Endovascular Lymphatic Decompression via Thoracic Duct Stent Placement for Refractory Ascites in Patients with Cirrhosis: A Pilot Study.

To evaluate the technical and clinical success of endovascular lymphatic decompression via thoracic duct (TD) stent placement in patients with cirrhosis with refractory ascites. Nine patients (6 men and 3 women; median age, 66 [interquartile range {IQR}, 65-68] years; range, 62-78 years) who underwent TD stent placement for refractory ascites with contraindications for liver transplantation and transjugular intrahepatic portosystemic shunt creation were included in this retrospective study. TD stent placement was performed under local anesthesia using retrograde access from the venous system. Self-expanding stents from 5 to 8 mm in diameter were used and extended into the subclavian vein by approximately 1 cm. Technical (correct positioning of the stent) and clinical success (no more requirement of paracentesis) were evaluated. In addition, the safety of the procedure and TD pressure evolution were evaluated. The technical success rate was 100%, and 3 (33%) patients reported clinical success. Five (56%) patients reported 7 minor adverse events (Grade I), among which 2 TD perforations were induced by stent angioplasty, with no clinical manifestation or treatment required. The median TD pressure decreased from 19 mm Hg (IQR, 11-24 mm Hg) at the beginning of the procedure to 6 mm Hg (IQR, 5-11 mm Hg) after TD stent placement. The median survival time after the procedure was 7.1 months. Endovascular lymphatic decompression via TD stent placement is feasible and safe and was effective on ascites in some patients with cirrhosis with refractory ascites.

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