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Ku PKM, Vlantis AC, Hui TSC, Yeung ZWC, Cho RHW, Wong MHK, Lee AKF, Yeung DCM, Chan SYP, Chan BYT, Chang WT, Mok F, Wong KH, Wong JKT, Abdullah V, van Hasselt A, Wu JCY, Tong MCF. The prevalence of gastroesophageal reflux disease and laryngopharyngeal reflux in patients with dysphagia after radiotherapy for nasopharyngeal carcinoma. Head Neck 2024; 46:1637-1659. [PMID: 38235957 DOI: 10.1002/hed.27645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 12/05/2023] [Accepted: 01/09/2024] [Indexed: 01/19/2024] Open
Abstract
BACKGROUND The prevalence of gastroesophageal reflux disease (GERD) and laryngopharyngeal reflux (LPR) in post-irradiated patients with nasopharyngeal carcinoma (NPC) is unknown. MATERIALS AND METHODS In a cross-sectional study, 31 NPC and 12 control patients completed questionnaires for GERD/LPR before esophageal manometry and 24-h pH monitoring. The DeMeester score and reflux finding score (RFS) were used to define GERD and LPR, respectively. Risk factors were identified. RESULTS 51.6% of NPC and 8.3% of control patients, and 77.4% of NPC and 33% of control patients, were GERD-positive and LPR-positive, respectively. The GERD/LPR questionnaire failed to identify either condition in patients with NPC. No parameter differences in esophageal manometry or pneumonia incidence were noted between GERD/LPR-positive and GERD/LPR-negative patients. Post radiotherapy duration, high BMI, lack of chemotherapy, and dysphagia were positive risk factors for GERD/LPR. CONCLUSIONS A high prevalence of GERD/LPR in patients with post-irradiated NPC exists, but reflux symptoms are inadequate for diagnosis.
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Affiliation(s)
- Peter K M Ku
- Department of Otorhinolaryngology - Head and Neck Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
- Department of Otorhinolaryngology - Head and Neck Surgery, United Christian Hospital and Tseung Kwan O Hospital, Hong Kong, China
| | - Alexander C Vlantis
- Department of Otorhinolaryngology - Head and Neck Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Thomas S C Hui
- Department of Otorhinolaryngology - Head and Neck Surgery, United Christian Hospital and Tseung Kwan O Hospital, Hong Kong, China
| | - Zenon W C Yeung
- Department of Otorhinolaryngology - Head and Neck Surgery, United Christian Hospital and Tseung Kwan O Hospital, Hong Kong, China
| | - Ryan H W Cho
- Department of Otorhinolaryngology - Head and Neck Surgery, United Christian Hospital and Tseung Kwan O Hospital, Hong Kong, China
| | - Marc H K Wong
- Department of Gastroenterology and Hepatology, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Alex K F Lee
- Department of Otorhinolaryngology - Head and Neck Surgery, United Christian Hospital and Tseung Kwan O Hospital, Hong Kong, China
| | - David C M Yeung
- Department of Otorhinolaryngology - Head and Neck Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Simon Y P Chan
- Department of Speech Therapy, Prince of Wales Hospital, Hong Kong, China
| | - Becky Y T Chan
- Department of Speech Therapy, Prince of Wales Hospital, Hong Kong, China
| | - Wai-Tsz Chang
- Department of Otorhinolaryngology - Head and Neck Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Florence Mok
- Department of Clinical Oncology and Radiotherapy, Prince of Wales Hospital, Hong Kong, China
| | - Kam-Hung Wong
- Department of Oncology, Queen Elizabeth Hospital, Hong Kong, China
| | - Jeffrey K T Wong
- Department of Imaging and Interventional Radiotherapy, Prince of Wales Hospital, Hong Kong, China
| | - Victor Abdullah
- Department of Otorhinolaryngology - Head and Neck Surgery, United Christian Hospital and Tseung Kwan O Hospital, Hong Kong, China
| | - Andrew van Hasselt
- Department of Otorhinolaryngology - Head and Neck Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Justin C Y Wu
- Department of Gastroenterology and Hepatology, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
| | - Michael C F Tong
- Department of Otorhinolaryngology - Head and Neck Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China
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Gu W, Chen W, Zhang T, Zhu Y, Li W, Shi W, Li N, Wang S, Xu X, Yu L. Diagnostic value of the pepsin concentration in saliva and induced sputum for gastroesophageal reflux-induced chronic cough: a prospective clinical study. ERJ Open Res 2024; 10:00046-2024. [PMID: 39076526 PMCID: PMC11284588 DOI: 10.1183/23120541.00046-2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 03/22/2024] [Indexed: 07/31/2024] Open
Abstract
Background Finding a simple, effective and rapid diagnostic method to improve the diagnosis of gastroesophageal reflux-induced chronic cough (GERC) is indicated. Our objective was to determine the diagnostic value of the pepsin concentration in saliva and induced sputum for GERC. Methods 171 patients with chronic cough were enrolled. The diagnosis and treatment followed the chronic cough diagnosis and treatment protocol. Saliva and induced sputum were collected, and the pepsin concentration was determined using Peptest. A Gastroesophageal Reflux Diagnostic Questionnaire (GerdQ) was completed. The diagnostic value of the pepsin concentration in saliva and induced sputum for GERC was analysed and compared. Results The salivary pepsin concentration predicted GERC with an area under the receiver operating characteristic curve (AUC) of 0.845. The optimal cut-off value was 76.10 ng·mL-1, the sensitivity was 83.58% and the specificity was 82.69%. The pepsin concentration in the induced sputum supernatant for GERC had an AUC of 0.523. When GerdQ was used for GERC diagnosis, the AUC was 0.670 and the diagnostic value of salivary pepsin was better compared to GerdQ (DeLong test, p=0.0008). Salivary pepsin had a comparable diagnostic value to GerdQ (AUC 0.779 versus 0.826; p=0.4199) in acidic GERC. Salivary pepsin had superior diagnostic value compared to GerdQ (AUC 0.830 versus 0.533; p<0.0001) in non-acidic GERC. Conclusions A salivary pepsin concentration >76.10 ng·mL-1 is of good diagnostic value for GERC, especially in non-acidic GERC. The pepsin concentration in induced sputum has a low diagnostic value.
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Affiliation(s)
- Wenhua Gu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
- Department of Pulmonary and Critical Care Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- W. Gu, W. Chen and T. Zhang contributed equally to this article as first authors
| | - Wei Chen
- Department of Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
- W. Gu, W. Chen and T. Zhang contributed equally to this article as first authors
| | - Tongyangzi Zhang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
- W. Gu, W. Chen and T. Zhang contributed equally to this article as first authors
| | - Yiqing Zhu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wanzhen Li
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wenbo Shi
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Na Li
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shengyuan Wang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xianghuai Xu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
- X. Xu and L. Yu contributed equally to this article as lead authors and supervised the work
| | - Li Yu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
- X. Xu and L. Yu contributed equally to this article as lead authors and supervised the work
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Sha B, Li W, Bai H, Zhang T, Wang S, Shi W, Wen S, Yu L, Xu X. How to diagnose GERC more effectively: reflections on post-reflux swallow-induced peristaltic wave index and mean nocturnal baseline impedance. BMC Pulm Med 2024; 24:269. [PMID: 38840152 PMCID: PMC11155067 DOI: 10.1186/s12890-024-03080-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 05/29/2024] [Indexed: 06/07/2024] Open
Abstract
INTRODUCTION Post-reflux swallow-induced peristaltic wave index (PSPWI) and mean nocturnal baseline impedance (MNBI) are novel parameters reflect esophageal clearance capacity and mucosal integrity. They hold potential in aiding the recognition of gastroesophageal reflux-induced chronic cough (GERC). Our study aims to investigate their diagnostic value in GERC. METHODS This study included patients suspected GERC. General information and relevant laboratory examinations were collected, and final diagnosis were determined following guidelines for chronic cough. The parameters of multichannel intraluminal impedance-pH monitoring (MII-pH) in patients were analyzed and compared to explore their diagnostic value in GERC. RESULTS A total of 186 patients were enrolled in this study. The diagnostic value of PSPWI for GERC was significant, with the area under the working curve (AUC) of 0.757 and a cutoff value of 39.4%, which was not statistically different from that of acid exposure time (AET) (p > 0.05). The combined diagnostic value of AET > 4.4% and PSPWI < 39.4% was superior to using AET > 4.4% alone (p < 0.05). Additionally, MNBI and distal MNBI also contributed to the diagnosis of GERC, with AUC values of 0.639 and 0.624, respectively. AET > 4.4% or PSPWI < 39.4% is associated with a 44% reduction in missed diagnoses of non-acid GERC compared to AET > 6.0% or symptom association probability (SAP) ≥ 95%, and may be more favorable for identifying GERC. CONCLUSION The diagnostic value of PSPWI for GERC is comparable to that of AET. Combining PSPWI < 39.4% or AET > 4.4% can improve the diagnostic efficiency by reducing the risk of missed diagnoses in cases where non-acid reflux is predominant. Distal MNBI and MNBI can serve as secondary reference indices in the diagnosis of GERC.
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Affiliation(s)
- Bingxian Sha
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wanzhen Li
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Haodong Bai
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Tongyangzi Zhang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shengyuan Wang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wenbo Shi
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Siwan Wen
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Li Yu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Xianghuai Xu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China.
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Sha B, Li W, Bai H, Zhang T, Wang S, Wu L, Shi W, Zhu Y, Yu L, Xu X. Post-reflux swallow-induced peristaltic wave index: a new parameter for the identification of non-acid gastroesophageal reflux-related chronic cough. Ther Adv Respir Dis 2024; 18:17534666231220819. [PMID: 38183263 PMCID: PMC10771752 DOI: 10.1177/17534666231220819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/29/2023] [Indexed: 01/07/2024] Open
Abstract
BACKGROUND The current available diagnostic criteria for gastroesophageal reflux-related chronic cough (GERC) dominated by non-acid reflux is imperfect. The post-reflux swallow-induced peristaltic wave index (PSPWI) is a parameter reflecting esophageal clearance function. OBJECTIVES This study aims to investigate its diagnostic value for non-acid GERC. DESIGN This study sought to compare the diagnostic value of PSPWI in different types of GERC, particularly non-acid GERC, and explore the clinical significance of PSPWI in the diagnosis of non-acid GERC through diagnostic experiments. METHODS A retrospective analysis was performed based on 223 patients with suspected GERC who underwent multichannel intraluminal impedance-pH monitoring (MII-pH) in the outpatient clinic of our department from August 2016 to June 2021. Their clinical information, laboratory test results, and treatment responses were assessed and the underlying etiologies of chronic cough were categorized. The predictive value of the PSPWI in diagnosing different types of GERC, especially non-acid GERC, was analyzed and compared. RESULTS A total of 195 patients with chronic cough who met the inclusion criteria underwent MII-pH monitoring. 143 patients had a definitive diagnosis of GERC, including 98 with acid GERC and 45 with non-acid GERC. The diagnostic value of PSPWI alone was moderate for GERC with an area under the working curve (AUC) 0.760, but poor for non-acid GERC with an AUC of 0.569. However, PSPWI < 39.8% combining with acid exposure time (AET) ⩽ 6.2% demonstrated a moderate diagnostic value for non-acid GERC, with an AUC of 0.722. When PSPWI < 39.8% combined with a non-acid reflux ratio >68.75%, the diagnostic value for non-acid GERC was improved (AUCROC = 0.80 versus AUCROC = 0.722, p < 0.05), which was significantly superior to non-acid symptom index (AUCROC = 0.804 versus AUCROC = 0.550, p < 0.05) and non-acid symptom association probability (AUCROC = 0.804 versus AUCROC = 0.571, p < 0.05). CONCLUSION PSPWI < 39.8% and AET ⩽ 6.2% have demonstrated good diagnostic value for non-acid GERC. The diagnostic value was further improved when combined with non-acid reflux ratio >68.75%.
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Affiliation(s)
- Bingxian Sha
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wanzhen Li
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Haodong Bai
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Tongyangzi Zhang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shengyuan Wang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Linyang Wu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wenbo Shi
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yiqing Zhu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Li Yu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, 389 Xincun Road, Shanghai 200065, China
| | - Xianghuai Xu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, 389 Xincun Road, Shanghai 200065, China
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Zhang L, Aierken A, Zhang M, Qiu Z. Pathogenesis and management of gastroesophageal reflux disease-associated cough: a narrative review. J Thorac Dis 2023; 15:2314-2323. [PMID: 37197515 PMCID: PMC10183548 DOI: 10.21037/jtd-22-1757] [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: 12/06/2022] [Accepted: 04/13/2023] [Indexed: 05/19/2023]
Abstract
Background and Objective Gastroesophageal reflux disease (GERD)-associated cough is defined as a special GERD with a predominant cough symptom and is a common cause of chronic cough. This review summarizes our current understanding on the pathogenesis and management of GERD-associated cough. Methods Main literatures on the pathogenesis and management of GERD-associated cough were reviewed and our understandings derived from the published studies were showed then. Key Content and Findings Although esophageal-tracheobronchial reflex mainly underlies the pathogenesis of GERD-associated cough, its counterpart-tracheobronchial-esophageal reflex might exist and initiate the cough due to reflux induced by upper respiratory tract infection through the signaling of transient receptor potential vanilloid 1 linking airway and esophagus. The presence of reflux-associated symptoms such as regurgitation and heartburn along with coughing suggests an association between cough and GERD, which is supported by the objective evidence of abnormal reflux as detected by reflux monitoring. Although there is no general consensus, esophageal reflux monitoring provides the main diagnostic criteria for GERD-associated cough. Despite that acid exposure time and symptom associated probability are useful and mostly employed reflux diagnostic criteria, they are imperfect and far from being the gold standard. Acid suppressive therapy has long been recommended as the first choice for GERD-associated cough. However, the overall benefits of proton pump inhibitors have been controversial and need to be further assessed, especially in patients with cough due to non-acid reflux. Neuromodulators have demonstrated potential therapeutic effects for refractory GERD-associated cough, for which anti-reflux surgery may also be a promising treatment option. Conclusions Tracheobronchial-esophageal reflex might initiate reflux-induced cough provoked by the upper respiratory tract infection. It is necessary to optimize the current standards and to explore new criteria with higher diagnostic potency. Acid suppressive therapy is the first choice for GERD-associated cough, followed by neuromodulators and anti-reflux surgery for refractory GERD-associated cough.
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Affiliation(s)
- Li Zhang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Alimire Aierken
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Mengru Zhang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zhongmin Qiu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
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Kendrick K, Kothari SN. Updates on Surgical Treatment for Gastroesophageal Reflux Disease. Am Surg 2023:31348231157414. [PMID: 36789472 DOI: 10.1177/00031348231157414] [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: 02/16/2023]
Abstract
Gastroesophageal reflux disease (GERD) is a common condition that is on the rise. Obesity is one risk factor that has increased in parallel with the rise of GERD. Typical symptoms include heartburn, regurgitation, dysphagia, cough, and chest pain. Patients with typical symptoms are empirically treated with proton pump inhibitors (PPIs). If the diagnosis is not clear, further evaluation is performed with endoscopy, pH monitoring, and esophageal manometry. Untreated GERD increases the risk of esophagitis, esophageal stricture, Barrett's esophagus, and esophageal adenocarcinoma. Treatment begins with lifestyle modification and medical therapy. If these fail, surgical and endoscopic surgical techniques are available, to provide treatment, symptom relief, and reduce long-term PPI use.
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Affiliation(s)
- Katherine Kendrick
- Department of Gastroenterology and Hepatology, 3626Prisma Health Upstate-Greenville Memorial Hospital, Greenville, SC, USA
| | - Shanu N Kothari
- University of South Carolina School of Medicine Greenville, 3626Prisma Health Upstate, Greenville, SC, USA
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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: 5] [Impact Index Per Article: 2.5] [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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