esophageal strictures after endoscopic submucosal dissection
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: from June 2012 to January 2014; Mucosal defects over one-seconds of esophageal cirumference by ESD for esophageal mucosal lesions; Agreed to participate in the study and signed an informed consent.
Exclusion criteria
Exclusion criteria: Tumor recurrence; Tracheoesophageal fistula; Endoscopic dilation, stent placement, incision endoscopic treatment in the past; Abnormal esophageal congenital anatomical structure; Esophageal varices; Reflux esophagitis(LA C-D); History of botulinum toxin poisoning, allergies or history of treatment; endoscopy contraindications
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| symptom scores of dysphagia;esophageal diameter;collagen type I and III contents;TGF-ß1 mRNA expression and protein level;histopathology;hydroxyprolin; | — |
Countries
China