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BACKGROUND: Although diaphragmatic training has been shown to improve gastroesophageal reflux disease (GERD) symptoms, its effectiveness in adults with GERD after COVID-19 has not been evaluated. This study examined the effectiveness of modified diaphragmatic training (MDT) on GERD questionnaire (GERDQ) score, diaphragmatic excursion, and maximum inspiratory pressure (MIP) in adults with GERD after COVID-19. METHODS: This single-blinded randomized control trial was conducted at Persahabatan Hospital from February to April 2023. The medical records of 364 patients with persistent gastrointestinal symptoms were evaluated; among these potential participants, 302 had symptoms before, and 62 after, COVID-19 infection. Fifty of these patients fulfilled the study inclusion and exclusion criteria and were randomly assigned to the intervention (n = 25) or control (n = 25) groups. Four weeks of diaphragmatic training were followed by MDT or standard diaphragmatic training. A follow-up assessment was conducted 30 days after the beginning of the training. RESULTS: The GERDQ score was significantly decreased in the pre-post-intervention group (10.44 ± 2.00 vs 1.84 ± 2.17) and the control group (8.64 ± 0.57 vs 3.32 ± 1.49), with p < 0.001. The intervention group showed significant improvements in the right diaphragmatic excursion (RDE) (44% vs 11.87%), left diaphragmatic excursion (LDE) (46.61% vs 13.62%), and MIP (75.26% vs 23.97%) compared with the control group. CONCLUSION: MDT in adults after COVID-19 with GERD enhanced diaphragmatic excursion and MIP and decreased symptoms of gastroesophageal reflux by 8.60 points of GERDQ. Respiratory symptoms and other side effects were comparable between the groups.

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BACKGROUND: There is a need to find a simple, non-invasive and effective diagnostic tool for diagnosing gastroesophageal reflux-induced chronic cough (GERC) in clinic. This study aimed to evaluate the predictive diagnostic value of Hull airway reflux questionnaire (HARQ) and its combination with gastroesophageal reflux disease questionnaire (GerdQ) for GERC. METHODS: Chronic cough patients were enrolled and the diagnosis of GERC was established according to the chronic cough diagnosis and treatment process. The diagnostic value of HARQ and GerdQ alone or the combination of HARQ and GerdQ was analyzed. RESULTS: A total of 402 patients with chronic cough were eventually enrolled, including 166 GERC patients. When the HARQ score was used to predict the diagnosis of GERC, the area under the ROC curve was 0.796. The sensitivity and specificity were 77.19% and 77.06%, respectively. When the GerdQ was used to predict the diagnosis of GERC, the area under the ROC curve was 0.763. The sensitivity and specificity were 70.18% and 76.15%, respectively. When HARQ combined with GerdQ were used to predict the diagnosis of GERC, the area under the ROC curve was 0.848. The sensitivity and specificity were 77.19% and 79.82%, respectively. CONCLUSIONS: HARQ used to evaluate the cough hypersensitivity has a certain predictive diagnostic value for GERC. The diagnosis of GERC should be considered when the HARQ score is ≥24. The predictive diagnostic value of the combination of HARQ and GerdQ is significantly higher, which makes the diagnosis of GERC simpler, quicker and more effective.

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BACKGROUND: The main symptoms of gastroesophageal reflux disease GERD are heartburn and acid regurgitation. Proton-pump inhibitors (PPI) are considered to be safe and effective for the treatment of GERD. In traditional Chinese medicine, wu chu yu tang (WCYT) is used to treat nausea after eating, vomiting, and diarrhea. PURPOSE: We designed a randomized, double-blind, placebo-controlled clinical trial to evaluate the therapeutic effect of WCYT on GERD using omeprazole as a PPI for the positive control. METHODS: Ninety patients with GERD were randomly assigned to the 1) control group (CG), who received an oral administration of omeprazole (20 mg) once per day and given WCYT placebo (3.0 g) three times per day for 4 weeks continuously; or the 2) treatment group (TG), who received oral administration of omeprazole (20 mg) placebo once per day and WCYT (3.0 g) three times per day for 4 weeks continuously. RESULTS: Seventy-seven patients (37 in CG, 40 in TG) completed the trial. Both Reflux Disease Questionnaire (RDQ) and Gastroesophageal Reflux Disease Questionnaire (GERDQ) scores was less in the second assessment (V2) and in the third assessment (V3) than those in V1 (first assessment; baseline) in the CG and TG groups (all p < 0.001); the score difference of both RDQ and GERDQ between V2 and V1 was similar between CG and TG (p = 1.00, p = 0.54, respectively). The score difference of both RDQ and GERD between V3 and V1 was less in the CG group than those of the TG group (both p = 0.004). CONCLUSION: WCYT has an effect similar to omeprazole for GERD treatment. Furthermore, this effect resulting from WCYT appeared to be maintained for a longer period of time than did that of omeprazole. A study with a larger sample size and longer study period is needed to corroborate our findings.

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BACKGROUND: Gastroesophageal Reflux Disease Questionnaire (GERDQ) and Quality of Life in Reflux and Dyspepsia Questionnaire (QOLRAD) are reliable tools for evaluation of GERD. AIM: We aimed to test validity and reliability of Malay language translations of GERDQ and QOLRAD in a primary care setting. METHODS: The questionnaires were first translated into the Malay language (GERDQ-M and QOLRAD-M). Patients from primary care clinics with suspected GERD were recruited to complete GERDQ-M, QOLRAD-M, and Malay-translated 36-item short-form health survey (SF-36 or SF-36-M), and underwent endoscopy and 24-h pH-impedance test. RESULTS: A total of 104 (mean age 47.1 years, women 51.9%) participants were enrolled. The sensitivity and specificity for GERDQ-M cut-off score ≥8 were 90.2 and 77.4%, respectively. Based on this cut-off score, 54.7% had a high probability of GERD diagnosis. GERD-M score ≥8 vs. < 8 was associated with erosive esophagitis (p < 0.001), hiatus hernia (p = 0.03), greater DeMeester score (p = 0.001), and Zerbib scores for acid refluxes (p < 0.001) but not non-acid refluxes (p = 0.1). Mean total scores of QOLRAD-M and SF-36-M were correlated (r = 0.74, p < 0.001). GERDQ-M ≥8, erosive esophagitis, and DeMeester ≥14.72 were associated with impaired QOLRAD-M in all domains (all p < 0.02) but this was not seen with SF-36. CONCLUSIONS: GERDQ-M and QOLRAD-M are valid and reliable tools applicable in a primary care setting.

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Background:Gastroesophageal reflux disease questionnaire(GerdQ)is a potentially useful tool for diagnosis of gastroesophageal reflux disease(GERD). Reflux esophagitis(RE)is a clinical type of GERD characterized by endoscopic mucosal injury of esophagus. Aims:To study the correlation of GerdQ score with severity of RE. Methods:Patients with typical reflux-related symptoms and meeting the inclusion criteria were recruited consecutively from Department of Gastroenterology,the People's Hospital of Xinjiang Uygur Autonomous Region during Aug. 2014 to Dec. 2015. All patients recruited were asked to complete the GerdQ scoring scale,meanwhile,the demographic information was collected and an upper gastrointestinal endoscopy was performed. The severity of RE was graded endoscopically by Los Angeles classification system. Results:A total of 1 554 patients were enrolled in this study,664 with RE(RE group)and 890 without RE(control group). The proportion of males in RE group was significantly higher than those in control group (50.9% vs. 37.1%,P<0.05). The prevalence of RE was significantly higher in Uygur than in Han and other ethnics (48.5% vs. 40.5% and 39.3%,P all <0.05). The proportions of patients with RE rose up with the increase of GerdQ score in a cut-off range from 0-14(0%,19.7%,50.1% and 51.7% for 0-2,3-7,8-11 and 11-14,respectively). The mean GerdQ score was significantly higher in RE group than in control group(9.95 ± 2.76 vs. 9.09 ± 3.33,P<0.05), and GerdQ score was positively correlated with severity of RE(r=0.243,P<0.05). When stratified by nationality,the correlation of GerdQ score with severity of RE was unchanged. Conclusions:GerdQ is a useful complementary tool for the diagnosis of RE. A cut-off value of 8 might predict the presence of RE and the GerdQ score might reflect the disease severity.

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Objective To investigate the effects of anxiety ,depression and life events on patients with non-erosive gastroesophageal reflux disease (NERD) .Methods From November 2016 to December 2017 ,at The First Affiliated Hospital of the Medical College ,Shihezi University ,135 patients with NERD (NERD group) and 133 volunteers who received physical examination at the same period were enrolled (healthy control group) .The scores of self-rating anxiety scale (SAS) ,self-rating depression scale (SDS ) ,life event scale (LES ) and gastroesophageal reflux disease questionnaire (GerdQ ) of the enrolled individuals were obtained by questionnaire .Mann-Whitney ranking test ,chi square test and Spearman rank correlation test were performed for statistical analysis .Results The patients with anxiety in NERD group accounted for 46 .67％ (63/135) ,which was higher than that in healthy control group (1 .50％ ,2/133) ,and the difference was statistically significant (χ2 =74 .38 , P< 0 .01) .The patients with depression in NERD group accounted for 12 .59％ (17/135) ,which was higher than that of healthy control group (0 ,0/133) ,and the difference was statistically significant (χ2 = 17 .88 ,P< 0 .01) .The SAS score of NERD group was 48 points (45 points ,52 points) ,which was higher than that of healthy control group (37 points (33 points ,43 points)) ,and the difference was statistically significant (Z=-11 .03 ,P<0 .01) .The SDS score of NERD group was 46 points (41 points ,50 points) ,which was higher than that of healthy control group (36 points ,32 points to 40 points) ,and the difference was statistically significant (Z= -11 .03 , P<0 .01) .The LES score of NERD group was 32 points (10 points ,45 points) , which was higher than that of healthy control group (3 points ,0 points to 32 points) ,and the difference was statistically significant (Z= -2 .18 ,P=0 .03) .The score of LES negative events in NERD group was 21 points (3 points ,36 points) ,which was higher than that of the healthy control group (0 points ,0 points to 23 points) , and the difference was statistically significant (Z= -2 .19 , P=0 .03) .GerdQ score was positively correlated with SAS ,SDS ,LES scores and LES negative event score ,and the differences were all statistically significant (r=0 .65 ,0 .60 ,0 .29 and 0 .29 ,all P< 0 .05) .Conclusions Anxiety ,depression and life events are the influencing factors of NERD .The greater the impact of anxiety ,depression and life event (especially negative live events) ,the more severe the NERD symptoms .

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Gastroesophageal reflux disease questionnaire (GerdQ) was used to investigate the inpatients with typical reflux related symptoms in Gastroenterology. According to heartburn, regurgitation, abdominal pain, nausea, sleep disorders, whether taking over the counter (OTC) drugs 6 points to score. Using endoscopy as the gold standard for the diagnosis of reflux esophagitis (RE), and the results were compared with GerdQ score to determine the threshold value for RE, to analyze the distribution of GerdQ score for patients with RE, to assess the relationship between the GerdQ score and the severity of RE. A total of 1233 patients were enrolled in this study, including 538 patients had RE and 695 had not. There was statistical significance in the GerdQ score of RE group and non-RE group (P <0.05), showing that significant correlation between the score and the occurrence of RE. GerdQ score and the severity of RE were positively correlated. Further research also showed that there was a direct correlation between GerdQ score and the severity of RE in the Uygur and Han. GerdQ seems to be an useful screening tool in initial diagnosis of RE, and positively correlated with the severity of RE.

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Chest pain experienced by patients with coronary artery disease can be partly due to gastroesophageal reflux-induced chest pain (GERP). Empirical proton pump inhibitor (PPI) therapy has been recommended as an initial clinical approach for treating GERP. However, PPI use may lead to some health problems. The Gastroesophageal Reflux Disease Questionnaire (GerdQ) may represent a noninvasive and cost-effective approach for avoiding PPI misuse and for identifying the appropriate patients for the PPI trial test. The aim of this pilot study was to prospectively evaluate the association between GerdQ scores and PPI response in patients with coronary artery disease (CAD) and GERP to determine whether the GerdQ predicts the PPI response in patients with CAD and GERP and to further validate the clinical application value of the GerdQ. A total of 154 consecutive patients with potential GERP were recruited to complete a GerdQ with subsequent PPI therapy. Based on the PPI trial result, patients were divided into a PPI-positive response group and a PPI-negative response group. The difference in the GerdQ scores between the two groups was assessed. The receiver operating characteristic (ROC) curve of GerdQ score was drawn according to the PPI response as the gold standard. The ability of GerdQ to predict the PPI response was assessed. A total of 96 patients completed the entire study; 62 patients (64.6%) were assigned to the PPI-positive response group, and 34 patients (35.4%) to the PPI-negative response group. The GerdQ score of the PPI-positive response group (8.11 ± 3.315) was significantly higher than that of the PPI-negative response group (4.41 ± 2.743), and the difference was statistically significant (t = 5.863, P = 0.000). The ROC curve was drawn according to a PPI response assessment result with a score above 2 as the gold standard. The area under curve was 0.806. When the critical value of GerdQ score was 7.5, Youden index was up to 0.514, the diagnostic sensitivity was 0.661, and the diagnostic specificity was 0.853. A GerdQ score greater than 7.5 better predicts the response to the PPI trial therapy. There is a strong association between the GerdQ score and the response to PPI therapy. Higher GerdQ scores were predictive of a positive PPI response in CAD patients with GERP. The GerdQ may be a reasonable screening tool for GERP in patients with CAD who are prepared to accept PPI therapy.

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Objective To study the prevalence and characteristics of gastroesophageal reflux disease (GERD) in patients with idiopathic pulmonary fibrosis(IPF).Methods A total of 48 patients with diffuse parenchymal lung disease(DPLD) including 25 IPF and 23 other DPLD were enrolled from Department of Respiratory Disease in the First Affiliated Hospital of China Medical University.All patients were subjected to 24-hour esophageal pH monitoring.Pulmonary function test and HRCT of lung were performed at the same time.Results The prevalence of GERD in IPF patients was 64.0％,which was significantly higher than that in other DPLD patients.DeMeester scores were significantly higher in IPF patients than those in non-IPF group[(22.8 ± 21.5) score vs (15.7 ± 14.0) score respectively P ＜ 0.05].Numbers of reflux longer than 5 minutes [(3.8 ± 4.1) time vs (2.1 ± 2.1) time respectively) and reflux index (1.8 ± 1.7 vs 1.3 ± 1.2) in IPF group were higher than those in non-IPF group,yet without statistical significance.Patients with IPF had significantly higher values of following parameters than those in non-IPF patients including percentage of total reflux time(pH ＜ 4.0) (9.2 ± 5.1) ％,percentage of upright reflux time (8.5 ± 5.2) ％,percentage of supine reflux time (10.8 ± 10.7) ％,numbers of reflux (54.2 ± 22.7) time,numbers of regurgitation longer than 5 minutes (6.3 ± 4.2) time,thelongest reflux time (14.5 ± 15.3) min,reflux index 2.5 ± 1.7 and DeMeester scores (34.9 ± 20.3) time (P ＜ 0.05).DeMeester score was positively correlated with gastroesophageal reflux diseases questionnaire (GerdQ) score (r =0.667,P ＜ 0.01).The prevalence of typical GERD sympotoms in the IPF-GERD patients was higher (heartburn 7/16,regurgitation 6/16) than that in IPF patients without GERD (heartburn 2/9,regurgitation 1/9).Conclusion Patients with IPF have a high prevalence of GERD,but usually without typical GERD symptoms.In the hospitals 24-hour esophageal pH monitoring not available,GerdQ can be used to identify GERD in IPF patients.

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BACKGROUND: The gastroesophageal reflux disease (GERD) questionnaire (GerdQ) is a validated questionnaire that was developed recently to help identify GERD patients. The sensitivity and specificity of GerdQ for the diagnosis of GERD in adult patients were 65% and 71%, respectively. Because the application of GerdQ in pediatric population is largely unknown, the aim of this study is to establish the endoscopic correlation between Chinese GerdQ and grades of erosive esophagitis (EE) in Taiwanese children. METHODS: Seventy-four children (aged 9-18 years) were evaluated by our version of the Chinese GerdQ prior to receiving esophagogastroduodenoscopy for warning upper gastrointestinal symptoms. Grades of EE were assessed blindly, according to the Los Angeles classification. The sensitivity and specificity of GerdQ for detecting endoscopic EE were analyzed. RESULTS: In 74 patients, the male to female ratio was 1:1.1 and the mean age was 14.2 ± 2.3 years (age range: 9.2-17.9 years). Thirty-nine percent of the enrolled patients had EE. The sensitivity and specificity of GerdQ (with a cutoff score of ≥7) to identify EE patients were 65.5% and 80%, respectively. The odds ratio of GerdQ for a cutoff score of 7 to identify EE was 7.6 (95% confidence interval = 2.6-21.9, p < 0.001). CONCLUSION: For the identification of EE in children, the Chinese GerdQ had similar sensitivity and specificity to that used for adults. This questionnaire may be applied as a noninvasive screening tool.

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OBJECTIVE: To assess the performance of self-assessment gastroesophageal reflux disease questionnaire (GerdQ), 24-h impedance monitoring, proton pump inhibitor (PPI) test and intercellular space of esophageal mucosal epithelial cells in the diagnosis of gastroesophageal reflux disease (GERD). METHODS: Patients with symptoms suspected of GERD were administered the GerdQ and underwent endoscopy (measurement of intercellular space in the biopsy specimen sampling at 2 cm above the Z-line) and 24-h impedance pH monitoring, together with a 2-week experimental treatment with esomeprazole. RESULTS: A total of 636 patients were included for the final analysis, including 352 with GERD. The sensitivity and specificity of GerdQ and 24-h impedance monitoring for diagnosing GERD were 57.7% and 48.9%, and 66.4% and 43.3%, respectively. The sensitivity of 24-h impedance pH monitoring increased to 93.7%. The sensitivity and specificity of dilated intercellular spaces (DIS) (≥0.9 µm) for diagnosing GERD were 61.2% and 56.1%, respectively, whereas those for PPI test were 70.5% and 44.4%. CONCLUSIONS: GerdQ score or PPI test alone cannot accurately diagnose GERD in a Chinese population suspected of GERD. A definitive diagnosis of GERD still depends on endoscopy or 24-h pH monitoring. 24-h impedance pH monitoring may increase the sensitivity for diagnosing GERD by 20%; however, when used alone, it results in poor specificity in patients without acid suppressive therapy.

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