Peer-reviewed veterinary case report
CT lymphangiography by foot pad injection works in dogs
By Lin, Lee-Shuan et al.·Published in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·2020·Department of Veterinary Medicine·View original on PubMed →
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Original publication title: Computed tomographic lymphangiography via intra-metatarsal pad injection is feasible in dogs with chylothorax.
- Species:
- dog
Plain-English summary
A group of 20 dogs with a condition called chylothorax, which causes fluid buildup in the chest, underwent a new imaging technique to help plan their surgery. The procedure involved injecting a contrast dye into the pads of their feet, which allowed the veterinarians to see the lymphatic system clearly. This method worked well in 90% of the dogs, showing the thoracic ducts within just a few minutes. Only two dogs experienced mild discomfort after anesthesia, but overall, the procedure was safe and effective for surgical planning.
People also search for: dog chylothorax treatment · dog lymphatic system imaging · chylothorax surgery planning in dogs
Abstract
Lymphangiography can be useful for preoperative planning in chylothorax. Conventional ultrasound-guided intranodal injection can be difficult in some cases and is dependent upon operator skill. Alternative methods have been proposed to simplify the procedure, but their feasibility has not been sufficiently evaluated in clinical cases. The primary purpose of this multicenter, retrospective, descriptive study was to assess the feasibility and describe the clinical findings of CT lymphangiography by intrametatarsal pad injection in dogs with naturally occurring chylothorax. Twenty dogs were analyzed, and enhancement of thoracic ducts (TDs) was successful in 18 (90%) dogs within 5-14 min after initiating the injection, while successful enhancement of the lymphatic vessels cranial to the popliteal lymph nodes was seen in all dogs within 5 min after injection. The dose with good success to achieve TD enhancement was 1 mL/kg (concentration 350 mg I/kg). Only two dogs had mild discomfort after recovery from general anesthesia. Computed tomography lymphangiography by intrametatarsal pad injection is a feasible, easy, and safe procedure, which could provide adequate TD and cisterna chyli enhancement, identify TD number and cisterna chyli location and structure, and contribute to surgical planning.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/32362026/