What question did this study set out to answer?

To assess the effects of barbiturate anesthesia, minor surgical incisions, and acute recovery from ether anesthesia on renal hemodynamics in rats.

July 1, 1983AJP Renal Physiology

Renal hemodynamics in conscious rats: effects of anesthesia, surgery, and recovery

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Authors

LWL A WalkerVanderbilt University MBM. Buscemi-Bergin MGM. GellaiNew Frontier

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Implication

Experimental study reveals that anesthesia and acute surgical recovery markedly suppress renal hemodynamics in rats, suggesting standard conscious models reflect impaired kidney function.

Key Points

To assess the effects of barbiturate anesthesia, minor surgical incisions, and acute recovery from ether anesthesia on renal hemodynamics in rats.
Evaluated arterial pressure and renal function in trained, chronically catheterized rats before and after administration of pentobarbital or Inactin, as well as following minor skin incisions.
Measured renal hemodynamic parameters in rats 2 hours after ether anesthesia and catheter implantation, comparing values against repeated measurements taken 4–7 days later in the same animals.
Pentobarbital administration significantly lowered arterial pressure (108 ± 5 vs. 85 ± 2 mmHg, P < 0.01), renal blood flow (8.28 ± 0.50 vs. 6.20 ± 0.53 ml · min⁻¹ · 100 g body wt⁻¹, P < 0.01), and glomerular filtration rate (1.30 ± 0.10 vs. 0.97 ± 0.11 ml · min⁻¹ · 100 g body wt⁻¹, P < 0.01), with Inactin producing equivalent reductions.
Skin incisions under barbiturate anesthesia elevated arterial pressure but did not alter already reduced renal hemodynamics.
Rats evaluated 2 hours post-ether anesthesia and surgery exhibited higher arterial pressure (127 ± 3 vs. 109 ± 3 mmHg, P < 0.005) alongside markedly depressed renal blood flow (5.80 ± 0.37 vs. 8.90 ± 0.93 ml · min⁻¹ · 100 g body wt⁻¹, P < 0.01) and glomerular filtration rate (0.81 ± 0.07 vs. 1.05 ± 0.08 ml · min⁻¹ · 100 g body wt⁻¹, P < 0.001) compared with measurements at 4–7 days.

Cite This Study

Walker et al. (1983) studied this question.

synapsesocial.com/papers/6a700a23e5469ee92be0d067 https://doi.org/10.1152/ajprenal.1983.245.1.f67

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Implication

Experimental study reveals that anesthesia and acute surgical recovery markedly suppress renal hemodynamics in rats, suggesting standard conscious models reflect impaired kidney function.

Renal hemodynamics in conscious rats: effects of anesthesia, surgery, and recovery

Discussion

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Implication

Key Points

Cite This Study

Renal hemodynamics in conscious rats: effects of anesthesia, surgery, and recovery

Discussion

Member takes

Implication

Key Points

Cite This Study

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