{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T17:45:45Z","timestamp":1792604745929,"version":"4.5.0"},"reference-count":30,"publisher":"FapUNIFESP (SciELO)","issue":"4","license":[{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2020,1,1]],"date-time":"2020-01-01T00:00:00Z","timestamp":1577836800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ABCD, arq. bras. cir. dig."],"abstract":"<jats:p>ABSTRACT   Background:  High-resolution manometry is more costly but clinically superior to conventional manometry. Water-perfused systems may decrease costs, but it is unclear if they are as reliable as solid-state systems, and reference values are interchangeable.  Aim: To validate normal values for a new water-perfusion high-resolution manometry system.   Methods:  Normative values for a 24-sensors water perfused high-resolution manometry system were validated by studying 225 individuals who underwent high resolution manometry for clinical complaints. Patients were divided in four groups: group 1 - gastroesophageal reflux disease; group 2 - achalasia; group 3 - systemic diseases with possible esophageal manifestation; and group 4 - dysphagia.   Results:  In group 1, a hypotonic lower esophageal sphincter was found in 49% of individuals with positive 24 h pH monitoring, and in 28% in pH-negative individuals. In groups 2 and 3, aperistalsis was found in all individuals. In group 4, only one patient (14%) had normal high-resolution manometry.   Conclusions:  The normal values determined for this low-cost water-perfused HRM system with unique peristaltic pump and helicoidal sensor distribution are discriminatory of most abnormalities of esophageal motility seen in clinical practice.<\/jats:p>","DOI":"10.1590\/0102-672020200004e1557","type":"journal-article","created":{"date-parts":[[2021,1,25]],"date-time":"2021-01-25T19:29:05Z","timestamp":1611602945000},"source":"Crossref","is-referenced-by-count":13,"title":["VALIDATION OF A NEW WATER-PERFUSED HIGH-RESOLUTION MANOMETRY SYSTEM"],"prefix":"10.1590","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2988-9061","authenticated-orcid":false,"given":"Rog\u00e9rio","family":"MARIOTTO","sequence":"first","affiliation":[{"name":"Federal University of S\u00e3o Paulo,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3594-5744","authenticated-orcid":false,"given":"Fernando A. M.","family":"HERBELLA","sequence":"additional","affiliation":[{"name":"Federal University of S\u00e3o Paulo,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2359-5065","authenticated-orcid":false,"given":"Vera Lucia \u00c2ngelo","family":"ANDRADE","sequence":"additional","affiliation":[{"name":"Vale do Rio Verde University,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3565-0559","authenticated-orcid":false,"given":"Francisco","family":"SCHLOTTMANN","sequence":"additional","affiliation":[{"name":"Federal University of S\u00e3o Paulo,  Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5181-8572","authenticated-orcid":false,"given":"Marco G.","family":"PATTI","sequence":"additional","affiliation":[{"name":"University of North Carolina,  USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"530","published-online":{"date-parts":[[2020]]},"reference":[{"issue":"2","key":"ref1","first-page":"52","article-title":"Manometric parameters in patients with suspected gastroesophageal reflux disease and normal pH monitoring","volume":"33","author":"Benatti CD","year":"2014","journal-title":"GED gastroenterol endosc dig"},{"key":"ref2","first-page":"354","article-title":"Normal values for waterperfused esophageal high-resolution manometry","volume":"107","author":"Burgos-Santamar\u00eda D","year":"2015","journal-title":"Rev Esp Enferm Dig"},{"key":"ref3","first-page":"S","article-title":"Inter-rater and interdevice agreement for the diagnosis of primary esophageal motility disorders based on Chicago Classification between SolidState and Water-Perfused HRM System A Prospective, Randomized, Double Blind, Crossover Study","volume":"146","author":"Capovilla 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