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Comparison of S-Type Valve Antireflux Esophageal Stent with Conventional SEMS and Dostent in Dysphagia Score, Reflux Symptom Score and Ambulatory 24 Hours pH Monitoring
Modified from Shim et al. Endoscopy 2005;37:335-339.9
A, conventional self expandable stent; B, Dostent, anti-reflux esophageal stent with tricuspid type valve; C, anti-reflux esophageal stent with S-type valve.
SEMS, self-expandable matallic stent; Sx., symptom.
