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Fulltext Comparing Efficacy and Safety of Empirical vs. Guided Therapy for Non-cardiac Chest Pain: A Pragmatic Randomized Trial

Abdul Kadir NP, Ma ZF, Abdul Hafidz MI, Annamalai C, Jayaraman T, Hamid N, et al.

Front Med (Lausanne), 2021;8:605647.
PMID: 33659261 DOI: 10.3389/fmed.2021.605647

Background: Non-cardiac chest pain is common with two-thirds due to gastroesophageal reflux disease (GERD). Objective: To evaluate the effectiveness and safety of guided vs. empirical therapy in non-cardiac chest pain. Methods: Adults with normal angiogram or stress test were randomized into either a guided or empirical group. In the guided group, after the ambulatory pH-impedance test, if GERD then dexlansoprazole 30 mg/day for 8 weeks, but if functional or hypersensitive chest pain, then theophylline SR 250 mg/day for 4 weeks. In the empirical group, dexlansoprazole 60 mg/day was given for 2 weeks. The primary outcome was global chest pain visual analog score (VAS) and secondary outcomes were Quality of Life in Reflux and Dyspepsia (QOLRAD), GERD questionnaire (GERDQ), and pH parameters, all determined at baseline, 2nd and 8th weeks. Results: Of 200 screened patients, 132 were excluded, and of 68 randomized per-protocol, 33 were in the guided group and 35 in the empirical group. For between-group analysis, mean global pain scores were better with guided vs. empirical group at 8th week (P = 0.005) but not GERDQ or QOLRAD or any of pH measures (all P > 0.05). For within-group analysis, mean QOLRAD improved earliest at 8th week vs. baseline (P = 0.006) in the guided group and 2nd week vs. baseline (P = 0.011) in the empirical group but no differences were seen in other secondary outcomes (P > 0.05). No serious adverse events were reported. Conclusions: Guided approach may be preferred over short-term empirical therapy in symptom response, however QOLRAD, acid-related symptoms, or pH measures are not significantly different (trial registration ID no. NCT03319121).

Matched MeSH terms: Gastroesophageal Reflux
Gastro-oesophageal reflux disease symptoms and associated risk factors among medical students, Saudi Arabia

Atta MM, Sayed MH, Zayed MA, Alsulami SA, Al-Maghrabi AT, Kelantan AY

Int J Gen Med, 2019;12:293-298.
PMID: 31692498 DOI: 10.2147/IJGM.S206995

Background and aims: Gastro-oesophageal reflux disease (GERD) is a common gastrointestinal disease worldwide that is associated with impaired quality of life and higher risk of complications. The identification of risk factors is necessary for preventive measures. The aim of this study is to evaluate the prevalence of GERD symptoms as well as its relation to body mass index (BMI) and other risk factors among medical students of Jeddah and Rabigh branches, King Abdul-Aziz University, Saudi Arabia.
Subjects and methods: A cross-sectional study was conducted at the Faculty of Medicine in Rabigh, King Abdul-Aziz University, Saudi Arabia. The study included 197 medical students from Rabigh and Jeddah branches of the university. The study employed a Gastroesophageal Reflux Disease Questionnaire which is derived from a self-administered validated GERD questionnaire (GerdQ).
Results: The prevalence of GERD symptoms was 25.9%. The most frequent symptoms were regurgitation and burning sensation. High BMI, family history, energy drinks and fried food were found to be statistically significant risk factors (p<0.05) by univariate analysis. However, the logistic regression for the prediction of GERD symptoms among medical students showed that only family history had a significant correlation (p<0.05).
Conclusion: GERD symptoms were common in medical students of King Abdulaziz University, Saudi Arabia. Family history was found to be a significant predictor of GERD symptoms. Effective educational strategies for groups with significant risk factors of GERD need to be implemented.

Matched MeSH terms: Gastroesophageal Reflux
Clinical course of gastroesophageal reflux disease and impact of treatment in symptomatic young patients

Bonavina L, Fisichella PM, Gavini S, Lee YY, Tatum RP

Ann N Y Acad Sci, 2020 12;1481(1):117-126.
PMID: 32266986 DOI: 10.1111/nyas.14350

In symptomatic young patients with gastroesophageal reflux symptoms, early identification of progressive gastroesophageal reflux disease (GERD) is critical to prevent long-term complications associated with hiatal hernia, increased esophageal acid and nonacid exposure, release of proinflammatory cytokines, and development of intestinal metaplasia, endoscopically visible Barrett's esophagus, and dysplasia leading to esophageal adenocarcinoma. Progression of GERD may occur in asymptomatic patients and in those under continuous acid-suppressive medication. The long-term side effects of proton-pump inhibitors, chemopreventive agents, and radiofrequency ablation are contentious. In patients with early-stage disease, when the lower esophageal sphincter function is still preserved and before endoscopically visible Barrett's esophagus develops, novel laparoscopic procedures, such as magnetic and electric sphincter augmentation, may have a greater role than conventional surgical therapy. A multidisciplinary approach to GERD by a dedicated team of gastroenterologists and surgeons might impact the patients' lifestyle, the therapeutic choices, and the course of the disease. Biological markers are needed to precisely assess the risk of disease progression and to tailor surveillance, ablation, and management.

Matched MeSH terms: Gastroesophageal Reflux
Feeding and reflux in children after mandibular distraction osteogenesis for micrognathia: A systematic review

Breik O, Umapathysivam K, Tivey D, Anderson P

Int J Pediatr Otorhinolaryngol, 2016 Jun;85:128-35.
PMID: 27240511 DOI: 10.1016/j.ijporl.2016.03.033

Mandibular distraction osteogenesis (MDO) is becoming increasingly more commonly used as in neonates and infants with upper airway obstruction secondary to micrognathia. A significant number of these children are dependent on nasoenteric feeding or gastrostomies after birth for adequate nutrition and often suffer from gastro-esophageal reflux (GERD).
OBJECTIVE: This analysis is a subset of a larger systematic review. The objective of this study is to determine the effects of MDO on feeding and GERD.
DATA SOURCES: The databases searched included PubMed, Embase, Scopus, Web of Knowledge and grey literature sources.
STUDY SELECTION: The inclusion criterion included studies in children with clinical evidence of micrognathia/Pierre Robin Sequence (PRS) who have failed conservative treatments, including both syndromic (sMicro) and non-syndromic (iPRS) patients. 21 studies relevant to feeding and 4 studies relevant to GERD outcomes were included. All studies included were case series and case reports.
RESULTS: MDO leads to a significant improvement in feeding, with 82% of children feeding exclusively orally after surgery. The overall percentage of children with iPRS who were feeding orally was 93.7% compared with only 72.9% in the sMicro group (p<0.004). A growth decline within the first six weeks after surgery was observed in multiple studies. Overall, out of 70 patients with pre-operative GERD, only four had evidence of GERD after surgery.
CONCLUSIONS: Considering the limitations of this systematic review, this study found that successful relief of airway obstruction by MDO leads to improvement of feeding and improvement in symptoms of GERD in children with upper airway obstruction secondary to micrognathia. Clinicians need to be aware of the risk of growth decline in the initial post-operative period.

Matched MeSH terms: Gastroesophageal Reflux/etiology*
Fulltext The view of gastroenterologists on non-cardiac chest pain in Asia

Cheung TK, Lim PW, Wong BC

Aliment Pharmacol Ther, 2007 Aug 15;26(4):597-603.
PMID: 17661763 DOI: 10.1111/j.1365-2036.2007.03403.x

BACKGROUND: Non-cardiac chest pain is an important disorder in Asia. The practice and views of gastroenterologists on non-cardiac chest pain in this region are not known.
AIMS: To determine the current understanding, diagnostic practice and treatment strategies among gastroenterologists on the management of non-cardiac chest pain in Asia.
METHODS: A 24-item questionnaire was sent to gastroenterologists in Mainland China, Hong Kong, Malaysia, Indonesia, Philippines, Singapore, Taiwan and Thailand.
RESULTS: 186 gastroenterologists participated with a response rate of 74%. 98% of gastroenterologists managed patients with non-cardiac chest pain over the last 6 months. 64% felt that the number of non-cardiac chest pain patients was increasing and 85% believed that the most common cause of non-cardiac chest pain was GERD. 94% of the gastroenterologists believed that they should manage non-cardiac chest pain patients, but only 41% were comfortable in diagnosing non-cardiac chest pain. The average number of investigations performed was four in non-cardiac chest pain patients, and oesophago-gastro-duodenoscopy was the most commonly used initial test. A proton pump inhibitor was considered the first-line treatment in non-cardiac chest pain and was reported as the most effective treatment by the gastroenterologists.
CONCLUSION: Most gastroenterologists were practicing evidence-based medicine, but frequent use of investigations and a lack of awareness of the role of visceral hypersensitivity in non-cardiac chest pain patients were noted.

Matched MeSH terms: Gastroesophageal Reflux/diagnosis; Gastroesophageal Reflux/drug therapy
Fulltext Gastro-oesophageal reflux disorders among Nepalese residing in Southeast Asia

Chong VH, Chand PB, Gautam HR, Jalihal A

Med J Malaysia, 2013 Jun;68(3):234-8.
PMID: 23749013

Gastro-oesophageal reflux disorders (GORD) are common in Western countries and has been reported to be increasing in the East. This study assessed the prevalence of GORD among the Nepalese residing in the Brunei Darussalam.

Matched MeSH terms: Gastroesophageal Reflux*
Fulltext Does mesh augmentation of the hiatal repair with gore bio-A® improve symptomatic outcomes in laparoscopic fundoplication?

Christodoulidou, M., Kosai, N.R., Rajan, R., Hassan, S., Dac, S., Sutton, P.A., et al.

International Medical Journal Malaysia, 2015;14(1):43-48.
MyJurnal

Introduction: Laparoscopic fundoplication is performed for the management of symptomatic hiatus hernias and gastro-oesophageal reflux disease (GORD) refractory to medical therapy. We adopted the use of Gore Bio-A® for selected laparoscopic hiatus hernia repairs in 2011 and with this case series aimed to establish whether mesh augmentation affects symptomatic outcomes. Methods: A retrospective review of prospectively collected data from all laparoscopic fundoplications performed by a single surgeon between October 2011 and January 2013 was performed. Patient specific data were entered into a proforma and analysed using Microsoft ExcelTM. Patient reported outcomes were assessed with a system specific quality of life questionnaire (GORD-HRQL) both pre and post-operatively. Results: Twenty-three patients underwent laparoscopic fundoplication during the study period. Gore Bio-A® re-enforcement of the hiatal repair was used in 14 patients and was the preferred option for those with pre-operative evidence of a large hiatus hernia. Whilst overall there was a statistically significant difference between pre and post-operative scores (21 vs 0, p=

Matched MeSH terms: Gastroesophageal Reflux
Fulltext Reassessment of functional dyspepsia: a topic review

Chua AS

World J Gastroenterol, 2006 May 07;12(17):2656-9.
PMID: 16718748 DOI: 10.3748/wjg.v12.i17.2656

Dyspepsia itself is not a diagnosis but stands for a constellation of symptoms referable to the upper gastrointestinal tract. It consists of a variable combination of symptoms including abdominal pain or discomfort, postprandial fullness, abdominal bloating, early satiety, nausea, vomiting, heartburn and acid regurgitation. Patients with heartburn and acid regurgitation invariably have gastroesophageal reflux disease and should be distinguished from those with dyspepsia. There is a substantial group of patients who do not have a definite structural or biochemical cause for their symptoms and are considered to be suffering from functional dyspepsia (FD). Gastrointestinal motor abnormalities, altered visceral sensation, dysfunctional central nervous system-enteral nervous system (CNS-ENS) integration and psychosocial factors have all being identified as important pathophysiological correlates. It can be considered as a biopsychosocial disorder with dysregulation of the brain-gut axis being central in origin of disease. FD can be categorized into different subgroups based on the predominant single symptom identified by the patient. This subgroup classification can assist us in deciding the appropriate symptomatic treatment for the patient.

Matched MeSH terms: Gastroesophageal Reflux/complications
Fulltext Randomised clinical trial: the effectiveness of Gaviscon Advance vs non-alginate antacid in suppression of acid pocket and post-prandial reflux in obese individuals after late-night supper

Deraman MA, Abdul Hafidz MI, Lawenko RM, Ma ZF, Wong MS, Coyle C, et al.

Aliment Pharmacol Ther, 2020 06;51(11):1014-1021.
PMID: 32343001 DOI: 10.1111/apt.15746

BACKGROUND: Late-night supper increases the risk of postprandial reflux from the acid pocket especially in obesity. An alginate-based, raft-forming medication may be useful for obese patients with GERD.
AIMS: To compare the efficacy of Gaviscon Advance (Reckitt Benckiser, UK) and a non-alginate antacid in post-supper suppression of the acid pocket and post-prandial reflux among obese participants.
METHODS: Participants underwent 48 h wireless and probe-based pH-metry recording of the acid pocket and lower oesophagus, respectively, and were randomised to single post-supper (10 pm) dose of either Gaviscon Advance or a non-alginate antacid on the second night. Primary outcomes were suppression of median pH of acid pocket and lower oesophagus, measured every 10-minutes post-supper for 1 h. Secondary outcomes were suppression of % time pH

Matched MeSH terms: Gastroesophageal Reflux/drug therapy*
[FEATURES MANIFESTATIONS COMORBID CURRENTS OF GASTROESOPHAGEAL REFLUX DISEASE AND ARTERIAL HYPERTENSION DEPENDING ON THE DEGREE OF ARTERIAL HYPERTENSION]

Fadieienko G, Gridniev O

Georgian Med News, 2015 Nov.
PMID: 26656546

The purpose of research - to study the features of circadian profile of blood pressure (BP), the data of echocardiography, pH-monitoring, lipid spectrum, level of apelin and the state of the system "lipid peroxidation-antioxidant protection" in patients with a combination of arterial hypertension (AH) and gastroesophageal reflux disease (GERD) depending on the level of AH. It was examined 126 patients with combination of AH II stage, 2-3 degrees, and GERD, 70 (55.56%) men and 56 (44.44%) women, mean age 56.84 ± 1.17. The anthropometric indicators, a condition of "lipid peroxidation- antioxidant protection", the level of apelin, ambulatory blood pressure monitoring (ABPM), echocardiography, esophageal pH-monitoring were evaluated. Analysis of the results was performed using a computer program IBM SPSS Statistics 21.0 for Windows XP. According to the daily averages ABPM systolic BP/diastolic BP in the I group were 141.2 ± 0.8/90.4 ± 0.4 mm Hg., in II group - 163.3 ± 0.9/101.0 ± 0.5 mm Hg., in III group - 185.6 ± 0.8/112.1 ± 0.5 mm Hg., p = 0.001. There are only 25.39% of patients had normal indicators of the variability of BP among individuals with comorbidity. Transformation from mild AH to moderate was accompanied by a significant increase in the severity of left ventricular remodeling by type of concentric hypertrophy. The data of esophageal pH-monitoring allow us to classify the disorders as severe gastroesophageal reflux in patients with a combination of AH and GERD (DeMeester, 1993). In the group with first degree of AH the average rate of circulating apelin was 930.58 ± 56.27 pg/mL, for the patients with 2nd degree of AH - 880.56 ± 17.97 pg/ml, p>0.05, in patients with third degree of AH - 650.91 ± 12.87 pg/ml (p = 0.001). Assessment of lipid profile has allowed to establish the worse dyslipidemia in patients with 3rd degree of AH combined with GERD (atherogenic ratio - 3.11 ± 0.09). The deterioration of degree of AH combined with GERD accompanied by an increase of oxidative stress with increase of nitrites plasma and malondialdehyde concentration, and decrease of glutathione peroxidase and of SH-groups concentration. Increased degree of AH in patients with severe GERD accompanied by worsening of left ventricular remodeling, reduction of apelin levels, progression of dyslipidemia, and imbalances in the system of "lipid peroxidation-antioxidant protection."

Matched MeSH terms: Gastroesophageal Reflux/blood; Gastroesophageal Reflux/complications; Gastroesophageal Reflux/diagnosis; Gastroesophageal Reflux/physiopathology*
Fulltext Insomnia and its correlates among elderly patients presenting to family medicine clinics at an academic center

Farazdaq H, Andrades M, Nanji K

Malays Fam Physician, 2018;13(3):12-19.
PMID: 30800228

Objective: The objective of this study is to determine the frequency and correlates of insomnia among elderly patients presenting to family medicine clinics at an academic center in Karachi, Pakistan.

Study design: This is a cross-sectional study.

Place and duration of study: The study was conducted at the Outpatient Family Medicine Clinics at Aga Khan University Hospital between February 2013 and June 2013.

Methodology: Patients 60 years old and above were recruited (n=152) through non- probability consecutive sampling. Information was collected on a pretested structured questionnaire on demographics, insomnia symptoms, medical co-morbidities, lifestyle factors and sleep disorders. Data was analyzed on SPSS 19. Proportions and the Chi-Square test were used in the analyses, along with binary logistic regression.

Results: The mean age of the participants was 65.68 years, and 38.80% of the participants were male and 61.20% were female. The prevalence of insomnia was 42.1%. It was more common in women than in men (64.10% vs. 35.9%). Increasing age [ORadj: 4.54; 95%CI: 1.85-11.17], being divorced/widowed [ORadj: 10.26; 95%CI: 2.79-37.73] and having an average household income of over Rs.50, 000, were significantly related to insomnia. The other factors associated with insomnia were Gastro Esophageal Reflux Disease [ORadj: 4.30; 95% CI: 1.67-11.04], depression [ORadj: 2.88, 95% CI: 1.13-7.33], caffeine consumption [ORadj: 6.50; 95% CI: 2.27-18.57], and cigarette smoking close to bed time [ORadj: 4.78; 95% CI: 0.88-25.90].

Conclusion: The study showed that older adults with multiple diseases were at high risk of insomnia. Certain life style practices enhanced the risk; hence, physicians should incorporate sleep history and tailor treatment to target both insomnia and related factors to optimize quality of life.

Matched MeSH terms: Gastroesophageal Reflux
Unmet treatment needs of gastroesophageal reflux disease in Asia: gastroesophageal reflux disease in Asia Pacific survey

Goh KL, Choi MG, Hsu WP, Chun HJ, Mahachai V, Kachintorn U, et al.

J Gastroenterol Hepatol, 2014 Dec;29(12):1969-75.
PMID: 24990817 DOI: 10.1111/jgh.12655

Data on patient satisfaction with proton pump inhibitor (PPI) therapy for gastroesophageal reflux disease (GERD) are scarce in Asia. The perspectives of Asian patients with GERD and their satisfaction with PPI therapy were investigated.

Matched MeSH terms: Gastroesophageal Reflux/drug therapy*; Gastroesophageal Reflux/psychology*
Gastroesophageal reflux disease in Asia: A historical perspective and present challenges

Goh KL

J Gastroenterol Hepatol, 2011 Jan;26 Suppl 1:2-10.
PMID: 21199509 DOI: 10.1111/j.1440-1746.2010.06534.x

Gastroesophageal reflux disease (GERD), previously uncommon in Asia, has now become an important disease in the region. Although much variability exists between studies, most endoscopy-based studies show a prevalence of erosive esophagitis of more than 10%. Symptom-based studies also show a prevalence of 6-10%. Two longitudinal follow-up studies on GERD symptoms have shown an increase with time, and several endoscopy-based time trend studies have also shown a significant increase in erosive reflux esophagitis. Studies on Barrett's esophagus have been confounded by the description of short (SSBE) and long segment (LSBE) Barrett's esophagus. Great variation in prevalence rates has been reported. SSBE vary from 0.1% to more than 20% while LSBE vary from 1-2%. Of the putative causative factors, obesity has been the most important. Many studies have linked GERD-esophagitis as well as occurrence of reflux symptoms with an increase in body mass index (BMI), obesity, especially visceral or central obesity, and metabolic syndrome. A decline in Helicobacter pylori infection with growing affluence in Asia has been broadly thought to result in healthier stomachs and a higher gastric acid output resulting in reflux disease. However, variable results have been obtained from association and H. pylori eradication studies.

Matched MeSH terms: Gastroesophageal Reflux/history*; Gastroesophageal Reflux/epidemiology
Changing epidemiology of gastroesophageal reflux disease in the Asian-Pacific region: an overview

Goh KL

J Gastroenterol Hepatol, 2004 Sep;19 Suppl 3:S22-5.
PMID: 15324378

Gastroesophageal reflux disease (GERD) is a common disease in the West, which now appears to be also increasing in prevalence in the Asian Pacific region. The reasons for this changing epidemiology are two-fold: an increased awareness among doctors and patients, and/or a true increase in the prevalence of the disease. Prevalence rates of reflux esophagitis (RE) of up to 16% and prevalence of GERD symptoms of up to 9% have been reported in the Asian population. However, the frequency of strictures and Barrett's esophagus remain very low. Non-erosive reflux disease (NERD) appears to be the most common form of GERD among Asian patients accounting for 50-70% of cases with GERD. Among Asian patients differences can also be discerned among different ethnic groups. For example, in Malaysia where a multiracial society exists, RE is significantly more common among Indians compared to Chinese and Malays whereas NERD is more frequently seen in the Indian and Malays compared to the Chinese. The reasons for these differences are not known but may indicate both genetic factors and environmental factors peculiar to the particular racial group. GERD has also been increasing in the region demonstrating a time-lag phenomenon compared to the West. Differing predisposition to GERD among different ethnic groups would mean that such an increase would be more prominent among certain racial groups.

Matched MeSH terms: Gastroesophageal Reflux/epidemiology*
Gastro-oesophageal reflux disease in Asia

Goh KL, Chang CS, Fock KM, Ke M, Park HJ, Lam SK

J Gastroenterol Hepatol, 2000 Mar;15(3):230-8.
PMID: 10764021

Gastro-oesophageal reflux disease (GORD) occurs more frequently in Europe and North America than in Asia but its prevalence is now increasing in many Asian countries. Many reasons have been given for the lower prevalence of GORD in Asia. Low dietary fat and genetically determined factors, such as body mass index and maximal acid output, may be important. Other dietary factors appear to be less relevant. Increased intake of carbonated drinks or aggravating medicines may influence the increasing rates of GORD in some Asian countries but no strong evidence links other factors, such as the age of the population, smoking or alcohol consumption, to GORD. The management of GORD in Asia is similar to that in Europe and North America but the lower incidence of severe oesophagitis in Asia may alter the approach slightly. Also, because Asians tend to develop stomach cancer at an earlier age, endoscopy is used routinely at an earlier stage of investigation. Gastro-oesophageal reflux disease is essentially a motility disorder, so short-term management of the disease can usually be achieved using prokinetic agents (or histamine (H2)-receptor antagonists). More severe and recurrent GORD may require proton pump inhibitors (PPI) or a combination of prokinetic agents and PPI. The choice of long-term treatment may be influenced by the relative costs of prokinetic agents and PPI.

Matched MeSH terms: Gastroesophageal Reflux/epidemiology*
Efficacy of pantoprazole 20 mg daily compared with esomeprazole 20 mg daily in the maintenance of healed gastroesophageal reflux disease: a randomized, double-blind comparative trial - the EMANCIPATE study

Goh KL, Benamouzig R, Sander P, Schwan T, EMANCIPATE

Eur J Gastroenterol Hepatol, 2007 Mar;19(3):205-11.
PMID: 17301646

To compare the efficacy and tolerability of pantoprazole 20 mg once daily with that of esomeprazole 20 mg once daily for 6 months as maintenance therapy in patients with previously healed gastroesophageal reflux disease.

Matched MeSH terms: Gastroesophageal Reflux/drug therapy; Gastroesophageal Reflux/microbiology; Gastroesophageal Reflux/prevention & control*
Fulltext Pharmacological and Safety Profile of Dexlansoprazole: A New Proton Pump Inhibitor - Implications for Treatment of Gastroesophageal Reflux Disease in the Asia Pacific Region

Goh KL, Choi MG, Hsu PI, Chun HJ, Mahachai V, Kachintorn U, et al.

J Neurogastroenterol Motil, 2016 Jul 30;22(3):355-66.
PMID: 26932927 DOI: 10.5056/jnm15150

Although gastroesophageal reflux disease is not as common in Asia as in western countries, the prevalence has increased substantially during the past decade. Gastroesophageal reflux disease is associated with considerable reductions in subjective well-being and work productivity, as well as increased healthcare use. Proton pump inhibitors (PPIs) are currently the most effective treatment for gastroesophageal reflux disease. However, there are limitations associated with these drugs in terms of partial and non-response. Dexlansoprazole is the first PPI with a dual delayed release formulation designed to provide 2 separate releases of medication to extend the duration of effective plasma drug concentration. Dexlansoprazole has been shown to be effective for healing of erosive esophagitis, and to improve subjective well-being by controlling 24-hour symptoms. Dexlansoprazole has also been shown to achieve good plasma concentration regardless of administration with food, providing flexible dosing. Studies in healthy volunteers showed no clinically important effects on exposure to the active metabolite of clopidogrel or clopidogrel-induced platelet inhibition, with no dose adjustment of clopidogrel necessary when coprescribed. This review discusses the role of the new generation PPI, dexlansoprazole, in the treatment of gastroesophageal reflux disease in Asia.

Matched MeSH terms: Gastroesophageal Reflux
Asia-Pacific guidelines for managing functional dyspepsia overlapping with other gastrointestinal symptoms

Gwee KA, Lee YY, Suzuki H, Ghoshal UC, Holtmann G, Bai T, et al.

J Gastroenterol Hepatol, 2023 Feb;38(2):197-209.
PMID: 36321167 DOI: 10.1111/jgh.16046

Contemporary systems for the diagnosis and management gastrointestinal symptoms not attributable to organic diseases (Functional GI Disorders, FGID, now renamed Disorders of Gut-Brain Interaction, DGBI) seek to categorize patients into narrowly defined symptom-based sub-classes to enable targeted treatment of patient cohorts with similar underlying putative pathophysiology. However, an overlap of symptom categories frequently occurs and has a negative impact on treatment outcomes. There is a lack of guidance on their management. An Asian Pacific Association of Gastroenterology (APAGE) working group was set up to develop clinical practice guidelines for management of patients with functional dyspepsia (FD) who have an overlap with another functional gastrointestinal disorder: FD with gastroesophageal reflux (FD-GERD), epigastric pain syndrome with irritable bowel syndrome (EPS-IBS), postprandial distress syndrome with IBS (PDS-IBS), and FD-Constipation. We identified putative pathophysiology to provide a basis for treatment recommendations. A management algorithm is presented to guide primary and secondary care clinicians.

Matched MeSH terms: Gastroesophageal Reflux*
Non-erosive reflux disease (NERD), symptomatic and asymptomatic erosive reflux disease (ERD): from hypersensitive to hyposensitive esophagus

Hartono JL, Qua CS, Goh KL

Dig Dis Sci, 2011 Jan;56(1):90-6.
PMID: 20467897 DOI: 10.1007/s10620-010-1275-5

AIMS: To compare the esophageal sensitivity to acid and saline in patients with symptomatic and asymptomatic erosive reflux disease (ERD), non-erosive reflux disease (NERD) and controls, and to assess the response to proton-pump inhibitors in patients with symptomatic ERD and NERD.
METHODOLOGY: Patients with GERD and a control group of healthy asymptomatic volunteers were recruited. All subjects underwent esophagogastroduodenoscopy and the acid-saline perfusion test. Symptomatic ERD and NERD patients were given rabeprazole 20 mg twice daily for 2 weeks and their response to treatment assessed.
RESULTS: A total of 105 subjects were recruited: ERD=37 (symptomatic=24, asymptomatic=13), NERD=34 and controls=34. During saline perfusion, only the NERD group recorded a significantly higher sensitivity score compared to controls (2.74±7.28 vs. 0) (p=0.035). During acid perfusion, symptomatic ERD (15.42±13.42) and NERD (16.71±15.04) had significantly higher scores versus controls and asymptomatic ERD patients (both p<0.001). The mean %∆ reflux symptom score following treatment was significantly higher in symptomatic ERD patients compared to NERD patients (89.08±21.67 vs. 58.53±32.54; p<0.001).
CONCLUSIONS: Patients with NERD were a generally hypersensitive group while asymptomatic ERD patients represent a hyposensitive group of patients which merits further study.

Matched MeSH terms: Gastroesophageal Reflux/drug therapy; Gastroesophageal Reflux/pathology*; Gastroesophageal Reflux/physiopathology*
Fulltext Evaluation of Gastroesophageal Reflux Disease Using the Bravo Capsule pH System

Lawenko RM, Lee YY

J Neurogastroenterol Motil, 2016 Jan 31;22(1):25-30.
PMID: 26717929 DOI: 10.5056/jnm15151

Gastroesophageal reflux disease (GERD) is a disease predominantly seen in the West but there is a rising trend in Asia. Ambulatory 24-hour catheter-based pH monitoring has been the de facto gold standard test for GERD that correlates symptoms with acid reflux episodes. However, drawbacks such as patients' discomfort, and catheter displacement render the test as cumbersome and error-prone. The Bravo pH wireless system is designed to be user-friendly and has an added advantage of prolonged pH monitoring. The system is comparable to the catheter-based pH monitoring system in terms of diagnostic yield and symptom-reflux association. Indications include evaluation of patients with refractory GERD symptoms and prior to anti-reflux surgery. Bravo utilizes a wireless pH-sensing capsule with a complete prepackaged system, and a data processing software. The capsule may be positioned indirectly using endoscopic or manometric landmarks or under direct endoscopic guidance. Optimal threshold cut-off values are yet to be standardized but based on available studies, for the Asian population, it may be recommended for total % time pH < 4 of 5.8 over 48 hours. Cost is a limitation but capsule placement is relatively safe although technical failures may be seen in small percentage of cases.

Matched MeSH terms: Gastroesophageal Reflux

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