Retrospective Study of Endoscopic Ultrasound (EUS) Guided Transmural Drainage of Post-operative Abdominal Collections

Puncture of the collection is done under EUS guidance using a linear echoendoscope (FG-3830UT, Pentax or Olympus GF-UCT140/180 or forward viewing scope (Olympus)) with a 19G echoTip needle or a cystotome (Cook Medical Inc.). Then a 0.035 guidewire is inserted in the collection and the hole is enlarged with a cystotome (Cook Medical) or a 6.5F diathermic sleeve (Endoflex) and sometimes if needed a 6-8mm CRE balloon (Boston Scientific) before stenting with one or two double pigtail plastic stents (Cook Endoscopy, Endoflex). A nasocystic drain was also put whenever needed. If only a single stent could be placed in the first attempt, a subsequent procedure is scheduled for insertion of additional stents after dilation of the tract. There isn't any specific drug given during the procedure.