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  • Title: Prospective comparison between sedated high-definition oral and unsedated ultrathin transnasal esophagogastroduodenoscopy in the same subjects: pilot study.
    Author: Horiuchi A, Nakayama Y, Hidaka N, Ichise Y, Kajiyama M, Tanaka N.
    Journal: Dig Endosc; 2009 Jan; 21(1):24-8. PubMed ID: 19691797.
    Abstract:
    BACKGROUND: Recently, quality as well as acceptability has been a concern regarding endoscopy. The aim of the present study was to compare the acceptability and quality of sedated high-definition esophagogastroduodenoscopy (sHD-EGD) using a newly developed high-definition videoscope with those of unsedated ultrathin esophagogastroduodenoscopy (uUT-EGD) using a 5.2 mm videoscope. METHODS: Twenty-two volunteers underwent both peroral sHD-EGD and transnasal uUT-EGD on the same day. Sedation consisted of 40 mg of propofol i.v. Both endoscopist and subject satisfaction levels were assessed using a 10 cm visual analogue scale. RESULTS: All 22 subjects completed the sHD-EGD and 21 subjects completed the uUT-EGD. The endoscopist and subject satisfaction levels of sHD-EGD were significantly better than those of uUT-EGD (overall endoscopist satisfaction: 9 vs 4, P < 0.0001; overall subject satisfaction: 9 vs 3, P < 0.0001). The optical quality of the endoscopic images of sHD-EGD was significantly higher than that of uUT-EGD except in the duodenal bulb (overall quality: 8 vs 7, P < 0.0001). The interobserver agreement for EGD findings in sHD-EGD was better than with uUT-EGD, although the EGD findings in both sHD-EGD and uUT-EGD were similar. After undergoing both procedures, 91% were willing to have sHD-EGD again compared to 9% with uUT-EGD. CONCLUSIONS: The endoscopist and subject satisfaction levels and image quality of sHD-EGD were better than those of uUT-EGD. The routine use of high-definition videoscopes would be expected to provide better acceptability than that obtained with unsedated endoscopy.
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