AIM:To diagnose the clinical and histologic features that may be associated with or predictive of the need for dilation and dilation related complications;examine the safety of dilation in patients with eosinophilic esophagitis(EoE).METHODS:The medical records of all patients diagnosed with EoE between January 2002 and July 2010were retrospectively reviewed.Esophageal biopsies were reexamined by an experienced pathologist to confirm the diagnosis(≥15 eos/hpf per current guidelines).Patients were divided into 2 groups:patients who did not receive dilation therapy and those who did.Demographics,clinical history,the use of pharmacologic therapy,endoscopic and pathology findings,and the number of biopsies and dilations carried out,if any,and their locations were recorded for each patient.The dilation group was further examined based on the interval between diagnosis and dilation,and whether or not a complication occurred.RESULTS:Sixty-one patients were identified with EoE and 22(36%)of them underwent esophageal dilations for stricture/narrowing.The peak eos/hpf was significantly higher in patients who received a dilation(P=0.04).Four(18%of pts.)minor complications occurred:deep mucosal tear 1,and small mucosal tears3.There were no cases of esophageal perforations.Higher peak eos/hpf counts were not associated with increased risk of complications.CONCLUSION:Esophageal dilation appears to be a safe procedure in EoE patients,carrying a low complication rate.No correlation was found between the peak of eosinophil count and complication rate.Complications can occur independently of the histologic features.The long-term outcome of EoE treatment,with or without dilation,needs to be determined.
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