Percutaneous endobiliary RFA combined with balloon-sweep for re-opening occluded metallic biliary stents.
The aim of this report is to discuss the results of percutaneous endobiliary radiofrequency ablation (RFA) combined with balloon-sweep technique in restoring the patency of occluded self-expandable metallic stents (SEMS) secondary to tumor infiltration. A total of eight patients underwent endobiliary RFA for reopening of occluded SEMS at our institute. After endobiliary RFA, all patients showed restoration of stent patency. After a median follow-up of 6.5 months, four patients had succumbed to the underlying disease at 3, 4, 6, and 7 months. Two of these required reinterventions at 2 and 5 months. One patient died of sepsis and aspiration pneumonia at 3 months. Of the remaining three patients, two required re-intervention after 2 months, while the other remained asymptomatic. The mean duration of stent patency after the first session of RFA was 4 ± 2.1 months, which was comparable to the primary patency of these stents (4.2 months). Our experience suggests that endobiliary RFA with balloon sweep is a safe and useful technique for re-establishing the patency of occluded SEMS.
a Department of Interventional Radiology and Imaging , Institute of Liver and Biliary Sciences , New Delhi , India.
Somsharan
S
Betgeri
a Department of Interventional Radiology and Imaging , Institute of Liver and Biliary Sciences , New Delhi , India.
S
S
Rajesh
b Department of Radiology , Institute of Liver and Biliary Sciences , New Delhi , India.
Ankur
A
Arora
c Department of Medical Oncology , Institute of Liver and Biliary Sciences , New Delhi , India.
Dipanjan
D
Panda
d Department of Epidemiology and Public Health , Institute of Liver and Biliary Sciences , New Delhi , India.
Ajeet Singh
AS
Bhadoria
a Department of Interventional Radiology and Imaging , Institute of Liver and Biliary Sciences , New Delhi , India.
Amar
A
Mukund
D000368:Aged; D001649:Bile Duct Diseases / Q000473:pathology / Q000601:surgery; D001661:Biliary Tract Neoplasms / Q000473:pathology / Q000601:surgery*; D017115:Catheter Ablation / Q000009:adverse effects / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D000069322:Self Expandable Metallic Stents / Q000009:adverse effects; D013997:Time Factors; D016896:Treatment Outcome
Endobiliary; balloon sweep; radiofrequency ablation; self-expandable metallic stents; tumor infiltration