Zusammenfassung
Grundlagen: Der duodenogastro-ösophageale Reflux gilt als unabhängiger Risikofaktor für einen komplizierten Verlauf einer Refluxerkrankung (GERD). Patienten mit einem Barrett-Ösophagus leiden signifikant häufiger an einem pathologischen DGER im Vergleich zu Patienten mit einem unkomplizierten Verlauf der Erkrankung. Jedoch stehen keine allgemeinen Leitlinien zur Behandlung eines DGER zur Verfügung. Methoden: 30 Patienten mit kombiniertem Reflux in pH-Metrie und Bilitec wurden prospektiv in die Studie eingeschlossen. Komplettiert wurde die Diagnostik mit einem standardisierten Fragebogen sowie einer Gastroskopie. Unter Therapie mit Pantoprazol 80 mg/d für 6 – 8 Wochen wurden pH-Metrie und Bilitec wiederholt und die klinische Symptomatik re-evaluiert. Ergebnisse: Unter Therapie mit Pantoprazol 80 mg/d konnte der saure Reflux in 28 (93 %) Patienten normalisiert werden. Gleichzeitig wurde der DGER signifikant von 19,6 % (± 13,7) auf 5,7 % (± 7,7, p < 0,05) reduziert. 15 Patienten (50 %) wiesen unter Therapie einen persistierenden DGER auf (DGER-NR-Gruppe), wobei in 15 Fällen (50 %) eine Normalisierung erreicht werden konnte (DGER-R-Gruppe). Die DGER-NR-Gruppe hatte einen signifikant ausgeprägteren DGER vor Therapie im Vergleich zu der DGER-R-Gruppe: 22,9 vs. 15,6 %. Der durchschnittliche Lebensqualitätsindex stieg von 4,78 (± 0,86) auf 8,04 (± 1,84) unter Therapie. Jedoch war ein persistierender DGER assoziiert mit einem geringeren klinischen Ansprechen. Vor allem Sodbrennen und nächtlicher Husten blieben in der DGER-NR-Gruppe bestehen. Schlussfolgerungen: Unsere Daten bestätigen, dass eine hoch dosierte Therapie mit Pantoprazol effektiv die saure Komponente eines kombinierten Refluxes reduziert. Jedoch kann eine Normalisierung des DGER lediglich in 50 % der Patienten erreicht werden. Ein ausgeprägter DGER vor Therapie verstärkt das Risiko eines persistierenden DGER unter Therapie und ist assoziiert mit einem schlechteren klinischen Ansprechen.
Abstract
Background: Duodeno-gastro-esophageal reflux (DGER) is considered as an independent risk factor for complicated reflux disease (GERD). Patients with Barrett’s esophagus have significantly higher levels of DGER than patients with uncomplicated GERD. However, the clinical response to conventional high-dose PPI therapy in patients with uncomplicated GERD and DGER is largely unknown. Methods: 30 patients with uncomplicated GERD and combined pathological reflux (acid and bile) were enrolled in the study. Clinical work-up included evaluation of clinical symptoms, esophageal manometry and upper endoscopy. After 6 – 8 weeks of treatment with Pantoprazole 80 mg/d pH measurement and Bilitec 2000 were repeated, and the pattern of symptoms was re-evaluated. Results: Under treatment with Pantoprazole 80 mg/d acid reflux was normalised in 28 patients (93 %). Similarly the mean percentage of DGER (time with an absorption greater than 0.14) was significantly reduced from 19.6 % (± 13.7) to 5.7 % (± 7.7, p < 0.05). In 15 patients (50 %) an elevated DGER persisted under treatment with Pantoprazole (DGER-NR group) whereas in 15 cases (50 %) a normalisation could be achieved (DGER-R group). The DGER-NR group had significantly higher levels of bile reflux before (and under) treatment compared to the DGER-R group: 22.9 % (9.98 %) vs. 15.6 % (0.72 %), respectively. Overall, the median quality of life index (QLI) improved from 4.78 (± 0.86) before to 8.04 ± 1.84) under therapy. The clinical response under treatment was marikedly reduced in the DGER-NR group compared to the DGER-R group: QLI 7.3 vs. 8.9. Particularly heartburn and nocturnal coughing persisted. Conclusions: Our data confirm that high-dose pantoprazole therapy effectively exerts acid suppression in GERD patients with combined pathological reflux. However, DGER could only normalised in 50 % of patients. High levels of DGER at diagnosis enhance the risk of persistent DGER under PPI therapy and are associated with a reduced clinical outcome.
Schlüsselwörter
Refluxerkrankung - GERD - Bilitec - DGER - Sodbrennen
Key words
reflux esophagitis - GERD - Bilitec - DGER - bile reflux
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Dr. Steffen Kunsch
Klinik für Innere MedizinGastroenterologie, Endokrinologie und StoffwechselUniversitätsklinikum Gießen und Marburg, Standort Marburg
Baldingerstraße
35039 Marburg
Germany
Email: kunsch@med.uni-marburg.de