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Erosive Esophagitis and Symptoms of Gastroesophageal Reflux Disease in Patients with Morbid Obesity with and without Type 2 Diabetes: a Cross-sectional Study. Obes Surg 2021; 30:2667-2675. [PMID: 32193740 DOI: 10.1007/s11695-020-04545-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Type 2 diabetes (T2DM) is associated with gastroesophageal reflux disease (GERD) in the general population, but the relationship between these conditions in candidates for bariatric surgery is uncertain. We compared the prevalence of GERD and the association between GERD symptoms and esophagitis among bariatric candidates with and without T2DM. METHODS Cross-sectional study of baseline data from the Oseberg study in Norway. Both groups underwent gastroduodenoscopy and completed validated questionnaires: Gastrointestinal Symptom Rating Scale and Gastroesophageal Reflux Disease Questionnaire. Participants with T2DM underwent 24-h pH-metry. RESULTS A total of 124 patients with T2DM, 81 women, mean (SD) age 48.6 (9.4) years and BMI 42.3 (5.5) kg/m2, and 64 patients without T2DM, 46 women, age 43.0 (11.0) years and BMI 43.0 (5.0) kg/m2, were included. The proportions of patients reporting GERD-symptoms were low (< 29%) and did not differ significantly between groups, while the proportions of patients with esophagitis were high both in the T2DM and non-T2DM group, 58% versus 47%, p = 0.16. The majority of patients with esophagitis did not have GERD-symptoms (68-80%). Further, 55% of the patients with T2DM had pathologic acid reflux. Among these, 71% also had erosive esophagitis, whereof 67% were asymptomatic. CONCLUSIONS The prevalence of GERD was similar in bariatric patients with or without T2DM, and the proportion of patients with asymptomatic GERD was high independent of the presence or absence of T2DM. Accordingly, GERD may be underdiagnosed in patients not undergoing a preoperative endoscopy or acid reflux assessment. TRIAL REGISTRATION Clinical Trials.gov number NCT01778738.
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Raj PP, Bhattacharya S, Misra S, Kumar SS, Khan MJ, Gunasekaran SC, Palanivelu C. Gastroesophageal reflux-related physiologic changes after sleeve gastrectomy and Roux-en-Y gastric bypass: a prospective comparative study. Surg Obes Relat Dis 2019; 15:1261-1269. [PMID: 31279562 DOI: 10.1016/j.soard.2019.05.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 05/07/2019] [Accepted: 05/07/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND The development of gastroesophageal reflux disease (GERD) after laparoscopic sleeve gastrectomy (LSG) is a major concern as it affects the quality of life of the patients and potentially exposes them to the complications of GERD. The reported incidence of GERD after LSG is up to 35%. Laparoscopic Roux-en-Y gastric bypass (LRYGB) is considered the procedure of choice for patients with morbid obesity with GERD but objective evidence based on physiologic studies for the same are limited. OBJECTIVE The objectives of the study were to determine the physiologic changes related to gastroesophageal reflux based on symptoms index, 24-hour pH study, impedance, and manometry after LSG and LRYGB. SETTINGS Tertiary care teaching hospital, India. METHODS This registered study (CTRI/2017/06/008834) is a prospective, nonrandomized, open-label clinical trial comparing the incidence of GERD after LSG and LRYGB. In this study, non-GERD patients were evaluated for GERD based on clinical questionnaires, 24-hour pH study, and impedance manometry preoperatively and 6 months postoperatively. RESULTS Thirty patients underwent LSG, and 16 patients underwent LRYGB. The mean DeMeester score increased from 10.9 ± 11.8 to 40.2 ± 38.6 (P = .006) after LSG. The incidence of GERD after LSG was 66.6%. The increase in DeMeester score from 9.5 ± 4.6 to 12.2 ± 17.2 after LRYGB was not significant (P = .7). There was a significant increase in the nonacid reflux both after LSG and LRYGB. CONCLUSION The incidence of GERD after LSG is high, making it a contraindication for LSG. LRYGB remains the preferred procedure for patients with GERD. However, more studies are needed to understand the physiologic changes in patients with preexisting GERD.
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Affiliation(s)
- P Praveen Raj
- Department of Bariatric & Metabolic Surgery, GEM Hospital & Research Centre, Coimbatore, India.
| | - Siddhartha Bhattacharya
- Department of Bariatric & Metabolic Surgery, GEM Hospital & Research Centre, Coimbatore, India
| | - Shivanshu Misra
- Department of Bariatric & Metabolic Surgery, GEM Hospital & Research Centre, Coimbatore, India
| | - S Saravana Kumar
- Department of Bariatric & Metabolic Surgery, GEM Hospital & Research Centre, Coimbatore, India
| | - Mohd Juned Khan
- Department of Medical Gastroenterology, GEM Hospital & Research Centre, Coimbatore, India
| | | | - C Palanivelu
- Department of Surgical Gastroenterology, GEM Hospital & Research Centre, Coimbatore, India
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Gong EJ, Jung KW, Min YW, Hong KS, Jung HK, Son HJ, Kim DY, Lee J, Lee OY. Validation of the Korean Version of the Gastroesophageal Reflux Disease Questionnaire for the Diagnosis of Gastroesophageal Reflux Disease. J Neurogastroenterol Motil 2019; 25:91-99. [PMID: 30646480 PMCID: PMC6326199 DOI: 10.5056/jnm18133] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 10/16/2018] [Accepted: 10/25/2018] [Indexed: 12/13/2022] Open
Abstract
Background/Aims The Gastroesophageal Reflux Disease Questionnaire (GerdQ) has been developed and validated as a tool for the diagnosis of gastroesophageal reflux disease (GERD) in patients with gastrointestinal symptoms. However, the GerdQ and the cutoff value for determining GERD has not been validated in Korea. Methods Patients with symptoms suggestive of GERD were consecutively recruited. The Korean version of GerdQ was developed through a forward-backward translation process according to the cross-cultural adaptation method. Endoscopically documented esophagitis, abnormal results on 24-hour ambulatory pH recording with symptom association monitoring, or response to proton pump inhibitor treatment were used as diagnostic references for GERD. The reproducibility and test characteristics of the Korean version of GerdQ were assessed. Results A total of 149 patients with a median age of 55 years were analyzed. The intra-class correlation coefficient of 2 subsequently measured GerdQ scores was 0.651 (95% CI, 0.518-0.748). The cutoff value of 8 was found to have the highest sensitivity (64.9%; 95% CI, 56.2-73.7) and specificity (71.4%; 95% CI, 56.5-86.4) for the diagnosis of GERD. The questionnaire had a high positive predictive value (88.1%; 95% CI, 81.2-95.0), but a low negative predictive value (38.5%; 95% CI, 26.2-50.3) for GERD. Any symptom improvement on proton pump inhibitor treatment showed a sensitivity of 93.0% (95% CI, 88.3-97.7) and a specificity of 48.6% (95% CI, 32.0-65.1) for GERD. Conclusion The Korean version of GerdQ is a useful complementary tool in the diagnosis of GERD.
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Affiliation(s)
- Eun Jeong Gong
- Department of Internal Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Gangwon-do, Korea
| | - Kee Wook Jung
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Yang-Won Min
- Department of Gastroenterology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Kyoung Sup Hong
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Hye-Kyung Jung
- Department of Internal Medicine, Ewha Womans University School of Medicine, Seoul, Korea
| | - Hee Jung Son
- Department of Gastroenterology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Do Yeon Kim
- Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
| | - Jungbok Lee
- Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, Seoul, Korea
| | - Oh Young Lee
- Department of Internal Medicine, Hanyang University School of Medicine, Seoul, Korea
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Pictograms to Provide a Better Understanding of Gastroesophageal Reflux Symptoms in Chinese Subjects. Gastroenterol Res Pract 2017; 2017:1214584. [PMID: 28656044 PMCID: PMC5471582 DOI: 10.1155/2017/1214584] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 05/02/2017] [Indexed: 12/28/2022] Open
Abstract
OBJECTIVE To explore whether pictograms could help people understand reflux symptoms. METHODS Gastroenterologists (n = 28), non-GI physicians (n = 30), healthy people without medical education (n = 34), patients with gastrointestinal reflux disease (GERD) (n = 45), and general people (n = 100) were included. Pictograms denoting classic reflux symptoms (sour regurgitation, heartburn, retrosternal pain, and regurgitation) were created by the joint efforts of an artist and a gastroenterologist. The subjects were asked to tell the meaning of each card within 30 s. RESULTS Compared with the physicians, healthy people without medical education tended to make mistakes in the understanding of the terms of reflux symptoms. Among GERD patients, all the terms of reflux symptoms could be understood accurately. Compared with that of non-GI physicians, GI physician had a higher accuracy in the understanding of the term regurgitation (P < 0.05). Pictograms denoting reflux symptoms could be understood accurately in all four groups. A sample from the general population showed that the recognition of the pictogram was more accurate than the recognition of the terms. CONCLUSIONS Pictograms could help ordinary people who do not have medical education to understand reflux symptoms more accurately in China. Compared with abstract terms, pictograms could be useful for epidemiological studies and diagnosis of GERD in the community.
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Fuller G, Bolus R, Whitman C, Talley J, Erder MH, Joseph A, Silberg DG, Spiegel B. PRISM, a Patient-Reported Outcome Instrument, Accurately Measures Symptom Change in Refractory Gastroesophageal Reflux Disease. Dig Dis Sci 2017; 62:593-606. [PMID: 28116591 DOI: 10.1007/s10620-016-4440-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 12/29/2016] [Indexed: 12/22/2022]
Abstract
BACKGROUND Most patients with gastroesophageal reflux disease (GERD) experience relief following treatment with proton pump inhibitors (PPIs) (Vakil et al. in Am J Gastroenterol 101:1900-1920, 2006; Everhart and Ruhl in Gastroenterology 136:376-386, 2009). As many as 17-44% of patients, however, exhibit only partial response to therapy. Most extant GERD patient-reported outcome (PRO) instruments fail to meet development best practices as described by the FDA (Talley and Wiklund in Qual Life Res 14:21-33, 2005; Van Pinxteren et al. in Cochrane Database Syst Rev 18:CD002095, 2004; El-Serag et al. in Aliment Pharmacol Ther 32:720-737, 2010). AIM To develop and validate a PRO instrument for clinical trials involving patients with GERD who are PPI partial responders. METHODS We prepared a systematic literature review, held patient focus groups, convened an expert panel, and conducted cognitive interviews to establish content validity. Eligible participants took PPI therapy for at least 8 weeks, had undergone an upper endoscopy, and scored at least 8 points on the GerdQ [6]. Qualitative data guided development of 26 draft items. Items were reviewed by expert panels and debriefed with patients. The resulting 21-item instrument underwent psychometric evaluation during a Phase IIB trial. RESULTS During the trial, confirmatory factor analysis (n = 220) resulted in a four-factor model displaying the highest goodness of fit. All domains had a high inter-item correlation (Cronbach's α > 0.8). Test-retest reliability and convergent validity were strong, with highly significant (p < 0.01) correlations between average weekly PRISM scores and severity anchors and significant (p < 0.05) correlations with anchor subscales. Cumulative distribution functions revealed significant differences between responders and non-responders. CONCLUSIONS Analysis in a clinical trial setting demonstrated strong psychometric properties suggesting validity of PRISM. Developed in line with FDA guidance on PROs, PRISM represents an important new outcome measure for patients with GERD with a partial response to PPI therapy.
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Affiliation(s)
- Garth Fuller
- Cedars-Sinai Center for Outcomes Research and Education (CS-CORE), 116 N. Robertson Blvd.Suite 400, Los Angeles, CA, 90048, USA
| | - Roger Bolus
- Cedars-Sinai Center for Outcomes Research and Education (CS-CORE), 116 N. Robertson Blvd.Suite 400, Los Angeles, CA, 90048, USA.,UCLA Fielding School of Public Health, Los Angeles, CA, USA.,, 1016 Quail Gardens Ct, Encinitas, CA, 92024, USA
| | - Cynthia Whitman
- Cedars-Sinai Center for Outcomes Research and Education (CS-CORE), 116 N. Robertson Blvd.Suite 400, Los Angeles, CA, 90048, USA.,, 44 16th Street, Hermosa Beach, CA, 90254, USA
| | - Jennifer Talley
- Cedars-Sinai Center for Outcomes Research and Education (CS-CORE), 116 N. Robertson Blvd.Suite 400, Los Angeles, CA, 90048, USA
| | - M Haim Erder
- M. H. Erder Health Economics, Inc, Livingston, NJ, USA
| | | | | | - Brennan Spiegel
- Cedars-Sinai Center for Outcomes Research and Education (CS-CORE), 116 N. Robertson Blvd.Suite 400, Los Angeles, CA, 90048, USA. .,UCLA Fielding School of Public Health, Los Angeles, CA, USA. .,Department of Medicine, Cedars-Sinai Health System, Cedars-Sinai Medical Center, Los Angeles, CA, USA. .,VA Greater Los Angeles Healthcare System, Los Angeles, CA, USA.
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Contreras-Omaña R, Sánchez-Reyes O, Ángeles-Granados E. Comparison of the Carlsson-Dent and GERD-Q questionnaires for gastroesophageal reflux disease symptom detection in a general population. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO (ENGLISH EDITION) 2017. [DOI: 10.1016/j.rgmxen.2016.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Mizuki A, Tatemichi M, Sakakibara T, Miura Y, Zeki S, Ohata M, Matsuo K, Kawamura F, Nagata H. A Multicenter, Randomized, Open-Label Trial: Efficacy of Once-Daily Versus Twice-Daily Double-Dose Rabeprazole on Refractory Gastroesophageal Reflux Disease-Related Symptoms and Quality of Life. Curr Ther Res Clin Exp 2016; 79:1-7. [PMID: 28066515 PMCID: PMC5200872 DOI: 10.1016/j.curtheres.2016.11.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2016] [Indexed: 12/15/2022] Open
Abstract
Background Approximately 20% to 40% of patients with gastroesophageal reflux disease (GERD) are refractory to standard-dose proton-pump inhibitor (PPI) treatment. Objective We compared the efficacy and quality-of-life effects of 20 mg once daily (QD) versus 10 mg twice daily (BID) rabeprazole (RPZ) in patients with refractory GERD-related symptoms and sleep disturbances. Methods This multicenter, prospective, randomized, open-label study included patients in whom PPI treatment >4 weeks was ineffective. According to the Global Overall Symptom (GOS) scale, PPI-refractory GERD was defined as ≥1 category with >3 points among 10 specific upper gastrointestinal symptoms. Seventy-eight patients were randomly assigned to 20 mg QD and 10 mg BID RPZ groups for 8 weeks. Efficacy was evaluated using self-reported questionnaires, including the GOS scale and Pittsburg Sleep Quality Index (PSQI), whereas quality of life was assessed using the Short-Form 8 Health Survey (SF-8), at 4 and 8 weeks. Patients showing improvement at 8 weeks received follow-up every 4 to 8 weeks. Results GOS scale scores were significantly improved at 8 weeks in both groups, with no significant intergroup differences. Although SF-8 scores showed an increasing trend over 8 weeks in both groups, the physical component summaries in the 10 mg BID group significantly improved. The mental component summaries clearly improved in the 10 mg BID group. Of the 74 cases (4 missing), 51 (68.9%) had PSQI scores ≥5.5. PSQI scores remained unchanged during follow-up in both groups. The recurrence rate was not significantly different (46.1% vs 47.1% in the 20 mg QD and 10 mg BID groups, respectively) during the follow-up period at median (interquartile range) 24.0 (30.5) months. Conclusions In patients with refractory GERD, there was no significant difference in GOS scale score, PSQI, or recurrence rate between the groups. With regard to subscores of the SF-8, the 10 mg BID group might be potentially effective. This multicenter prospective randomized comparative study compares the efficacy on symptoms, QOL and sleep disturbance between two ways of double dose PPI; once-daily 20mg RPZ or twice-daily 10mg RPZ. The patients with PPI refractory GERD were suffered from severe acid reflux symptoms, sleep disturbance and general distress. For these reasons, to establish the treatments to refractory GERD was important to improve their QOL. In patients with refractory GERD, there was no significant difference in GOS, PSQI, or recurrence rate between the groups.
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Affiliation(s)
- Akira Mizuki
- Department of Internal Medicine, Keiyu Hospital, Yokohama, Japan
| | - Masayuki Tatemichi
- Department of Preventive Medicine, Tokai University School of Medicine, Isehara, Japan
| | | | | | | | | | | | | | - Hiroshi Nagata
- Department of Preventive Medicine, Tokai University School of Medicine, Isehara, Japan
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Contreras-Omaña R, Sánchez-Reyes O, Ángeles-Granados E. Comparison of the Carlsson-Dent and GERD-Q questionnaires for gastroesophageal reflux disease symptom detection in a general population. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO 2016; 82:19-25. [PMID: 27865578 DOI: 10.1016/j.rgmx.2016.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 05/14/2016] [Accepted: 05/31/2016] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Gastroesophageal reflux disease (GERD) is an extremely common pathology in the general population and one of the main reasons for consultation in gastroenterology. There are different instruments for detecting its symptoms, but few studies comparing one tool with another have been conducted in Mexico. AIMS To compare the effectiveness of the Carlsson-Dent questionnaire (CDQ) and the GERD-Q questionnaire (GQQ) in detecting GERD symptoms in a general population. MATERIALS AND METHODS A prospective, descriptive, cross-sectional study was conducted on 220 individuals in an open population within the time frame of May-June 2015. The subjects were evaluated through the self-assessment CDQ and GQQ. The positive scores from the CDQ (≥ 4) were compared with those of the GQQ (≥ 8), to determine which of the two instruments more easily detected patients with GERD symptoms. RESULTS Fifty-seven percent of the patients were men and the mean patient age was 38.1 years. Fifty percent of the subjects presented with GERD symptoms with a positive score in at least one questionnaire; 45% had positive CDQ results and 23% had positive GQQ results. Fifty-seven percent of the patients with a positive CDQ score presented with overweight/obesity, as did 72% of the patients with a positive GQQ result. Finally, 20% of the individuals had positive results for reflux symptoms in both questionnaires. CONCLUSIONS There was a prevalence of GERD symptoms in 50% of the individuals studied from a general population. The GQQ detected a greater number of GERD symptoms in patients that presented with overweight/obesity and the CDQ was considered easier for patients to understand and answer. It is striking that there was only 20% agreement between the two questionnaires, suggesting that they may be useful for identifying GERD symptoms in different populations.
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Affiliation(s)
- R Contreras-Omaña
- Centro de Investigación de Enfermedades Hepáticas y Gastroenterología, Pachuca de Soto, Hidalgo, México.
| | - O Sánchez-Reyes
- Escuela de Medicina «Dr. José Sierra Flores», Área de Ciencias de la Salud, Universidad del Noreste, Tampico, Tamaulipas, México
| | - E Ángeles-Granados
- Instituto de Ciencias de la Salud, Área Académica de Medicina, Universidad Autónoma del Estado de Hidalgo, Pachuca de Soto, Hidalgo, México
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El Chaar M, Ezeji G, Claros L, Miletics M, Stoltzfus J. Short-Term Results of Laparoscopic Sleeve Gastrectomy in Combination with Hiatal Hernia Repair: Experience in a Single Accredited Center. Obes Surg 2016; 26:68-76. [PMID: 26081111 DOI: 10.1007/s11695-015-1739-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Laparoscopic sleeve gastrectomy (SG), while generally safe and efficacious, may be complicated by gastroesophageal reflux disease (GERD) symptoms as well as the need for hiatus hernia (HH) repair. Identification and management of HH during SG and the effect of HH repair on GERD-related symptoms following SG are controversial. OBJECTIVE This study aimed to evaluate HH repair during SG in morbidly obese patients and its short-term effect on GERD-related symptoms and other clinical outcomes. SETTING University Hospital, United States METHODS We retrospectively reviewed patients who underwent primary SG and HH repair. Outcomes included operative time, blood loss, postoperative excess weight loss (%EWL), and self-reported GERD symptoms using a health-related quality of life (HRQL) questionnaire. RESULTS For a total of 338 patients, 99 patients (29 %) underwent SG in combination with HH repair; 56 patients (16 %) underwent anterior repair of HH (SG + HH), and 43 patients (13 %) underwent posterior repair with or without mesh placement (SG + paraesophageal hernia (PEH)). We found no significant differences in operative time or blood loss, with significantly higher %EWL at 6 months in SG + HH (n = 43) and SG + PEH (n = 32) compared to SG alone (n = 190). There was also a statistically significant improvement in postoperative GERD symptoms. Finally, SG + HH and SG + PEH patients reported greater satisfaction compared to SG patients (>93 versus 87 %). CONCLUSIONS SG patients undergoing HH repair experienced higher %EWL, improved GERD symptoms, and greater satisfaction compared to SG alone in the short term. Further studies are needed to clarify long-term outcomes among patients undergoing SG in combination with HH repair.
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Affiliation(s)
- Maher El Chaar
- Department of Surgery, Division of Bariatric and Minimally Invasive Surgery, The Medical School of Temple University, St Luke's University and Health Network, 240 Cetronia Road, Suite 205, North Allentown, PA, 18104, USA.
| | - George Ezeji
- Department of Surgery, Division of Bariatric and Minimally Invasive Surgery, The Medical School of Temple University, St Luke's University and Health Network, 240 Cetronia Road, Suite 205, North Allentown, PA, 18104, USA
| | - Leonardo Claros
- Department of Surgery, Division of Bariatric and Minimally Invasive Surgery, The Medical School of Temple University, St Luke's University and Health Network, 240 Cetronia Road, Suite 205, North Allentown, PA, 18104, USA
| | - Maureen Miletics
- Department of Surgery, Division of Bariatric and Minimally Invasive Surgery, The Medical School of Temple University, St Luke's University and Health Network, 240 Cetronia Road, Suite 205, North Allentown, PA, 18104, USA
| | - Jill Stoltzfus
- Research Institute and Medical School of Temple University, St. Luke's University Health Network, Allentown, PA, USA
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Kim C, Ouyang W, Dass C, Zhao H, Criner GJ. Hiatal Hernia on Chest High-Resolution Computed Tomography and Exacerbation Rates in COPD Individuals. CHRONIC OBSTRUCTIVE PULMONARY DISEASES-JOURNAL OF THE COPD FOUNDATION 2016; 3:570-579. [PMID: 28848881 DOI: 10.15326/jcopdf.3.2.2015.0158] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background: Gastroesophageal reflux disease (GERD) is associated with frequent chronic obstructive pulmonary disease (COPD) exacerbations. Hiatal hernia (HH) contributes to GERD pathogenesis and is identifiable on chest high-resolution computed tomography (HRCT). We hypothesize that the presence of an HH on HRCT identifies those at increased risk for acute exacerbation of COPD. Methods: We retrospectively reviewed a prospectively enrolled cohort of smokers with and without airflow obstruction. HHs were identified visually on inspiratory HRCT. Individuals' demographic and clinical information was compared with secondary analysis performed using a propensity score generated matched cohort. Results: There were 523 COPD individuals and 607 unobstructed smokers. COPD individuals had more HHs than unobstructed smokers, (11.6% versus 6.1%, p < 0.001). COPD individuals with hernias were older, female, overweight and GERD positive as compared to those without hernia. There was no difference in self-reported exacerbation rates or hospitalizations per year, but similar severity of obstruction, smoking rates and long-term oxygen use. Analysis with the matched cohort revealed no significant difference in exacerbation rates. Conclusions: Presence of HHs on inspiratory HRCT scan did not predict worse symptoms or exacerbation rate in COPD individuals. Those with HHs were older, more obese, and predominantly female compared to those without HHs.
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Affiliation(s)
- Cynthia Kim
- Department of Pulmonary and Critical Care Medicine, Temple University Hospital, Philadelphia, Pennsylvania.,Co-first Authors
| | - Wei Ouyang
- Department of Radiology, Temple University Hospital, Philadelphia, Pennsylvania.,Co-first Authors
| | - Chandra Dass
- Department of Radiology, Temple University Hospital, Philadelphia, Pennsylvania
| | - Huaqing Zhao
- Temple Clinical Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania
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Lee AL, Goldstein RS. Gastroesophageal reflux disease in COPD: links and risks. Int J Chron Obstruct Pulmon Dis 2015; 10:1935-49. [PMID: 26392769 PMCID: PMC4574848 DOI: 10.2147/copd.s77562] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
COPD is a long-term condition associated with considerable disability with a clinical course characterized by episodes of worsening respiratory signs and symptoms associated with exacerbations. Gastroesophageal reflux disease (GERD) is one of the most common gastrointestinal conditions in the general population and has emerged as a comorbidity of COPD. GERD may be diagnosed by both symptomatic approaches (including both typical and atypical symptoms) and objective measurements. Based on a mix of diagnostic approaches, the prevalence of GERD in COPD ranges from 17% to 78%. Although GERD is usually confined to the lower esophagus in some individuals, it may be associated with pulmonary microaspiration of gastric contents. Possible mechanisms that may contribute to GERD in COPD originate from gastroesophageal dysfunction, including altered pressure in the lower esophageal sphincter (which normally protect against GERD) and changes in esophageal motility. Proposed respiratory contributions to the development of GERD include respiratory medications that may alter esophageal sphincter tone and changes in respiratory mechanics, with increased lung hyperinflation compromising the antireflux barrier. Although the specific cause and effect relationship between GERD and COPD has not been fully elucidated, GERD may influence lung disease severity and has been identified as a significant predictor of acute exacerbations of COPD. Further clinical effects could include a poorer health-related quality of life and an increased cost in health care, although these factors require further clarification. There are both medical and surgical options available for the treatment of GERD in COPD and while extensive studies in this population have not been undertaken, this comorbidity may be amenable to treatment.
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Affiliation(s)
- Annemarie L Lee
- West Park Healthcare Centre, University of Toronto, Toronto, ON, Canada ; Department of Physical Therapy, University of Toronto, Toronto, ON, Canada ; Institute for Breathing and Sleep, Austin Hospital, Melbourne, VIC, Australia
| | - Roger S Goldstein
- West Park Healthcare Centre, University of Toronto, Toronto, ON, Canada ; Department of Physical Therapy, University of Toronto, Toronto, ON, Canada ; Department of Medicine, University of Toronto, Toronto, ON, Canada
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Drinnan M, Powell J, Nikkar-Esfahani A, Heading RC, Doyle J, Griffin SM, Leslie P, Bradley PT, James P, Wilson JA. Gastroesophageal and extraesophageal reflux symptoms: Similarities and differences. Laryngoscope 2014; 125:424-30. [DOI: 10.1002/lary.24950] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 08/30/2014] [Accepted: 09/04/2014] [Indexed: 11/10/2022]
Affiliation(s)
- Michael Drinnan
- Department of Medical Physics; Freeman Hospital, Newcastle upon Tyne; United Kingdom
| | - Jason Powell
- Department Otolaryngology-Head and Neck Surgery; Freeman Hospital, Newcastle upon Tyne; United Kingdom
| | - Ali Nikkar-Esfahani
- Department Otolaryngology-Head and Neck Surgery; Freeman Hospital, Newcastle upon Tyne; United Kingdom
| | - Robert C. Heading
- School of Medicine, Pharmacy and Health; Durham University; Durham United Kingdom
| | - Jill Doyle
- Endoscopy Unit; Royal Victoria Infirmary, Newcastle upon Tyne; United Kingdom
| | - S. Michael Griffin
- Northern Oesophago-Gastric Cancer Unit; Royal Victoria Infirmary, Newcastle upon Tyne; United Kingdom
| | - Paula Leslie
- Department of Communication Science and Disorders; University of Pittsburgh; Pittsburgh Pennsylvania U.S.A
| | - Paula T. Bradley
- Department Otolaryngology-Head and Neck Surgery; Freeman Hospital, Newcastle upon Tyne; United Kingdom
| | | | - Janet A. Wilson
- Department Otolaryngology-Head and Neck Surgery; Freeman Hospital, Newcastle upon Tyne; United Kingdom
- Institute of Health and Society, Newcastle University, Newcastle Upon Tyne; United Kingdom
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Nonaka T, Kessoku T, Ogawa Y, Yanagisawa S, Shiba T, Sakaguchi T, Atsukawa K, Takahashi H, Sekino Y, Iida H, Endo H, Sakamoto Y, Koide T, Takahashi H, Yoneda M, Maeda S, Nakajima A, Gotoh E, Inamori M. Comparative Study of 2 Different Questionnaires in Japanese Patients: The Quality of Life and Utility Evaluation Survey Technology Questionnaire (QUEST) Versus the Frequency Scale for the Symptoms of Gastroesophageal Reflux Disease Questionnaire (FSSG). J Neurogastroenterol Motil 2013; 19:54-60. [PMID: 23350048 PMCID: PMC3548128 DOI: 10.5056/jnm.2013.19.1.54] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2012] [Revised: 08/30/2012] [Accepted: 09/04/2012] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND/AIMS The aim of this study was to examine the convenience of the quality of life and utility evaluation survey technology (QUEST) questionnaire and the frequency scale for the symptoms of gastroesophageal reflux disease (FSSG) questionnaire as self-assessment diagnostic instrument. METHODS This was a two-way crossover study conducted over 6 weeks from September 2010 to November 2010. The subjects were 60 consecutive patients admitted to the Hiratsuka city hospital with a gastrointestinal condition, regardless of the coexistence of heartburn. They were assigned to fill in both the QUEST and FSSG questionnaires in random order. We analyzed the time taken to complete the questionnaires, whether subjects asked any questions as they filled in the questionnaire, and the questionnaire scores. RESULTS Comparison of the QUEST and the FSSG revealed significant differences in the completion time (196.5 vs. 97.5 seconds, respectively; P < 0.0001) and in whether subjects asked any questions (37 vs. 15 subjects, respectively; P < 0.0001). Completion time in QUEST scores of ≥ 4 was lower than < 4 (170.5 vs. 214.0 seconds, respectively; P = 0.022), and the QUEST score was significantly higher without questions than with question (3 vs. 1 points, respectively; P = 0.025). CONCLUSIONS This study revealed that the FSSG questionnaire may be easier for Japanese subjects to complete than the QUEST questionnaire.
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Affiliation(s)
- Takashi Nonaka
- Division of Gastroenterology, Yokohama City University Hospital, Yokohama, Japan. ; Department of Gastroenterology, Hiratsuka City Hospital, Hiratsuka, Japan
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14
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Miele L, Cammarota G, Vero V, Racco S, Cefalo C, Marrone G, Pompili M, Rapaccini G, Bianco A, Landolfi R, Gasbarrini A, Grieco A. Non-alcoholic fatty liver disease is associated with high prevalence of gastro-oesophageal reflux symptoms. Dig Liver Dis 2012; 44:1032-6. [PMID: 22963909 DOI: 10.1016/j.dld.2012.08.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2012] [Revised: 08/03/2012] [Accepted: 08/05/2012] [Indexed: 12/11/2022]
Abstract
BACKGROUND Gastro-oesophageal reflux symptoms are usually reported by patients with obesity and metabolic syndrome. Aim of this study was to assess the prevalence and clinical characteristics of gastro-oesophageal reflux symptoms in subjects with non-alcoholic fatty liver disease. METHODS Cross-sectional, case-control study of 185 consecutive patients with non-alcoholic fatty liver disease and an age- and sex-matched control group of 112 healthy volunteers. Participants were interviewed with the aid of a previously validated questionnaire to assess lifestyle and reflux symptoms in the 3 months preceding enrolment. Odds ratios were determined before and after adjustment for body mass index, increased waist circumference, physical activity, metabolic syndrome and proton pump inhibitors and/or antiacid medication. RESULTS The prevalence of heartburn and/or regurgitation and of at least one of gastro-oesophageal reflux symptoms was significantly higher in the non-alcoholic fatty liver disease group. Non-alcoholic fatty liver disease subjects were associated to higher prevalence of heartburn (adjusted odds ratios: 2.17, 95% confidence intervals: 1.16-4.04), regurgitation (adjusted odds ratios: 2.61, 95% confidence intervals: 1.24-5.48) and belching (adjusted odds ratios: 2.01, 95% confidence intervals: 1.12-3.59) and had higher prevalence of at least one GER symptom (adjusted odds ratios: 3.34, 95% confidence intervals: 1.76-6.36). CONCLUSION Non-alcoholic fatty liver disease is associated with a higher prevalence of gastro-oesophageal reflux symptoms.
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Affiliation(s)
- Luca Miele
- Department of Internal Medicine, Catholic University of the Sacred Heart, Rome, Italy.
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15
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The usefulness of the original questionnaire in the evaluation of quality of life in patients with gastroesophageal reflux disease. POLISH JOURNAL OF SURGERY 2011; 83:377-85. [PMID: 22166666 DOI: 10.2478/v10035-011-0060-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
UNLABELLED Gastroesophageal reflux disease (GERD) constitutes a significant health problem in societies of high socioeconomic status. The notion of quality of life is broader than the definition of health and encompasses two aspects: the subjective and objective one. The tools used for the evaluation of quality of life are questionnaires. The aim of the study was the evaluation of the original quality of life questionnaire in patients with gastroesophageal reflux disease treated for 4 weeks with a single dose of omeprazole at 20 mg daily. MATERIAL AND METHODS The original quality of life questionnaire was formulated based on the Likert method. Four time levels of complaint persistence were introduced. The patients were asked 10 questions with earlier prepared answers marked by the respondents. Each of the questions corresponded to a certain time level of complaint persistence. The data obtained from the questionnaires were subject to statistical analysis. The studies were conducted on a group of 10,623 patients. Adequate methods were used in the statistical analysis of data from obtained answers. The significance threshold for each of the studies was p < 0.01, which means that the obtained conclusions are true with the probability of at least 99%. The majority of statistical calculations were performed with the use of STATISTICA 7.0 and Excel software. RESULTS Improvement of quality of life was found in all the studied aspects: physical (questions 1, 3, 4, 5, 7), functional (question 6), emotional (questions 2, 10) and social (questions 8, 9). No correlation with age or gender was found. The analysis of test correctness was conducted, revealing reliability, validity, sensitivity, appropriateness and practicality of the questionnaire. CONCLUSIONS 1. The original quality of life questionnaire meets the requirements for the tools evaluating quality of life in gastroesophageal reflux disease. 2. The usefulness of questionnaire was confirmed in a group of 10,623 patients with gastroesophageal reflux disease in the Polish population. 3. The questionnaire equals the international tests, while its advantages are the ease of completion and high level of perception.
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Lopez-Alvarenga JC, Sobrino-Cossio S, Fass R, Vargas-Romero JA. Physicians and patients measure different dimension on assessment for gastroesophageal reflux disease-related symptoms [corrected]. J Neurogastroenterol Motil 2011; 17:381-6. [PMID: 22148107 PMCID: PMC3228978 DOI: 10.5056/jnm.2011.17.4.381] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Revised: 09/02/2011] [Accepted: 09/07/2011] [Indexed: 11/24/2022] Open
Abstract
Background/Aims Gastroesophageal reflux disease is a highly prevalent disease. Assessing treatment efficacy is critical in that clinical endpoints are properly evaluated. Clinical tools for symptoms severity assessment should be discriminative, predictive and evaluative. Methods In this study we compared a patient-oriented symptoms evaluation (ReQuest™) vs a structured interview assessment initiated by a physician (sickness impact profile [SIP]). Both questionnaires were analyzed in a multidimensional space using latent factors. Five dimensions were found: 1 for the short ReQuest™ questionnaire and 4 for SIP. Results We included 1,522 women and 1,296 men; mean age was 36 ± 7 years, and mean body mass index was 26 ± 4. The score questionnaire assessment evaluation by physicians and patients did not correlate between them (between r = 0.03 and 0.26) except nausea and sleep disorder (r = 0.45 and 0.51) but both were sensitive enough to detect changes after treatment (P < 0.05). Medical specialty of the physician showed effect on the score of both, ReQuest™ and SIP evaluation. Questionnaire variance decomposition due to specialist was only 2% (P < 0.05). Conclusions While both evaluations are orthogonal (non-correlated), meaning patients and physicians measured diverse aspects of the same disease, they both were able to measure patient's improvement with treatment.
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Savarino E, Zentilin P, Savarino V. Nocturnal reflux and sleep disturbances: an overlooked link in the past. Dig Liver Dis 2011; 43:755-6. [PMID: 21835706 DOI: 10.1016/j.dld.2011.07.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2011] [Accepted: 07/05/2011] [Indexed: 12/11/2022]
Affiliation(s)
- Edoardo Savarino
- Division of Gastroenterology, Department of Internal Medicine, University of Genoa, Genoa, Italy
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18
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Prospective evaluation of the relationship between acute exacerbations of COPD and gastroesophageal reflux disease diagnosed by questionnaire. Respir Med 2011; 105:1531-6. [DOI: 10.1016/j.rmed.2011.03.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Revised: 02/23/2011] [Accepted: 03/08/2011] [Indexed: 12/21/2022]
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19
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Camacho S, Bernal F, Abdo M, Awad RA. Endoscopic and symptoms analysis in Mexican patients with irritable Bowel syndrome, dyspepsia, and gastroesophageal reflux disease. AN ACAD BRAS CIENC 2011; 82:953-62. [PMID: 21152770 DOI: 10.1590/s0001-37652010000400018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2009] [Accepted: 08/17/2010] [Indexed: 02/08/2023] Open
Abstract
The aim of this study was to analyze the data of endoscopy and symptoms in 118 Mexican patients with irritable bowel syndrome (IBS), dyspepsia, non-erosive reflux disease (NERD) and erosive esophagitis (EE). IBS criteria were fulfilling for dyspepsia patients in 47%, for NERD in 48%, and for EE patients in 48% of cases. Esophagitis was present in 42% of patients with IBS and in 45% of patients with dyspepsia. A higher prevalence of hiatus hernia was found in EE vs. NERD. Heartburn and acid eructation were associated with the presence of esophagitis; acid eructation, regurgitation and nocturnal pain with duodenitis; and heartburn and regurgitation with hiatus hernia. Males more frequently reported: mucus in feces, abdominal distension, nausea and gastritis; and women more frequently reported esophagitis and duodenitis. Patients with NERD (OR 2.54, 95% CI 1.08 to 5.99, p=0.04), tenesmus and early satiety, and men had an increase risk for reporting hard or lumpy stools. In conclusion, nearly half of the Mexican patients with NERD, EE and dyspepsia fulfill criteria for IBS. A large number of symptoms were correlated with endoscopy, which can be used to improve the indication of the endoscopy and its implementation in clinical studies.
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Affiliation(s)
- Santiago Camacho
- Gastroenterology Service U-107, Endoscopy Uni, Experimental Medicine and Motility Unit, Mexico City General Hospital, México, DF, Mexico
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20
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Mönnikes H, Heading RC, Schmitt H, Doerfler H. Influence of irritable bowel syndrome on treatment outcome in gastroesophageal reflux disease. World J Gastroenterol 2011; 17:3235-41. [PMID: 21912473 PMCID: PMC3158400 DOI: 10.3748/wjg.v17.i27.3235] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Revised: 02/12/2011] [Accepted: 02/19/2011] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the influence of irritable bowel syndrome (IBS)-like symptoms on treatment outcomes with pantoprazole in gastroesophageal reflux disease (GERD) in a real life setting.
METHODS: For this prospective, open-label, multinational, multicentre study, 1888 patients assessed by the investigators as suffering from GERD were recruited. The patients were additionally classified as with or without IBS-like symptoms at baseline. They were treated with pantoprazole 40 mg once daily and completed the Reflux Questionnaire™ (ReQuest™) short version daily. Response rates and symptom scores were compared after 4 and 8 wk of treatment for subgroups defined by the subclasses of GERD [erosive (ERD) and non-erosive reflux disease (NERD)] and the presence of IBS-like symptoms.
RESULTS: IBS-like symptoms were more prevalent in NERD than in ERD (18.3% vs 12.7%, P = 0.0015). Response rates after 4 and/or 8 wk of treatment were lower in patients with IBS-like symptoms than in patients without IBS-like symptoms in both ERD (Week 4: P < 0.0001, Week 8: P < 0.0339) and NERD (Week 8: P = 0.0088). At baseline, ReQuest™“lower abdominal complaints” symptom scores were highest in NERD patients with IBS-like symptoms. Additionally, these patients had the strongest symptom improvement after treatment compared with all other subgroups.
CONCLUSION: IBS-like symptoms influence treatment outcome and symptom burden in GERD and should be considered in management. Proton pump inhibitors can improve IBS-like symptoms, particularly in NERD.
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Heading RC, Mönnikes H, Tholen A, Schmitt H. Prediction of response to PPI therapy and factors influencing treatment outcome in patients with GORD: a prospective pragmatic trial using pantoprazole. BMC Gastroenterol 2011; 11:52. [PMID: 21569313 PMCID: PMC3103451 DOI: 10.1186/1471-230x-11-52] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2010] [Accepted: 05/11/2011] [Indexed: 02/06/2023] Open
Abstract
Background Management of patients with gastro-oesophageal reflux disease (GORD) can be assisted by information predicting the likely response to proton pump inhibitor (PPI) treatment. The aim was to undertake a study of GORD patients designed to approximate ordinary clinical practice that would identify patient characteristics predicting symptomatic response to pantoprazole treatment. Methods 1888 patients with symptoms of GORD were enrolled in a multicentre, multinational, prospective, open study of 8 weeks pantoprazole treatment, 40 mg daily. Response was assessed by using the ReQuest™ questionnaire, by the investigator making conventional clinical enquiry and by asking patients about their satisfaction with symptom control. Factors including pre-treatment oesophagitis, gender, age, body mass index (BMI), Helicobacter pylori status, anxiety and depression, and concurrent IBS symptoms were examined using logistic regression to determine if they were related to response, judged from the ReQuest™-GI score. Results Poorer treatment responses were associated with non-erosive reflux disease, female gender, lower BMI, anxiety and concurrent irritable bowel syndrome symptoms before treatment. No association was found with age, Helicobacter pylori status or oesophagitis grade. Some reflux-related symptoms were still present in 14% of patients who declared themselves 'well-satisfied' with their symptom control. Conclusions Some readily identifiable features help to predict symptomatic responses to a PPI and consequently may help in managing patient expectation. ClinicalTrial.gov identifier: NCT00312806.
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22
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Mouli VP, Ahuja V. Questionnaire based gastroesophageal reflux disease (GERD) assessment scales. Indian J Gastroenterol 2011; 30:108-17. [PMID: 21785994 DOI: 10.1007/s12664-011-0105-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2010] [Accepted: 06/15/2011] [Indexed: 02/04/2023]
Abstract
Questionnaire based assessment scales for gastroesophageal reflux disease (GERD) have been utilized for assessment of the patient's symptomatology, assessment of symptom severity and frequency, assessment of health-related quality of life and for assessment of response to treatment. A multitude of unidimensional and multidimensional questionnaires exist for making symptom assessment and monitoring quality of life in GERD. Many of the scales meet some of the parameters of an ideal evaluative GERD specific assessment instrument. Yet, there are certain shortcomings and challenges which are faced in development of GERD questionnaires. This review discusses the features of an ideal symptom assessment instrument, examines the strengths and weaknesses of currently available questionnaires.
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Affiliation(s)
- V Pratap Mouli
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi 110 029, India
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Netinatsunton N, Attasaranya S, Ovartlarnporn B, Sangnil S, Boonviriya S, Piratvisuth T. The value of Carlsson-dent questionnaire in diagnosis of gastroesophageal reflux disease in area with low prevalence of gastroesophageal reflux disease. J Neurogastroenterol Motil 2011; 17:164-8. [PMID: 21602993 PMCID: PMC3093008 DOI: 10.5056/jnm.2011.17.2.164] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2011] [Revised: 02/06/2011] [Accepted: 02/28/2011] [Indexed: 12/29/2022] Open
Abstract
Background/Aims Symptom-based diagnosis for gastroesophageal reflux disease (GERD) has been accepted in the population with high prevalence. Carlsson-Dent questionnaire (CDQ) is a standardized symptom-based diagnosis tool for GERD. The value of this tool in the population with low prevalence is unknown. The aim of this study was to determine CDQ performance for diagnosis of GERD in Thai population with low prevalence versus endoscopy or 24 hour pH monitoring. Methods Patients with dyspepsia by Rome II criteria were recruited. All patients completed a Thai version of CDQ and underwent endoscopic examination. Those without esophagitis or peptic ulcer and positive CDQ score took pH monitoring. Results One hundred patients (68 female) with mean age ± SD of 45.6 ± 12.4 years were recruited. Six with Los Angeles grade A esophagitis had negative CDQ score. In 44 with positive CDQ score, 3 had Los Angeles grade B esophagitis and 41 had pH monitoring done with 8 having positive test. The GERD diagnosis by CDQ was confirmed in 11 of 44 patients (25%). CDQ detected 11 out of 17 GERD detected by endoscopy and pH monitoring and the sensitivity of CDQ was 64%. Conclusions CDQ diagnosed more GERD in Thai population with low prevalence compared with endoscopy and pH monitoring. This may be due to some patients with functional heartburn were picked up by CDQ and some patients with GERD were not detected by endoscopy and pH monitoring.
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Affiliation(s)
- Nisa Netinatsunton
- NKC Institute of Gastroenterology and Hepatology, Songklanagarind Hospital, Faculty of Medicine, Prince of Songkla University, Hatyai, Songkhla, Thailand
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Kakuta E, Yamashita N, Katsube T, Kushiyama Y, Suetsugu H, Furuta K, Kinoshita Y. Abdominal symptom-related QOL in individuals visiting an outpatient clinic and those attending an annual health check. Intern Med 2011; 50:1517-22. [PMID: 21804275 DOI: 10.2169/internalmedicine.50.5390] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE Quality of life (QOL) impairment of patients who visit an outpatient clinic for abdominal symptoms has not been clarified. We investigated symptom-related QOL impairment that led patients to seek medical care. PATIENTS AND METHODS Abdominal symptom-related QOL was determined using the Izumo scale instrument in 172 patients who visited a clinic for their abdominal symptoms and in 961 healthy subjects who attended an annual health check. RESULTS QOL was more strongly impaired in the patients with abdominal symptoms than in subjects who attended health checks. Patients with heartburn consulted physicians even when QOL impairment was minimal, while those with epigastric fullness tended to consult a physician only when QOL impairment was significant. CONCLUSION Abdominal symptom-related QOL impairment is considered to lead patients to seek medical care, though different symptoms have varying levels of influence.
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Affiliation(s)
- Erina Kakuta
- Department of Gastroenterology, Matsue Red Cross Hospital, Japan
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Laine L, Katz PO, Johnson DA, Ibegbu I, Goldstein MJ, Chou C, Rossiter G, Lu Y. Randomised clinical trial: a novel rabeprazole extended release 50 mg formulation vs. esomeprazole 40 mg in healing of moderate-to-severe erosive oesophagitis - the results of two double-blind studies. Aliment Pharmacol Ther 2011; 33:203-12. [PMID: 21114792 DOI: 10.1111/j.1365-2036.2010.04516.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Current PPIs may not achieve desired outcomes in some GERD patients due to limited duration of acid inhibition. AIM To evaluate a novel rabeprazole extended release (ER), which provides longer duration of drug exposure and acid suppression, in healing and symptomatic resolution of moderate-severe erosive oesophagitis. METHODS Patients with LA grade C or D oesophagitis were randomised to rabeprazole-ER 50 mg or esomeprazole 40 mg once daily in two identical 8-week double-blind trials (N = 2130). Two primary endpoints were tested sequentially: (1) healing by 8 weeks [hypothesis: rabeprazole-ER non-inferior to esomeprazole (non-inferiority margin = 8%)], (2) healing by 4 weeks [hypothesis: rabeprazole-ER superior to esomeprazole (P < 0.05)]. The secondary endpoint was sustained heartburn resolution at 4 weeks. RESULTS Rabeprazole-ER was non-inferior to esomeprazole in week-8 healing (80.0% vs. 75.0%; 77.5% vs. 78.4%). Week-4 healing (54.8% vs. 50.3%; 50.9% vs. 50.7%) and sustained heartburn resolution (48.3% vs. 48.2%; 53.2% vs. 52.5%) were not significantly different. Post hoc combined results for grade D revealed rabeprazole-ER vs. esomeprazole differences in week-8 healing = 10.4% (95% CI: -1.4%, 22.2%) and week-4 healing = 12.0% (P = 0.048). CONCLUSIONS Rabeprazole-ER is as effective as esomeprazole in healing moderate-severe oesophagitis and achieves similar rates of heartburn resolution. Subgroup analysis suggests the possibility of benefit in severe oesophagitis, but this requires further evaluation (ClinicalTrials.gov: NCT00658528 and NCT00658775).
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Affiliation(s)
- L Laine
- University of Southern California, Los Angeles, 90033, USA.
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Pace F, Riegler G, de Leone A, Pace M, Cestari R, Dominici P, Grossi E. Is it possible to clinically differentiate erosive from nonerosive reflux disease patients? A study using an artificial neural networks-assisted algorithm. Eur J Gastroenterol Hepatol 2010; 22:1163-8. [PMID: 20526203 DOI: 10.1097/meg.0b013e32833a88b8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND The use of either symptom questionnaires or artificial neural networks (ANNs) has proven to improve the accuracy in diagnosing gastroesophageal reflux disease (GERD). However, the differentiation between the erosive and nonerosive reflux disease based upon symptoms at presentation still remains inconclusive. AIM To assess the capability of a combined approach, that is, the use of a novel GERD questionnaire - the QUestionario Italiano Diagnostico (QUID) questionnaire - and of an ANNs-assisted algorithm, to discriminate between nonerosive gastroesophageal reflux disease (NERD) and erosive esophagitis (EE) patients. METHODS Five hundred and fifty-seven adult outpatients with typical GERD symptoms and 94 asymptomatic adult patients, were submitted to the QUID questionnaire. GERD patients were then submitted to upper gastrointestinal endoscopy to differentiate them between EE and NERD patients. RESULTS The QUID score resulted significantly (P<0.001) higher in GERD patients versus controls, but it was not statistically significantly different between EE and NERD patients. ANNs assisted diagnosis had greater specificity, sensitivity and accuracy compared with the linear discriminant analysis only to differentiate GERD patients from controls. However, no single technique was able to satisfactorily discriminate between EE and NERD patients. CONCLUSION Our study suggests that the combination between QUID questionnaire and an ANNs-assisted algorithm is useful only to differentiate GERD patients from healthy individuals but fails to further discriminate erosive from nonerosive patients.
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Affiliation(s)
- Fabio Pace
- Division of Gastroenterology, Department of Clinical Sciences, L. Sacco University Hospital, Milano, Italy.
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Frequency scale for symptoms of gastroesophageal reflux disease questionnaire predicts requirement of proton pump inhibitor maintenance therapy. Esophagus 2010. [DOI: 10.1007/s10388-010-0245-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/16/2023]
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Comparison of a composite symptom score assessing both symptom frequency and severity with a score that assesses frequency alone: a preliminary study to develop a practical symptom score to detect gastro-oesophageal reflux disease in a resource-poor setting. Eur J Gastroenterol Hepatol 2010; 22:662-8. [PMID: 19491697 DOI: 10.1097/meg.0b013e32832cfe12] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND There is a need for a practical instrument to screen for gastro-oesophageal reflux disease (GORD) in epidemiological studies. OBJECTIVES To develop a practical score to detect GORD and compare assessment of both symptom frequency and severity with frequency alone. METHODS One hundred patients with upper gastrointestinal symptoms and 150 volunteers with no such past history faced an interviewer-administered questionnaire assessing seven symptoms, graded for frequency and severity. Two scores were generated. Score 1, the sum of frequency of symptoms and score 2, the sum of products of frequency and severity of each. Internal consistency, test-retest reliability and criterion validity against 24-h pH monitoring were assessed. Cut-off scores were generated by receiver operating characteristic curves using scores of half the volunteers and patients selected randomly and validated on the other half. RESULTS Cut-off scores and area under the curve for score 1 were >/=10.5 and 0.93, and score 2 were >/=12.5 and 0.93, respectively. The sensitivity and specificity of diagnosing the disease in the remaining participants using score 1 was 89.7 and 92.4% and score 2 was 93.8 and 94.0%, respectively. The instrument had good internal consistency (Cronbach alpha = 0.73) and reliability (intraclass correlation coefficient of scores 1 and 2 were 0.94 and 0.95, respectively). Score 2 showed better correlation with 24-h pH monitoring parameters (Spearman's rank correlation, P = 0.01). CONCLUSION Our score is valid, reliable and can detect GORD with high sensitivity and specificity. A score assessing both frequency and severity of symptoms correlates better to an objective measure of GORD.
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Oh JH. [Health-related quality of life issues in gastroesophageal reflux disease]. THE KOREAN JOURNAL OF GASTROENTEROLOGY = TAEHAN SOHWAGI HAKHOE CHI 2010; 55:85-93. [PMID: 20168054 DOI: 10.4166/kjg.2010.55.2.85] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Several studies have reported significant Health-Related Quality of life (HRQOL) impairment in gastroesophageal reflux disease (GERD) patients compared with the general population. The evaluation of quality of life is important as a parameter for the treatment. Because GERD has diverse symptoms such as esophageal and extraesophageal syndromes, HRQOL of GERD should be determined by both disease and non-disease related factors. The purpose is to overview the HRQOL instruments used in the evaluation of GERD, published reports regarding HRQOL in GERD, and the effects of medical treatments on GERD.
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Affiliation(s)
- Jung Hwan Oh
- Department of Internal Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea.
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Miyamoto M, Manabe N, Haruma K. Efficacy of the addition of prokinetics for proton pump inhibitor (PPI) resistant non-erosive reflux disease (NERD) patients: significance of frequency scale for the symptom of GERD (FSSG) on decision of treatment strategy. Intern Med 2010; 49:1469-76. [PMID: 20686276 DOI: 10.2169/internalmedicine.49.3615] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Non-erosive reflux disease (NERD) is a more difficult to treat than reflux esophagitis (RE) due to the high prevalence of PPI resistance. Consequently, the treatment strategy for NERD is yet to be established. PATIENTS AND METHODS Subjects were 467 GERD patients (NERD 349, RE 118, 47.4 +/- 16.7 years) with reflux symptoms such as heartburn. PPI was administered for 2 weeks, and total score (TS) of symptoms, seven items of reflux symptoms e.g. heartburn (reflux score: RS), and five items of dyspeptic symptoms e.g. heavy stomach (dyspeptic score: DS) were assessed using the frequency scale for the symptoms of GERD (FSSG), a GERD-specific questionnaire developed in Japan. Improvement <50% in TS was defined as non-responder. Patients' background, and pretreatment TS, RS, DS, and 12 items of FSSG were assessed. Furthermore, the effect of additional prokinetics (4 weeks) for 117 PPI non-response NERD patients was also examined. RESULTS Younger age, constipation, higher TS, DS, F2 (bloated stomach), 3 (heavy stomach), 5 (sick feeling after meal), 8 (satiety during meal) in FSSG were factors to be PPI non-responders in NERD. Significant improvement in TS were observed (pretreatment: 17.4 +/- 7.7 vs. 2 weeks 14.6 +/- 6.0 vs. 6 weeks 7.7 +/- 5.2, p<0.0001) after the addition of prokinetics in PPI non-response NERD. CONCLUSION Younger age, constipation, dysmotility were factors of PPI non-response in NERD. As high DS is correlated with PPI non-response, it is indicated that patients with strong dysmotility and functional dyspepsia complication might be PPI resistant. The efficacy of additional prokinetics for PPI non-response NERD was observed.
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Affiliation(s)
- Masaki Miyamoto
- Department of General Internal Medicine, Prefectural Hiroshima Hospital, Hiroshima.
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Hongo M, Kinoshita Y, Miwa H, Ashida K. Characteristics affecting health-related quality of life (HRQOL) in Japanese patients with reflux oesophagitis and the effect of lansoprazole on HRQOL. J Med Econ 2009; 12:182-91. [PMID: 19691444 DOI: 10.3111/13696990903227739] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVES A survey of health-related quality of life (HRQOL) in the Japanese general population has suggested that HRQOL is affected by sex and age. We investigated whether there is any effect of baseline patients' characteristics on HRQOL of patients with reflux oesophagitis (RE), and its changes with lansoprazole (LPZ) treatment. RESEARCH DESIGN AND METHODS This was a post hoc analysis of an open-label, multicentre, post-marketing, observational study which investigated the effect of LPZ (15 or 30 mg/day for 8 weeks) on HRQOL in patients with RE. At baseline, and after 4 and 8 weeks of treatment, HRQOL was assessed using a Japanese version of the 8-item Short-Form Health Survey (SF-8) and a newly-developed RE-specific questionnaire (RESQ). Stratified analysis of changes in HRQOL scores according to baseline patient characteristics such as sex, age and baseline severity of typical RE symptoms was performed. RESULTS A total of 8,757 patients were included in the efficacy analysis. At baseline, physical component summary scores from the SF-8 were lower in older patients (>/=60 years) than in younger patients (<60 years), and mental component summary scores were lower in younger patients than in older patients. These scores significantly improved after LPZ treatment regardless of sex and age. HRQOL scores were lower in patients with more severe typical RE symptoms at baseline. After LPZ treatment, HRQOL scores significantly improved to similar levels irrespective of the severity of the typical RE symptom at baseline. CONCLUSIONS This post hoc analysis suggests that sex, age and severity of typical RE symptoms affect HRQOL in patients with RE in Japan, and such factors do not affect the improvement of HRQOL with LPZ treatment. The present study suggests a positive impact of LPZ; however, it is difficult to estimate the degree of improvement in HRQOL that may have arisen from symptomatic relief as part of the natural history of the disease from the study. Our results may overestimate the efficacy of LPZ. Further well-controlled clinical studies are needed to confirm the efficacy of LPZ on HRQOL in patients with RE.
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Affiliation(s)
- Michio Hongo
- Department of Comprehensive Medicine, Tohoku University Hospital, Sendai, Japan.
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Sifrim D, Blondeau K, Mantillla L. Utility of non-endoscopic investigations in the practical management of oesophageal disorders. Best Pract Res Clin Gastroenterol 2009; 23:369-86. [PMID: 19505665 DOI: 10.1016/j.bpg.2009.03.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The current available methods for diagnosis of GORD are symptom questionnaires, catheter and wireless pH-metry, impedance-pH monitoring and Bilitec(@). Osophageal pH monitoring allows both quantitative analysis of acid reflux and assessment of reflux-symptom association. Impedance-pH monitoring detects all types of reflux (acid and non-acid) and allows assessment of proximal extent of reflux, a relevant parameter for understanding symptoms perception and extraoesophageal symptoms. Bilitec provides a quantitative assessment of duodeno-gastro-oesophageal reflux. Oesophageal motor abnormalities have been associated with GORD symptoms as well as chest pain and dysphagia. High-resolution manometry contributed to re-classify oesphageal motor disorders. However, barium swallows are still essential for evaluation of oesophageal anatomy and combined oesophageal manometry-impedance can assess oesophageal motility and bolus transit simultaneously in a non-radiological way. Still in experimental phase, high-frequency ultrasound allows monitoring of the oesophageal wall thickness and exaggerated longitudinal muscle contraction that might be associated to chest pain and dysphagia. This chapter provides a critical evaluation of the clinical application of these techniques.
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Affiliation(s)
- Daniel Sifrim
- Center for Gastroenterological Research, Catholic University of Leuven, Belgium.
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Abstract
About half of patients with gastroesophageal reflux disease (GERD) have a normal endoscopy, so symptom assessment is the only appropriate outcome measure for these persons. Symptom assessment is also of great importance in persons with erosive esophagitis. There is currently no fully validated questionnaire to compare symptom response to treatment of patients with GERD. The aim of this review is to consider ReQuest™ assessment tool to evaluate esophageal, supra-esophageal, and infra-esophageal symptoms, as well as any modification of the patient’s quality of life. The ReQuest™ may be combined with the Los Angeles classification of esophagitis (LA A–D), to include the normal endoscopic finding in normal endoscopy reflux disease. The ReQuest™ score declines rapidly towards normal with patient treatment with a proton pump inhibitor. A proportion of patients need more than the usual 8 weeks of therapy. For example, in GERD patients with Los Angeles B–D, the ReQuest™ score falls more with pantoprazole 40 mg than with esomoprazole 40 mg after 12 weeks of therapy. Now that the simplified ReQuest in Practice™ is available, this validated brief questionnaire has potential as an instrument for use in GERD patients seen in everyday clinical practice.
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Affiliation(s)
- Abr Thomson
- Division of Internal Medicine, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada.
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The Italian validation of the Montreal Global definition and classification of gastroesophageal reflux disease. Eur J Gastroenterol Hepatol 2009; 21:394-408. [PMID: 19262401 DOI: 10.1097/meg.0b013e32830a70e2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS Recently, a Global definition and a classification of gastroesophageal reflux disease (GERD) were developed by Montreal Consensus Group, composed of international expert gastroenterologists. Guidelines and consensus documents are, however, infrequently accepted and adopted at a local level. The aim of this study was to measure the acceptance of Montreal Global definition of GERD consensus document by specialists in a single country (Italy) and to measure the linguistic, scientific, and practical differences between the international consensus document and the Italian version. METHODS A 2-day meeting was held in June 2007 in Rome, Italy, attended by 147 Italian physicians who were experts in gastroenterology. They reviewed the individual original statements in their Italian translation and then voted on the statement using the scoring system used by the Montreal Consensus Group (6-point Likert scale). Voting was performed at baseline and after an analytical discussion on each statement, led by six internationally renowned experts. Consensus was defined as an agreement with a statement by at least two-thirds of the group. Results were compared with the Montreal statements. RESULTS AND DISCUSSION The level of consensus was already extremely high at the first vote (>90% with the two-thirds threshold). The level of agreement at the second vote increased slightly. The maximum variation between two votes was 33% (of increase from first to second round, 59-92%). The high level of agreement could be because of both the general acceptance of Montreal Consensus by scientific community, and the new scientific evidences published after the Montreal report, which fit with the original statements. CONCLUSION This study is the first national linguistic validation of the Montreal Global definition of GERD and is also proof of its scientific validity, based on the same methodology used to create the Montreal statements. It also suggests that evidence-based International disease classification systems can be applied to local settings after validation by local experts.
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Danjo A, Yamaguchi K, Fujimoto K, Saitoh T, Inamori M, Ando T, Shimatani T, Adachi K, Kinjo F, Kuribayashi S, Mitsufuji S, Fujiwara Y, Koyama S, Akiyama J, Takagi A, Manabe N, Miwa H, Shimoyama Y, Kusano M. Comparison of endoscopic findings with symptom assessment systems (FSSG and QUEST) for gastroesophageal reflux disease in Japanese centres. J Gastroenterol Hepatol 2009; 24:633-8. [PMID: 19220681 DOI: 10.1111/j.1440-1746.2008.05747.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND AND AIM We compared endoscopic findings of the frequency scale for the symptoms of gastroesophageal reflux disease (FSSG), a written questionnaire developed in Japan, to that for the questionnaire for the diagnosis of reflux esophagitis (QUEST) for the diagnosis of reflux esophagitis. METHODS We registered 475 patients with untreated symptoms of upper abdominal pain (male/female: 252/223, average age 52.4 +/- 17.8 years). Subjects were assessed first with the FSSG and QUEST questionnaires, then by endoscopy, before allocation to a gastric ulcer (GU), duodenal ulcer (DU), gastroesophageal reflux disease (GERD) or functional dyspepsia (FD) group. RESULTS On the basis of the endoscopic findings the diagnoses for the 475 subjects were as follows: FD 52.2%, DU 7.6%, GU 7.8%, and GERD 32.4% (Grade M 10.1%, Grade A + B 20.2%, Grade C + D 2.3%). There was no difference between the FSSG and QUEST in sensitivity, specificity or accuracy for any condition. The FSSG score rose with increasing endoscopic severity of GERD, but there was no correlation between the QUEST score and endoscopic severity. The FSSG total score was inferior to QUEST in terms of distinguishing GERD from other conditions, but when only the questions relating to reflux symptoms were used, the FSSG was able to distinguish GERD from other conditions as well as QUEST. CONCLUSIONS The FSSG score reflects the severity of the endoscopic findings of GERD.
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Affiliation(s)
- Akiko Danjo
- Department of Internal Medicine, Saga Medical School, Saga 849-8501, Japan
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Mokkink LB, Terwee CB, Stratford PW, Alonso J, Patrick DL, Riphagen I, Knol DL, Bouter LM, de Vet HCW. Evaluation of the methodological quality of systematic reviews of health status measurement instruments. Qual Life Res 2009; 18:313-33. [PMID: 19238586 DOI: 10.1007/s11136-009-9451-9] [Citation(s) in RCA: 126] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2008] [Accepted: 01/29/2009] [Indexed: 12/13/2022]
Abstract
A systematic review of measurement properties of health-status instruments is a tool for evaluating the quality of instruments. Our aim was to appraise the quality of the review process, to describe how authors assess the methodological quality of primary studies of measurement properties, and to describe how authors evaluate results of the studies. Literature searches were performed in three databases. One hundred and forty-eight reviews were included. The purpose of included reviews was to identify health status instruments used in an evaluative application and to report on the measurement properties of these instruments. Two independent reviewers selected the articles and extracted the data. Reviews were often of low quality: 22% of the reviews used one database, the search strategy was often poorly described, and in many cases it was not reported whether article selection (75%) and data extraction (71%) was done by two independent reviewers. In 11 reviews the methodological quality of the primary studies was evaluated for all measurement properties, and of these 11 reviews only 7 evaluated the results. Methods to evaluate the quality of the primary studies and the results differed widely. The poor quality of reviews hampers evidence-based selection of instruments. Guidelines for conducting and reporting systematic reviews of measurement properties should be developed.
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Affiliation(s)
- Lidwine B Mokkink
- Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research, VU University Medical Center, Van der Boechorststraat 7, 1081 BT, Amsterdam, The Netherlands.
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The demographic characteristics and health-related quality of life in a large cohort of reflux esophagitis patients in Japan with reference to the effect of lansoprazole: the REQUEST study. J Gastroenterol 2009; 43:920-7. [PMID: 19107335 DOI: 10.1007/s00535-008-2257-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2007] [Accepted: 07/09/2008] [Indexed: 02/04/2023]
Abstract
BACKGROUND Patients with reflux esophagitis (RE) in Western countries have impaired health-related quality of life (HRQOL). However, few data are available concerning HRQOL in Asian patients with RE. AIM To determine the demographic characteristics, HRQOL, and the impact of lansoprazole treatment in a large cohort of RE patients in Japan. METHODS Patients with RE were enrolled. Lansoprazole was administered for 8 weeks and HRQOL assessed using the SF-8 and a newly developed questionnaire for RE-specific HRQOL (RESQ) at baseline and after 4 and 8 weeks of treatment. RESULTS Among enrolled patients, 2320 patients with the Los Angeles classification grade A to D esophagitis at enrollment to the study were analyzed. A higher proportion of older women was observed (in the group of patients aged >or=60 years, 61.3% were women). Prevalence of obesity was 4.7%. At baseline, HRQOL scores of RE patients were well below the mean for the Japanese general population in all domains of the SF-8. After 8 weeks of treatment with lansoprazole, these scores significantly improved to the levels of the general population (P < 0.01). Scores of RESQ also significantly improved (P < 0.01). CONCLUSIONS Demographically, RE patients in Japan differ from those in Western countries with an increased proportion in older women and lower prevalence of obesity. RE has a marked negative impact on HRQOL, which is significantly improved by treatment with lansoprazole.
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Torres-Quevedo R, Manterola C, Sanhueza A, Bustos L, Pineda V, Vial M. Diagnostic properties of a symptoms scale for diagnosing reflux esophagitis. J Clin Epidemiol 2009; 62:97-101. [DOI: 10.1016/j.jclinepi.2008.03.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2006] [Revised: 01/13/2008] [Accepted: 03/10/2008] [Indexed: 02/03/2023]
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Abstract
Histology in reflux disease is still regarded as having low sensitivity and specificity. During the last three decades several histological parameters have been developed, including thickness of basal cell layer, length of epithelial papillae, intraepithelial inflammatory cells and dilation of intercellular spaces. Unfortunately classification of these parameters was often not related to the clinical symptoms of the reflux affected individuals, proper control subjects were often missing and often no interobserver variation was given. Another reason for the proposed low value of biopsies is the fact that biopsies were often taken in a non-standardised way. Recent studies point towards an area of predominantly epithelial damage close to the lesser curvature or around the right oesophageal wall. In parallel, some large, careful studies carried out recently showed a good correlation with the clinical picture of reflux disease due to a standardised biopsy protocol and proper controls. But biopsies are not recommended in all routine classical cases of reflux disease since it is believed that little further information in addition to endoscopy can be obtained. However, histology can deliver much more information than the diagnosis of reflux induced lesions (e.g. the exclusion of malignancy or other oesophageal diseases).
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Affiliation(s)
- Michael Vieth
- Institute of Pathology, Klinikum Bayreuth, Preuschwitzer Strasse 101, 95445 Bayreuth, Germany.
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Dent J, Kahrilas PJ, Vakil N, Van Zanten SV, Bytzer P, Delaney B, Haruma K, Hatlebakk J, McColl E, Moayyedi P, Stanghellini V, Tack J, Vaezi M. Clinical trial design in adult reflux disease: a methodological workshop. Aliment Pharmacol Ther 2008; 28:107-26. [PMID: 18384662 DOI: 10.1111/j.1365-2036.2008.03700.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND The development of well-tolerated acid suppressant drugs has stimulated substantial growth in the number of trials assessing therapy options for gastro-oesophageal reflux disease (GERD). AIM To develop consensus statements to inform clinical trial design in adult patients with GERD. METHODS Draft statements were developed employing a systematic literature review. A modified Delphi process including three rounds of voting was used to reach consensus. Between voting, statements were revised based on feedback from the Working Group and additional literature reviews. The final vote was at a face-to-face meeting that included discussion time. Voting was conducted using a six-point scale. RESULTS At the last vote, 93% of the final 102 statements achieved consensus (defined a priori as being supported by >or=75% of the votes). The Working Group strongly supported the development of validated patient-reported outcome instruments. Symptom assessments carried out by the investigator were considered unacceptable. There was agreement that exclusion from clinical trials should be minimized to improve generalizability, that prospective evaluation ideally requires electronic timed/dated methods and that endoscopists should be blinded to patient symptom status. CONCLUSIONS Implementation of the consensus statements will improve the quality and comparability of trials, and make them compatible with regulatory requirements.
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Affiliation(s)
- J Dent
- Department of Gastroenterology and Hepatology, University of Adelaide, Adelaide, SA, Australia.
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van Rensburg C, Berghöfer P, Enns R, Dattani ID, Maritz JF, Gonzalez Carro P, Fischer R, Schwan T. Efficacy and safety of pantoprazole 20 mg once daily treatment in patients with ulcer-like functional dyspepsia. Curr Med Res Opin 2008; 24:2009-18. [PMID: 18534050 DOI: 10.1185/03007990802184545] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
OBJECTIVE To investigate the efficacy of pantoprazole 20 mg once daily (o.d.) in relieving epigastric pain associated with ulcer-like functional dyspepsia. RESEARCH DESIGN AND METHODS In this double-blind, placebo-controlled, multicentre study, patients experiencing ulcer-like functional dyspepsia, with epigastric pain as the predominant symptom, were randomised to receive pantoprazole 20 mg or placebo o.d. for 28 days. Primary endpoint was the complete relief (i.e. absence) from epigastric pain after 28 days' treatment. The odds ratio (OR) for pantoprazole/placebo and its 95% confidence intervals (CIs) were determined. Significant superiority of pantoprazole was concluded if the value 1.0 was above this interval. RESULTS Of 419 patients (intention-to-treat [ITT]) randomised to treatment, 207 received pantoprazole and 212 received placebo. Epigastric pain relief was achieved after 28 days' treatment in 55% of pantoprazole recipients and 45% of placebo recipients (per-protocol [PP]: 58% and 47%, respectively). Pantoprazole demonstrated statistically significant superiority compared with placebo in the ITT (OR: 0.68; 95% CI: 0.46-0.99) and PP populations (OR: 0.64; 95% CI: 0.42-0.98). Pantoprazole was more efficacious than placebo in relieving heartburn and acid regurgitation after 7, 14 and 28 days of treatment. The sum score of gastrointestinal symptoms after 28 days was statistically significantly lower in the pantoprazole than placebo group. Fewer patients receiving concomitant psychotropic medication experienced relief from epigastric pain than those not receiving such medication. Adverse events did not significantly differ between pantoprazole and placebo. CONCLUSIONS Results of this study suggest that pantoprazole 20 mg is more efficacious than placebo, and is a well-tolerated treatment for relieving epigastric pain in patients with ulcer-like functional dyspepsia. Further research is needed to confirm these findings.
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Chassany O, Holtmann G, Malagelada J, Gebauer U, Doerfler H, Devault K. Systematic review: health-related quality of life (HRQOL) questionnaires in gastro-oesophageal reflux disease. Aliment Pharmacol Ther 2008; 27:1053-70. [PMID: 18363898 DOI: 10.1111/j.1365-2036.2008.03683.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Although gastro-oesophageal reflux disease (GERD) has a well-established pathophysiology, the impact of GERD symptoms on the patients' quality of life can be profound. Therefore, health-related quality of life (HRQOL) questionnaires have become standard instruments to evaluate the effect of treatment in clinical trials. AIM To evaluate the reliability, validity and responsiveness of available GERD-specific HRQOL. METHODS A systematic literature search using the Medical Subject Headings terms: 'Gastro-oesophageal reflux', 'Heartburn' and 'Oesophagitis' with 'quality of life' and 'questionnaires' was preformed to identify the available HRQOL questionnaires. To analyse the psychometric properties of the respective tools, the actual guidelines for the use of patient-reported outcomes in clinical trials were applied. RESULTS We identified five GERD-specific HRQOL questionnaires but none of them fulfilled all quality criteria; either they did not meet the actual standards for psychometric properties (HBQOL, GERD-HRQL, Jasani et al.Aust Fam Physician 1999; 28: 515), or were impracticable to use in clinical trials. The generic and hybrid instruments lack specificity and sensitivity and were not designed for treatment evaluation in GERD patients. CONCLUSION There is need for a new evaluative tool in the assessment of HRQOL during GERD therapy.
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Affiliation(s)
- O Chassany
- Département de Recherche Clinique et du développement, Assistance Publique - Hôpitaux de Paris, Hôpital Saint-Louis, Paris, France.
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Abstract
The evaluation of the success of therapy for gastroesophageal reflux disease (GERD) has thus far been primarily on the basis of the endoscopic evaluation of the ability of drugs to heal esophageal mucosal breaks and to a lesser extent on their ability to decrease the diverse symptoms of acid reflux. However, because most patients with GERD have no visible esophageal lesions using conventional endoscopic methods, this paradigm requires serious reconsideration. As patients with nonerosive reflux disease (NERD) are just as symptomatic as patients with erosions and are no easier to treat the use of endoscopic end points alone, as criteria for determining healing and efficacy of therapy requires reassessment. In addition, the symptoms of GERD are now appreciated to be broad-based, including many extraesophageal symptoms that contribute to the marked reduction in quality of life for GERD patients. For this reason, and because endoscopic criteria cannot be applied to evaluating therapy in NERD, the success of GERD therapy should be judged primarily in terms of diminishment of GERD-related symptoms--a return to the traditional way that patients judge therapeutic success. To objectively determine the success of therapy in GERD, multisymptom GERD questionnaires have been developed. The most promising are those that reflect the numerous types of GERD symptoms, are patient-administered, quantitative, responsive, and have been validated in both NERD and erosive GERD patients. The ReQuest instrument is especially attractive as it records the entire range of GERD symptoms on a daily basis (including also their frequency and intensity) and is responsive to changes with time and with therapy. Symptom-based evaluative tools should greatly aid the objective evaluation of GERD symptoms, monitor precisely how patients respond to therapy and thereby lead to improvements in GERD management.
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Miyamoto M, Haruma K, Takeuchi K, Kuwabara M. Frequency scale for symptoms of gastroesophageal reflux disease predicts the need for addition of prokinetics to proton pump inhibitor therapy. J Gastroenterol Hepatol 2008; 23:746-51. [PMID: 18028348 DOI: 10.1111/j.1440-1746.2007.05218.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIM Proton pump inhibitor (PPI) monotherapy cannot cure all cases of gastroesophageal reflux disease (GERD), and combination therapy with prokinetics and PPI achieves symptomatic improvement for some GERD patients. Few studies have been performed to predict the need for prokinetics. METHODS Subjects were 163 patients (64 male, mean age 53.1 +/- 16.6 years) with GERD symptoms. They were evaluated using the frequency scale for the symptoms of GERD (FSSG), a GERD-specific questionnaire developed in Japan(1) and endoscopy. They were administered with rabeprazole 10 mg daily. At 12 and 24 weeks of treatment, subjects were offered a choice of four treatment regimens according to their degree of satisfaction (1, no need for further treatment; 2, opt for continued PPI treatment; 3, step-down to H2RA; 4, dissatisfied with present treatment, so opt for combination treatment with prokinetics, mosapride 5 mg tid). RESULTS The choice of treatment after 12 weeks of treatment placed 79.1% of subjects in the satisfied group (1, 21; 2, 98; 3, 10). After 24 weeks, 98.2% of subjects were in the satisfied group. Pretreatment FSSG scores were significantly higher in the dissatisfied group (4, 17.4 +/- 1.4) than in the satisfied group (1, 12.3 +/- 1.3; 2, 12.8 +/- 0.8; 3, 10.2 +/- 1.8) (P < 0.05). CONCLUSIONS The satisfaction rate with these treatment regimens was 98.2% at 24 weeks, suggesting that combination therapy with prokinetics was effective for patients dissatisfied with PPI monotherapy. The FSSG is a useful predictor of the necessity for combination therapy.
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Affiliation(s)
- Masaki Miyamoto
- Department of General Internal Medicine, Prefectural Hiroshima Hospital, Hiroshima, Japan
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Pace F, Molteni P, Casini V, Pallotta S, Bianchi Porro G. Assessment of gastro-oesophageal reflux symptoms in Italian physicians -- a survey by Reflux Disease Questionnaire. Dig Liver Dis 2008; 40:235-9. [PMID: 18243076 DOI: 10.1016/j.dld.2007.11.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2007] [Revised: 11/27/2007] [Accepted: 11/27/2007] [Indexed: 02/09/2023]
Abstract
BACKGROUND The prevalence of gastro-oesophageal reflux disease symptoms in physicians, as compared to that of the general population, is not known. METHODS We submitted a validated Italian version of a simple questionnaire (Reflux Disease Questionnaire) to 490 physicians and 430 controls to assess: (i) the presence, frequency and severity of gastro-oesophageal reflux disease symptoms in the two populations; (ii) how the self-assessment of troublesome gastro-oesophageal reflux disease symptoms by physicians correlate with a pathological Reflux Disease Questionnaire, judged on the basis of a total Reflux Disease Questionnaire score >or=8. RESULTS A valid and complete questionnaire was obtained in 456/490 (93.1%) physicians and 367/430 (85.3%) controls. Between the two groups there were no differences in terms of total Reflux Disease Questionnaire score or individual items, with the only exception of "severity of burning feeling behind breastbone" which was significantly higher in the physician group. An excellent correlation was found between the self-assessment by physician and the total Reflux Disease Questionnaire score. CONCLUSIONS The prevalence of gastro-oesophageal reflux disease symptoms among Italian doctors is not different from that reported by a matched control group, and that their ability in self-assessing a troublesome gastro-oesophageal reflux disease is optimal.
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Affiliation(s)
- F Pace
- Chair and Division of Gastroenterology, Department of Clinical Sciences "L. Sacco", University of Milan, Milan, Italy.
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Validation of the reflux disease questionnaire for an Italian population of patients with gastroesophageal reflux disease. Eur J Gastroenterol Hepatol 2008; 20:187-90. [PMID: 18301298 DOI: 10.1097/meg.0b013e3282f246b2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND/AIMS The reflux disease questionnaire (RDQ) is a very simple questionnaire based on only 12 questions that can be answered and evaluated quickly in a primary care setting, which was already found to be valid and reliable in the diagnosis of gastroesophageal reflux disease (GERD). As an English and a German version of the RDQ exist, but not an Italian one, we aimed at translating the RDQ into Italian and evaluating its reliability for the use of Italian-speaking GERD patients. PATIENTS/METHODS For the purpose of linguistic validation, we translated backward and forward the original RDQ into Italian and again into English. For the purpose of assessing internal consistency, test-retest, and interrater reliability, 130 GERD patients were used, of whom 57 patients had an endoscopic oesophagitis of grade A to C according to the Los Angeles classification and 63 patients had uninvestigated GERD symptoms but with a frequency of heartburn and/or regurgitation at least twice a week. RESULTS After professional translation, the Italian RDQ was judged to retain fully the meaning of the original RDQ. Internal consistency, as judged by the (Cronbach's alpha) was satisfactory, with an overall RDQ scale alpha=0.86 (minimum acceptable value=0.70). Test--retest reliability (Spearman coefficient) was again found to be optimal, with individual item values ranging between 0.74 (for 'pain in the upper stomach: frequency') and 0.90 (for 'burning feeling behind breastbone: severity'). Finally, the correlation coefficient was 0.96 for the total scale and a range of 0.85-0.98 for individual items, indicating extremely satisfactory concordance. CONCLUSIONS The Italian RDQ appears to be a simple, reproducible, and reliable tool for the diagnosis of GERD. We believe that this questionnaire is well suited for use, both in primary care settings and in epidemiological studies, in particular for the assessment of so-called typical symptoms.
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Shin JM, Vagin O, Munson K, Kidd M, Modlin IM, Sachs G. Molecular mechanisms in therapy of acid-related diseases. Cell Mol Life Sci 2008; 65:264-81. [PMID: 17928953 PMCID: PMC3081136 DOI: 10.1007/s00018-007-7249-x] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Inhibition of gastric acid secretion is the mainstay of the treatment of gastroesophageal reflux disease and peptic ulceration; therapies to inhibit acid are among the best-selling drugs worldwide. Highly effective agents targeting the histamine H2 receptor were first identified in the 1970s. These were followed by the development of irreversible inhibitors of the parietal cell hydrogen-potassium ATPase (the proton pump inhibitors) that inhibit acid secretion much more effectively. Reviewed here are the chemistry, biological targets and pharmacology of these drugs, with reference to their current and evolving clinical utilities. Future directions in the development of acid inhibitory drugs include modifications of current agents and the emergence of a novel class of agents, the acid pump antagonists.
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Affiliation(s)
- J. M. Shin
- Department of Physiology, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California USA
- VA Greater Los Angeles Healthcare System, West LA Medical Center, 11301 Wilshire Boulevard, Building 113, Los Angeles, California 90073 USA
| | - O. Vagin
- Department of Physiology, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California USA
- VA Greater Los Angeles Healthcare System, West LA Medical Center, 11301 Wilshire Boulevard, Building 113, Los Angeles, California 90073 USA
| | - K. Munson
- Department of Physiology, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California USA
- VA Greater Los Angeles Healthcare System, West LA Medical Center, 11301 Wilshire Boulevard, Building 113, Los Angeles, California 90073 USA
| | - M. Kidd
- Department of Surgery, Yale University School of Medicine, TMP202, 333 Cedar Street, New Haven Connecticut, 06520-8062 USA
| | - I. M. Modlin
- Department of Surgery, Yale University School of Medicine, TMP202, 333 Cedar Street, New Haven Connecticut, 06520-8062 USA
| | - G. Sachs
- Department of Physiology, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, California USA
- VA Greater Los Angeles Healthcare System, West LA Medical Center, 11301 Wilshire Boulevard, Building 113, Los Angeles, California 90073 USA
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Oudkerk Pool M. Review article: Gastro-oesophageal reflux disease--application of the concept of complete remission. Aliment Pharmacol Ther 2007; 26 Suppl 2:13-6. [PMID: 18081644 DOI: 10.1111/j.1365-2036.2007.03493.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
BACKGROUND Therapeutic success in the treatment of gastro-oesophageal reflux disease cannot be measured by endoscopic healing or symptomatic relief alone. Assessment of treatment efficacy should be based on symptomatic relief and endoscopic healing. As most questionnaires focus on heartburn, it is important to stress that there is more to gastro-oesophageal reflux disease than just heartburn. The 'complete remission' concept was recently introduced; an approach in which endoscopic appearances and symptomatic relief are integrated, thus allowing the full gastro-oesophageal reflux disease picture and its changes over time to be described in a simple and accurate manner. Complete remission is defined as the absence of both oesophagitis and symptoms. ReQuest, a relatively new questionnaire acceptable as a clinical endpoint in trials, seems to be of use in daily practice. AIM To review the utility of the ReQuest questionnaire. RESULTS This questionnaire assesses the gastro-oesophageal reflux disease symptom profile using 67 symptom descriptions adapted from patients' view, doctors' view, clinical trials and from the literature. Individual symptoms are reduced to seven dimensions by factor analysis and expert consensus. This gives insight into multiple symptoms over time as well as individual patient profiles. ReQuest determines symptom relief using a gastro-oesophageal reflux disease symptom threshold. This unique concept allows the doctor to measure the time to first symptom relief and also to sustained symptom relief. CONCLUSIONS ReQuest makes it possible to evaluate the complete symptom spectrum in patients with non-erosive oesophageal reflux disease and gastro-oesophageal reflux disease. ReQuest is available for daily practice to use for comparability with regard to treatment efficacy.
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Affiliation(s)
- M Oudkerk Pool
- Department of Gastroenterology, Isala Clinics, Zwolle, The Netherlands.
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Pace F, Sonnenberg A, Bianchi Porro G. The lessons learned from randomized clinical trials of GERD. Dig Liver Dis 2007; 39:993-1000. [PMID: 17942379 DOI: 10.1016/j.dld.2007.09.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2007] [Revised: 09/11/2007] [Accepted: 09/19/2007] [Indexed: 12/11/2022]
Abstract
Despite the huge number of randomized controlled clinical trials published on gastro-oesophageal reflux disease, the translation of the information gathered into clinical practice is rather limited. The aim of this article is to summarize the results of pivotal randomized controlled clinical trials and review articles on reflux disease and evaluate to what extent their results can be applied to current clinical practice. We reviewed the most relevant randomized controlled clinical trials and reviews since the publication of the first randomized controlled clinical trial on reflux oesophagitis (1978) to date. Six areas were explored, namely: (1) diagnostic "entry" criteria, (2) efficacy parameters, (3) duration of therapy, (4) degree of antisecretory effect, (5) placebo effect, (6) follow-up data. Gastro-oesophageal reflux disease is now the most frequent upper GI disorder treated by gastroenterologists in Europe and North America. There is still a dearth of information regarding the natural history of the disease. The types of information generated through randomized controlled clinical trials have had only limited applicability to routine clinical practice. In the future, large cooperative databases accumulating the clinical histories of a great variety of gastro-oesophageal reflux disease patients may help to provide us with the much needed insights into the natural history of this common disorder.
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Affiliation(s)
- F Pace
- Department and Chair of Gastroenterology, L. Sacco University Hospital, Milan, Italy
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Horowitz N, Moshkowitz M, Halpern Z, Leshno M. Applying data mining techniques in the development of a diagnostics questionnaire for GERD. Dig Dis Sci 2007; 52:1871-8. [PMID: 17420944 DOI: 10.1007/s10620-006-9202-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2005] [Accepted: 12/30/2005] [Indexed: 01/31/2023]
Abstract
Gastroesophageal reflux disease (GERD) is a common condition, managed mostly in primary care practice. Heartburn and acid regurgitation are considered primary symptoms, and are usually highly specific. However, the symptom spectrum is much wider and in many cases it is difficult to determine whether the patient has GERD or dyspepsia from another origin. The aim of this study is to develop a symptom score and rule for the diagnosis of GERD, using data mining techniques, to provide a clinical diagnostic tool for primary care practitioners in the evaluation and management of upper gastrointestinal symptoms. A diagnostic symptom questionnaire consisting of 15 items and based on the current literature was designed to measure the presence and severity of reflux and dyspepsia symptoms using a 5-point Likert-type scale. A total of 132 subjects with uninvestigated upper abdominal symptoms were prospectively recruited for symptom evaluation. All patients were interviewed and examined, underwent upper gastrointestinal endoscopy, and completed the questionnaire. Based on endoscopic findings as well as the medical interview, the subjects were classified as having reflux disease (GERD) or non-reflux disease (non-GERD). Data mining models and algorithms (neural networks, decision trees, and logistic regression) were used to build a short and simple new discriminative questionnaire. The most relevant variables discriminating GERD from non-GERD patients were heartburn, regurgitation, clinical response to antacids, sour taste, and aggravation of symptoms after a heavy meal. The sensitivity and specificity of the new symptom score were 70%-75% and 63%-78%, respectively. The area under the ROC curve for logistic regression and neural networks were 0.783 and 0.787, respectively. We present a new validated discriminative GERD questionnaire using data mining techniques. The questionnaire is useful, friendly, and short, and therefore can be easily applied in clinical practice for choosing the appropriate diagnostic workup for patients with upper gastrointestinal complaints.
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Affiliation(s)
- Noya Horowitz
- Department of Gastroenterology and Liver Disease, Tel-Aviv-Sourasky Medical Center, Tel Aviv, Israel
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