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Original Article

Open Vet J. 2022; 12(4): 463-468

Bilateral Asymptomatic Common Carotid Artery Stenosis (BACAS) Mouse Model for Stroke Research

Achmad Firdaus Sani,Widjiati Widjiati,Paulus Sugianto,Muhammad Hamdan,Jovian Philip Swatan.

Cited by 0 Articles

Background: Asymptomatic carotid artery stenosis has become more prevalent worldwide and is often associated with a poor prognosis. Numerous guidelines highlighted surgical interventions as treatment for carotid artery stenosis, but only a few recommendations were made regarding non-surgical interventions due to its limited data.
Aims: This study aims to develop a mice model for research in non-surgical interventions of asymptomatic carotid artery stenosis.
Methods: Adult male Rattus Norvegicus, Wistar strain models with bilateral asymptomatic common carotid artery stenosis (BACAS) were created by ligating the common carotid artery with a 0.6 mm diameter needle and then removing the needle. The mice’s body weight, clinical signs and symptoms, and post-mortem brain analysis were compared between the sham-operated group and the BACAS group. Results: The mortality rate among BACAS group is 11.11%. There is no significant difference in mean body weight before surgery, after the observation period, and percentage of weight decrease between sham-operated and BACAS groups (p=0.710, 0.632, and 0.806, respectively). None of the surviving mice in this study exhibit signs of motor paralysis. Gross examination of the brain reveals no signs of infarction or hemorrhage.
Conclusion: We have established a novel BACAS mouse model which is cost-efficient, easy to produce, and with no significant alteration in body weight, clinical parameters, and brain morphology.

Key words: Animal models of disease, carotid arteries, mouse models, non-communicable disease, Scientific research

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