Occlusion of Patent Ductus Arteriosus in a Chihuahua Dogs Using Amplatzer Vascular Plug though Femoral Vein

Abstract

A 9 month-old female Chihuahua (weighing 1.5 kg) was referred with loud left basal murmur and exercise intolerance. Diagnostic imaging studies revealed the elongation of left ventricle (LV) with classic triple bumps on the main pulmonary artery, aorta and left atrium on the dorsoventral view of radiograph. Echocardiography revealed patent ductus arteriosus (PDA) duct and continuous turbulent shunt flow (maximal velocity 5.73 m/s) between the aorta and pulmonary artery with left to right direction. The PDA in this dog was successfully closed though femoral vein (transvenous approach) using an Amplatzer ® vascular plug. To the best of author’s knowledge, this is the first case of PDA occlusion treated with vascular plug through femoral vein.