ORiginal Article : Feasibility of Newly Developed Endoscopic Ultrasound with Zone Sonography Technology for Diagnosis of Pancreatic Diseases
분야
의약학 > 내과학
저자
( Yoshiki Hirooka ) , ( Akihiro Itoh ) , ( Hiroki Kawashima ) , ( Eizaburo Ohno ) , ( Yuya Itoh ) , ( Yosuke Nakamura ) , ( Takeshi Hiramatsu ) , ( Hiroyuki Sugimoto ) , ( Hajime Sumi ) , ( Daijiro Hayashi ) , ( Naoki Ohmiya ) , ( Ryoji Miyahara ) , ( Mas
발행기관
대한소화기기능성질환·운동학회(구 대한소화관운동학회)
간행물정보
Gut and Liver 2013년, 제7권 제4호, 486~491페이지(총6페이지)
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19202000.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Background/Aims: To confirm the feasibility of using newly developed endoscopic ultrasound (EUS) with Zone sonographyTM technology (ZST; Fujifilm Corp.). Methods: Seventy-five patients with pancreatic disorders were enrolled: 45 with intraductal papillary mucinous neoplasm; 15 with ductal carcinoma; five with neuroendocrine tumors; three with serous cystic neoplasms; and seven with simple cysts. The endoscopes used were EG-530UR2 and EG-530UT2 (Fujifilm Corp.). Two items were evaluated: visualization depth among four frequencies and image quality after automatic adjustment of sound speed (AASS), assessed using a 5-scale Likert scale by two endosonographers blinded to disease status. Because sound speed could be manually controlled, besides AASS, image quality at sound speeds of 1,440 and 1,600 m/sec were also assessed. Results: In all cases, sufficient images were obtained in the range of 3 cm from the EUS probe. Judgments of image quality before AASS were 3.49 0.50, 3.65±0.48, respectively. After AASS, A and B scored 4.36±0.48 and 4.40±0.49 (p<0.0001). There were significant differences in the data before and after AASS and plus 60 m/sec, but no significant difference between the datasets were seen after AASS and at sound speeds manually set for minus 100 m/sec. Conclusions: EUS with ZST was shown to be feasible in this preliminary experiment. Further evaluation of this novel technology is necessary and awaited. (Gut Liver 2013; 7:486-491)
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