NUMERICAL AND ONE DIMENSIONAL MODELING OF SYSTEMIC CIRCULATION ALONG WITH CEREBRAL VASCULATURE

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FIROOZABADI BAHAR; Saidi Mohammad Said; Salehi Seyedeh Sarah

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Seminar Paper

Paper Information

Seminar: IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING
Year:2012 | Issue:19

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Title

NUMERICAL AND ONE DIMENSIONAL MODELING OF SYSTEMIC CIRCULATION ALONG WITH CEREBRAL VASCULATURE

Author(s)

FIROOZABADI BAHAR | Saidi Mohammad Said | Salehi Seyedeh Sarah

Keywords

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Abstract

THE BRAIN IS ONE OF THE VITAL ORGANS IN THE BODY. THE MAIN CEREBRAL DISTRIBUTION CENTER OF BLOOD FLOW IN THE BRAIN IS THE CIRCLE OF WILLIS (COW). IN MORE THAN 50% OF HEALTHY BRAINS AND IN MORE THAN 80% OF DYSFUNCTIONAL ONES, AT LEAST ONE ARTERY OF THE CIRCLE OF WILLIS IS ABSENT OR UNDERDEVELOPED . THESE VARIATIONS REDUCE THE COLLATERAL FLOW AVAILABILITY AND INCREASE THE RISK OF STROKE AND TRANSIENT ISCHEMIC ATTACK IN PATIENTS WITH ATHEROSCLEROSIS. THUS IT IS ESSENTIAL TO SIMULATE THE CIRCLE OF WILLIS AND INVESTIGATE THE EFFECTS OF STENOSIS. IN THIS WORK THE SYSTEMIC ARTERIES ALONG WITH THE CIRCLE OF WILLIS ARE SIMULATED USING THE FINITE VOLUME METHOD AND ONEDIMENSIONAL EQUATIONS OF CONSERVATION OF MASS AND MOMENTUM. THE STRUCTURED TREE IS CONSIDERED AS THE OUTLET BOUNDARY CONDITION. THE RESULTS SHOW THAT BLOOD FLOW RATE, PRESSURE AND VELOCITY THROUGH VESSELS ARE CONSISTENT WITH PREVIOUS RESULTS. MEANWHILE, THE INTERNAL CAROTID ARTERY (ICA) STENOSIS IS SIMULATED AND THE COLLATERAL CAPACITY OF THE CIRCLE OF WILLIS IS SHOWN. AS THE AREA OF THE ICA DECREASES, THE VELOCITY OF BLOOD THROUGH COMMUNICATING ARTERIES IS INCREASED BUT THIS ABILITY IS RELIABLE TO A SPECIAL EXTENT OF AREA REDUCTION IN THE ICA.

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APA: Copy

FIROOZABADI, BAHAR, Saidi, Mohammad Said, & Salehi, Seyedeh Sarah. (2012). NUMERICAL AND ONE DIMENSIONAL MODELING OF SYSTEMIC CIRCULATION ALONG WITH CEREBRAL VASCULATURE. IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. SID. https://sid.ir/paper/926032/en

Vancouver: Copy

FIROOZABADI BAHAR, Saidi Mohammad Said, Salehi Seyedeh Sarah. NUMERICAL AND ONE DIMENSIONAL MODELING OF SYSTEMIC CIRCULATION ALONG WITH CEREBRAL VASCULATURE. 2012. Available from: https://sid.ir/paper/926032/en

IEEE: Copy

BAHAR FIROOZABADI, Mohammad Said Saidi, and Seyedeh Sarah Salehi, “NUMERICAL AND ONE DIMENSIONAL MODELING OF SYSTEMIC CIRCULATION ALONG WITH CEREBRAL VASCULATURE,” presented at the IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. 2012, [Online]. Available: https://sid.ir/paper/926032/en

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