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Evaluation of Azygos Vein to Aorta Ratio using Multi-Detector Computed Tomography in Dogs
Journal of Veterinary Clinics
The purpose of this study is to evaluate the azygos vein to aorta diameter ratio (AV/AO ratio) in healthy dogs and dogs with diseases that may cause azygos vein dilation. The normal groups included eleven healthy beagle dogs and eleven small breed dogs. The abnormal group included 43 dogs that had diseases with high right atrial pressure (RA group), obstruction of cranial or caudal vena cava (CVC group) and porto-azygos shunt group (PSS group). The diameter of AV and AO were measured at threedoi:10.17555/jvc.2020.04.37.2.82 fatcat:sn3bu44n3naqdftpm3d6rxk35a