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논문 기본 정보

자료유형
학술저널
저자정보
Rahul Kataria (Division of Gastroenterology Temple University Hospital Philadelphia PA USA) Benjamin Rosenfeld (Department of Internal Medicine Temple University Hospital Philadelphia PA USA) Zubair Malik (Division of Gastroenterology Temple University Hospital Philadelphia PA USA) Martha Harrison (Division of Gastroenterology Temple University Hospital Philadelphia PA USA) Michael S Smith (Division of Gastroenterology Temple University Hospital Philadelphia PA USA) Ron Schey (Division of Gastroenterology Temple University Hospital Philadelphia PA USA) Henry P Parkman (Division of Gastroenterology Temple University Hospital Philadelphia PA USA)
저널정보
대한소화관운동학회(현 대한소화기능성질환.운동학회) Journal of Neurogastroenterology and Motility (JNM) Journal of Neurogastroenterology and Motility (JNM) Vol.26 No.3
발행연도
2020.1
수록면
344 - 351 (8page)

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Background/AimsBarrett’s esophagus (BE) is characterized by intestinal metaplasia in the distal esophagus. The aims of this study are to: (1) Compare baseline distal esophageal impedance (DEI) using high-resolution esophageal manometry with impedance (HREMI) in patients with BE, esophagitis, and healthy volunteers and (2) Correlate length of low impedance on HREMI in patients with BE to the length of endoscopic BE. MethodsPatients with BE or esophagitis who underwent HREMI were included. Ten volunteers had HREMI. Baseline DEI was calculated from HREMI using the landmark segment. In patients with BE, the impedance was plotted to measure the extent of plotted low impedance (PLI) and visual low impedance (VLI). Lengths of VLI and PLI were correlated to endoscopic length of BE by Prague score. ResultsForty-five patients were included (16 BE; 19 esophagitis; 10 volunteers). BE patients had lower baseline DEI at the first, second, and third sensors above the lower esophageal sphincter (mean ± SEM: 1.37 ± 0.45, 0.97 ± 0.27, and 0.81 ± 0.20) compared to volunteers (8.73 ± 0.60, 8.20 ± 0.73, and 6.94 ± 0.99; P < 0.001). Baseline DEI was lower in BE than esophagitis patients (2.98 ± 0.65, 2.49 ± 0.56, and 2.01 ± 0.51) at the first, second, and third sensors (P < 0.052 for second and third sensors); ie, BE < esophagitis < controls. PLI and VLI had a stronger correlation to circumferential score (r2 = 0.84 and 0.83) than maximal score (r2 = 0.76 and 0.68). ConclusionsBaseline DEI is lower in BE compared with esophagitis and healthy volunteers. The length of low impedance correlates to the endoscopic extent of BE. Thus, impedance values during HREMI may help suggest the presence and extent of BE or esophagitis.

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