Partial Venous Inflow Occlusion under Mild Hypothermia for Membranectomy in a Dog with Cor Triatriatum Dexter

Cor triatriatum dexter (CTD) is an uncommon congenital cardiac anomaly in dogs. This case report describes successful membranectomy for CTD via partial venous inflow occlusion under mild hypothermia in a dog. A 7-month-old intact male mixed-breed dog weighing 20.5 kg presented with a history of abdo...

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Published inAnimals (Basel) Vol. 13; no. 18; p. 2921
Main Authors Moon, Chang-Hwan, Kim, Kyung-Min, Lee, Won-Jong, Kim, Woo-Jin, Lee, Seok-Min, Choi, Ho-Jung, Lee, Hae-Beom, Jeong, Seong-Mok, Kim, Dae-Hyun
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.09.2023
MDPI
Subjects
Abdomen
Arterial lines
Ascites
Body temperature
Bupivacaine
cardiac surgery
Care and treatment
Case Report
cor triatriatum dexter
Coronary artery bypass
dog
Dogs
Fentanyl
Heart
Hypothermia
membranectomy
mild hypothermia
Ostomy
partial venous inflow occlusion
Proteins
Veterinary medicine
Vital signs
South Korea
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Summary:Cor triatriatum dexter (CTD) is an uncommon congenital cardiac anomaly in dogs. This case report describes successful membranectomy for CTD via partial venous inflow occlusion under mild hypothermia in a dog. A 7-month-old intact male mixed-breed dog weighing 20.5 kg presented with a history of abdominal distention, lethargy, and anorexia. Clinical examination, radiography, echocardiography, microbubble testing, and computed tomography revealed a remnant right atrium membrane obscuring the venous blood inflow from the vena cava. Considering the potential risk of re-stenosis following interventional treatment, curative resection involving surgical membranectomy via venous inflow occlusion was performed. By performing partial venous inflow occlusion under mild hypothermia (34.5 °C), sufficient time was obtained to explore the defect and resect the remnant membrane. The dog recovered without any complications, and the clinical signs were relieved. This case illustrates that partial venous inflow occlusion under mild hypothermia is feasible for achieving curative resection of cor triatriatum dexter in dogs.
Bibliography:These authors contributed equally to this work.
ISSN:2076-2615
2076-2615
DOI:10.3390/ani13182921