Poster or Presentation Title

Flow Analysis of Palmar and Digital Arteries

Presenter Information

Katie HighsmithFollow

Location

Hall Memorial Ballroom

Access Type

Campus Access Only

Presentation Type

Poster Presentation

Start Date

4-4-2018 12:00 PM

Department

Biology

Abstract

Maintaining blood flow and pressure through the cardiovascular system is crucial for adequate delivery of oxygen, water, and nutrients. Blood flow to the tissue of the hands and digits is efficiently regulated by vasoconstriction and vasodilation. Through a series of cadaveric dissection, we examined arteries in the hands and digits, including ulnar artery, radial artery, palmar arteries, and digital arteries, for their distribution (branching) patterns and sizes (e.g., external and internal diameters). Using morphological data directly collected from cadavers as input variables to a simple conical frustum model, the rate of flow change through these arteries with vasoconstriction and vasodilation was estimated. Our experimental results provide insights into how effective changes in size of blood vessels contribute to regulating blood flow and how pharmaceutical drugs regulate blood flow. In addition, our study helps us better understand mechanics of some circulatory disorders, such as Raynaud’s syndrome, that inhibit blood flow to digits due to sudden sympathetic vasospasms.

Faculty Mentor

Dr. Takashi Maie

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Apr 4th, 12:00 PM

Flow Analysis of Palmar and Digital Arteries

Hall Memorial Ballroom

Maintaining blood flow and pressure through the cardiovascular system is crucial for adequate delivery of oxygen, water, and nutrients. Blood flow to the tissue of the hands and digits is efficiently regulated by vasoconstriction and vasodilation. Through a series of cadaveric dissection, we examined arteries in the hands and digits, including ulnar artery, radial artery, palmar arteries, and digital arteries, for their distribution (branching) patterns and sizes (e.g., external and internal diameters). Using morphological data directly collected from cadavers as input variables to a simple conical frustum model, the rate of flow change through these arteries with vasoconstriction and vasodilation was estimated. Our experimental results provide insights into how effective changes in size of blood vessels contribute to regulating blood flow and how pharmaceutical drugs regulate blood flow. In addition, our study helps us better understand mechanics of some circulatory disorders, such as Raynaud’s syndrome, that inhibit blood flow to digits due to sudden sympathetic vasospasms.