What question did this study set out to answer?

This study aims to compare the vascular responses of the basilar artery and aorta to vasoactive agents in diabetic rabbits versus controls.

July 1, 1990Canadian Journal of Physiology and Pharmacology

Differences in vascular responses to vasoactive agents of basilar artery and aorta from rabbits with alloxan-induced diabetes

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Population

Alloxan-induced diabetic rabbits and age-matched control rabbits

Comparison

Exposure to vasoactive agents, methylene blue… vs Age-matched control rabbits

Design

Preclinical

Follow-up

10 weeks

Authors

TAToichi AbiruUniversity of Minnesota KKKatsuo KamataHoshi University NMNoriyuki MiyataKyushu University

Discussion

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Implication

Highlights regional vascular differences in early diabetic rabbits; hypothesis-generating for selective cerebral protection, needs human validation.

Key Points

This study aims to compare the vascular responses of the basilar artery and aorta to vasoactive agents in diabetic rabbits versus controls.
Examined responses of basilar artery and aorta to vasoactive agents in diabetic and control rabbits.
Evaluated contractile response to norepinephrine with and without endothelium
Measured levels of cyclic GMP and AMP in aorta.
No significant differences in reactivity of basilar artery between diabetic and control rabbits.
Diabetic rabbits showed enhanced contractile response in aorta to norepinephrine vs. controls, indicating a 95% CI and significant elevation.
Basal levels of cyclic GMP were significantly lower in diabetic aorta than in control aorta.

Structured PICO

Population

Alloxan-induced diabetic rabbits and age-matched control rabbits

Intervention

Exposure to vasoactive agents (norepinephrine, 5-hydroxytryptamine, K+), methylene blue, or endothelium removal

Comparator

Age-matched control rabbits

Outcome

Vascular contractile response of the basilar artery and aorta to vasoactive agentssurrogate

In a rabbit model, the cerebral artery is resistant to diabetes-induced endothelial dysfunction within 10 weeks compared to the peripheral artery.

Cite This Study

Abiru et al. (1990) studied this question.

synapsesocial.com/papers/6a6f7ef78031ec7bb1dbc6ee https://doi.org/10.1139/y90-134

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Implication

Highlights regional vascular differences in early diabetic rabbits; hypothesis-generating for selective cerebral protection, needs human validation.

Differences in vascular responses to vasoactive agents of basilar artery and aorta from rabbits with alloxan-induced diabetes

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

Differences in vascular responses to vasoactive agents of basilar artery and aorta from rabbits with alloxan-induced diabetes

Discussion

Member takes

Implication

Key Points

Structured PICO

Cite This Study

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