Gastroesophageal Reflux and Pulmonary Fibrosis in Scleroderma: A Study Using pH-Impedance Monitoring

Interstitial lung disease (ILD) in patients with systemic sclerosis (SSc) is associated with increased morbidity and mortality. Gastroesophageal reflux (GER) is considered a contributing factor in the pathogenesis of ILD. To characterize GER (acid and nonacid) in patients with SSc with and without I...

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Veröffentlicht in:American journal of respiratory and critical care medicine 2009-03, Vol.179 (5), p.408-413
Hauptverfasser: Savarino, Edoardo, Bazzica, Marco, Zentilin, Patrizia, Pohl, Daniel, Parodi, Andrea, Cittadini, Giuseppe, Negrini, Simone, Indiveri, Francesco, Tutuian, Radu, Savarino, Vincenzo, Ghio, Massimo
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container_issue 5
container_start_page 408
container_title American journal of respiratory and critical care medicine
container_volume 179
creator Savarino, Edoardo
Bazzica, Marco
Zentilin, Patrizia
Pohl, Daniel
Parodi, Andrea
Cittadini, Giuseppe
Negrini, Simone
Indiveri, Francesco
Tutuian, Radu
Savarino, Vincenzo
Ghio, Massimo
description Interstitial lung disease (ILD) in patients with systemic sclerosis (SSc) is associated with increased morbidity and mortality. Gastroesophageal reflux (GER) is considered a contributing factor in the pathogenesis of ILD. To characterize GER (acid and nonacid) in patients with SSc with and without ILD. Patients with SSc underwent pulmonary high-resolution computer tomography (HRCT) scan and 24-hour impedance-pH monitoring off-proton pump inhibitor therapy. The presence of pulmonary fibrosis was assessed using validated HRCT-scores. Reflux monitoring parameters included number of acid and nonacid reflux episodes, proximal migration of the refluxate, and distal esophageal acid exposure. Unless otherwise specified, data are presented as median (25th-75th percentile). Forty consecutive patients with SSc (35 female; mean age, 53 yr; range, 24-71; 15 patients with diffuse and 25 with limited SSc) were investigated; 18 (45%) patients with SSc had pulmonary fibrosis (HRCT score >or= 7). Patients with SSc with ILD had higher (P < 0.01) esophageal acid exposure (10.3 [7.5-15] vs. 5.2 [1.5-11]), higher (P < 0.01) number of acid (41 [31-58] vs. 19 [10-23]) and nonacid (25 [20-35] vs. 17 [11-19]) reflux episodes, and higher (P < 0.01) number of reflux episodes reaching the proximal esophagus (42.5 [31-54] vs. 15 [8-22]) compared with patients with SSc with normal HRCT scores. Pulmonary fibrosis scores (HRCT score) correlated well with the number of reflux episodes in the distal (r(2) = 0.637) and proximal (r(2) = 0.644) esophagus. Patients with SSc with ILD have more severe reflux (i.e., more reflux episodes and more reflux reaching the proximal esophagus). Whether or not the development of ILD in patients with SSc can be prevented by reflux-reducing treatments needs to be investigated.
doi_str_mv 10.1164/rccm.200808-1359OC
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Gastroesophageal reflux (GER) is considered a contributing factor in the pathogenesis of ILD. To characterize GER (acid and nonacid) in patients with SSc with and without ILD. Patients with SSc underwent pulmonary high-resolution computer tomography (HRCT) scan and 24-hour impedance-pH monitoring off-proton pump inhibitor therapy. The presence of pulmonary fibrosis was assessed using validated HRCT-scores. Reflux monitoring parameters included number of acid and nonacid reflux episodes, proximal migration of the refluxate, and distal esophageal acid exposure. Unless otherwise specified, data are presented as median (25th-75th percentile). Forty consecutive patients with SSc (35 female; mean age, 53 yr; range, 24-71; 15 patients with diffuse and 25 with limited SSc) were investigated; 18 (45%) patients with SSc had pulmonary fibrosis (HRCT score &gt;or= 7). Patients with SSc with ILD had higher (P &lt; 0.01) esophageal acid exposure (10.3 [7.5-15] vs. 5.2 [1.5-11]), higher (P &lt; 0.01) number of acid (41 [31-58] vs. 19 [10-23]) and nonacid (25 [20-35] vs. 17 [11-19]) reflux episodes, and higher (P &lt; 0.01) number of reflux episodes reaching the proximal esophagus (42.5 [31-54] vs. 15 [8-22]) compared with patients with SSc with normal HRCT scores. Pulmonary fibrosis scores (HRCT score) correlated well with the number of reflux episodes in the distal (r(2) = 0.637) and proximal (r(2) = 0.644) esophagus. Patients with SSc with ILD have more severe reflux (i.e., more reflux episodes and more reflux reaching the proximal esophagus). 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Cell therapy and gene therapy</subject><subject>Biological and medical sciences</subject><subject>Case-Control Studies</subject><subject>Catheters</subject><subject>Connective tissue</subject><subject>Dyspnea</subject><subject>Electric Impedance</subject><subject>Esophageal pH Monitoring</subject><subject>Esophagus</subject><subject>Esophagus - pathology</subject><subject>Esophagus - physiopathology</subject><subject>Female</subject><subject>Gastroesophageal reflux</subject><subject>Gastroesophageal Reflux - complications</subject><subject>Gastroesophageal Reflux - pathology</subject><subject>Gastroesophageal Reflux - physiopathology</subject><subject>Humans</subject><subject>Intensive care medicine</subject><subject>Investigations</subject><subject>Lung diseases</subject><subject>Lungs</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Mortality</subject><subject>Motility</subject><subject>Pathogenesis</subject><subject>Pneumology</subject><subject>Prospective Studies</subject><subject>Protons</subject><subject>Pulmonary fibrosis</subject><subject>Pulmonary Fibrosis - complications</subject><subject>Pulmonary Fibrosis - pathology</subject><subject>Pulmonary Fibrosis - physiopathology</subject><subject>Pulmonary hypertension. 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Cell therapy and gene therapy</topic><topic>Biological and medical sciences</topic><topic>Case-Control Studies</topic><topic>Catheters</topic><topic>Connective tissue</topic><topic>Dyspnea</topic><topic>Electric Impedance</topic><topic>Esophageal pH Monitoring</topic><topic>Esophagus</topic><topic>Esophagus - pathology</topic><topic>Esophagus - physiopathology</topic><topic>Female</topic><topic>Gastroesophageal reflux</topic><topic>Gastroesophageal Reflux - complications</topic><topic>Gastroesophageal Reflux - pathology</topic><topic>Gastroesophageal Reflux - physiopathology</topic><topic>Humans</topic><topic>Intensive care medicine</topic><topic>Investigations</topic><topic>Lung diseases</topic><topic>Lungs</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Mortality</topic><topic>Motility</topic><topic>Pathogenesis</topic><topic>Pneumology</topic><topic>Prospective Studies</topic><topic>Protons</topic><topic>Pulmonary fibrosis</topic><topic>Pulmonary Fibrosis - complications</topic><topic>Pulmonary Fibrosis - pathology</topic><topic>Pulmonary Fibrosis - physiopathology</topic><topic>Pulmonary hypertension. 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Gastroesophageal reflux (GER) is considered a contributing factor in the pathogenesis of ILD. To characterize GER (acid and nonacid) in patients with SSc with and without ILD. Patients with SSc underwent pulmonary high-resolution computer tomography (HRCT) scan and 24-hour impedance-pH monitoring off-proton pump inhibitor therapy. The presence of pulmonary fibrosis was assessed using validated HRCT-scores. Reflux monitoring parameters included number of acid and nonacid reflux episodes, proximal migration of the refluxate, and distal esophageal acid exposure. Unless otherwise specified, data are presented as median (25th-75th percentile). Forty consecutive patients with SSc (35 female; mean age, 53 yr; range, 24-71; 15 patients with diffuse and 25 with limited SSc) were investigated; 18 (45%) patients with SSc had pulmonary fibrosis (HRCT score &gt;or= 7). Patients with SSc with ILD had higher (P &lt; 0.01) esophageal acid exposure (10.3 [7.5-15] vs. 5.2 [1.5-11]), higher (P &lt; 0.01) number of acid (41 [31-58] vs. 19 [10-23]) and nonacid (25 [20-35] vs. 17 [11-19]) reflux episodes, and higher (P &lt; 0.01) number of reflux episodes reaching the proximal esophagus (42.5 [31-54] vs. 15 [8-22]) compared with patients with SSc with normal HRCT scores. Pulmonary fibrosis scores (HRCT score) correlated well with the number of reflux episodes in the distal (r(2) = 0.637) and proximal (r(2) = 0.644) esophagus. Patients with SSc with ILD have more severe reflux (i.e., more reflux episodes and more reflux reaching the proximal esophagus). Whether or not the development of ILD in patients with SSc can be prevented by reflux-reducing treatments needs to be investigated.</abstract><cop>New York, NY</cop><pub>Am Thoracic Soc</pub><pmid>19096004</pmid><doi>10.1164/rccm.200808-1359OC</doi><tpages>6</tpages></addata></record>
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subjects Acids
Adult
Aged
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
Case-Control Studies
Catheters
Connective tissue
Dyspnea
Electric Impedance
Esophageal pH Monitoring
Esophagus
Esophagus - pathology
Esophagus - physiopathology
Female
Gastroesophageal reflux
Gastroesophageal Reflux - complications
Gastroesophageal Reflux - pathology
Gastroesophageal Reflux - physiopathology
Humans
Intensive care medicine
Investigations
Lung diseases
Lungs
Male
Medical sciences
Middle Aged
Mortality
Motility
Pathogenesis
Pneumology
Prospective Studies
Protons
Pulmonary fibrosis
Pulmonary Fibrosis - complications
Pulmonary Fibrosis - pathology
Pulmonary Fibrosis - physiopathology
Pulmonary hypertension. Acute cor pulmonale. Pulmonary embolism. Pulmonary vascular diseases
Respiratory Function Tests
Scleroderma
Scleroderma, Systemic - complications
Scleroderma, Systemic - pathology
Scleroderma, Systemic - physiopathology
Tomography, X-Ray Computed
Young Adult
title Gastroesophageal Reflux and Pulmonary Fibrosis in Scleroderma: A Study Using pH-Impedance Monitoring
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