2010
DOI: 10.1111/j.1365-2036.2010.04468.x
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The impact of pre‐endoscopy proton pump inhibitor use on the classification of non‐erosive reflux disease and erosive oesophagitis

Abstract: SUMMARY BackgroundFactors associated with non-erosive reflux disease (NERD) and erosive oesophagitis (EO) are incompletely understood and the overlap between the two entities is debated.

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Cited by 22 publications
(12 citation statements)
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“…Given that screening upper endoscopy is sponsored by the national health plan and widely performed in Korea, we might have enrolled GERD patients who had been treated once with PPI or antibiotics. Because PPI use can lead to healing of mucosal breaks [15], we might have allocated some patients with healed erosive esophagitis to the control group (selection bias). Actually, some MCs used in this study may reflect healed erosions or ultrashort Barrett’s esophagus (e.g.…”
Section: Discussionmentioning
confidence: 99%
“…Given that screening upper endoscopy is sponsored by the national health plan and widely performed in Korea, we might have enrolled GERD patients who had been treated once with PPI or antibiotics. Because PPI use can lead to healing of mucosal breaks [15], we might have allocated some patients with healed erosive esophagitis to the control group (selection bias). Actually, some MCs used in this study may reflect healed erosions or ultrashort Barrett’s esophagus (e.g.…”
Section: Discussionmentioning
confidence: 99%
“…En nuestros resultados podemos observar que en los pacientes con síntomas típicos de reflujo, la variedad endoscópica más frecuente es la no erosiva; es importante notar que esta frecuencia se modifica considerablemente cuando no se usa IBP antes de la endoscopia (58.6 vs. 76.7%); este cambio es más evidente en el grupo con esofagitis leve, lo que probablemente se deba a que en un paciente con esofagitis erosiva más severa (grados C o D) tardará más tiempo en cicatrizar la mucosa. Los hallazgos apoyan los encontrados por Gaddam, et al, quienes evaluaron a 966 pacientes con reflujo; el tratamiento con IBP antes de la endoscopia era un factor de riesgo para clasificar al paciente como ERNE (OR: 3.19; IC 95%: 2.14-4.77, p < 0.001) en el análisis multivariante 15 ; así como los hallazgos de Poh, et al, donde los pacientes «vírgenes» al tratamiento con IBP reportaron mayor frecuencia de esofagitis (30.8 vs. 6.7%) comparado con los que había recibido tratamiento con estos fármacos 16 . El grupo de pacientes con síntomas de reflujo y endoscopia negativa es heterogéneo, muestra una gran variabilidad en la respuesta al tratamiento.…”
Section: Discussionunclassified
“…Por lo anterior, si el paciente está bajo tratamiento reciente con IBP, es posible que los hallazgos normales en el estudio endoscópico no precisamente signifiquen ERNE; existe dudas al respecto, que algún porcentaje de pacientes corresponda a una variedad erosiva ya resuelta 14 . Gaddam, et al hicieron una comparación clínica, demográfica y endoscópica en una gran cohorte de paciente con ERNE y esofagitis erosiva, y observaron que los pacientes en los que no se suspendieron los IBP antes de la endoscopia era más posible que se clasificarán como ERNE (Odds Ratio [OR]: 3.2) 15 .…”
Section: Introductionunclassified
“…While prior studies have established that DIS was significantly higher among patients with GERD symptoms in comparison with controls, 5, 9, 13 to our knowledge, this is the first study that has assessed the quantitative relationship between reflux symptoms and histological changes. As the use of PPIs can have an impact on the misclassification of NERD patients, 24, 25 we ensured that all patients were off acid‐suppressive medications at the time of endoscopy. Subgroup analysis indicated a significant correlation between reflux symptom scores and histopathology in the EO group, but not in the NERD group.…”
Section: Discussionmentioning
confidence: 99%