Inproceedings: An article in a conference proceedings.
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Systematic review o f the Perforation Risk in S tenosing Eosinophilic Esophagitis: D ilation is much s afer than initially reported
Title of the conference
Annual Meeting of the Swiss Society of Gastroenterology, Swiss Society for Visceral Surgery, Swiss Association for the Study of the Liver
Lausanne, Switzerland, September 29-30, 2011
Swiss Medical Weekly
Background a nd A ims: D ilation of stenosing EosinophilicEsophagitis (EoE) is considered a high-risk procedure asperforation rates o f up to 9% of patients h ave been reported.Goal: To systematically e valuate the dilation-associatedperforation risk in stenosing EoE.Methods: A systematic review of the literature was performedusing pubmed and Embase. Keywords used were "eosinophilicesophagitis", "dilation", "perforation", and "complications".Results: F rom 2002 to 2007 7 case s eries including 85patients r eported perforations i n 5 patients ( perforation r ate6%). The highest perforation rate was reported in a series of 36patients d ocumenting 3 perforations ( 9%). In 2 010 and 2011three large studies r eporting o n a total o f 404 patientsdocumented a perforation in 3 patients (0.74%). The perforationrate reported in small case series before 2010 was significantlyhigher compared to the r ates since 2 010 ( P <0.001). Theoverall p erforation frequency is 8 /489 patients (1.6%). Amedian of 3 endoscopic sessions with dilations were performedper patient, thereby leading to a perforation rate of 0.53% perendoscopy. Follow-up information on EoE p atients w ithperforation was available in 6 s tudies, all patients c ould bemanaged conservatively, dilation-associated mortality waszero.Conclusions: D ilation of stenosing EoE h as a m uch lowerperforation risk as r eported in e arlier c ase series. Theperforation rate per endoscopy (0.53%) is much lower than theone reported for d ilation of achalasia ( 2-4%). T aking intoaccount t he latest data, dilation of stenosing EoE c an beregarded as a safe procedure.
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