Journal
PHARMACOLOGY & THERAPEUTICS
Volume 167, Issue -, Pages 132-145Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pharmthera.2016.07.011
Keywords
Triple whammy; Diuretic; ACEI; ARA; NSAID; Pre-renal acute kidney injury
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Funding
- Institute de Salud Carlos III [DT15S/00166, PI15/01055]
- FEDER funds from the European Commission [RD012/0021/0032]
- Ministerio de Economia y Competitividad [SAF2013-45784-R, IPT-2012-0779-010000]
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Pre-renal acute kidney injury (AKI) results from glomerular haemodynamic alterations leading to reduced glomerular filtration rate (GFR) with no parenchymal compromise. Renin-angiotensin system inhibitors, such as angiotensin-converting enzyme inhibitors (ACEIs), angiotensin receptor antagonists (ARAs), non-steroidal anti-inflammatory drugs (NSAIDs) and diuretics, are highly prescribed drugs that are frequently administered together. Double and triple associations have been correlated with increased pre-renal AKI incidence, termed double whammy and triple whammy, respectively. This article presents an integrative analysis of the complex interplay among the effects of NSAIDs, ACEls/ARAs and diuretics, acting alone and together in double and triple therapies. In addition, we explore how these drug combinations alter the equilibrium of regulatory mechanisms controlling blood pressure (renal perfusion pressure) and GFR to increase the odds of inducing AKI through the concomitant reduction of blood pressure and distortion of renal autoregulation. Using this knowledge, we propose a more general model of pre-renal AKI based on a multi whammy model, whereby several factors are necessary to effectively reduce net filtration. The triple whammy was the only model associated with pre-renal AKI accompanied by a course of other risk factors, among numerous potential combinations of clinical circumstances causing hypoperfusion in which renal autoregulation is not operative or is deregulated. These factors would uncouple the normal BP-GFR relationship, where lower GFR values are obtained at every BP value. (C) 2016 Elsevier Inc. All rights reserved.
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