What question did this study set out to answer?

To establish an experimental animal model of cerebral aneurysms and determine the primary aetiological factors contributing to aneurysm formation.

March 1, 1987Neuropathology and Applied Neurobiology

Annotation: An Animal Model of Cerebral Aneurysms

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Authors

FHFumitada HazamaShiga University of Medical Science NHNobuo HashimotoKanazawa University

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Implication

Animal study demonstrates cerebral aneurysm formation in hypertensive, lathyrogen-treated rats, indicating haemodynamic stress and connective tissue weakness drive pathogenesis.

Key Points

To establish an experimental animal model of cerebral aneurysms and determine the primary aetiological factors contributing to aneurysm formation.
Induced aneurysms in rats using unilateral common carotid artery ligation combined with induced hypertension and dietary administration of beta-aminopropionitrile.
Evaluated histological and structural features of induced vascular lesions at arterial branching sites relative to human aneurysms.
Experimentally induced aneurysms closely mirrored human lesions in both anatomical distribution and microscopic architecture.
Aneurysm development initiated on the distal side of major arterial branch apices, characterized by degradation of the internal elastic lamina and medial smooth muscle cells driven by haemodynamic stress.

Cite This Study

Hazama et al. (1987) studied this question.

synapsesocial.com/papers/6a95480d7fee368366828f79 https://doi.org/10.1111/j.1365-2990.1987.tb00173.x

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Implication

Animal study demonstrates cerebral aneurysm formation in hypertensive, lathyrogen-treated rats, indicating haemodynamic stress and connective tissue weakness drive pathogenesis.

Annotation: An Animal Model of Cerebral Aneurysms

Discussion

Member takes

Implication

Key Points

Cite This Study

Annotation: An Animal Model of Cerebral Aneurysms

Discussion

Member takes

Implication

Key Points

Cite This Study

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