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  • Title: Characterization of spontaneous subclavian steal phenomenon in a female rhesus macaque (Macaca mulatta).
    Author: Ibáñez-Contreras A, Hernández-Godínez B, Perdigón-Castañeda G, Tena-Betancourt E.
    Journal: J Am Assoc Lab Anim Sci; 2011 May; 50(3):401-3. PubMed ID: 21640038.
    Abstract:
    In subclavian steal phenomenon (SSP), the subclavian artery develops a stenoocclusive disease proximal to the origin of the vertebral artery, leading to pronounced hemodynamic changes such as arterial flow reversal. Although SSP is a common echographic finding in humans, the phenomenon occurs only rarely in animals; consequently its physiologic features have not been reported previously. Here we describe the clinical and morphologic features of a spontaneous left SSP that was an incidental finding in an 18-y-old female rhesus macaque (Macaca mulatta). Our findings were documented through high-quality imaging studies obtained by using a computerized 3D tomography apparatus and clinical assessment of systolic and diastolic blood pressures.
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