Cisterna chyli ablation with thoracic duct ligation for chylothorax: results in eight dogs

Kei Hayashi, Gretchen Sicard, Kelly Gellasch, Joseph D Frank, Robert J Hardie, Jonathan F McAnulty
Veterinary Surgery 2005, 34 (5): 519-23

OBJECTIVE: To report use of combined cisterna chyli ablation (CCA) and thoracic duct ligation (TDL) for treatment of spontaneously occurring chylothorax in dogs.

STUDY DESIGN: Retrospective study.

ANIMALS: Eight dogs with chylothorax.

METHODS: TDL was performed through a right caudal intercostal thoracotomy and CCA through a left flank paracostal approach or ventral median celiotomy. Long-term outcome (range, 2-48 months; median, 11.5 months) was evaluated by telephone communication with owners.

RESULTS: Seven dogs were free of clinical signs related to chylothorax at last follow-up (range, 4-48 months; median, 15.5 months). One dog was euthanatized 2 months after surgery because of lack of improvement. No major complications occurred from CCA.

CONCLUSION: CCA and TDL resolved chylothorax in most dogs (88%).

CLINICAL RELEVANCE: CCA combined with TDL may improve the outcome of chylothorax in dogs.

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