzzi, Piero Ruggenenti

  • 1Department of Medicine, Division of Nephrology, University of Groningen, The Netherlands.

Insights

Angiotensin-converting enzyme inhibition and angiotensin receptor blockade offer renoprotection for chronic kidney disease. Combined therapy may enhance long-term benefits, with dose titration being crucial for optimal outcomes.

Area of Science:

  • Nephrology
  • Cardiovascular Medicine
  • Pharmacology

Background:

  • Chronic renal disease leads to progressive kidney function loss and heightened cardiovascular risk.
  • Renin-angiotensin system (RAS) blockade via ACE inhibitors or ARBs offers renoprotective and cardiovascular benefits, though direct comparison remains debated.
  • Understanding the comparative efficacy of these drug classes is vital for managing kidney disease and associated cardiovascular complications.

Purpose of the Study:

  • To review and compare the renoprotective and cardiovascular effects of ACE inhibitors and ARBs.
  • To evaluate outcomes in non-diabetic renal disease and diabetic nephropathy (type 1 and type 2).
  • To assess the role of combination therapy and drug titration in maximizing patient protection.

Main Methods:

  • Systematic review of studies comparing ACE inhibitors and ARBs.
  • Analysis of both renal and cardiovascular outcomes.
  • Consideration of dose-response relationships and combination therapy effects.

Main Results:

  • Both ACE inhibitors and ARBs demonstrate dose-dependent effects on intermediate renal and cardiovascular parameters.
  • Combined ACE inhibition and ARB therapy appears superior to monotherapy for long-term renoprotection.
  • Maximal protection often necessitates a multidrug regimen, emphasizing full dose titration of RAS blockers.

Conclusions:

  • Optimal renoprotection and cardiovascular protection in chronic kidney disease often requires a comprehensive antihypertensive strategy.
  • Full dose titration of RAS blockers, potentially with add-on therapy, is key, irrespective of the initial drug choice.
  • Combination therapy with ACE inhibitors and ARBs shows promise for enhanced renoprotection compared to monotherapy.

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