AI Article Synopsis

  • * Results showed that patients with different GERD sub-types had higher salivary pepsin levels compared to healthy controls, while those with functional heartburn showed no significant differences.
  • * Treatment with esomeprazole reduced salivary pepsin levels in patients with non-erosive reflux disease and extra-esophageal symptoms, indicating that salivary pepsin can aid in the diagnosis and management of GERD.

Article Abstract

Background/aims: To determine the value of salivary pepsin in discriminating sub-types of gastroesophageal reflux disease (GERD) and GERD-related disorders.

Methods: Overall, 322 patients with different sub-types of GERD and 45 healthy controls (HC) were studied. All patients took Gastroesophageal Reflux Disease Questionnaire (GerdQ) and underwent endoscopy and 24-hour esophageal pH monitoring and manometry. Salivary pepsin concentration (SPC) was detected by using colloidal gold double-antibody immunological sandwich assay. Oral esomeprazole treatment was administrated in the patients with non-erosive reflux disease (NERD) and extra-esophageal symptoms (EES).

Results: Compared to HC, patients with erosive esophagitis, NERD, EES, EES plus typical GERD symptoms, or Barrett's esophagus had a higher prevalence of saliva and SPC (all < 0.001). There was no significant difference in the positive rate for pepsin in patients with functional heartburn or GERD with anxiety and depression, compared to HC. After esomeprazole treatment, the positive rate and SPC were significantly reduced in NERD (both < 0.001) and in EES ( = 0.001 and = 0.002, respectively). Of the 64 NERD patients, 71.9% (n = 46) were positive for salivary pepsin, which was significantly higher than the rate (43.8%, n = 28) of pathological acid reflux as detected by 24-hour esophageal pH monitoring ( = 0.002).

Conclusions: Salivary pepsin has an important significance for the diagnosis of GERD and GERD-related disorders. Salivary pepsin and 24-hour esophageal pH monitoring may complement with each other to improve the diagnostic efficiency.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6955190PMC
http://dx.doi.org/10.5056/jnm19032DOI Listing

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