Review Article

Endoscopic Ultrasound-Guided Therapies in Pancreatic Neoplasms

Table 3

EUS-guided ethanol ablation of pancreatic cysts (human studies).

ReferencesStudy designEthanol %OutcomeAdverse events

Gan et al. 2005 [55]Prospective single-center255 to 8023 patients with complete 6 month follow-up: complete resolution (), partial resolution (), persistent cyst (), surgical resection ().Died of myocardial infarction 6 months after procedure ().

DeWitt et al. 2009 [56]Prospective multicenter RCT5880Single session ethanol lavage () resulted in greater size pancreas cyst reduction (24%) compared to saline lavage (15%) ().
6/18 (33%) complete cyst resolution with ethanol lavage on follow-up CT imaging.
Abdominal pain (), acute pancreatitis (), major complications ().

Dimaio et al. 2011 [57]Retrospective single-center1380Mean max cyst diameter at baseline (20.1 ± 7.1 mm) decreased to 17.0 ± 9.8 mm () after single ethanol lavage and to 12.8 ± 9.6 mm after two ethanol lavage sessions () 
Complete cyst resolution: after single session (0/13), after two sessions (5/13; 38%).
Minor abdominal pain after ethanol lavage ().

Oh et al. 2008 [59]Prospective single-center1499% ethanol and 3 mg/mL paclitaxel (EUS-EPI)Median original volume 3.81 (range 1.2–68 mL) decreased to 0.11 (range 0–35 mL) 
Complete cyst resolution (), partial resolution (), persistent () at median 9 month follow-up.
Elevated serum amylase () 
Mild pancreatitis () 
Mild abdominal pain ().

Oh et al. 2011 [60]Prospective single-center52EUS-EPI85.8% reduction in cyst volume after EUS-EPI at 12 month follow-up.
Complete resolution (), partial resolution (), persistent cyst ().