Korean Journal of Veterinary Research 2006;46(2):171-175.
Application of double ligation in 3 dogs with patent ductus arteriosus
Hun-young Yoon, Jun-young Kim, Hyun-jung Han, Ha-young Jang, Bo-ra Lee, Hyo-sun Namkung, Hee-myung Park, Soon-wuk Jeong
College of Veterinary Medicine, Konkuk University
동맥관 개존증을 보이는 개에서의 이중 결찰술 실시 3예
윤헌영, 김준영, 한현정, 장하영, 이보라, 남궁효선, 박희명, 정순욱
건국대학교 수의과대학
Abstract
Three dogs with suspected patent ductus arteriosus were referred to Veterinary Medical Teaching Hospital of College of Veterinary Medicine, Konkuk University because of cough, shortness of breath, exercise intolerance, and syncope, Continuous murmur and thrill were detected in physical examination. Left ventricular enlargement, cardiomegaly, bulged main pulmonary artey were found in radiography. Tall R wave, wide P wave, atrial fibrillation, and turbulent flow were observed in electrocardiogram and echocardiogram. Thoracotomy was performed at left fourth intercostal space under isoflurane anesthesia. Patent ductus arteriosus was double ligated with 1-0 silk. The median (mean ${pm}$ SD) diameter of patents was $8.0{pm}2.0mm$. The median operation time was $36{pm}6.6min$. On examination right after surgery, continuous murmur, thrill, atrial fibrillation, and turbulent flow were disappeared. On 30 days after surgery, clinical signs, left ventricular enlargement, and, bulged main pulmonary artery were disappeared. VHS 12.5 and 13.5, R wave 3.3 and 3.0 mV, and P wave 0.05 and 0.05 sec were decreased to 10.0 and 10.5, 1.8 and 2.0 mV, and 0.04 and 0.04 sec respectively in case 1 and 2. Ratio of aorta and main pulmonary artery in diameter was changed 1 : 1.3 and 1 : 1.6 into 1 : 1.1 and 1 : 1 respectively in case 1 and 2. Mild tear developed during dissection in case 3 and hemorrhage was controlled by vascular Devakey forceps. However, the dog died. On 12 months after surgery, patients (case 1 and case 2) have not showed abnormal signs.
Key Words: dog, double ligation, patent ductus arteriosus


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