4.7 Article

Utility of a new automated diagnostic program in high-resolution esophageal manometry

期刊

JOURNAL OF GASTROENTEROLOGY
卷 56, 期 7, 页码 633-639

出版社

SPRINGER JAPAN KK
DOI: 10.1007/s00535-021-01794-z

关键词

High-resolution esophageal manometry; Automated diagnosis; Esophageal motility

资金

  1. Japan Society for the Promotion of Science (JSPS) KAKENHI [JP18K15772]

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This study aimed to evaluate the accuracy of a new automated diagnostic program for HREM, which showed high diagnostic accuracy and time-saving benefits in clinical practice.
Background A new automated diagnostic program for high-resolution esophageal manometry (HREM) has been developed. This diagnostic program could detect locations of landmarks and could make final diagnoses automatically. However, the accuracy of the program is not known. The aim of this study was to evaluate the accuracy of the automated diagnostic program for HREM. Methods A total of 445 studies were enrolled. An HREM system (Starlet (R)) was used, and esophageal motility was diagnosed using the Chicago classification v3.0. First, the locations of the upper esophageal sphincter, transition zone, lower esophageal sphincter, esophago-gastric junction, crural diaphragm and stomach were determined, and each swallow was checked manually. Then, the parameters of the Chicago classification were calculated using an analytic program of the Starlet, and diagnoses were made by three experts. Second, all study raw data were analyzed again by the automated diagnostic program. Diagnoses made by the program were compared to those made by experts to evaluate the accuracy of the diagnoses. Results The new diagnostic program could identify the landmarks of each swallow, calculate the parameters and make a final diagnosis within 10 s. The diagnoses made by the automated diagnostic program were not matched to those made by experts in only 10 studies, and the overall accuracy of the new automated diagnostic program thus reached 97.8% (435/445). Conclusions The new automated diagnostic program for HREM is clinically useful in terms of high diagnostic accuracy and time-saving.

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