{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T03:35:15Z","timestamp":1788838515795,"version":"build-2803163510"},"reference-count":36,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2019,10,31]],"date-time":"2019-10-31T00:00:00Z","timestamp":1572480000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Neurogastroenterology Motil"],"published-print":{"date-parts":[[2020,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Mean nocturnal baseline impedance (MNBI) augments the diagnostic yield of multichannel intraluminal impedance\u2010pH (MII\u2010pH) monitoring. While acid exposure time (AET) correlates with MNBI, it remains unclear whether esophageal motility affects MNBI values. The present study was aimed at evaluating the respective roles of esophageal motor function and AET on MNBI.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>High\u2010resolution manometry (HRM) studies and ambulatory 24\u2010hour MII\u2010pH monitoring tracings were retrospectively analyzed from consecutive endoscopy\u2010negative GERD patients with typical symptoms responsive to previous acid\u2010suppressive therapy from three tertiary care centers. Univariate and multivariate analyses were performed to determine predictors of pathologic MNBI values at 3\u00a0cm and 5\u00a0cm above the lower esophageal sphincter (LES).<\/jats:p><\/jats:sec><jats:sec><jats:title>Key Results<\/jats:title><jats:p>Patients with pathological AET displayed lower MNBI values at 3\u00a0cm and 5\u00a0cm (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a0.01) compared to patients with non\u2010pathological AET. Similarly, significantly lower MNBI values were also noted at both sites with type 3 EGJ compared to type 1 EGJ (<jats:italic>P<\/jats:italic>\u00a0\u2264\u00a0.02 for each comparison), and with absent contractility compared to normal peristalsis (<jats:italic>P<\/jats:italic>\u00a0\u2264\u00a0.02 for each comparison). On multivariate analysis, the presence of type 2 or 3 EGJ and absent contractility were associated with a significantly higher probability of pathological MNBI values at 3\u00a0cm and 5\u00a0cm above the LES.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions and Inferences<\/jats:title><jats:p>Disruption of the EGJ and absent contractility on HRM are both associated with lower MNBI values. HRM findings complement reflux testing using MII\u2010pH monitoring.<\/jats:p><\/jats:sec>","DOI":"10.1111\/nmo.13752","type":"journal-article","created":{"date-parts":[[2019,10,31]],"date-time":"2019-10-31T12:18:57Z","timestamp":1572524337000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":46,"title":["Correlation between reflux burden, peristaltic function, and mucosal integrity in GERD patients"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5102-1758","authenticated-orcid":false,"given":"Mentore","family":"Ribolsi","sequence":"first","affiliation":[{"name":"Unit of Gastroenterology Campus Bio Medico University Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3388-0660","authenticated-orcid":false,"given":"Chandra Prakash","family":"Gyawali","sequence":"additional","affiliation":[{"name":"Department of Medicine Division of 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