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Alzahrani MA, Alqaraawi AM, Alzubide SR, Abufarhaneh E, Alkhowaiter SS, Alsulaimi M, Alkhiari R, AlMalki AS, Alfadda AA, Aljahdli ES, Alsohaibani FI, AlLehibi AH, Almadi MA. The Saudi Gastroenterology Association consensus on the clinical care pathway for the diagnosis and treatment of GERD. Saudi J Gastroenterol 2024:00936815-990000000-00086. [PMID: 38813746 DOI: 10.4103/sjg.sjg_82_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 04/30/2024] [Indexed: 05/31/2024] Open
Abstract
ABSTRACT Gastroesophageal reflux disease (GERD) is one of the most common problems encountered in outpatient general medicine and gastroenterology clinics. GERD may present with classic esophageal symptoms, extraesophageal symptoms, or mixed symptoms. The diagnosis and treatment of GERD are challenging due to the variety of symptoms and multifactorial pathophysiology. Since there is no consensus on the diagnosis and treatment of GERD in Saudi Arabia, the Saudi Gastroenterology Association established an expert group to formulate a consensus on the clinical care pathway for the diagnosis and treatment of GERD to update health-care providers in Saudi Arabia. The expert group reviewed the literature including recently published international guidelines, clinical trials, and expert opinion and conducted virtual and in-person meetings. A total of 22 statements on the definition, diagnosis, and treatment of GERD were formulated, and three algorithms for the clinical care of GERD were developed with a detailed description for each step. The expert group endorsed the new definition of GERD, the practical principles of interpretation of the diagnostic GERD evaluation, and the practical guidance for GERD treatment including medical, surgical, and endoscopic therapy. The expert group recommends further studies to investigate local data on the diagnosis and treatment of GERD.
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Affiliation(s)
- Mohammed A Alzahrani
- Department of Medicine, College of Medicine, King Khalid University, Abha, Riyadh, Saudi Arabia
| | - Abdullah M Alqaraawi
- Department of Medicine, Gastroenterology Division, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Saeed R Alzubide
- Department of Gastroenterology and Hepatology, King Saud Medical City, Riyadh, Saudi Arabia
| | - Ehab Abufarhaneh
- Liver and Small Bowel Health Center, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Saad S Alkhowaiter
- Department of Medicine, Division of Gastroenterology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | - Resheed Alkhiari
- Department of Medicine, College of Medicine, Qassim University, Qassim, Saudi Arabia
| | - Ahmed S AlMalki
- Gastroenterology Section, Department of Medicine, King Abdulaziz Medical City, Jeddah, Saudi Arabia
| | - Abdulrahman A Alfadda
- Department of Medicine, Gastroenterology Division, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Emad S Aljahdli
- Department of Medicine, Division of Gastroenterology, College of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
- Gastrointestinal Oncology Unit, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Fahad I Alsohaibani
- Department of Medicine, Gastroenterology Division, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Abid H AlLehibi
- Department of Gastroenterology and Hepatology, King Fahad Medical City, Riyadh, Saudi Arabia
| | - Majid A Almadi
- Department of Medicine, Division of Gastroenterology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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Olmos JA, Pandolfino JE, Piskorz MM, Zamora N, Valdovinos Díaz MA, Remes Troche JM, Guzmán M, Hani A, Valdovinos García LR, Pitanga Lukashok H, Domingues G, Vesco E, Rivas MM, Ovalle LFP, Cisternas D, Vela MF. Latin American consensus on diagnosis of gastroesophageal reflux disease. Neurogastroenterol Motil 2024; 36:e14735. [PMID: 38225792 DOI: 10.1111/nmo.14735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 12/05/2023] [Accepted: 12/18/2023] [Indexed: 01/17/2024]
Abstract
BACKGROUND Diagnosing gastroesophageal reflux disease (GERD) can be challenging given varying symptom presentations, and complex multifactorial pathophysiology. The gold standard for GERD diagnosis is esophageal acid exposure time (AET) measured by pH-metry. A variety of additional diagnostic tools are available. The goal of this consensus was to assess the individual merits of GERD diagnostic tools based on current evidence, and provide consensus recommendations following discussion and voting by experts. METHODS This consensus was developed by 15 experts from nine countries, based on a systematic search of the literature, using GRADE (grading of recommendations, assessment, development and evaluation) methodology to assess the quality and strength of the evidence, and provide recommendations regarding the diagnostic utility of different GERD diagnosis tools, using AET as the reference standard. KEY RESULTS A proton pump inhibitor (PPI) trial is appropriate for patients with heartburn and no alarm symptoms, but nor for patients with regurgitation, chest pain, or extraesophageal presentations. Severe erosive esophagitis and abnormal reflux monitoring off PPI are clearly indicative of GERD. Esophagram, esophageal biopsies, laryngoscopy, and pharyngeal pH monitoring are not recommended to diagnose GERD. Patients with PPI-refractory symptoms and normal endoscopy require reflux monitoring by pH or pH-impedance to confirm or exclude GERD, and identify treatment failure mechanisms. GERD confounders need to be considered in some patients, pH-impedance can identify supragrastric belching, impedance-manometry can diagnose rumination. CONCLUSIONS Erosive esophagitis on endoscopy and abnormal pH or pH-impedance monitoring are the most appropriate methods to establish a diagnosis of GERD. Other tools may add useful complementary information.
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Affiliation(s)
- Jorge A Olmos
- Neurogastroenterology Sector, Hospital de Clinicas Jose de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - John E Pandolfino
- Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - María M Piskorz
- Neurogastroenterology Sector, Hospital de Clinicas Jose de San Martin, Universidad de Buenos Aires, Buenos Aires, Argentina
| | | | - Miguel A Valdovinos Díaz
- UNAM, Ciudad de Mexico, Mexico
- Department of Gastroenterology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - José M Remes Troche
- Institute of Medical Biological Research, Universidad Veracruzana, Veracruz, Mexico
| | - Mauricio Guzmán
- Neurogastroenterology Unit, Gastroenterology Service, Hospital San Martín de La Plata, Buenos Aires, Argentina
| | - Albis Hani
- Hospital San Ignacio-Pontificia Universidad Javeriana, Bogotá, Colombia
| | | | - Hannah Pitanga Lukashok
- Digestive Motility Service, Instituto Ecuatoriano de Enfermedades Digestivas-IECED, Guayaquil, Ecuador
| | | | - Eduardo Vesco
- Neuromotility Unit, Clínica Angloamericana, Lima, Peru
- Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Mariel Mejia Rivas
- Internal Medicine, Gastroenterology and Digestive Endoscopy Service, Hospital Vivian Pellas, Managua, Nicaragua
| | - Luis F Pineda Ovalle
- Neurogastroenterology and Motility Service Motility Instituto Gut Médica, Bogotá, Colombia
| | - Daniel Cisternas
- Clínica Alemana de Santiago, School of Medicine, Universidad del Desarrollo, Clínica Alemana, Vitacura, Chile
| | - Marcelo F Vela
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona, USA
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Davis TA, Gyawali CP. Refractory Gastroesophageal Reflux Disease: Diagnosis and Management. J Neurogastroenterol Motil 2024; 30:17-28. [PMID: 38173155 PMCID: PMC10774805 DOI: 10.5056/jnm23145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 10/16/2023] [Indexed: 01/05/2024] Open
Abstract
Gastroesophageal reflux disease (GERD) is common, with increasing worldwide disease prevalence and high economic burden. A significant number of patients will remain symptomatic following an empiric proton pump inhibitor (PPI) trial. Persistent symptoms despite PPI therapy are often mislabeled as refractory GERD. For patients with no prior GERD evidence (unproven GERD), testing is performed off antisecretory therapy to identify objective evidence of pathologic reflux using criteria outlined by the Lyon consensus. In proven GERD, differentiation between refractory symptoms (persisting symptoms despite optimized antisecretory therapy) and refractory GERD (abnormal reflux metrics on ambulatory pH impedance monitoring and/or persistent erosive esophagitis on endoscopy while on optimized PPI therapy) can direct subsequent management. While refractory symptoms may arise from esophageal hypersensitivity or functional heartburn, proven refractory GERD requires personalization of the management approach, tapping from an array of non-pharmacologic, pharmacologic, endoscopic, and surgical interventions. Proper diagnosis and management of refractory GERD is critical to mitigate undesirable long-term complications such as strictures, Barrett's esophagus, and esophageal adenocarcinoma. This review outlines the diagnostic workup of patients presenting with refractory GERD symptoms, describes the distinction between unproven and proven GERD, and provides a comprehensive review of the current treatment strategies available for the management of refractory GERD.
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Affiliation(s)
- Trevor A Davis
- Division of Pediatric Gastroenterology, Washington University School of Medicine, Saint Louis Children’s Hospital, St. Louis, MO, USA
| | - C Prakash Gyawali
- Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, USA
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Abbasi A, Siddiqui SA, Ram B, Khan JUA, Sheikh K, Ali A, Raja Memon W, Rehan M, Zia Ul Haq M, Kumar Seetlani N, Akhter TS, Khoso M, Javed A, Hussain Khokhar R, Hussain Memon Z, Akbar W, Naeem M, Shaikh S, Khan Khattak A, Memon AQ, Bhatty S, Sultan O, Shani I, Maheshwary N. Real-World Evidence to Evaluate the Efficacy and Safety of Vonoprazan in Gastrointestinal Disorders in the Pakistani Population. Cureus 2023; 15:e48994. [PMID: 38111444 PMCID: PMC10726382 DOI: 10.7759/cureus.48994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2023] [Indexed: 12/20/2023] Open
Abstract
BACKGROUND AND AIM While proton pump inhibitor (PPI) therapy has proven to be effective in managing gastroesophageal reflux disease (GERD), a notable portion of patients who experience GERD symptoms may not respond to this treatment. Research suggests that roughly 30% of individuals with a presumed GERD diagnosis may continue to experience symptoms, whether partially or completely, even when receiving PPI therapy. The aim of this study was to assess the treatment of gastrointestinal diseases with a novel potassium-competitive acid blocker (P-CAB), vonoprazan, in terms of its effectiveness and safety in the Pakistani population. METHODS This prospective, multicenter, observational study was conducted in Pakistan. This study included 1,642 patients from January 2023 to August 2023, aged 18 years, with gastrointestinal disorders. All demographic data, medical history, GERD severity assessment questionnaire (GerdQ), and laboratory parameters, including stool assessment for Helicobacter pylori (H. pylori), were observed. Patients were orally treated with vonoprazan at doses of 10 mg or 20 mg, once or twice daily. Statistical analysis was done by one-way ANOVA. RESULTS Out of 1,642 patients, 840 (51.2%) were males and 802 (48.8%) were females, with a mean age of 39.81±14.61 years. The mean GerdQ score at baseline was 20.37±15.87, 7.24±8.15 at the second week of treatment, and 3.70±6.31 at the fourth week of treatment (p<0.001). 90.74% of patients achieved H. pylori eradication. Most patients were acid regurgitation and heartburn-free for >70% of days. Most of the patients, 1,283 (78.13%), exhibited good treatment compliance. Mild adverse events were reported in 37 (2.3%) patients. CONCLUSIONS The use of vonoprazan significantly reduced the likelihood of GERD by improving symptoms and was also highly effective in the elimination of H. pylori infections. Vonoprazan was generally well tolerated.
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Affiliation(s)
| | | | - Bikha Ram
- Internal Medicine, Liaquat University of Medical and Health Sciences, Hyderabad, PAK
| | | | - Khalid Sheikh
- Internal Medicine, People's University of Medical and Health Sciences for Women, Nawabshah, PAK
| | - Asif Ali
- Internal Medicine, Civil Hospital Karachi, Karachi, PAK
- Medicine, Dow General Hospital/Dow University of Health Sciences, Karachi, PAK
| | - Waseem Raja Memon
- Medicine, People's University of Medical and Health Sciences for Women, Nawabshah, PAK
| | | | | | | | | | - Masood Khoso
- Gastroenterology, Jinnah Postgraduate Medical Center, Karachi, PAK
| | - Asif Javed
- Internal Medicine, Social Security New Born & Children Hospital (MNCH), Faisalabad, PAK
| | - Riaz Hussain Khokhar
- Internal Medicine, People's University of Medical and Health Sciences for Women, Nawabshah, PAK
| | | | - Wajid Akbar
- Internal Medicine, Bacha Khan Medical College, Peshawar, PAK
| | - M Naeem
- Gastroenterology, Mardan Medical Complex, Peshawar, PAK
| | | | | | | | - Shaheen Bhatty
- Internal Medicine, Dr. Ruth K. M. Pfau Civil Hospital, Karachi, PAK
| | - Omar Sultan
- Internal Medicine, Jinnah Postgraduate Medical Center, Karachi, PAK
| | - Idress Shani
- Internal Medicine, District Head Quarters (DHQ) Hospital, Faisalabad, PAK
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Fossmark R, Ness-Jensen E, Sørdal Ø. Is empiric proton pump inhibition in patients with symptoms of extraesophageal gastroesophageal reflux justified? BMC Gastroenterol 2023; 23:303. [PMID: 37674110 PMCID: PMC10483799 DOI: 10.1186/s12876-023-02945-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 09/04/2023] [Indexed: 09/08/2023] Open
Abstract
BACKGROUND The prevalence of gastroesophageal reflux disease (GERD) has had a marked increase in Western countries with a paralleling interest in extraesophageal (EE) manifestations of GERD, including laryngopharyngeal reflux (LPR). There are considerable differences in clinical practice between gastroenterologists, otolaryngologists and pulmonologists. METHODS In this narrative review we address some of these controversies concerning EE manifestations of GERD and LPR. RESULTS It is disputed whether there is causal relationship between reflux and the numerous symptoms and conditions suggested to be EE manifestations of GERD. Similarly, the pathophysiology is uncertain and there are disagreements concerning diagnostic criteria. Consequently, it is challenging to provide evidence-based treatment recommendations. A significant number of patients are given a trial course with a proton pump inhibitor (PPI) for several months before symptoms are evaluated. In randomized controlled trials (RCTs) and meta-analyses of RCTs PPI treatment does not seem to be advantageous over placebo, and the evidence supporting that patients without verified GERD have any benefit of PPI treatment is negligible. There is a large increase in both over the counter and prescribed PPI use in several countries and a significant proportion of this use is without any symptomatic benefit for the patients. Whereas short-term treatment has few side effects, there is concern about side-effects after long-term use. Although empiric PPI treatment for suspected EE manifestations of GERD instead of prior esophageal 24-hour pH and impedance monitoring is included in several guidelines by various societies, this practice contributes to overtreatment with PPI. CONCLUSION We argue that the current knowledge suggests that diagnostic testing with pH and impedance monitoring rather than empiric PPI treatment should be chosen in a higher proportion of patients presenting with symptoms possibly attributable to EE reflux.
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Affiliation(s)
- Reidar Fossmark
- Department of Clinical and Molecular Medicine, NTNU, Norwegian University of Science and Technology, Prinsesse Kristinas gate 1, Trondheim, 7030, Norway.
- Medicus Endoscopy, Trondheim, Norway.
| | - Eivind Ness-Jensen
- HUNT Research Center, Department of Public Health and Nursing, NTNU, Norwegian University of Science and Technology, Levanger, Norway
- Department of Medicine, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway
- Department of Molecular Medicine and Surgery, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
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Patel J, Wong N, Mehta K, Patel A. Gastroesophageal Reflux Disease. Prim Care 2023; 50:339-350. [PMID: 37516506 DOI: 10.1016/j.pop.2023.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/31/2023]
Abstract
Symptoms potentially attributable to gastroesophageal reflux disease are among those most commonly reported to primary care providers in the outpatient setting. In this review, we discuss clinical approaches to the evaluation and management of these symptoms, including proton pump inhibitor trials as well as specific indications or clinical settings that warrant referral to Gastroenterology specialists.
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Affiliation(s)
- Janaki Patel
- Department of Medicine, Ohio State University College of Medicine, 410 West 10th Avenue, Columbus, OH 43210, USA
| | - Natalie Wong
- Division of Gastroenterology, Duke University School of Medicine, Duke University Medical Center, Box 3913, Durham, NC 27710, USA
| | - Kurren Mehta
- Department of Medicine, Duke University School of Medicine, Duke University Medical Center, Box 3913, Durham, NC 27710, USA
| | - Amit Patel
- Division of Gastroenterology, Duke University School of Medicine, 10207 Cerny Street, Suite 200, Raleigh, NC 27617, USA; Division of Gastroenterology, Durham Veterans Affairs Medical Center.
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Chen JW, Vela MF, Peterson KA, Carlson DA. AGA Clinical Practice Update on the Diagnosis and Management of Extraesophageal Gastroesophageal Reflux Disease: Expert Review. Clin Gastroenterol Hepatol 2023; 21:1414-1421.e3. [PMID: 37061897 DOI: 10.1016/j.cgh.2023.01.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 12/23/2022] [Accepted: 01/02/2023] [Indexed: 04/17/2023]
Abstract
DESCRIPTION The purpose of this American Gastroenterological Association (AGA) Institute Clinical Practice Update is to review the available evidence and expert advice regarding the clinical management of patients with suspected extraesophageal gastroesophageal reflux disease. METHODS This article provides practical advice based on the available published evidence including that identified from recently published reviews from leading investigators in the field, prospective and population studies, clinical trials, and recent clinical guidelines and technical reviews. This best practice document is not based on a formal systematic review. The best practice advice as presented in this document applies to patients with symptoms or conditions suspected to be related to extraesophageal reflux (EER). This expert review was commissioned and approved by the AGA Institute Clinical Practice Updates Committee (CPUC) and the AGA Governing Board to provide timely guidance on a topic of high clinical importance to the AGA membership and underwent internal peer review by the CPUC and external peer review through standard procedures of Clinical Gastroenterology and Hepatology. These Best Practice Advice (BPA) statements were drawn from a review of the published literature and from expert opinion. Because systematic reviews were not performed, these BPA statements do not carry formal ratings of the quality of evidence or strength of the presented considerations. BEST PRACTICE ADVICE 1: Gastroenterologists should be aware of potential extraesophageal manifestations of gastroesophageal reflux disease (GERD) and should inquire about such disorders including laryngitis, chronic cough, asthma, and dental erosions in GERD patients to determine whether GERD may be a contributing factor to these conditions. BEST PRACTICE ADVICE 2: Development of a multidisciplinary approach to extraesophageal (EER) manifestations is an important consideration because the conditions are often multifactorial, requiring input from non-gastroenterology (GI) specialties. Results from diagnostic testing (ie, bronchoscopy, thoracic imaging, laryngoscopy, etc) from non-GI disciplines should be taken into consideration when gastroesophageal reflux (GER) is considered as a cause for extraesophageal symptoms. BEST PRACTICE ADVICE 3: Currently, there is no single diagnostic tool that can conclusively identify GER as the cause of EER symptoms. Determination of the contribution of GER to EER symptoms should be based on the global clinical impression derived from patients' symptoms, response to GER therapy, and results of endoscopy and reflux testing. BEST PRACTICE ADVICE 4: Consideration should be given toward diagnostic testing for reflux before initiation of proton pump inhibitor (PPI) therapy in patients with potential extraesophageal manifestations of GERD, but without typical GERD symptoms. Initial single-dose PPI trial, titrating up to twice daily in those with typical GERD symptoms, is reasonable. BEST PRACTICE ADVICE 5: Symptom improvement of EER manifestations while on PPI therapy may result from mechanisms of action other than acid suppression and should not be regarded as confirmation for GERD. BEST PRACTICE ADVICE 6: In patients with suspected extraesophageal manifestation of GERD who have failed one trial (up to 12 weeks) of PPI therapy, one should consider objective testing for pathologic GER, because additional trials of different PPIs are low yield. BEST PRACTICE ADVICE 7: Initial testing to evaluate for reflux should be tailored to patients' clinical presentation and can include upper endoscopy and ambulatory reflux monitoring studies of acid suppressive therapy. BEST PRACTICE ADVICE 8: Testing can be considered for those with an established objective diagnosis of GERD who do not respond to high doses of acid suppression. Testing can include pH-impedance monitoring while on acid suppression to evaluate the role of ongoing acid or non-acid reflux. BEST PRACTICE ADVICE 9: Alternative treatment methods to acid suppressive therapy (eg, lifestyle modifications, alginate-containing antacids, external upper esophageal sphincter compression device, cognitive-behavioral therapy, neuromodulators) may serve a role in management of EER symptoms. BEST PRACTICE ADVICE 10: Shared decision-making should be performed before referral for anti-reflux surgery for EER when the patient has clear, objectively defined evidence of GERD. However, a lack of response to PPI therapy predicts lack of response to anti-reflux surgery and should be incorporated into the decision process.
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Affiliation(s)
- Joan W Chen
- Division of Gastroenterology and Hepatology, University of Michigan, Ann Arbor, Michigan.
| | - Marcelo F Vela
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona
| | | | - Dustin A Carlson
- Division of Gastroenterology and Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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Ghoneim S, Wang J, El Hage Chehade N, Ganocy SJ, Chitsaz E, Fass R. Diagnostic Accuracy of the Proton Pump Inhibitor Test in Gastroesophageal Reflux Disease and Noncardiac Chest Pain: A Systematic Review and Meta-analysis. J Clin Gastroenterol 2023; 57:380-388. [PMID: 35324483 DOI: 10.1097/mcg.0000000000001686] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 01/31/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Response to a trial of proton pump inhibitors (PPIs) is currently accepted as a first step in the management of gastroesophageal reflux disease (GERD). However, information on the diagnostic performance of the PPI test is limited. AIM The aim of this study was to determine the diagnostic accuracy of the PPI test in GERD and noncardiac chest pain (NCCP) and to assess the test performance in erosive reflux disease (ERD) and nonerosive reflux disease (NERD). METHODS Web of Science, Cochrane Controlled Register of Trials (CENTRAL), and MEDLINE were searched for studies reporting the diagnostic accuracy of the PPI test in adult patients with typical GERD and NCCP who underwent evaluation using an accepted reference standard, from January 1, 1950, through February 1, 2021. Subgroup analyses were performed, and the risk of bias was assessed with the Quality Assessment of Diagnostic Accuracy Studies-2 tool. RESULTS Nineteen studies (GERD=11, NCCP=8) involving 1691 patients were included. In GERD, the PPI test had 79% pooled sensitivity [95% confidence interval (CI), 72%-84%], and 45% pooled specificity (95% CI, 40%-49%). In NCCP, pooled sensitivity and specificity were 79% (95% CI, 69%-86%) and 79% (95% CI, 69%-86%), respectively. In ERD, the PPI test had 76% pooled sensitivity (95% CI, 66%-84%) and 30% pooled specificity (95% CI, 8%-67%). In NERD, the PPI test had 79% pooled sensitivity (95% CI, 70%-86%) and 50% pooled specificity (95% CI, 39%-61%). CONCLUSIONS The PPI test was sensitive in GERD but with suboptimal specificity. The test performed better in GERD-related NCCP. Diagnostic accuracy was comparable in ERD and NERD.
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Affiliation(s)
- Sara Ghoneim
- Department of Internal Medicine, Metrohealth Medical Center
- Case Western Reserve University School of Medicine
| | - Jiasheng Wang
- Department of Internal Medicine, Metrohealth Medical Center
- Case Western Reserve University School of Medicine
| | - Nabil El Hage Chehade
- Department of Internal Medicine, Metrohealth Medical Center
- Case Western Reserve University School of Medicine
| | - Stephen J Ganocy
- Case Western Reserve University School of Medicine
- Department of Psychiatry, Mood Disorders Program, University Hospitals Cleveland Medical Center, Cleveland, OH
| | - Ehsan Chitsaz
- Division of Gastroenterology and Hepatology
- Case Western Reserve University School of Medicine
| | - Ronnie Fass
- Division of Gastroenterology and Hepatology
- The Esophageal and Swallowing Center, Division of Gastroenterology and Hepatology, Metrohealth Medical Center, Case Western Reserve University
- Case Western Reserve University School of Medicine
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Ma SD, Patel VG, Greytak M, Rubin JE, Kaizer AM, Yadlapati RH. Diagnostic thresholds and optimal collection protocol of salivary pepsin for gastroesophageal reflux disease. Dis Esophagus 2023; 36:doac063. [PMID: 36148576 PMCID: PMC10893914 DOI: 10.1093/dote/doac063] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/06/2022] [Accepted: 08/24/2022] [Indexed: 12/11/2022]
Abstract
Gastroesophageal reflux disease (GERD) is primarily diagnosed based on symptoms and response to a proton-pump inhibitor (PPI) trial. Gold standard testing requires an invasive endoscopic procedure, often with ambulatory pH monitoring. Salivary pepsin is a potential noninvasive modality for GERD diagnosis. This study aimed to assess diagnostic performance of salivary pepsin thresholds for GERD and determine optimal collection protocol of saliva in an external validation cohort. Over 10 months, adults with symptoms of GERD undergoing esophagogastroduodenoscopy with wireless pH-monitoring off PPI were enrolled. Saliva was self-collected by participants over 4 days across three different time points: fasting ante meridiem (AM), post-prandial, and bedtime (PM). Pepsin levels were calculated via Peptest. Pepsin variability and agreement were determined using linear mixed effects models and intraclass correlation. Validation of diagnostic threshold and performance characteristics were evaluated by receiver-operator curve analysis. Twenty participants enrolled in the study; 50% with physiologic acid exposure (acid exposure time < 4% no GERD) and 50% with elevated acid exposure (GERD). Mean pepsin concentrations were significantly lower in the AM (22.6 ± 25.2 ng/mL) compared to post-prandial (44.5 ± 36.7 ng/mL) and PM (55.4 ± 47.0 ng/mL). Agreement between pepsin concentrations across 3 days was substantial for AM samples (kappa 0.61), with lower agreement for post-prandial and PM samples. A single AM pepsin concentration of 25 ng/mL was 67% accurate for GERD with 56% sensitivity and 78% specificity. This validation study highlights fair accuracy and performance characteristics of a single fasting AM salivary pepsin concentration for the diagnosis of GERD.
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Affiliation(s)
- Steven D Ma
- Department of Medicine, University of California San Diego (UCSD) School of Medicine, La Jolla, CA, USA
| | - Vandan G Patel
- Department of Medicine, University of California San Diego (UCSD) School of Medicine, La Jolla, CA, USA
| | - Madeline Greytak
- Division of Gastroenterology, University of California San Diego (UCSD) School of Medicine, La Jolla, CA, USA
| | - Joshua E Rubin
- Division of Gastroenterology, University of California San Diego (UCSD) School of Medicine, La Jolla, CA, USA
| | - Alexander M Kaizer
- Department of Biostatistics and Informatics, University of Colorado Anschutz Medical Campus, Colorado School of Public Health, Aurora, CO, USA
| | - Rena H Yadlapati
- Division of Gastroenterology, University of California San Diego (UCSD) School of Medicine, La Jolla, CA, USA
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Frazzoni L, Fuccio L, Zagari RM. Management of gastro-esophageal reflux disease: Practice-oriented answers to clinical questions. World J Gastroenterol 2023; 29:773-779. [PMID: 36816619 PMCID: PMC9932426 DOI: 10.3748/wjg.v29.i5.773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/01/2022] [Accepted: 01/09/2023] [Indexed: 02/06/2023] Open
Abstract
Gastro-esophageal reflux disease (GERD) is a condition which is frequently faced by primary care physicians and gastroenterologists. Improving management of GERD is crucial to maximise both patient care and resource utilization. In fact, the management of patients with GERD is complex and poses several questions to the clinician who faces them in clinical practice. For instance, many aspects should be considered, including the appropriateness of indication to endoscopy, the quality of the endoscopic examination, the use and interpretation of ambulatory reflux testing, and the choice and management of anti-reflux treatments, i.e., proton-pump inhibitors and surgery. Aim of the present review was to provide a comprehensive update on the clinical management of patients with GERD, through a literature review on the diagnosis and management of patients with GER symptoms. In details, we provide practice-oriented concise answers to clinical questions, with the aim of optimising patient management and healthcare resource use.
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Affiliation(s)
- Leonardo Frazzoni
- Department of Digestive Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna Policlinico S Orsola, Bologna 40138, Italy
| | - Lorenzo Fuccio
- Department of Digestive Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna Policlinico S Orsola, Bologna 40138, Italy
- Department of Medical and Surgical Sciences, University of Bologna, Bologna 40138, Italy
| | - Rocco Maurizio Zagari
- Department of Digestive Diseases, IRCCS Azienda Ospedaliero-Universitaria di Bologna Policlinico S Orsola, Bologna 40138, Italy
- Department of Medical and Surgical Sciences, University of Bologna, Bologna 40138, Italy
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Farooqi MS, Podury S, Crowley G, Javed U, Li Y, Liu M, Kwon S, Grunig G, Khan AR, Francois F, Nolan A. Noninvasive, MultiOmic, and Multicompartmental Biomarkers of Reflux Disease: A Systematic Review. GASTRO HEP ADVANCES 2023; 2:608-620. [PMID: 38009162 PMCID: PMC10673619 DOI: 10.1016/j.gastha.2023.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2023]
Abstract
BACKGROUND AND AIMS Gastroesophageal reflux disease (GERD) is a prevalent gastrointestinal disorder that may complicate conditions such as obstructive airway disease. Our group has identified predictive biomarkers of GERD in particulate exposed first responders with obstructive airway disease. In addition, GERD diagnosis and treatment is costly and invasive. In light of these clinical concerns, we aimed to systematically review studies identifying noninvasive, multiOmic, and multicompartmental biomarkers of GERD. METHODS A systematic review of PubMed and Embase was performed using keywords focusing on reflux disease and biomarkers and registered with PROSPERO. We included original human studies in English, articles focusing on noninvasive biomarkers of GERD published after December 31, 2009. GERD subtypes (non-erosive reflux disease and erosive esophagitis) and related conditions (Barrett's Esophagus [BE] and Esophageal Adenocarcinoma). Predictive measures were synthesized and risk of bias assessed (Newcastle-Ottawa Scale). RESULTS Initial search identified n = 238 studies andn 13 articles remained after applying inclusion/exclusion criteria. Salivary pepsin was the most studied biomarker with significant sensitivity and specificity for GERD. Serum assessment showed elevated levels of Tumor Necrosis Factor-alpha in both GERD and Barrett's. Exhaled breath volatile sulfur compounds and acetic acid were associated with GERD. Oral Microbiome: Models with Lautropia, Streptococcus, and Bacteroidetes showed the greatest discrimination between BE and controls vs Lautropia; ROCAUC 0.94 (95% confidence interval; 0.85-1.00). CONCLUSION Prior studies identified significant multiOmic, multicompartmental noninvasive biomarker risks for GERD and BE. However, studies have a high risk of bias and the reliability and accuracy of the biomarkers identified are greatly limited, which further highlights the need to discover and validate clinically relevant noninvasive biomarkers of GERD.
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Affiliation(s)
- Muhammad S. Farooqi
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University Grossman School of Medicine (NYUGSoM), New York, New York
| | - Sanjiti Podury
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University Grossman School of Medicine (NYUGSoM), New York, New York
| | - George Crowley
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University Grossman School of Medicine (NYUGSoM), New York, New York
| | - Urooj Javed
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University Grossman School of Medicine (NYUGSoM), New York, New York
| | - Yiwei Li
- Department of Population Health, Division of Biostatistics, NYUGSoM, New York, New York
| | - Mengling Liu
- Department of Population Health, Division of Biostatistics, NYUGSoM, New York, New York
| | - Sophia Kwon
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University Grossman School of Medicine (NYUGSoM), New York, New York
| | - Gabriele Grunig
- Department of Environmental Medicine, NYUGSoM, New York, New York
| | - Abraham R. Khan
- Department of Medicine, Center for Esophageal Health, NYUGSoM, New York, New York
- Department of Medicine, Division of Gastroenterology, NYUGSoM, New York, New York
| | - Fritz Francois
- Department of Medicine, Division of Gastroenterology, NYUGSoM, New York, New York
| | - Anna Nolan
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University Grossman School of Medicine (NYUGSoM), New York, New York
- Department of Environmental Medicine, NYUGSoM, New York, New York
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12
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Vales A, Coyle C, Plehhova K, Hobson A, Woodland P. Randomised clinical trial: the use of alginates during preinvestigation proton pump inhibitor wash-out and their impact on compliance and symptom burden. BMJ Open Gastroenterol 2023; 10:bmjgast-2022-001026. [PMID: 36627148 PMCID: PMC9835863 DOI: 10.1136/bmjgast-2022-001026] [Citation(s) in RCA: 2] [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: 09/17/2022] [Accepted: 11/18/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND/AIMS Investigation of gastro-oesophageal reflux disease is usually performed off proton pump inhibitors (PPIs). This can exacerbate symptoms, potentially impacting investigation accuracy if patients circumvent the preinvestigation instructions. There are no standard recommendations on how to manage PPI withdrawal. We aimed to assess the impact of structured alginate use on symptom burden. METHODS Participants were already established on ≥4 weeks of PPI therapy and being referred for manometry and 24-hour pH/impedance testing. Preinvestigation instructions involved stopping PPIs and H2 receptor antagonists for 1 week, but antacids and alginates were allowed until the night before. Participants were randomised to follow these standard instructions (control group), or the same instructions with the provision of Gaviscon Advance to be taken four times daily (treatment group). The primary outcome assessed change in Gastro-Oesophageal Reflux Disease Health-Related Quality of Life Score. KEY RESULTS Data for 48 patients were available for primary outcome assessment. While patients in the control group had a significant increase in symptoms (median difference 6.5, 95% CI (1 to 7), p=0.04), no change occurred in the treatment arm (median difference -1.5, 95% CI (-2, 3.5), p=0.54). There were no serious adverse events. CONCLUSIONS Structured alginate use prevents symptom exacerbation during preinvestigation PPI wash-out. These findings are limited to the 1-week wash-out period but can benefit thousands of patients undergoing investigation for gastro-oesophageal reflux each year. Further research is required to assess this effect in other settings, such as sustained PPI deprescription. The trial was funded by Reckitt Benckiser. TRIAL REGISTRATION NUMBER EudraCT registration 2019-004561-41.
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Yu L, Li R, Du L, Zhao Y. The diagnostic value of pepsin concentration in saliva for laryngopharyngeal reflux disease. Eur Arch Otorhinolaryngol 2022; 279:5783-5789. [PMID: 35689682 DOI: 10.1007/s00405-022-07472-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 05/27/2022] [Indexed: 01/04/2023]
Abstract
OBJECTIVE To explore the diagnostic efficacy of pepsin concentration in saliva for laryngopharyngeal reflux (LPR) disease. METHODS In this study, we recruited 40 participants with abnormal sensation of throat into the study who visited our hospital from March 2020 to December 2020. The 24 h multichannel intraluminal impedance and pH monitoring (24 h MII-pH), reflux symptom index (RSI) and reflux finding score (RFS), pepsin concentration in saliva were collected. The Cohen's kappa test and receiver-operating characteristic (ROC) curves were performed to determine and compare the sensitivity and specificity of five diagnostic methods: RSI; RFS, pepsin concentration, RSI + RFS, RSI + RFS + pepsin concentration. RESULTS The area under the curve (AUC) of RSI, RFS, pepsin concentration, RSI + RFS, RSI + RFS + pepsin concentration were 0.767, 0.733, 0.870, 0.750,0.867, respectively. That is, the pepsin concentration has maximum AUC (the cutoff point is 219.47 (ng/mL); the sensitivity and 1-specificity is 0.300, 0.933, respectively.). The positive predictive value was 90.3% (28/31), and the negative predictive value was 77.8% (7/9). The Cohen's kappa coefficients of the five diagnostic subgroups were: RSI 0.486 (95% CI 0.207-0.764, P = 0.001); RFS 0.333 (95% CI 0.021-0.644, P = 0.032); RSI + RFS: 0.517 (95% CI 0.205-0.829, P = 0.001); pepsin concentration: 0.699 (95% CI 0.379-0.931, P = 0.001); RSI + RFS + pepsin concentration: 0.500 (95% CI 0.181-0.819, P < 0.001). CONCLUSION The pepsin concentration has the maximum AUC area and highest consistency with the 24 h MII-pH. Therefore, it has certain value in the screening and diagnosis of diseases related to LPR disease.
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Affiliation(s)
- Lei Yu
- Department of Otorhinolaryngology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Rui Li
- Department of Otorhinolaryngology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Linnan Du
- Chemical Engineering Institute, Shijiazhuang University, Shijiazhuang, China
| | - Yuliang Zhao
- Department of Otorhinolaryngology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China.
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Barnhart MA, Thomas ML, Schilthuis AJ, Jackson CD. Know Your Guidelines Series: The ACG Clinical Guideline for the Diagnosis and Management of Gastroesophageal Reflux Disease Review. South Med J 2022; 115:919-920. [DOI: 10.14423/smj.0000000000001473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Wu J, Ma Y, Chen Y. GERD-related chronic cough: Possible mechanism, diagnosis and treatment. Front Physiol 2022; 13:1005404. [PMID: 36338479 PMCID: PMC9630749 DOI: 10.3389/fphys.2022.1005404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/07/2022] [Indexed: 11/04/2023] Open
Abstract
GERD, or gastroesophageal reflux disease, is a prevalent medical condition that affects millions of individuals throughout the world. Chronic cough is often caused by GERD, and chronic cough caused by GER is defined as GERD-related chronic cough (GERC). It is still unclear what the underlying molecular mechanism behind GERC is. Reflux theory, reflex theory, airway allergies, and the novel mechanism of esophageal motility disorders are all assumed to be linked to GERC. Multichannel intraluminal impedance combined with pH monitoring remains the gold standard for the diagnosis of GERC, but is not well tolerated by patients due to its invasive nature. Recent discoveries of new impedance markers and new techniques (mucosal impedance testing, salivary pepsin, real-time MRI and narrow band imaging) show promises in the diagnosis of GERD, but the role in GERC needs further investigation. Advances in pharmacological treatment include potassium-competitive acid blockers and neuromodulators (such as Baclofen and Gabapentin), prokinetics and herbal medicines, as well as non-pharmacological treatments (such as lifestyle changes and respiratory exercises). More options have been provided for the treatment of GERC other than acid suppression therapy and anti-reflux surgery. In this review, we attempt to review recent advances in GERC mechanism, diagnosis, and subsequent treatment options, so as to provide guidance for management of GERC.
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Affiliation(s)
| | - Yiming Ma
- Department of Pulmonary and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yan Chen
- Department of Pulmonary and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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16
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Advancements in the use of 24-hour impedance-pH monitoring for GERD diagnosis. Curr Opin Pharmacol 2022; 65:102264. [DOI: 10.1016/j.coph.2022.102264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 05/01/2022] [Accepted: 06/06/2022] [Indexed: 11/23/2022]
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De Vincentis A, Baldi F, Calderazzo M, Caliceti U, Guarnieri G, Lombardi F, Lombardo FP, Maggi S, Onder G, Vaghi A, Zanasi A, Antonelli Incalzi R. Chronic cough in adults: recommendations from an Italian intersociety consensus. Aging Clin Exp Res 2022; 34:1529-1550. [PMID: 35666453 DOI: 10.1007/s40520-022-02154-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/11/2022] [Indexed: 12/18/2022]
Abstract
BACKGROUND Chronic cough (CC) is a burdensome health problem in adult and older people, with a major impact on quality of life. Its management is often troublesome, and many guidelines have been released. Notwithstanding, a proportion of cases still do not reach a definite diagnosis and resolutive treatment. A coordinated approach between different specialists would be highly recommended, but its implementation in clinical practice suffers from the lack of shared protocols and poor awareness of the problem. The present consensus document has been implemented to address these issues. AIMS To develop evidence-based recommendations for the management of adults with CC. METHODS A 12-member expert task force of general practitioners, geriatricians, pneumologists, allergologists, otorhynolaringologists and gastroenterologists was established to develop evidence-based recommendations for the diagnostic and therapeutic approach to subjects with CC. A modified Delphi approach was used to achieve consensus, and the US Preventive Services Task Force system was used to rate the strength of recommendations and the quality of evidence. RESULTS A total of 56 recommendations were proposed, covering 28 topics and concerning definitions and epidemiology, pathogenesis and etiology, diagnostic and therapeutic approach along with the consideration of specific care settings. CONCLUSION These recommendations should ease the management of subjects with CC by coordinating the expertise of different specialists. By providing a convenient list of topics of interest, they might assist in identifying unmet needs and research priorities.
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Affiliation(s)
- Antonio De Vincentis
- Unit of Internal Medicine and Geriatrics, Università Campus Bio-Medico di Roma, Fondazione Policlinico Universitario Campus Bio-Medico di Roma, via Alvaro del Portillo, 200, 00128, Rome, Italy.
| | - Fabio Baldi
- Gastroenterology and Digestive Pathophysiology, Villalba Hospital, Bologna, Italy
| | | | - Umberto Caliceti
- Emeritus Professor of Otorhinolaringology, Università di Bologna, Bologna, Italy
| | - Gabriella Guarnieri
- Department of Cardiac-Thoracic-Vascular Sciences and Public Health, University of Padua, Padua, Italy
| | - Francesco Lombardi
- Fondazione Policlinico IRCCS A. Gemelli, and Università Cattolica del Sacro Cuore, Roma, Italia
| | - Francesco Paolo Lombardo
- General Practitioner, Società Italiana di Medicina Generale (SIMG), Pneumology Area, Florence, Italy
| | - Stefania Maggi
- Institute of Neuroscience, Aging Branch, CNR, Padua, Italy
| | - Graziano Onder
- Department of Cardiovascular, Endocrine-Metabolic Diseases and Ageing, Istituto Superiore di Sanità, Rome, Italy
| | - Adriano Vaghi
- ASST-Rhodense, UOC Pneumologia, Garbagnate Milanese, Milan, Italy
| | | | - Raffaele Antonelli Incalzi
- Unit of Internal Medicine and Geriatrics, Università Campus Bio-Medico di Roma, Fondazione Policlinico Universitario Campus Bio-Medico di Roma, via Alvaro del Portillo, 200, 00128, Rome, Italy
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18
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Xiao YL. Gastroesophageal reflux disease: When East meets West. J Dig Dis 2022; 23:192-195. [PMID: 35195924 DOI: 10.1111/1751-2980.13090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 02/20/2022] [Indexed: 12/11/2022]
Abstract
Gastroesophageal reflux disease (GERD) is common worldwide and poses a huge challenge to health. Consensuses and guidelines on the diagnosis and management of GERD in China and the USA have recently been updated. The divergence between these guidelines indicates the differences in the conception of this disease by experts in different countries, and is influenced by available medications and interventional procedures. Prompt endoscopy has been advocated in China due to a high prevalence of upper gastrointestinal (GI) cancer, while endoscopy has been reserved for those who are at a risk of malignancy or who are reisitant to proton pump inhibitors (PPIs) in the USA. A potassium channel acid-blocker is widely used in Asian countries and has proven efficacy. Moreover, it has been recommended, together with PPIs, as a primary therapy for GERD in China; while PPI alone is recommended as a first-line treatment in the USA. Although more prokinetics are available in China than in the USA and can alleviate GERD symptoms when combined with PPI, the choice of prokinetics is limited in the USA, leading to completely opposite attitudes to prokinetics in the two countries. Novel anti-reflux procedures have been introduced in both countries. Transoral incisionless fundoplication (TIF) is recommended as an endoscopic anti-reflux procedure, and magnetic sphincter augmentation (MSA) is recognized as equivocal to conventional laparoscopic fundoplication in the USA. However, radiofrequency ablation is more popular in China, and clinical trials on TIF and MSA are not complete, which results in diverse opinions about suitable anti-reflux procedures in China. A comparison of the guidelines may therefore shed light on the multiple dimensions of GERD and thus deepen our understanding of the disease.
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Affiliation(s)
- Ying Lian Xiao
- Department of Gastroenterology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
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19
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Evidence-based clinical practice guidelines for gastroesophageal reflux disease 2021. J Gastroenterol 2022; 57:267-285. [PMID: 35226174 PMCID: PMC8938399 DOI: 10.1007/s00535-022-01861-z] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 02/03/2022] [Indexed: 02/06/2023]
Abstract
In Japan, with the increasing prevalence of gastroesophageal reflux disease (GERD) and growing public interest, the Japanese Society of Gastroenterology issued Evidence-based Clinical Practice Guidelines for GERD (1st edition) in 2009 and a revised 2nd edition in 2015. A number of studies on GERD were subsequently conducted in Japan and abroad, and vonoprazan, a potassium-competitive acid blocker (P-CAB), became available for the first time in Japan in February 2015. The revised 3rd edition (Japanese edition), which incorporates new findings and information, was published in April 2021. These guidelines are summarized herein, particularly sections related to the treatment of GERD. The important clinical issues addressed in the present revision are (i) the introduction of treatment algorithms that classify GERD into reflux esophagitis and non-erosive reflux disease, (ii) the clarification of treatment algorithms based on to the severity of reflux esophagitis, and (iii) the positioning of vonoprazan in the treatment for GERD. The present guidelines propose vonoprazan as the initial/maintenance treatment for severe reflux esophagitis. They also recommend vonoprazan or PPI as an initial treatment for mild reflux esophagitis and recommended PPI and proposed vonoprazan as maintenance treatment. These updated guidelines offer the best clinical strategies for GERD patients in Japan and hope that they will be of global use for the diagnosis and treatment for GERD.
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Gök M, Gencdal G. The assessment of patients with non-erosive gastroesophageal reflux disease by using the Bravo® pH monitoring system. SANAMED 2022; 17:99-103. [DOI: 10.5937/sanamed17-39523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023] Open
Abstract
Background and aim: Gastroesophageal reflux disease (GERD) is a common disease in the world. GERD is always treated with drugs. The Bravo® wireless pH monitoring system is a good technique. The Bravo® may affect increasing the specificity and sensitivity in the diagnosis of GERD with its 48-hour recording feature. In this study, we aimed to assess the diagnostic performance of the Bravo® pH monitoring system in patients with non-erosive GERD. Materials and Methods: Patients with non-erosive reflux disease (normal endoscopy) whose symptoms persisted after PPI treatment (at least two months) were included in the study. All patients had upper gastrointestinal system endoscopies performed in our clinic between January 2013 and December 2019. All patients had a 48-hour Bravo® wireless pH monitoring record. Results: Twenty-three patients (M: 18 (78.3%; Age: 35.7 ± 11) were included in the study. All patients completed the 2-day recording protocol. During and after the procedure, no patient showed any adverse effects of the Bravo® procedure. We diagnosed GERD in 13 of 23 patients by Bravo® capsule. According to the Bravo® pH-meter recordings; Total time pH < 4 (minute) was 187 ± 190, the total number of refluxes was 90 ± 61, the percentage of time with pH < 4 was 7.1 ± 7.22, the number of long reflux events were 8.1 ± 8, the duration of the longest reflux episode during pH < 4 (minute) was 31 ± 49, the Demeester score was 20.8 ± 19.3 detected. Conclusion: Based on the results of the current study, the Bravo® pH monitoring system is a practical and effective diagnostic technique for non-erosive GERD. Further prospective studies would be useful for comparing the differences between 24-hour and 48-hour pH recording results.
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21
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ACG Clinical Guideline for the Diagnosis and Management of Gastroesophageal Reflux Disease. Am J Gastroenterol 2022; 117:27-56. [PMID: 34807007 PMCID: PMC8754510 DOI: 10.14309/ajg.0000000000001538] [Citation(s) in RCA: 252] [Impact Index Per Article: 126.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 08/30/2021] [Indexed: 01/30/2023]
Abstract
Gastroesophageal reflux disease (GERD) continues to be among the most common diseases seen by gastroenterologists, surgeons, and primary care physicians. Our understanding of the varied presentations of GERD, enhancements in diagnostic testing, and approach to patient management have evolved. During this time, scrutiny of proton pump inhibitors (PPIs) has increased considerably. Although PPIs remain the medical treatment of choice for GERD, multiple publications have raised questions about adverse events, raising doubts about the safety of long-term use and increasing concern about overprescribing of PPIs. New data regarding the potential for surgical and endoscopic interventions have emerged. In this new document, we provide updated, evidence-based recommendations and practical guidance for the evaluation and management of GERD, including pharmacologic, lifestyle, surgical, and endoscopic management. The Grading of Recommendations, Assessment, Development, and Evaluation system was used to evaluate the evidence and the strength of recommendations. Key concepts and suggestions that as of this writing do not have sufficient evidence to grade are also provided.
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22
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Domingues G, Moraes-Filho JPPD. GASTROESOPHAGEAL REFLUX DISEASE: A PRACTICAL APPROACH. ARQUIVOS DE GASTROENTEROLOGIA 2021; 58:525-533. [PMID: 34909861 DOI: 10.1590/s0004-2803.202100000-94] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 06/26/2021] [Indexed: 01/10/2023]
Abstract
Gastroesophageal reflux disease (GERD) presents typical manifestations such as heartburn and/or regurgitation as well as atypical manifestations such as throat symptoms, laryngitis, hoarseness, chronic cough, asthma, and sleep alterations. There are two phenotypes of the disease: erosive GERD, when erosions are identified by upper digestive endoscopy, and non-erosive GERD, when the esophageal mucosa presents a normal endoscopic aspect. Relevant clinical findings are usually absent in the physical examination, but it should be highlighted that obesity is an important aggravating factor of reflux. The treatment is established based on clinical findings and, according to the clinical situation, on complementary exams such as upper digestive endoscopy. In dubious cases where a precise diagnosis is required, the indicated test is esophageal pHmetry or impedance-pHmetry. Clinical treatment is divided into behavioral/dietary measures and pharmacological measures. Most patients benefit from clinical treatment, but surgical treatment may be indicated in the presence of a larger hiatal hernia and complications of the disease.
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Affiliation(s)
- Gerson Domingues
- Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
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Alzahrani F, Al Turki Y. Knowledge and practice of family medicine and internal medicine residents toward the management of gastroesophageal reflux disease in Riyadh, Saudi Arabia. J Family Med Prim Care 2021; 10:3005-3012. [PMID: 34660439 PMCID: PMC8483100 DOI: 10.4103/jfmpc.jfmpc_236_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/17/2021] [Accepted: 03/23/2021] [Indexed: 11/04/2022] Open
Abstract
Background Accurate diagnosis and management of gastroesophageal reflux disease (GERD) remain a challenge in the primary care setting. The objective was to assess GERD management's knowledge and practice and its association with the family and internal medicine residents. Methods A cross-sectional study between January 2019 and September 2020 among the family and internal medicine residents in Riyadh, Saudi Arabia. Residents answered a self-administrated questionnaire about knowledge and practices of GERD management. Results A total of 596 residents were included in the current study. The average age was 26.8 ± 2.1 years, and 54.5% of the residents were males. The median knowledge score was 62.5%. The majority (89.8%) of the residents were using acid suppression drugs empirically, mainly proton-pump inhibitors (75.8%), for <8-week durations (69.7%) being taken before meals (84.7%). Frequent diagnostic testing for GERD included urea breath test (50.7%), 24-hour pH-metry/24-hour pH probe (47.3%), and upper endoscopy with biopsy (40.7%). Frequent causes for referral included gastrointestinal bleeding (82.6%), weight loss/appetite loss (82.2%), and failure of therapy (78.7%). Better knowledge was associated with older age, family medicine training, better referral practices, frequent reporting of atypical symptoms, and reading recent guidelines. Conclusions We are reporting a moderate knowledge level among a group of family and internal medicine residents trained in Riyadh hospitals. Practices were generally good with some areas that need improvement, especially diagnostic testing. There is an urgent need for educational programs that target family and internal medicine residents, such as education courses that include lectures and clinical discussions with the senior staff. Also, we suggest health care organizations in Saudi Arabia establish well-structured Saudi National GERD Guidelines.
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Affiliation(s)
- Fahad Alzahrani
- Department of Family and Community Medicine, King Saud University, King Saud University Medical Saud City Riyadh, Saudi Arabia
| | - Yousef Al Turki
- Department of Family and Community Medicine, King Saud University, Collage of Medicine, King University Medical City Riyadh, Saudi Arabia
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Xiao YL, Zhou LY, Hou XH, Li YQ, Zou DW, Chen MH. Chinese expert consensus on gastroesophageal reflux disease in 2020. J Dig Dis 2021; 22:376-389. [PMID: 34105263 DOI: 10.1111/1751-2980.13028] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 06/07/2021] [Indexed: 12/11/2022]
Affiliation(s)
- Ying Lian Xiao
- Department of Gastroenterology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Li Ya Zhou
- Department of Gastroenterology, Peking University Third Hospital, Beijing, China
| | - Xiao Hua Hou
- Department of Gastroenterology, Union Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology, Wuhan, Hubei Province, China
| | - Yan Qing Li
- Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
| | - Duo Wu Zou
- Department of Gastroenterology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Min Hu Chen
- Department of Gastroenterology, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China
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Yodice M, Mignucci A, Shah V, Ashley C, Tadros M. Preoperative physiological esophageal assessment for anti-reflux surgery: A guide for surgeons on high-resolution manometry and pH testing. World J Gastroenterol 2021; 27:1751-1769. [PMID: 33967555 PMCID: PMC8072189 DOI: 10.3748/wjg.v27.i16.1751] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 02/18/2021] [Accepted: 03/25/2021] [Indexed: 02/06/2023] Open
Abstract
Gastroesophageal reflux disease (GERD) is one of the most commonly encountered digestive diseases in the world, with the prevalence continuing to increase. Many patients are successfully treated with lifestyle modifications and proton pump inhibitor therapy, but a subset of patients require more aggressive intervention for control of their symptoms. Surgical treatment with fundoplication is a viable option for patients with GERD, as it attempts to improve the integrity of the lower esophageal sphincter (LES). While surgery can be as effective as medical treatment, it can also be associated with side effects such as dysphagia, bloating, and abdominal pain. Therefore, a thorough pre-operative assessment is crucial to select appropriate surgical candidates. Newer technologies are becoming increasingly available to help clinicians identify patients with true LES dysfunction, such as pH-impedance studies and high-resolution manometry (HRM). Pre-operative evaluation should be aimed at confirming the diagnosis of GERD, ruling out any major motility disorders, and selecting appropriate surgical candidates. HRM and pH testing are key tests to consider for patients with GERD like symptoms, and the addition of provocative measures such as straight leg raises and multiple rapid swallows to HRM protocol can assess the presence of underlying hiatal hernias and to test a patient’s peristaltic reserve prior to surgery.
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Affiliation(s)
- Michael Yodice
- Department of Gastroenterology, Albany Medical College, Albany, NY 12208, United States
| | - Alexandra Mignucci
- Department of Gastroenterology, Albany Medical College, Albany, NY 12208, United States
| | - Virali Shah
- Department of Gastroenterology, Albany Medical College, Albany, NY 12208, United States
| | - Christopher Ashley
- Section of Gastroenterology, Stratton VA Medical Center, Albany, NY 12208, United States
| | - Micheal Tadros
- Department of Gastroenterology, Albany Medical Center, Schenectady, NY 12309, United States
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Yadlapati R, Kaizer A, Greytak M, Ezekewe E, Simon V, Wani S. Diagnostic performance of salivary pepsin for gastroesophageal reflux disease. Dis Esophagus 2021; 34:5974938. [PMID: 33180095 PMCID: PMC9989599 DOI: 10.1093/dote/doaa117] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 10/07/2020] [Indexed: 12/11/2022]
Abstract
Uncertain diagnostic performance has limited clinical adoption of salivary pepsin, a noninvasive diagnostic tool for gastroesophageal reflux disease (GERD). This study aimed to assess diagnostic performance of salivary pepsin, and test validity of thresholds in an external cohort of patients with or without GERD. This two-phase prospective study conducted at two centers enrolled adult asymptomatic volunteers, patients with symptoms of GERD undergoing reflux monitoring, and patients with Barrett's esophagus (BE). Fasting saliva samples were processed for pepsin concentration using Peptest. Phase 1 compared pepsin concentration between No GERD (volunteers/functional heartburn) and GERD (erosive reflux disease/nonerosive reflux disease (NERD)/BE). Phase 2 tested validity of the diagnostic thresholds identified from Phase 1 among external functional heartburn and NERD cohorts. Of 243 enrolled subjects, 156 met inclusion criteria. Phase 1 (n = 114): Pepsin concentrations were significantly higher in GERD (n = 84) versus No GERD (n = 30) (73.8 ng/mL vs. 21.1 ng/mL; P < 0.001). Area under the curve for pepsin concentration was 0.74 (95% CI 0.65, 0.83). A salivary pepsin threshold of 24.9 ng/mL optimized the true negative rate and 100.0 ng/mL optimized the true positive rate. Phase 2 (n = 42): Pepsin concentrations were significantly higher in NERD (n = 22) versus Functional Heartburn (n = 20) (176.0 ng/mL vs. 53.3 ng/mL, P < 0.001). Applying Phase 1 thresholds in this external cohort, salivary pepsin 24.9 ng/mL was 86% sensitive (64%, 97%) and 100.0 ng/mL was 72% specific for distinguishing NERD from functional heartburn. Given modest sensitivity and specificity for GERD, salivary pepsin may have clinical utility as a noninvasive office based diagnostic screening tool for GERD.
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Affiliation(s)
- Rena Yadlapati
- Division of Gastroenterology, University of California, San Diego School of Medicine, La Jolla, CA, USA
| | - Alexander Kaizer
- University of Colorado, Anschutz Medical Campus, Colorado School of Public Health, Department of Biostatistics and Informatics, Aurora, CO, USA
| | - Madeline Greytak
- Division of Gastroenterology, University of California, San Diego School of Medicine, La Jolla, CA, USA
| | - Eze Ezekewe
- Division of Gastroenterology & Hepatology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Violette Simon
- Division of Gastroenterology & Hepatology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Sachin Wani
- Division of Gastroenterology & Hepatology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
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27
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Kim SY, Jung HK, Lee HA. Normal acid exposure time in esophageal pH monitoring in Asian and Western populations: A systematic review and meta-analysis. Neurogastroenterol Motil 2021; 33:e14029. [PMID: 33377596 DOI: 10.1111/nmo.14029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 10/07/2020] [Accepted: 10/16/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Esophageal acid exposure time (AET) during 24 h pH monitoring is reproducible and predictive outcomes of treatment for gastroesophageal reflux disease. Several small Asian studies have investigated the normal range of the AET; the range may be different from that in Western populations. We evaluated its normal range in healthy Asian compared to Western subjects. METHODS We searched PubMed, Embase, Cochrane Library, and KoreaMed for studies that reported pH monitoring parameters in healthy subjects. Studies that reported the AET values of healthy subjects were eligible for the analyses. The upper limit of normal of the AET was obtained from the 95th percentile of the available raw data or calculated as the mean value +2 standard deviations. KEY RESULTS Nineteen Asian and 49 Western studies were assessed. The estimated AET values were analyzed using a bootstrapping technique, weighted according to the sample size. The mean AET was 1.1% and 2.9% in the Asian and Western populations, respectively. The upper limit of the reference range was 3.2% (95% confidence interval [CI], 2.7-3.9%) and 8.2 (95% CI, 6.7-9.9) in the Asian and Western populations, respectively. The normal AET differed between the Asian and Western populations because the CI of the two groups did not overlap. CONCLUSIONS & INFERENCES The upper limit of normal of the AET in healthy Asian subjects was 3.2% (95% CI, 2.7-3.9%), which was lower than that of healthy Western subjects.
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Affiliation(s)
- Seung Young Kim
- Department of Internal Medicine, College of Medicine, Korea University, Seoul, Korea
| | - Hye-Kyung Jung
- Department of Internal Medicine, College of Medicine, Ewha Woman's University, Seoul, Korea
| | - Hye Ah Lee
- Clinical Trial Center, Mokdong Hospital, Ewha Woman's University, Seoul, Korea
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28
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Grechenig M, Gruber R, Weitzendorfer M, von Rahden BHA, Widmann B, Emmanuel K, Koch O. [Reflux Symptoms - No Difference in Severity and Intensity in Patients with and without Functional Verified Gastroesophageal Reflux Disease]. Zentralbl Chir 2021; 146:170-175. [PMID: 33556980 DOI: 10.1055/a-1333-3910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
BACKGROUND Patients with gastroesophageal reflux disease (GERD) often suffer greatly from their symptoms. The aim of this study was to determine if there is a difference in quality of life and gastrointestinal symptom complexes between patients with purely functional complaints and patients with objective GERD. MATERIAL AND METHODS We included all patients with typical reflux symptoms, who had a GERD examination in 2017 at our department. All patients underwent high resolution manometry, 24-h-pH-metry impedance measurement and gastroscopy. Quality of life was assessed using the Gastrointestinal Quality of Life Index (GIQLI) and gastrointestinal symptoms were rated by a symptom checklist (SCL), assessing the severity and intensity of 14 different symptoms. Based on the results of the 24-h-pH-metry impedance measurement, patients were divided into 2 groups: patients with functional reflux symptoms and patients with true GERD. These two groups were compared. RESULTS Complete data were available in 162 patients, of whom 86 (52.2%) were objectively suffering from reflux (DeMeester score mean: 37.85; SD ± 29.11) and 76 (46.1%) had a normal DeMeester score (Mean: 7.01; SD ± 4.09). No significant difference in quality of life was found between the two groups (mean GIQLI of GERD patients: 94.81, SD ± 22.40, and mean GIQLI of patients with functional reflux symptoms: 95.26, SD ± 20.33, p = 0.988). Furthermore, no significant difference could be found in the evaluated symptoms (mean general SCL score of GERD patients: 46.97; SD ± 29.23; patients with functional reflux symptoms: 48.03; SD ± 29.17, p = 0.827). CONCLUSION Patients with functional complaints suffer just as much from their symptoms as patients with objectively diagnosed GERD. Differentiation between gastroesophageal reflux disease and functional reflux symptoms is only possible by means of functional diagnostic testing.
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Affiliation(s)
- Michael Grechenig
- Universitätsklinik für Chirurgie, Landeskrankenhaus Salzburg - Universitätsklinikum der Paracelsus Medizinischen Privatuniversität, Salzburg, Österreich
| | - Ricarda Gruber
- Universitätsklinik für Chirurgie, Landeskrankenhaus Salzburg - Universitätsklinikum der Paracelsus Medizinischen Privatuniversität, Salzburg, Österreich
| | - Michael Weitzendorfer
- Universitätsklinik für Chirurgie, Landeskrankenhaus Salzburg - Universitätsklinikum der Paracelsus Medizinischen Privatuniversität, Salzburg, Österreich
| | - Burkhard H A von Rahden
- Universitätsklinik für Chirurgie, Landeskrankenhaus Salzburg - Universitätsklinikum der Paracelsus Medizinischen Privatuniversität, Salzburg, Österreich
| | - Bernhard Widmann
- Universitätsklinik für Chirurgie, Landeskrankenhaus Salzburg - Universitätsklinikum der Paracelsus Medizinischen Privatuniversität, Salzburg, Österreich.,Abteilung für Chirurgie, Kantonsspital St Gallen, Schweiz
| | - Klaus Emmanuel
- Universitätsklinik für Chirurgie, Landeskrankenhaus Salzburg - Universitätsklinikum der Paracelsus Medizinischen Privatuniversität, Salzburg, Österreich
| | - Oliver Koch
- Universitätsklinik für Chirurgie, Landeskrankenhaus Salzburg - Universitätsklinikum der Paracelsus Medizinischen Privatuniversität, Salzburg, Österreich
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29
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Savarino V, Marabotto E, Zentilin P, Demarzo MG, Pellegatta G, Frazzoni M, De Bortoli N, Tolone S, Giannini EG, Savarino E. Esophageal reflux hypersensitivity: Non-GERD or still GERD? Dig Liver Dis 2020; 52:1413-1420. [PMID: 33097427 DOI: 10.1016/j.dld.2020.10.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/29/2020] [Accepted: 10/01/2020] [Indexed: 12/11/2022]
Abstract
The most recent iteration of the classifications for functional esophageal disorders, Rome IV, proposed relevant modifications of the previous definitions for Rome III. They specifically considered increased esophageal acid exposure as the marker of gastroesophageal reflux disease (GERD), including the remaining part of non-erosive reflux disease patients with normal acid in the group with functional alterations, considering both reflux hypersensitivity and functional heartburn. However, recent pathophysiological and therapeutic data suggest the need for a return to including reflux hypersensitivity in the GERD spectrum. Indeed, physiologic alterations in esophageal mucosal integrity and chemical clearance, the presence of microscopic esophagitis, and strict symptom-reflux association support the concept that reflux hypersensitivity pertains to GERD. Surgical anti-reflux therapy has resulted in positive outcomes, even in the long term, in patients with reflux hypersensitivity and not in those with functional heartburn. Moreover, clinical trials using neuromodulators have been scarce and provided conflicting results. As a result, the real progress of the Rome IV classifications is in dispute. This article aims to summarize the most recent knowledge of non-erosive reflux disease and reflux hypersensitivity to discuss the utility of Rome IV criteria in the identification and management of functional esophageal disorders.
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Affiliation(s)
- Vincenzo Savarino
- Gastroenterology Unit, Department of Internal Medicine, University of Genoa, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Elisa Marabotto
- Gastroenterology Unit, Department of Internal Medicine, University of Genoa, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Patrizia Zentilin
- Gastroenterology Unit, Department of Internal Medicine, University of Genoa, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Maria Giulia Demarzo
- Gastroenterology Unit, Department of Internal Medicine, University of Genoa, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Gaia Pellegatta
- Digestive Endoscopy Unit, Division of Gastroenterology, Humanitas, Rozzano, Milan, Italy
| | - Marzio Frazzoni
- Digestive Pathophysiology Unit, Baggiovara Hospital, Modena, Italy
| | - Nicola De Bortoli
- Department of Translational Research and New Technology in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Salvatore Tolone
- General and Bariatric Surgery Unit, Department of Surgery, Università della Campania Luigi Vanvitelli, Naples, Italy
| | - Edoardo Giovanni Giannini
- Gastroenterology Unit, Department of Internal Medicine, University of Genoa, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Edoardo Savarino
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy.
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30
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Saracco M, Savarino V, Bodini G, Saracco GM, Pellicano R. Gastroesophageal reflux disease: key messages for clinicians. Minerva Gastroenterol (Torino) 2020; 67:390-403. [PMID: 33103406 DOI: 10.23736/s2724-5985.20.02783-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Gastroesophageal reflux disease (GERD) is a chronic common disorder for which patients often refer to specialists. In the last decades, numerous studies helped to clarify the pathophysiology and the natural history of this disease. Currently, in the clinical setting, GERD is defined by the presence of symptoms that, when endoscopic investigation is required, permit to distinguish between cases with or without associated esophageal mucosal injuries. These conditions are called erosive reflux disease and non-erosive reflux disease (NERD), respectively. The latter is the most common manifestation of GERD. Symptoms are defined typical, as heartburn and regurgitation, and atypical (also called extra-esophageal), as coughing and/or wheezing, hoarseness, sore throat, otitis media, and dental manifestations. In this context, it is crucial for clinicians to investigate the presence of features of suspected malignancy, as unexplained weight loss, anemia, dysphagia, persistent vomiting, familiar history of cancer, long history of GERD, and beginning of GERD symptoms after the age of 50 years. The presence of these risk factors should induce to perform an endoscopic examination. Particular attention should be given to functional conditions that can mimic GERD, such as functional heartburn and hypersensitive esophagus as well as, more rarely, eosinophilic esophagitis. The former ones have different pathophysiology and this explains the frequent non-response to proton pump inhibitor drugs. This narrative review provides to clinicians a useful and practical overview of the state-of-the-art on advancements in the knowledge of GERD.
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Affiliation(s)
| | | | - Giorgia Bodini
- Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Giorgio M Saracco
- Department of Medical Sciences, University of Turin, Turin, Italy.,Unit of Gastroenterology, Molinette Hospital, Turin, Italy
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31
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Chapelle N, Ben Ghezala I, Barkun A, Bardou M. The pharmacotherapeutic management of gastroesophageal reflux disease (GERD). Expert Opin Pharmacother 2020; 22:219-227. [PMID: 32893683 DOI: 10.1080/14656566.2020.1817385] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Gastroesophageal reflux disease (GERD) is a very common worldwide condition, affecting about 15-20% of the whole population, and representing a major burden for health-care systems. Because of its frequency, health physicians - family doctors as well as specialists - should be aware of the different pharmacotherapeutic approaches in managing GERD, according to disease severity. AREAS COVERED Authors summarize the pharmacological management of GERD in adults, present the different pharmaceutical classes, and review the evidence on efficacy for each treatment according to the most common clinical scenarios: non-erosive gastroesophageal reflux disease (NERD), erosive esophagitis (EE), and proton-pump inhibitor (PPI) refractory GERD. They also provide an overview of treatments under development. EXPERT OPINION To date, PPIs remain the most effective treatment option for both NERD and EE. However, Potassium-Competitive Acid blockers (PCAB) may be considered, with at least similar efficacy in Asian populations. Preliminary data suggest that PCABs could be superior to classic PPIs in patients with severe EE, and may also be of particular interest in the management of PPI-refractory GERD patients. Their definitive role in GERD management, however, still remains to be determined based on properly designed and conducted randomized clinical trials.
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Affiliation(s)
- Nicolas Chapelle
- Institut des Maladies de l'Appareil Digestif, Service de Gastroentérologie, Oncologie Digestive et Assistance Nutritionnelle , Nantes, France
| | - Ines Ben Ghezala
- Centre d'Investigations Cliniques CIC1432, CHU de Dijon , Dijon, France
| | - Alan Barkun
- Gastroenterology Department, McGill University , Montreal, Canada
| | - Marc Bardou
- Centre d'Investigations Cliniques CIC1432, CHU de Dijon , Dijon, France.,Gastroenterology Department, CHU de Dijon , Dijon, France
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32
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Abstract
Esophageal symptoms are common and may indicate the presence of gastroesophageal reflux disease (GERD), structural processes, motor dysfunction, behavioral conditions, or functional disorders. Esophageal physiologic tests are often performed when initial endoscopic evaluation is unrevealing, especially when symptoms persist despite empiric management. Commonly used esophageal physiologic tests include esophageal manometry, ambulatory reflux monitoring, and barium esophagram. Functional lumen imaging probe (FLIP) has recently been approved for the evaluation of esophageal pressure and dimensions using volumetric distension of a catheter-mounted balloon and as an adjunctive test for the evaluation of symptoms suggestive of motor dysfunction. Targeted utilization of esophageal physiologic tests can lead to definitive diagnosis of esophageal disorders but can also help rule out organic disorders while making a diagnosis of functional esophageal disorders. Esophageal physiologic tests can evaluate obstructive symptoms (dysphagia and regurgitation), typical and atypical GERD symptoms, and behavioral symptoms (belching and rumination). Certain parameters from esophageal physiologic tests can help guide the management of GERD and predict outcomes. In this ACG clinical guideline, we used the Grading of Recommendations Assessment, Development and Evaluation process to describe performance characteristics and clinical value of esophageal physiologic tests and provide recommendations for their utilization in routine clinical practice.
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33
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Extra-Esophageal Presentation of Gastroesophageal Reflux Disease: 2020 Update. J Clin Med 2020; 9:jcm9082559. [PMID: 32784573 PMCID: PMC7465150 DOI: 10.3390/jcm9082559] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/04/2020] [Accepted: 08/05/2020] [Indexed: 02/07/2023] Open
Abstract
Gastroesophageal reflux disease (GERD) is defined by the presence of symptoms induced by the reflux of the stomach contents into the esophagus. Although clinical manifestations of GERD typically involve the esophagus, extra-esophageal manifestations are widespread and less known. In this review, we discuss extra-esophageal manifestations of GERD, focusing on clinical presentations, diagnosis, and treatment. Common extra-esophageal manifestations of GERD include chronic cough, asthma, laryngitis, dental erosions, and gingivitis. Extra-esophageal involvement can be present also when classic GERD symptoms are absent, making the diagnosis more challenging. Although available clinical studies are heterogeneous and frequently of low quality, a trial with proton pump inhibitors can be suggested as a first-line diagnostic strategy in case of suspected extra-esophageal manifestations of GERD.
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34
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Wu TC, Lu CN, Hu WL, Wu KL, Chiang JY, Sheen JM, Hung YC. Tongue diagnosis indices for gastroesophageal reflux disease: A cross-sectional, case-controlled observational study. Medicine (Baltimore) 2020; 99:e20471. [PMID: 32702810 PMCID: PMC7373596 DOI: 10.1097/md.0000000000020471] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Traditional Chinese medicine tongue diagnosis can mirror the status of the internal organ, but evidence is lacking regarding the accuracy of tongue diagnosis to gastroesophageal reflux disease (GERD). This study was to investigate the association between GERD and tongue manifestation, and whether tongue imaging could be initial diagnosis of GERD noninvasively.We conducted a cross-sectional, case-controlled observational study at Kaohsiung Chang Gung Memorial Hospital in Taiwan from January 2016 to September 2017. Participants aged over 20 years old with GERD were enrolled and control group without GERD were matched by sex. Tongue imaging were acquired with automatic tongue diagnosis system, then followed by endoscope examination. Nine tongue features were extracted, and a receiver operating characteristic (ROC) curve, analysis of variance, and logistic regression were used.Each group enrolled 67 participants. We found that the saliva amount (P = .009) and thickness of the tongue's fur (P = .036), especially that in the spleen-stomach area (%) (P = .029), were significantly greater in patients with GERD than in those without. The areas under the ROC curve of the amount of saliva and tongue fur in the spleen-stomach area (%) were 0.606 ± 0.049 and 0.615 ± 0.050, respectively. Additionally, as the value of the amount of saliva and tongue fur in the spleen-stomach area (%) increased, the risk of GERD rose by 3.621 and 1.019 times, respectively. The tongue fur in the spleen-stomach area (%) related to severity of GERD from grade 0 to greater than grade B were 51.67 ± 18.72, 58.10 ± 24.60, and 67.29 ± 24.84, respectively.The amount of saliva and tongue fur in the spleen-stomach area (%) might predict the risk and severity of GERD and might be noninvasive indicators of GERD. Further large-scale, multi-center, randomized investigations are needed to confirm the results.Trial registration: NCT03258216, registered August 23, 2017.
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Affiliation(s)
- Tzu-Chan Wu
- Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine
| | - Cheng-Nan Lu
- Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine
| | - Wen-Long Hu
- Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine
- Fooyin University College of Nursing, Kaohsiung
- Kaohsiung Medical University College of Medicine
| | - Keng-Liang Wu
- Division of Hepatogastroenterology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University, College of Medicine
| | - John Y. Chiang
- Department of Computer Science and Engineering, National Sun Yat-sen University, Taiwan
| | - Jer-Ming Sheen
- Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine
| | - Yu-Chiang Hung
- Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine
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35
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Ghisa M, Barberio B, Savarino V, Marabotto E, Ribolsi M, Bodini G, Zingone F, Frazzoni M, Savarino E. The Lyon Consensus: Does It Differ From the Previous Ones? J Neurogastroenterol Motil 2020; 26:311-321. [PMID: 32606254 PMCID: PMC7329153 DOI: 10.5056/jnm20046] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 04/21/2020] [Indexed: 12/13/2022] Open
Abstract
Gastroesophageal reflux disease (GERD) is a complex disorder with heterogeneous symptoms and a multifaceted pathogenetic basis, which prevent a simple diagnostic algorithm or any categorical classification. Clinical history, questionnaires and response to proton pump inhibitor (PPI) therapy are insufficient tools to make a conclusive diagnosis of GERD and further investigations are frequently required. The Lyon Consensus goes beyond the previous classifications and defines endoscopic and functional parameters able to establish the presence of GERD. Evidences for reflux include high-grade erosive esophagitis, Barrett’s esophagus, and peptic strictures at endoscopy as well as esophageal acid exposure time > 6% on pH-metry or combined pH-impedance monitoring. Even if a normal endoscopy does not exclude GERD, its combination with distal acid exposure time < 4% on off-PPI pH-impedance monitoring provides sufficient evidence refuting this diagnosis. Reflux-symptom association on pH-monitoring provides supportive evidence for reflux-triggered symptoms and may predict a better treatment outcome, when present. Also recommendations to perform pH-impedance “on” or “off” PPI are well depicted. When endoscopy and pH-metry or combined pH-impedance monitoring are inconclusive, adjunctive evidence from biopsy findings (eg, microscopic esophagitis), high-resolution manometry (ie, ineffective esophagogastric barrier and esophageal body hypomotility), and novel impedance metrics, such as mean nocturnal baseline impedance and post-reflux swallow-induced peristaltic wave index, can contribute to better identify patients with GERD. Definition of individual patient phenotype, based on the level of refluxate exposure, mechanism of reflux, efficacy of clearance, underlying anatomy of the esophagogastric junction, and clinical presentation, will lead to manage GERD patients with a tailored approach chosen among different types of therapy.
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Affiliation(s)
- Matteo Ghisa
- Division of Gastroenterology, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Brigida Barberio
- Division of Gastroenterology, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | - Vincenzo Savarino
- Division of Gastroenterology, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Elisa Marabotto
- Division of Gastroenterology, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Mentore Ribolsi
- Unit of Gastroenterology, Campus Bio-Medico University, Rome, Italy
| | - Giorgia Bodini
- Division of Gastroenterology, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Fabiana Zingone
- Division of Gastroenterology, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
| | | | - Edoardo Savarino
- Division of Gastroenterology, Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy
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Ang D, Lee Y, Clarke JO, Lynch K, Guillaume A, Onyimba F, Kamal A, Gyawali CP. Diagnosis of gastroesophageal reflux: an update on current and emerging modalities. Ann N Y Acad Sci 2020; 1481:154-169. [DOI: 10.1111/nyas.14369] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/17/2020] [Accepted: 04/22/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Daphne Ang
- Department of Gastroenterology Changi General Hospital Singapore Singapore
| | - Yeong‐Yeh Lee
- Department of Gastroenterology, Hepatology and Internal Medicine, School of Medical Sciences Universiti Sains Malaysia Kota Bharu Malaysia
- Gut Research Group, Faculty of Medicine National University of Malaysia Kuala Lumpur Malaysia
- St George and Sutherland Clinical School University of New South Wales Sydney New South Wales Australia
| | - John O. Clarke
- Division of Gastroenterology and Hepatology Stanford University Stanford California
| | - Kristle Lynch
- Division of Gastroenterology, Department of Medicine Hospital of the University of Pennsylvania, University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania
| | - Alexandra Guillaume
- Division of Gastroenterology and Hepatology, Stony Brook Medicine Stony Brook University Hospital Stony Brook New York
| | - Frances Onyimba
- Division of Gastroenterology and Hepatology University of Maryland School of Medicine Baltimore Maryland
| | - Afrin Kamal
- Division of Gastroenterology and Hepatology Stanford University Stanford California
| | - C. Prakash Gyawali
- Division of Gastroenterology Washington University School of Medicine St. Louis Missouri
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Yalcin A, Taydas O, Koc U, Aydinli O. Ultrasonographic measurement of the thickness of cervical oesophagus layers in the reflux oesophagitis: Association with clinical findings. SONOGRAPHY 2020. [DOI: 10.1002/sono.12221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ahmet Yalcin
- Department of Radiology, Faculty of MedicineErzincan Binali Yildirim University Erzincan Turkey
| | - Onur Taydas
- Sakarya University Faculty of Medicine Sakarya Turkey
| | - Ural Koc
- Ankara Golbası Sehit Ahmet Ozsoy State Hospital Ankara Turkey
| | - Onur Aydinli
- Department of Gastroenterology, Faculty of MedicineErzincan Binali Yildirim University Erzincan Turkey
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Savarino V, Marabotto E, Zentilin P, Furnari M, Bodini G, De Maria C, Tolone S, De Bortoli N, Frazzoni M, Savarino E. Pathophysiology, diagnosis, and pharmacological treatment of gastro-esophageal reflux disease. Expert Rev Clin Pharmacol 2020; 13:437-449. [PMID: 32253948 DOI: 10.1080/17512433.2020.1752664] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Gastro-esophageal reflux disease (GERD) is a highly prevalent, chronic, relapsing disorder, whose knowledge has increased in last years thanks to the advent of new sophisticated techniques, such as 24-h impedance-pH monitoring and high-resolution manometry, for the study of esophageal functions. AREAS COVERED This review provides an overview of our advancements in understanding the complex pathophysiology, improving the diagnosis and defining the modern pharmacological therapeutic approach to GERD. EXPERT OPINION The growing clinical application of impedance-pH testing has allowed us to know the diversity of patients with non-erosive reflux disease (NERD), who nowadays represent about 70% of the whole population with reflux symptoms. We have realized that NERD has to be considered as an umbrella term covering various subgroups with different pathophysiologies. The development of new impedance metrics, in particular mean nocturnal baseline impedance, seems to be promising in the improvement of the diagnostic process of this disease. There are no particularly innovative features in the pharmacological therapy of GERD, unless the interest toward drugs is able to increase the defense properties of esophageal mucosa and/or its protection. These compounds can be of help in combination with proton pump inhibitors in NERD patients with partial response to antisecretory drugs alone.
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Affiliation(s)
| | - Elisa Marabotto
- Department of Internal Medicine, University of Genoa , Genoa, Italy
| | | | - Manuele Furnari
- Department of Internal Medicine, University of Genoa , Genoa, Italy
| | - Giorgia Bodini
- Department of Internal Medicine, University of Genoa , Genoa, Italy
| | | | - Salvatore Tolone
- Department of Surgery, University of Campania "Luigi Vanvitelli" , Naples, Italy
| | - Nicola De Bortoli
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa , Pisa, Italy
| | - Marzio Frazzoni
- Department of Gastroenterology, Gastroenterology Digestive Pathophysiology Unit, Baggiovara Hospital , Modena, Italy
| | - Edoardo Savarino
- Department of Surgery, Oncology and Gastroenterology, University of Padua , Padua, Italy
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Dunn C, Bildzukewicz N, Lipham J. Magnetic Sphincter Augmentation for Gastroesophageal Reflux Disease. Gastrointest Endosc Clin N Am 2020; 30:325-342. [PMID: 32146949 DOI: 10.1016/j.giec.2019.12.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Magnetic sphincter augmentation is an effective and safe surgical method for the treatment of gastroesophageal reflux disease (GERD). The device has been compared with twice-daily proton pump inhibitor therapy and laparoscopic fundoplication (in randomized trials and prospective cohort studies, respectively). Magnetic sphincter augmentation was superior to medical therapy and equivalent to surgery for the relief of GERD symptoms. Recent research focuses on implanting the device into more complex patients, such as those with larger hiatal hernias or those with Barrett's esophagus. Additional novel research topics include cost analysis and predicting and minimizing postoperative dysphagia.
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Affiliation(s)
- Colin Dunn
- General Surgery Rutgers NJMS, 185 South Orange Avenue, Medical Science Building, Room G 594, Newark, NJ 07101, USA
| | - Nikolai Bildzukewicz
- The Advanced GI/MIS Fellowship, Keck Medical Center of USC, 1510 San Pablo Street, HCC I, Suite 514, Los Angeles, CA 90033-4612, USA
| | - John Lipham
- Upper GI Cancer, Keck Medical Center of USC, 1510 San Pablo Street, HCC I, Suite 514, Los Angeles, CA 90033-4612, USA.
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Jarbøl DE, Lykkegaard J, Hansen JM, Munck A, Haastrup PF. Prescribing of proton-pump inhibitors: auditing the management and reasons for prescribing in Danish general practice. Fam Pract 2019; 36:758-764. [PMID: 31165863 DOI: 10.1093/fampra/cmz025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Prescribing of proton-pump inhibitors has substantially increased. Information from clinical settings is warranted to gain insight into reasons for prescribing. AIM To investigate Danish General Practitioners' management and reasons for prescribing of proton-pump inhibitors and to identify areas for quality improvement. METHODS All general practitioners in the Region of Southern Denmark and their staff were invited to participate in a 4-week audit on all contacts with patients prescribed proton-pump inhibitors. For each contact, patient characteristics, treatment duration, dose and causes of treatment, previous gastroscopy, Helicobacter pylori test, and decision about future treatment were recorded. RESULTS A total of 51 general practitioners and 47 staff members sampled information about 1101 and 741 patients, respectively. Proton-pump inhibitors had been taken for more than 2 years in 58% of the cases, and 64% of the patients used it daily. Treatment was based on an appropriate reason in three of the four patients, most often due to acid-related symptoms. No gastroscopy had been performed in 46% of the patients, and one of four had had a consultation with the general practitioner regarding proton-pump inhibitor within the last year. CONCLUSION Most patients treated with proton-pump inhibitors are treated daily, on a long-term basis, and due to symptoms. Few consultations led to alterations in treatment, and only 25% of patients had a consultation regarding proton-pump inhibitor treatment with their general practitioner within the last year. Substantial variability between general practitioners with regard to management was detected.
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Affiliation(s)
- Dorte E Jarbøl
- Research Unit of General Practice, Department of Public Health, University of Southern Denmark, Sønderborg, Denmark
| | - Jesper Lykkegaard
- Research Unit of General Practice, Department of Public Health, University of Southern Denmark, Sønderborg, Denmark.,Audit Project Odense, Research Unit of General Practice, Odense, Denmark
| | | | - Anders Munck
- Audit Project Odense, Research Unit of General Practice, Odense, Denmark
| | - Peter F Haastrup
- Research Unit of General Practice, Department of Public Health, University of Southern Denmark, Sønderborg, Denmark
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Bhatia SJ, Makharia GK, Abraham P, Bhat N, Kumar A, Reddy DN, Ghoshal UC, Ahuja V, Rao GV, Devadas K, Dutta AK, Jain A, Kedia S, Dama R, Kalapala R, Alvares JF, Dadhich S, Dixit VK, Goenka MK, Goswami BD, Issar SK, Leelakrishnan V, Mallath MK, Mathew P, Mathew P, Nandwani S, Pai CG, Peter L, Prasad AVS, Singh D, Sodhi JS, Sud R, Venkataraman J, Midha V, Bapaye A, Dutta U, Jain AK, Kochhar R, Puri AS, Singh SP, Shimpi L, Sood A, Wadhwa RT. Indian consensus on gastroesophageal reflux disease in adults: A position statement of the Indian Society of Gastroenterology. Indian J Gastroenterol 2019; 38:411-440. [PMID: 31802441 DOI: 10.1007/s12664-019-00979-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Accepted: 07/17/2019] [Indexed: 02/06/2023]
Abstract
The Indian Society of Gastroenterology developed this evidence-based practice guideline for management of gastroesophageal reflux disease (GERD) in adults. A modified Delphi process was used to develop this consensus containing 58 statements, which were generated by electronic voting iteration as well as face-to-face meeting and review of the supporting literature primarily from India. These statements include 10 on epidemiology, 8 on clinical presentation, 10 on investigations, 23 on treatment (including medical, endoscopic, and surgical modalities), and 7 on complications of GERD. When the proportion of those who voted either to accept completely or with minor reservation was 80% or higher, the statement was regarded as accepted. The prevalence of GERD in India ranges from 7.6% to 30%, being < 10% in most population studies, and higher in cohort studies. The dietary factors associated with GERD include use of spices and non-vegetarian food. Helicobacter pylori is thought to have a negative relation with GERD; H. pylori negative patients have higher grade of symptoms of GERD and esophagitis. Less than 10% of GERD patients in India have erosive esophagitis. In patients with occasional or mild symptoms, antacids and histamine H2 receptor blockers (H2RAs) may be used, and proton pump inhibitors (PPI) should be used in patients with frequent or severe symptoms. Prokinetics have limited proven role in management of GERD.
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Affiliation(s)
- Shobna J Bhatia
- Seth GS Medical College and KEM Hospital, Mumbai, 400 012, India.
| | | | - Philip Abraham
- P D Hinduja Hospital and MRC, and Hinduja Heathcare Surgical, Mumbai, 400 016, India
| | - Naresh Bhat
- Aster CMI Hospital, Bengaluru, 560 092, India
| | - Ajay Kumar
- Fortis Escorts Liver and Digestive Diseases Institute, Delhi, 110 025, India
| | | | - Uday C Ghoshal
- Department of Gastroenterology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226 014, India
| | - Vineet Ahuja
- All India Institute of Medical Sciences, New Delhi, 110 029, India
| | - G Venkat Rao
- Asian Institute of Gastroenterology, Hyderabad, 500 082, India
| | | | - Amit K Dutta
- Christian Medical College, Vellore, 632 004, India
| | - Abhinav Jain
- Seth GS Medical College and KEM Hospital, Mumbai, 400 012, India
| | - Saurabh Kedia
- All India Institute of Medical Sciences, New Delhi, 110 029, India
| | - Rohit Dama
- Asian Institute of Gastroenterology, Hyderabad, 500 082, India
| | - Rakesh Kalapala
- Asian Institute of Gastroenterology, Hyderabad, 500 082, India
| | | | | | - Vinod Kumar Dixit
- Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221 005, India
| | | | - B D Goswami
- Gauhati Medical College, Dispur Hospitals, Guwahati, 781 032, India
| | - Sanjeev K Issar
- JLN Hospital and Research Center, Bhilai Steel Plant, Bhilai, 490 009, India
| | | | | | | | - Praveen Mathew
- Vydehi Institute of Medical Sciences and Research Centre, Bengaluru, 560 066, India
| | | | - Cannanore Ganesh Pai
- Kasturba Medical College, Manipal Academy of Higher Education, Manipal, 576 104, India
| | | | - A V Siva Prasad
- Institute of Gastroenterology, Visakhapatnam, 530 002, India
| | | | | | - Randhir Sud
- Medanta - The Medicity, Gurugram, 122 001, India
| | | | - Vandana Midha
- Dayanand Medical College and Hospital, Ludhiana, 141 001, India
| | - Amol Bapaye
- Deenanath Mangeshkar Hospital and Research Center, Pune, 411 004, India
| | - Usha Dutta
- Postgraduate Institute of Medical Education and Research, Chandigarh, 160 012, India
| | - Ajay K Jain
- Choithram Hospital and Research Centre, Indore, 452 014, India
| | - Rakesh Kochhar
- Postgraduate Institute of Medical Education and Research, Chandigarh, 160 012, India
| | | | | | | | - Ajit Sood
- Dayanand Medical College and Hospital, Ludhiana, 141 001, India
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Garbarino S, Horton A, Patel A. The Utility of Esophageal Motility Testing in Gastroesophageal Reflux Disease (GERD). Curr Gastroenterol Rep 2019; 21:37. [PMID: 31289922 DOI: 10.1007/s11894-019-0704-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
PURPOSE OF REVIEW Here, we discuss how esophageal motor testing plays important roles in patients with suspected gastroesophageal reflux disease (GERD). In addition to guiding appropriate placement of catheters for ambulatory reflux monitoring, esophageal high-resolution manometry (HRM) rules out confounding diagnoses, such as achalasia spectrum disorders, that can present with symptoms similar to that of GERD, but are managed very differently. RECENT FINDINGS HRM performed with impedance in the post-prandial setting (PP-HRIM) can assess for rumination syndrome or supragastric belching, which should be directed towards behavioral interventions. The recent GERD Classification of Motor Function recommends a hierarchical approach, focusing on (1) the esophagogastric junction (EGJ), (2) the esophageal body, and (3) esophageal contraction reserve, which can be assessed with provocative maneuvers at HRM, such as multiple rapid swallows (MRS). This approach can inform the appropriate tailoring of antireflux surgery. Novel esophageal motility metrics, such as the EGJ-contractile integral from HRM, or post-reflux swallow-induced peristaltic wave indices from 24-h pH-impedance monitoring, may also assist with GERD diagnosis. Assessment of esophageal motor function can contribute in a significant manner to the care of patients with suspected GERD, particularly when esophageal symptoms do not improve with antisecretory therapy, and/or when surgical or endoscopic antireflux therapies are under consideration.
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Affiliation(s)
- Stephanie Garbarino
- Division of Gastroenterology, Duke University School of Medicine and the Durham Veterans Affairs Medical Center, 10207 Cerny St, Suite 210, Raleigh, NC, 27617, USA
| | - Anthony Horton
- Division of Gastroenterology, Duke University School of Medicine and the Durham Veterans Affairs Medical Center, 10207 Cerny St, Suite 210, Raleigh, NC, 27617, USA
| | - Amit Patel
- Division of Gastroenterology, Duke University School of Medicine and the Durham Veterans Affairs Medical Center, 10207 Cerny St, Suite 210, Raleigh, NC, 27617, USA.
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Sobrino-Cossío S, Teramoto-Matsubara O, Mateos-Pérez G, Abdo-Francis JM, Tawil J, Olguín-Ramírez C, Orozco-Gamiz A, Galvis-García ES. In search of the grail: A race for acid suppression. REVISTA DE GASTROENTEROLOGIA DE MEXICO (ENGLISH) 2019; 84:344-356. [PMID: 31239096 DOI: 10.1016/j.rgmx.2019.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/26/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Proton pump inhibitors are the reference standards for the treatment of acid-related diseases. Acid suppression in gastroesophageal reflux disease is associated with a high rate of mucosal cicatrization, but symptom response differs among endoscopic phenotypes. Extraesophageal manifestations have a good clinical response in patients that present with abnormal acid exposure (diagnostic test) in the esophagus. Proton pump inhibitors have shown their effectiveness for reducing symptom intensity in nighttime reflux and sleep disorders, improving quality of life and work productivity. That can sometimes be achieved through dose modifications by splitting or increasing the dose, or through galenic formulation. Proton pump inhibitors are not exempt from controversial aspects related to associated adverse events. Technological development is directed at improving proton pump inhibitor performance through increasing the half-life, maximum concentration, and area under the curve of the plasma concentrations through galenic formulation, as well as creating safer and more tolerable drugs. The present review is focused on the mechanisms of action, pharmacokinetic properties, and technological advances for increasing the pharmacologic performance of a proton pump inhibitor.
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Affiliation(s)
- S Sobrino-Cossío
- Hospital Ángeles del Pedregal, Ciudad de México, México; Gástrica, Centro Avanzado en Endoscopia y Estudios Funcionales, Ciudad de México, México.
| | - O Teramoto-Matsubara
- Gástrica, Centro Avanzado en Endoscopia y Estudios Funcionales, Ciudad de México, México; Centro Médico ABC, Ciudad de México, México
| | - G Mateos-Pérez
- Hospital Ángeles del Pedregal, Ciudad de México, México; Hospital Ángeles Acoxpa, Ciudad de México, México
| | - J M Abdo-Francis
- Gástrica, Centro Avanzado en Endoscopia y Estudios Funcionales, Ciudad de México, México; Hospital Ángeles Acoxpa, Ciudad de México, México
| | - J Tawil
- Departamento de Trastornos Funcionales Digestivos, Gedyt-Gastroenterología Diagnóstica y Terapéutica, Buenos Aires, Argentina
| | - C Olguín-Ramírez
- Gástrica, Centro Avanzado en Endoscopia y Estudios Funcionales, Ciudad de México, México
| | - A Orozco-Gamiz
- Gastrolab Laboratorio de Fisiología Gastrointestinal, Guadalajara, Jalisco, México
| | - E S Galvis-García
- Gástrica, Centro Avanzado en Endoscopia y Estudios Funcionales, Ciudad de México, México; Hospital General de México «Dr. Eduardo Liceaga», Ciudad de México, México
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Sobrino-Cossío S, Teramoto-Matsubara O, Mateos-Pérez G, Abdo-Francis J, Tawil J, Olguín-Ramírez C, Orozco-Gamiz A, Galvis-García E. In search of the grail: A race for acid suppression. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO (ENGLISH EDITION) 2019. [DOI: 10.1016/j.rgmxen.2019.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Tariq H, Makker J, Ahmed R, Vakde T, Patel H. Frequent Sips of the Water for the Management of Gastroesophageal Reflux Induced Refractory Cough: A Case Report and Review of the Literature. Case Rep Gastrointest Med 2019; 2019:9205259. [PMID: 31275669 PMCID: PMC6582892 DOI: 10.1155/2019/9205259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Accepted: 05/09/2019] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Chronic cough is often associated with gastroesophageal reflux disease (GERD). The role of gastroenterologist in the management of the chronic cough is to identify and manage GERD. Ineffective esophageal motility is often associated with GERD induced cough. Chronic cough is often refractory to medical and surgical management despite adequate acid control. Unresponsiveness warrants a thorough pulmonary evaluation. The pathophysiology of refractory cough in these patients is poorly understood, and hence management is often challenging. CASE PRESENTATION A 75-year-old woman from Ghana was evaluated for GERD associated chronic cough. A 48-hour ambulatory pH study revealed acid exposure of 4.9% and high-resolution manometry showed decreased lower esophageal sphincter pressure, an inadequate response to medical and surgical management of GERD. Postfundoplication ambulatory pH testing demonstrated well-controlled acid reflux but her cough still persisted. Repeat manometry showed an ineffective motility disorder (IEM). Taking frequent sips of water eventually resolved her chronic cough. CONCLUSION Frequent sips of water can be used in the management of the gastroesophageal reflux and ineffective motility induced cough. It results in increased esophageal clearance of acid, nonacid reflux, and ingested pharyngeal secretions, thus breaking the cycle of cough generated increased intra-abdominal pressure with reflux and more cough.
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Affiliation(s)
- Hassan Tariq
- Department of Medicine, BronxCare Hospital System, Bronx, New York 10457, USA
- Division of Gastroenteorlogy, BronxCare Hospital System, Bronx, New York 10457, USA
| | - Jasbir Makker
- Department of Medicine, BronxCare Hospital System, Bronx, New York 10457, USA
- Division of Gastroenteorlogy, BronxCare Hospital System, Bronx, New York 10457, USA
| | - Rafeeq Ahmed
- Department of Medicine, BronxCare Hospital System, Bronx, New York 10457, USA
- Division of Gastroenteorlogy, BronxCare Hospital System, Bronx, New York 10457, USA
| | - Trupti Vakde
- Department of Medicine, BronxCare Hospital System, Bronx, New York 10457, USA
- Division of Pulmonary and Critical Care Medicine, BronxCare Hospital System, Bronx, New York 10457, USA
| | - Harish Patel
- Department of Medicine, BronxCare Hospital System, Bronx, New York 10457, USA
- Division of Gastroenteorlogy, BronxCare Hospital System, Bronx, New York 10457, USA
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Roark R, Sydor M, Chatila AT, Umar S, Guerra RDL, Bilal M, Guturu P. Management of gastroesophageal reflux disease. Dis Mon 2019; 66:100849. [PMID: 30798984 DOI: 10.1016/j.disamonth.2019.02.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Gastroesophageal reflux disease (GERD) continues to be one of the most prevalent gastrointestinal tract disorders. Management of GERD is individualized for each patient depending on severity of symptoms, complications of GERD and patient/physician preference. The different management options include life style modification, pharmacological therapy, minimally invasive procedures and surgery. The final decision regarding management should be made based on an individualized patient centered approach on a case-by-case basis in consultation with a multidisciplinary team including primary care physician, gastroenterologist and surgeon. We provide a comprehensive review for the management of GERD.
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Affiliation(s)
- Russell Roark
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, TX, United States
| | - Michael Sydor
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, TX, United States
| | - Ahmed T Chatila
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, TX, United States
| | - Shifa Umar
- Division of Gastroenterology, Hepatology & Nutrition, Allegheny Health Network, Pittsburgh, PA, United States
| | - Ramiro De La Guerra
- Department of Internal Medicine, Allegheny Health Network, Pittsburgh, PA, United States
| | - Mohammad Bilal
- Division of Gastroenterology & Hepatology, The University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555, USA.
| | - Praveen Guturu
- Division of Gastroenterology & Hepatology, The University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555, USA
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Chatila AT, Nguyen MTT, Krill T, Roark R, Bilal M, Reep G. Natural history, pathophysiology and evaluation of gastroesophageal reflux disease. Dis Mon 2019; 66:100848. [PMID: 30803725 DOI: 10.1016/j.disamonth.2019.02.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gastroesophageal reflux disease (GERD) is one of the most common diseases encountered by both internists and gastroenterologists. GERD can cause a wide variety of symptoms ranging from heartburn and regurgitation to more atypical symptoms such as cough, chest pain, and hoarseness. The diagnosis is often times made on the basis of history and clinical symptomatology. The prevalence of GERD is currently estimated to be 8-33% with the incidence of disease only expected to increase over time. Although most cases of GERD can be diagnosed based on symptoms and clinical presentation, the diagnosis of GERD can be challenging when symptoms are atypical. In this review, we provide a comprehensive summary of the epidemiology, pathophysiology, evaluation and diagnosis of gastroesophageal reflux disease.
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Affiliation(s)
- Ahmed T Chatila
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, TX, United States
| | - Minh Thu T Nguyen
- The University of Texas Medical Branch School of Medicine, Galveston, TX, United States
| | - Timothy Krill
- Division of Gastroenterology & Hepatology, The University of Texas Medical Branch, Galveston, TX, United States
| | - Russell Roark
- Department of Internal Medicine, The University of Texas Medical Branch, Galveston, TX, United States
| | - Mohammad Bilal
- Division of Gastroenterology & Hepatology, The University of Texas Medical Branch, Galveston, TX, United States.
| | - Gabriel Reep
- Division of Gastroenterology & Hepatology, The University of Texas Medical Branch, Galveston, TX, United States
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Kawami N, Hoshino S, Hoshikawa Y, Takenouchi N, Umezawa M, Hanada Y, Kaise M, Iwakiri K. Pathogenesis of Potassium-Competitive Acid Blocker-Resistant Non-Erosive Reflux Disease. Digestion 2019; 98:194-200. [PMID: 29870976 DOI: 10.1159/000488530] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 03/16/2018] [Indexed: 02/04/2023]
Abstract
BACKGROUND The present study examined the pathogenesis of potassium-competitive acid blocker (P-CAB)-resistant non-erosive reflux disease (NERD). METHODS Forty-three patients with NERD, who had persistent reflux symptoms despite the administration of P-CAB, were included in this study. After excluding eosinophilic esophagitis and primary esophageal motility disorders, esophageal impedance-pH monitoring was performed. In symptom index (SI)-positive patients, the mechanism of SI-positivity and percent time with intragastric pH > 4 and with esophageal pH < 4 were investigated according to the presence or absence of Helicobacter pylori infection. RESULTS One (2.3%) of 43 patients had a primary esophageal motility disorder (Jackhammer esophagus). Eighteen (41.9%) and 3 (7%) patients were SI-positive for liquid and gas-only reflux, respectively, and the remaining 21 patients who were SI-negative (48.8%) had functional heartburn. All patients SI-positive for liquid reflux were SI-positive for weakly acidic reflux. Gastric acid was sufficiently suppressed by P-CAB, regardless of the presence or absence of H. pylori infection. CONCLUSIONS The pathogenesis of -P-CAB-resistant NERD was elucidated in 51% of patients. Symptoms in all patients SI-positive for liquid reflux were related to weakly acidic reflux, and symptoms related to acid reflux may be ruled out by the administration of P-CAB.
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Khalaf F, Albayati S. Gastroesophageal reflux disease questionnaire score and endoscopic findings in patients with gastroesophageal reflux disease. MUSTANSIRIYA MEDICAL JOURNAL 2019. [DOI: 10.4103/mj.mj_8_19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Guo Z, Wu H, Jiang J, Zhang C. Pepsin in Saliva as a Diagnostic Marker for Gastroesophageal Reflux Disease: A Meta-Analysis. Med Sci Monit 2018; 24:9509-9516. [PMID: 30596632 PMCID: PMC6324865 DOI: 10.12659/msm.913978] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Gastroesophageal reflux disease (GERD) is very common. Salivary pepsin detection has previously been considered as a method for GERD diagnosis. We performed a meta-analysis to investigate the utility of salivary pepsin assay as a diagnostic tool of GERD. MATERIAL AND METHODS PubMed, Web of Science, the Cochran Library, and EMBASE (from January 1980 to 23 October 2018) were searched for pepsin in saliva for GERD diagnosis. We summarized the retrieved specificity, sensitivity, negative likelihood ratio (NLR), positive likelihood ratio (PLR), diagnostic odds ratio (DOR), and receiver operating characteristic (ROC) curves data in the meta-analysis. RESULTS In final analysis, a total of 5 studies were included. The summary sensitivity, specificity, NLR, and PLR were 0.60 (95% CI 0.41-0.76), 0.71 (95% CI 0.51-0.86), 0.56 (95% CI 0.34-0.93), and 2.1 (95% CI 1.1-4.1), respectively. The pooled DOR was 4 (95% CI 1.0-11.0) and area under the ROC was 0.70 (95% CI 0.66-0.74). CONCLUSIONS The meta-analysis showed that pepsin in saliva has moderate diagnostic value for GERD, and is not as helpful as previously thought.
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Affiliation(s)
- Zihao Guo
- Department of Gastroenterology, Beijing Tong Ren Hospital, Capital Medical University, Beijing, China (mainland)
| | - Hao Wu
- Department of Cardiovascular, Beijing Tong Ren Hospital, Capital Medical University, Beijing, China (mainland)
| | - Jiali Jiang
- Department of Gastroenterology, Beijing Tong Ren Hospital, Capital Medical University, Beijing, China (mainland)
| | - Chuan Zhang
- Department of Gastroenterology, Beijing Tong Ren Hospital, Capital Medical University, Beijing, China (mainland)
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