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January 1, 1994AJP Renal Physiology

Effect of an endothelin-receptor antagonist on ischemic acute renal failure

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Why the study?

Does the endothelin antagonist BQ-123 improve renal function in an isolated perfused rat kidney model of ischemic acute renal failure?

Population

Isolated perfused rat kidney model

Comparison

Endothelin antagonist BQ-123 given before the… vs No treatment (control) or endothelin alone

Design

Preclinical

Follow-up

60 min of arterial clamping followed by reperfusion

Authors

LCLaurence ChanUniversity of Colorado DenverACAnutra ChittinandanaBhumibol Adulyadej HospitalPSPaul F. ShanleySUNY Upstate Medical University

Discussion

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Implication

Pre-ischemic BQ-123 may protect renal function in rat ischemia; leaves open whether timing-dependent endothelin blockade translates to clinical acute kidney injury.

Structured PICO

Does the endothelin antagonist BQ-123 improve renal function in an isolated perfused rat kidney model of ischemic acute renal failure?

P
Population
Isolated perfused rat kidney model
I
Intervention
Endothelin antagonist BQ-123 (10 microM) given before the onset of ischemia and during reflow, or only during reperfusion
C
Comparator
No treatment (control) or endothelin alone
O
Outcome
Renal perfusate flow (RPF), inulin clearance (CIn), and net tubular sodium reabsorption (TNa)surrogate

The endothelin-receptor antagonist BQ-123 protects against ischemic acute renal failure in a rat model only when administered prior to the ischemic insult.

Cite This Study

Chan et al. (1994) studied this question.

synapsesocial.com/papers/6a9fcd08492e69d29c5cc365https://doi.org/10.1152/ajprenal.1994.266.1.f135
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Reversal of postischemic acute renal failure with a selective endothelinA receptor antagonist in the rat.1994 · 200 citations
  2. 2Evidence for endothelin-induced renal vasoconstriction independent of ETA receptor activation1993 · 138 citations
  3. 3Effects of Endothelin Receptor Antagonists on Renal Hemodynamics in Angiotensin II-Infused Rats on High NaCl Intake2012 · 8 citations
  4. 4BQ-123, a specific endothelin (ETA) receptor antagonist, prevents ischemia-reperfusion injury in kidney transplantation1996 · 13 citations
  5. 5BQ-123, a specific endothelin (ETA) receptor antagonist, prevents ischemia-reperfusion injury in kidney transplantation1996 · 41 citations