What question did this study set out to answer?

The study aims to evaluate the protective effects of alpha-hANP against acute ischemic renal failure during renal artery occlusion.

November 1, 1987Journal of Clinical InvestigationOpen Access

Atrial natriuretic peptide protects against acute ischemic renal failure in the rat.

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Why the study?

Does intrarenal infusion of alpha-hANP improve glomerular filtration rate and reduce tissue damage in rats with acute ischemic renal failure?

Population

Sprague-Dawley rats with experimental ischemic renal failure induced by 45-60 min of renal artery occlusion

Comparison

4-h intrarenal infusion of alpha human atrial… vs Post-ischemia untreated state

Design

Preclinical

Follow-up

48 hours

Authors

SSS. ShawUniversity of Edinburgh PWP WeidmannGeneral / Preventive / Lipids JHJ HodlerUniversity of Geneva

Discussion

Member takes

Implication

Hypothesis-generating in rat ischemic AKI; leaves open translation of intrarenal ANP to human GFR recovery.

Key Points

The study aims to evaluate the protective effects of alpha-hANP against acute ischemic renal failure during renal artery occlusion.
Intrarenal infusion of alpha-hANP was tested in renally intact Sprague-Dawley rats after renal artery occlusion for 45-60 min.
The clearances of 14C-inulin were measured pre- and post-infusion for comparative analysis.
Histological assessments evaluated tissue damage and recovery over 24 and 48 hours.
After a 4-h infusion of alpha-hANP, glomerular filtration rates improved from 0.05 ml/min per 100 g to 0.314 ml/min per 100 g (P<0.001).
Histological evaluation showed normal tissue appearance post-infusion, indicating significant recovery from kidney damage.
The treatment also prevented intratubular cell shedding and granulocyte margination, preserving renal tissue integrity.

Structured PICO

Does intrarenal infusion of alpha-hANP improve glomerular filtration rate and reduce tissue damage in rats with acute ischemic renal failure?

Population

Sprague-Dawley rats with experimental ischemic renal failure induced by 45-60 min of renal artery occlusion (bilaterally or unilaterally renally intact)

Intervention

4-h intrarenal infusion of alpha human atrial natriuretic peptide (alpha-hANP) after ischemia

Comparator

Post-ischemia untreated state

Outcome

14C-inulin clearance (glomerular filtration rate) and histological appearance of renal tissuesurrogate

Intrarenal infusion of alpha-hANP preserves glomerular filtration rate and reduces tissue damage in a rat model of acute ischemic renal failure.

Cite This Study

Shaw et al. (1987) studied this question.

synapsesocial.com/papers/6a212dbf2c7e251d79c3d424 https://doi.org/10.1172/jci113197

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Atrial natriuretic peptide protects against acute ischemic renal failure in the rat.

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Atrial natriuretic peptide protects against acute ischemic renal failure in the rat.

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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