Three dogs under 2 years of age with heartworm caval syndrome |
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| Authors: | Hidaka Yuichi Hagio Mitsuyoshi Murakami Takayuki Okano Syozo Natsuhori Koichi Narita Norio |
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| Institution: | Department of Veterinary Surgery, Faculty of Agriculture, Miyazaki University, Miyazaki, Japan. |
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| Abstract: | Heartworm caval syndrome (CS) occurred in three dogs under 2 years of age. A 23-month-old dog was recovered by surgical and medical treatments, but the other 2 dogs (15 and 21 months old) died. Necropsy demonstrated 12 heartworms in the 15-month-old dog and 8 worms in the 21-month-old dog. Histopathologically, pulmonary arterial embolism caused by dead worms and thrombi were observed in these cases. The findings suggested that CS could develop regardless of canine age and worm burden if pulmonary arterial embolism related to worm death or thrombus formation were induced. |
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