Publications by authors named "P Dettmar"

Background: Gastroesophageal reflux frequently occurs in infants from birth to 2 years and is characterised by reflux and regurgitation often occurring during or immediately after feeds. These reflux events can range in both frequency and severity, and as the reflux events increase, they become increasingly distressing for both the infant and the parent. The study aimed to characterise the properties of a new infant liquid alginate product, determining the optimum gastric pH and dose volume for maximum reflux suppressant activity.

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Goal: The aim of this study was to investigate the pepsin values and pH results of gastric juice among the subtypes of gastroesophageal reflux disease (GERD) and functional heartburn.

Background: The major destructive agents of GERD on the esophageal epithelium are gastric acid and pepsin. No precise information about pepsin concentration in gastric juice exists.

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Langerhans cell histiocytosis (LCH) is a rare histiocytic disorder composed of Langerhans cells admixed with reactive mononuclear and granulocytic cells, associated with prominent eosinophils. LCH is considered a neoplasm, driven in most cases by oncogenic RAS/RAF/MEK/ERK pathway mutations. The disease predominantly affects children.

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Background And Aims: Pepsin in the gastric refluxate is a marker for a prior reflux event and rapid detection might be achieved using the Peptest™, an in vitro diagnostic medical device. The aim of this study was to validate the use of Peptest™ to reliably diagnose reflux in patients with gastro-esophageal reflux disease (GERD) and laryngopharyngeal reflux (LPR) disease diagnosed with multichannel intraluminal impedance/ pHmetry (MII-pH).

Methods: 20 reflux patients were recruited of whom 10 had classical GERD and 10 had LPR.

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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.
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