1. Ding, H, Xu, X, Wen, S, et al. Changing etiological frequency of chronic cough in a tertiary hospital in Shanghai, China. J Thorac Dis 2019; 11: 3482–3489.
Google Scholar | Crossref | Medline2. Kahrilas, PJ, Altman, KW, Chang, AB, et al. Chronic cough due to gastroesophageal reflux in adults: CHEST guideline and expert panel report. Chest 2016; 150: 1341–1360.
Google Scholar | Crossref | Medline3. Neto, R, Herbella, F, Schlottmann, F, et al. Does DeMeester score still define GERD? Dis Esophagus 2019; 32: doy118.
Google Scholar | Crossref | Medline4. Johnson, LF, DeMeester, TR. Development of the 24-hour intraesophageal pH monitoring composite scoring system. J Clin Gastroenterol 1986; 8 (Suppl. 1): 52–58.
Google Scholar | Crossref | Medline5. Dong, R, Xu, X, Yu, L, et al. Randomized clinical trial: gabapentin vs baclofen in the treatment of suspected refractory gastro-esophageal reflux-induced chronic cough. Aliment Pharmacol Ther 2019; 49: 714–722.
Google Scholar | Crossref | Medline6. Xu, X, Lv, H, Yu, L, et al. A stepwise protocol for the treatment of refractory gastroesophageal reflux-induced chronic cough. J Thorac Dis 2016; 8: 178–185.
Google Scholar | Medline7. Shaheen, NJ, Crockett, SD, Bright, SD, et al. Randomised clinical trial: high—dose acid suppression for chronic cough—a double-blind, placebo-controlled study. Aliment Pharmacol Ther 2011; 33: 225–234.
Google Scholar | Crossref | Medline8. Asthma Workgroup, Society of Respiratory Diseases, Chinese Medical Association . Guidelines for the diagnosis and treatment of cough (2015). Chin J Tuberc Respir Dis 2016; 39: 323–354.
Google Scholar9. Jamieson, JR, Stein, HJ, DeMeester, TR, et al. Ambulatory 24-h esophageal pH monitoring: normal values, optimal thresholds, specificity, sensitivity, and reproducibility. Am J Gastroenterol 1992; 87: 1102–1111.
Google Scholar | Medline10. Chen, J, Guo, B, Guo, Z, et al. Association of serum gastric inhibitory polypeptide and pancreatic polypeptide levels with prolonged esophageal acid exposure time in refractory gastroesophageal reflux disease. Medicine 2019; 98: e15965.
Google Scholar | Crossref | Medline11. Wu, J, Wang, Z, Hu, Z, et al. Multidisciplinary consensus on the diagnosis and treatment of gastroesophageal reflux disease in China. Chin J Front Med Sci 2020; 7: 1–28.
Google Scholar12. Gyawali, CP, Kahrilas, PJ, Savarino, E, et al. Modern diagnosis of GERD: the Lyon Consensus. Gut 2018; 67: 1351–1362.
Google Scholar | Crossref | Medline13. Irwin, RS . Chronic cough due to gastroesophageal reflux disease ACCP evidence-based clinical practice guidelines. Chest 2006; 129 (Suppl. 1): 80S–94S.
Google Scholar | Crossref | Medline14. Xu, X, Chen, Q, Liang, S, et al. Comparison of Gastroesophageal Reflux Disease Questionnaire and multichannel intraluminal impedance pH monitoring in identifying patients with chronic cough responsive to antireflux therapy. Chest 2014; 145: 1264–1270.
Google Scholar | Crossref | Medline15. Hsu, JY, Stone, RA, Logan-Sinclair, RB, et al. Coughing frequency in patients with persistent cough: assessment using a 24 hour ambulatory recorder. Eur Respir J 1994; 7: 1246–1253.
Google Scholar | Crossref | Medline16. Pulmonary function Workgroup, Society of Respiratory Diseases, Chinese Medical Association . Guidelines for pulmonary function tests (part 2)—pneumometer examination. Chin J Tuberc Respir Dis 2014; 37: 481–486.
Google Scholar17. Yu, L, Wei, W, Wang, L, et al. Upper-airway cough syndrome with latent eosinophilic bronchitis. Lung 2010; 188: 71–76.
Google Scholar | Crossref | Medline18. Morice, AH, Millqvist, E, Bieksiene, K, et al. ERS guidelines on the diagnosis and treatment of chronic cough in adults and children. Eur Respir J 2020; 55: 1901136.
Google Scholar | Crossref | Medline19. Fujimura, M, Sakamoto, S, Kamio, Y, et al. Effects of methacholine induced bronchoconstriction and procaterol induced bronchodilation on cough receptor sensitivity to inhaled capsaicin and tartaric acid. Thorax 1992; 47: 441–445.
Google Scholar | Crossref | Medline20. Ribolsi, M, Balestrieri, P, Holloway, RH, et al. Intrabolus pressure and esophagogastric gradient, assessed with high-resolution manometry, are associated with acid exposure and proximal migration of refluxate. Dis Esophagus 2016; 29: 1020–1026.
Google Scholar21. Savarino, E, Zentilin, P, Tutuian, R, et al. The role of nonacid reflux in NERD: lessons learned from impedance-pH monitoring in 150 patients off therapy. Am J Gastroenterol 2008; 103: 2685–2693.
Google Scholar | Crossref | Medline22. Streets, CG, DeMeester, TR. Ambulatory 24-hour esophageal pH monitoring: why, when, and what to do. J Clin Gastroenterol 2003; 37: 14–22.
Google Scholar | Crossref | Medline23. Johnson, LF, Demeester, TR. Twenty-four-hour pH monitoring of the distal esophagus. A quantitative measure of gastroesophageal reflux. Am J Gastroenterol 1974; 62: 325–332.
Google Scholar | Medline24. Kahrilas, PJ, Bredenoord, AJ, Fox, M, et al. The Chicago Classification of esophageal motility disorders, v3.0. Neurogastroenterol Motil 2015; 27: 160–174.
Google Scholar | Crossref | Medline25. DeMeester, T, Wang, C, Wernly, J, et al. Technique, indications, and clinical use of 24 hour esophageal pH monitoring. J Thorac Cardiovasc Surg 1980; 79: 656–670.
Google Scholar | Crossref | Medline26. Schlottmann, F, Andolfi, C, Herbella, FA, et al. GERD: presence and size of hiatal hernia influence clinical presentation, esophageal function, reflux profile, and degree of mucosal injury. Am Surg 2018; 84: 978–982.
Google Scholar | SAGE Journals27. Xenos, E . The role of esophageal motility and hiatal hernia in esophageal exposure to acid. Surg Endosc 2002; 16: 914–920.
Google Scholar | Crossref | Medline28. Gerson, L, Boparai, V, Ullah, N, et al. Esophageal and gastric pH profiles in patients with gastro-esophageal reflux disease and Barrett’s esophagus treated with proton pump inhibitors. Aliment Pharmacol Ther 2004; 20: 637–643.
Google Scholar | Crossref | Medline29. Ayazi, S, Lipham, J, Portale, G, et al. Bravo catheter-free pH monitoring: normal values, concordance, optimal diagnostic thresholds, and accuracy. Clin Gastroenterol Hepatol 2009; 7: 60–67.
Google Scholar | Crossref | Medline30. Wiener, GJ, Morgan, TM, Copper, JB, et al. Ambulatory 24-hour esophageal pH monitoring. Reproducibility and variability of pH parameters. Dig Dis Sci 1988; 33: 1127–1133.
Google Scholar | Crossref | Medline31. Schindlbeck, NE, Heinrich, C, König, A, et al. Optimal thresholds, sensitivity, and specificity of long-term pH-metry for the detection of gastroesophageal reflux disease. Gastroenterology 1987; 93: 85–90.
Google Scholar | Crossref | Medline32. Patel, A, Sayuk, GS, Gyawali, CP. Parameters on esophageal pH-impedance monitoring that predict outcomes of patients with gastroesophageal reflux disease. Clin Gastroenterol Hepatol 2015; 13: 884–891.
Google Scholar | Crossref | Medline33. Patel, A, Sayuk, GS, Gyawali, CP. Acid-based parameters on pH-impedance testing predict symptom improvement with medical management better than impedance parameters. Am J Gastroenterol 2014; 109: 836–844.
Google Scholar | Crossref | Medline34. Wang, AJ, Wang, H, Xu, L, et al. Predictors of clinical response of acid suppression in Chinese patients with gastroesophageal reflux disease. Dig Liver Dis 2013; 45: 296–300.
Google Scholar | Crossref | Medline35. Ribolsi, M, Savarino, E, De Bortoli, N, et al. Reflux pattern and role of impedance-pH variables in predicting PPI response in patients with suspected GERD-related chronic cough. Aliment Pharmacol Ther 2014; 40: 966–973.
Google Scholar | Crossref | Medline36. Roman, S, Gyawali, CP, Savarino, E, et al. Ambulatory reflux monitoring for diagnosis of gastro-esophageal reflux disease: update of the Porto consensus and recommendations from an international consensus group. Neurogastroenterol Motil 2017; 29: 1–15.
Google Scholar | Crossref | Medline37. Sifrim, D, Mittal, R, Fass, R, et al. Review article: acidity and volume of the refluxate in the genesis of gastro-esophageal reflux disease symptoms. Aliment Pharmacol Ther 2007; 25: 1003–1017.
Google Scholar | Crossref | Medline38. Xu, X, Yang, Z, Chen, Q, et al. Comparison of clinical characteristics of chronic cough due to non-acid and acid gastroesophageal reflux. Clin Respir J 2015; 9: 196–202.
Google Scholar | Crossref | Medline39. Yu, Y, Wen, S, Wang, S, et al. Reflux characteristics in patients with gastroesophageal reflux-related chronic cough complicated by laryngopharyngeal reflux. Ann Transl Med 2019; 7: 529.
Google Scholar | Crossref | Medline