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DOI: 10.1055/s-2000-7450
Bile and acid reflux in long and short segment Barrett’s esophagus, and in reflux disease
Publikationsverlauf
28.2.2000
14.4.2000
Publikationsdatum:
31. Dezember 2000 (online)

Summary
Gastroesophageal acid reflux (GER) is the primary risk factor for gastroesophageal reflux disease (GERD). In long segment Barrett’s esophagus (LSBE) duodenogastroesophageal reflux (DGER) parallels acid reflux. The role of GER and DGER in short segment Barrett’s esophagus (SSBE) remains to be determined. The aim of the present prospective study was to investigate the esophageal bile and acid reflux in patients with LSBE, SSBE and patients with GERD.
Three groups of patients were studied: Patients with LSBE (n = 12), SSBE (n = 20) and patients with GERD without intestinal metaplasia (n = 33). Subjects underwent esophageal manometry and simultaneous 24-h pH and bile monitoring (Bilitec 2000). The thresholds for GER and DGER were a deMeester score > 14.7 and an absorbance value > 0.2 for 10.9 % of total period, respectively.
GER did not differ between the groups (p > 0.05). However, DGER differed between patients with LSBE, SSBE and GERD (14.7 vs 2.1 vs 2.1, respectively; p < 0.05). H. pylori status did not influence GER and DGER significantly.
In contrast to patients with LSBE the DGER does not seem to play an important role in patients with SSBE and patients with GERD. This result indicates a different etiopathology of both long and short segment Barrett’s esophagus.
(Biliärer und saurer Reflux bei Barrett-Ösophagus, Short-Segment-Barrett-Ösophagus und Refluxkrankheit)
Der saure gastroösophageale Reflux (GER) ist der Hauptrisikofaktor für die Entwicklung einer gastroösophagealen Refluxkrankheit (GERD). Für den Long-Segment-Barrett-Ösophagus (LSBE) gilt ein Synergismus zwischen GER und biliärem duodenogastroösophagealem Reflux (DGER) als gesichert. Die Bedeutung von GER und DGER beim Short-Segment-Barrett-Ösophagus (SSBE) ist bisher unzureichend definiert. In der vorliegenden prospektiven Studie sollten saurer und biliärer Reflux bei Patienten mit LSBE, SSBE und GERD untersucht werden.
Drei Patientengruppen wurden untersucht: Patienten mit LSBE (n = 12), mit SSBE (n = 20) und Patienten mit GERD ohne intestinale Metaplasie (n = 33). Die Patienten erhielten eine Manometrie und eine kombinierte 24-h-pH-Metrie und Bilirubinmessung (Bilitec 2000). Für den GER galt ein Grenzwert > 14,7 im DeMeester-Score, für den DGER als Grenzwert ein Absorptionswert > 0,2 über 10,9 % der Gesamtmesszeit.
Der GER unterschied sich nicht zwischen den Gruppen (p > 0,05). Hingegen war der DGER zwischen Patienten mit LSBE, SSBE und GERD unterschiedlich (14,7 vs. 2,1 vs. 2,1; p < 0,05). H. pylori hatte keinen signifikanten Einfluss auf GER und DGER.
Im Gegensatz zu den Patienten mit LSBE scheint der DGER bei Patienten mit SSBE und GERD keine wesentliche Rolle zu spielen. Dieser Unterschied deutet eine unterschiedliche Ätiopathologie von Long-Segment- und Short-Segment-Barrett-Ösophagus an.
Key words
Bile Reflux - Gastroesophageal Reflux - GERD - Barrett’s Esophagus
Schlüsselwörter
Barrett’s esophagus - gastroesophageal reflux disease - bile reflux - acid reflux
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Address for correspondence:
Priv.-Doz. Dr. med. Boris Pfaffenbach
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