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Yun JM, Kim KW, Kim S, So YK. Salivary pepsin as an independent predictor of treatment response for laryngopharyngeal reflux: prospective cohort study with multivariate analysis. Sci Rep 2023; 13:22893. [PMID: 38129481 PMCID: PMC10739976 DOI: 10.1038/s41598-023-50014-6] [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: 07/31/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
To analyze the predictive value of salivary pepsin for treatment outcomes in laryngopharyngeal reflux (LPR) using multivariate analysis that includes various associated factors. This prospective cohort study was conducted between August 2020 and August 2022. Patients with LPR who had symptoms lasting more than 1 month and a reflux symptom index (RSI) of 14 or higher were enrolled. The participants received a 2-month regimen of proton pump inhibitors (PPIs) treatment and lifestyle modification. Salivary pepsin was checked using fasting saliva before treatment. Salivary pepsin was detected more frequently in the good treatment response group (61.1%), compared to 14.3% in the poor response group. Similarly, patients with higher compliance to lifestyle modifications (> 90%) had a higher chance of a good response (91.7%) compared to those with lower compliance, who had a 53.8% chance of a good response. Other clinical factors have no significant association with treatment response. In multivariate analysis, both pretreatment salivary pepsin and higher compliance with lifestyle modification were found to be independent factors for treatment response (OR 14.457, CI 1.075 ~ 194.37 for both). This study found that positive salivary pepsin and strict lifestyle modification are independent predictors of treatment outcomes in LPR.
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Affiliation(s)
- Ji Min Yun
- Department of Otorhinolaryngology-Head and Neck Surgery, Ilsan Paik Hospital, Inje University College of Medicine, 170 Juhwa-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do, 10380, Republic of Korea
- Department of Otorhinolaryngology-Head and Neck Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Ki Won Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Ilsan Paik Hospital, Inje University College of Medicine, 170 Juhwa-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do, 10380, Republic of Korea
| | - Suji Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Ilsan Paik Hospital, Inje University College of Medicine, 170 Juhwa-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do, 10380, Republic of Korea
| | - Yoon Kyoung So
- Department of Otorhinolaryngology-Head and Neck Surgery, Ilsan Paik Hospital, Inje University College of Medicine, 170 Juhwa-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do, 10380, Republic of Korea.
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Bobin F, Lechien JR. Association between oropharyngeal ph-monitoring, pepsin saliva concentration and degree of apnea-hypopnea index of obstructive sleep apnea. J Otolaryngol Head Neck Surg 2023; 52:68. [PMID: 37838710 PMCID: PMC10576889 DOI: 10.1186/s40463-023-00675-0] [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: 12/25/2022] [Accepted: 10/06/2023] [Indexed: 10/16/2023] Open
Abstract
OBJECTIVE To investigate the association between obstructive sleep apnea (OSA) and laryngopharyngeal reflux (LPR) through oropharyngeal pH-monitoring and pepsin saliva measurements. DESIGN Prospective uncontrolled study. METHODS Patients with sleep disturbances and reflux symptoms underwent polysomnography, 24-h oropharyngeal pH-monitoring and saliva pepsin collections. The prevalence of LPR was investigated in OSA patients according to oropharyngeal pH-monitoring and pepsin measurements. A correlation analysis was performed between pH-monitoring findings, pepsin saliva levels, reflux symptom score-12 (RSS-12), reflux sign assessment (RSA), Apnea-Hypopnea Index (AHI), Epworth Sleepiness Scale, Pichot and arousal findings. RESULTS Thirty-seven patients completed the evaluations. LPR was detected in 34/37 (92%) and 29/34 (85%) patients at the oropharyngeal-pH monitoring and pepsin test, respectively. OSA was detected in 30 patients (81%). Among them, LPR was detected in 28/30 (93%) cases. Pharyngeal reflux events mainly occurred nighttime/supine in OSA patients. Both Ryan score and supine reflux time at pH < 6.5 were significantly associated with BMI and the RSA sub- and total scores (p < 0.02). Tongue-base hypertrophy score was positively associated with the number of micro-arousals (p = 0.027); the supine percent of pH < 6.5 (p = 0.030); morning (p = 0.030) and bedtime pepsin saliva measurements (p = 0.037). The bedtime pepsin saliva level was significantly associated with Ryan Score (p = 0.047); AHI (p = 0.017) and the sleep saturation < 90% time (p = 0.040). The saliva level of the morning pepsin was associated with a shortest paradoxical sleep phase (p = 0.013). CONCLUSION OSA patients may have high prevalence of pharyngeal reflux events at the oropharyngeal pH-monitoring and high pepsin saliva measurements. Oropharyngeal pH-monitoring should be useful for the correlation between reflux and sleep findings in OSA patients. Future large cohort controlled studies are needed to determine the prevalence of LPR in OSA and healthy individuals.
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Affiliation(s)
- Francois Bobin
- Department of Otolaryngology, Polyclinic of Poitiers, Elsan Hospital, Poitiers, France
| | - Jérôme R Lechien
- Department of Otolaryngology, Polyclinic of Poitiers, Elsan Hospital, Poitiers, France.
- Department of Human Anatomy and Experimental Oncology, Faculty of Medicine, UMONS Research Institute for Health Sciences and Technology, University of Mons (UMons), Mons, Belgium.
- Department of Otolaryngology-Head & Neck Surgery, Laryngoloy and Bronchoesophagology Division, EpiCURA Hospital, University of Mons, Mons, Belgium.
- Department of Otolaryngology, Foch Hospital, Paris Saclay University, Suresnes, France.
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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: 3] [Impact Index Per Article: 1.5] [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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Zhang J, Wang X, Wang J, Zhao J, Zhang C, Liu Z, Li J. Optimal Timing of the Salivary Pepsin Test for the Diagnosis of Laryngopharyngeal Reflux. Laryngoscope 2022. [PMID: 36149876 DOI: 10.1002/lary.30408] [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: 07/19/2022] [Revised: 08/13/2022] [Accepted: 08/29/2022] [Indexed: 11/11/2022]
Abstract
OBJECTIVE To investigate the optimal time point for diagnosing laryngopharyngeal reflux (LPR) through combining 24-h hypopharyngeal-esophageal multichannel intraluminal impedance-pH (24-h HEMII-pH) monitoring and the multi-time point salivary pepsin test (MTPSPT). STUDY DESIGN Prospective uncontrolled trial. METHOD Patients with and without LPR symptoms were included as the test group and the control group, respectively. The patients in the test group underwent 24-h HEMII-pH and MTPSPT. The results of 24-h HEMII-pH were used as a diagnostic criterion for LPR, and the diagnostic value of salivary pepsin tests performed at different time points was compared by receiver operating characteristic (ROC) analysis. RESULTS A total of 153 patients were included. Based on 24-h HEMII-pH, the positive rate of LPR in the test group of patients was 84.00%. In the control group, only one person (3.57%) had a positive salivary pepsin test result. The area under the curve (AUC) of the MTPSPT was 0.827. In addition, we separately calculated the AUC of the combined salivary pepsin test at different time points, and found good diagnostic value (AUC = 0.799) when the test was combined with the waking, 1 and 2 h after breakfast and lunch, and 1 h after dinner tests. However, when the number of tests were further increased, the diagnostic value did not improve significantly. CONCLUSION Salivary pepsin testing combined with waking, 1 h and 2 h after breakfast and lunch, and 1 h after dinner has almost the same diagnostic value as MTPSPT, and testing at these time points can be an effective method for diagnosing LPR. LEVEL OF EVIDENCE 3 Laryngoscope, 2022.
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Affiliation(s)
- Jinhong Zhang
- Department of Otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, China.,Department of Otolaryngology, School of Medicine, South China University of Technology, Guangzhou, China
| | - Xiaoyu Wang
- Department of Otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, China
| | - Jiasen Wang
- Department of Otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, China
| | - Jing Zhao
- Department of Otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, China
| | - Chun Zhang
- Department of Otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, China.,Department of Otolaryngology, School of Medicine, South China University of Technology, Guangzhou, China
| | - Zhi Liu
- Department of Otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, China
| | - Jinrang Li
- Department of Otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, China.,Department of Otolaryngology, School of Medicine, South China University of Technology, Guangzhou, China
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Zhang J, Wang X, Wang J, Zhao J, Zhang C, Liu Z, Li J. The Profiles of Laryngopharyngeal Reflux in Patients With Different Vocal Fold Lesions. J Voice 2022:S0892-1997(22)00235-1. [PMID: 36058775 DOI: 10.1016/j.jvoice.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/02/2022] [Accepted: 08/02/2022] [Indexed: 11/17/2022]
Abstract
OBJECTIVES To investigate the profiles of laryngopharyngeal reflux (LPR) and the relationship between hypopharyngeal-proximal reflux episodes (HREs) and the positive rate of salivary pepsin testing in patients with vocal fold lesions (VFLs). METHODS The enrolled patients were divided into vocal fold cancer group (VFCG), vocal fold leukoplakia group (VFLG), benign vocal fold lesion group (BVFLG) and control group (CG). Patients benefited from multichannel intraluminal impedance-pH monitoring (MII-pH) and multi-time point salivary pepsin testing (MTPSPT). The LPR profiles of patients with VFLs were studied by analyzing the MII-pH findings. The relationship between HREs and positive rate of MTPSPT was investigated through the nonparametric test. RESULTS 177 patients were included. According to 24 h MII-pH, the occurrence of HREs tended to increase after meals. 55.75%, 63.98%, 66.82% and 55.77% of the HREs in the VFCG, VFLG, BVFLG and CG occurred within 3 h after meals, respectively. The overall positive rate of MTPSPT was higher in the VFCG than the remaining groups. In the VFCG, there was a significant correlation between overall positive results of MTPSPT and HREs occurring within 3 h after meals. CONCLUSION In the Chinese population, the occurrence of HREs tend to more frequently after meals in patients with VFLs, and most HREs occur within 3 h after meals. By analyzing the 24h MII-pH findings, we can develop a more individualized anti-reflux therapeutic strategy for LPR patients.
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Affiliation(s)
- Jinhong Zhang
- Department of otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, 100048; Department of otolaryngology, School of Medicine, South China University of Technology, Guangzhou, 510006
| | - Xiaoyu Wang
- Department of otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, 100048
| | - Jiasen Wang
- Department of otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, 100048
| | - Jing Zhao
- Department of otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, 100048
| | - Chun Zhang
- Department of otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, 100048
| | - Zhi Liu
- Department of otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, 100048
| | - Jinrang Li
- Department of otolaryngology, The Sixth Medical Center of PLA General Hospital of Beijing, Beijing, 100048; Department of otolaryngology, School of Medicine, South China University of Technology, Guangzhou, 510006.
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Wang J, Li J, Nie Q, Zhang R. Are Multiple Tests Necessary for Salivary Pepsin Detection in the Diagnosis of Laryngopharyngeal Reflux? Otolaryngol Head Neck Surg 2021; 166:477-481. [PMID: 34253110 DOI: 10.1177/01945998211026837] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVES To evaluate the necessity of multiple salivary pepsin tests within a day when diagnosing laryngopharyngeal reflux. STUDY DESIGN Prospective cohort study. SETTING Tertiary hospitals. METHODS A total of 138 patients with signs and/or symptoms associated with laryngopharyngeal reflux were included. Salivary pepsin was detected on the day of 24-hour pH monitoring, and the results of salivary pepsin detected once in the morning and multiple times in 1 day were compared with the results of pH monitoring. RESULTS Among the 138 patients, pH monitoring results were positive in 112. Salivary pepsin was positive in 47 cases in the morning, which was not consistent with the results of pH monitoring (kappa value = 0.117). With the pH monitoring results as the standard, the salivary pepsin detected once in the morning had a sensitivity of 38.4% (43/112) and a specificity of 84.6% (22/26) for the diagnosis of laryngopharyngeal reflux. When salivary pepsin was detected multiple times per day, 102 patients tested positive. The consistency with pH monitoring was moderate (kappa value = 0.587). The sensitivity was 86.6% (97/112), and the specificity was 80.8% (21/26). Of the 97 patients with positive results from pH monitoring and salivary pepsin detected multiple times a day, 54 had negative findings for a single detection in the morning, indicating that 55.7% (54/97) of the true positive cases were missed. CONCLUSION Although a single detection of salivary pepsin in the morning is more economical, the sensitivity is too low, and it is necessary to detect it multiple times a day.
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Affiliation(s)
- Jiasen Wang
- Department of Otolaryngology-Head and Neck Surgery, The Sixth Medical Centre of Chinese PLA General Hospital, Beijing, China
| | - Jinrang Li
- Department of Otolaryngology-Head and Neck Surgery, The Sixth Medical Centre of Chinese PLA General Hospital, Beijing, China
| | - Qian Nie
- Department of Otolaryngology-Head and Neck Surgery, The Sixth Medical Centre of Chinese PLA General Hospital, Beijing, China
| | - Ran Zhang
- Department of Otolaryngology-Head and Neck Surgery, The Sixth Medical Centre of Chinese PLA General Hospital, Beijing, China
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Diagnostic Value of the Peptest TM in Detecting Laryngopharyngeal Reflux. J Clin Med 2021; 10:jcm10132996. [PMID: 34279479 PMCID: PMC8268930 DOI: 10.3390/jcm10132996] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/29/2021] [Accepted: 07/01/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The PeptestTM is a non-invasive diagnostic test for measuring the pepsin concentration in saliva, which is thought to correlate with laryngopharyngeal reflux (LPR). The aim of this study was to investigate the diagnostic value of the Peptest in detecting LPR based on 24-h multichannel intraluminal impedance-pH (MII-pH) monitoring using several hypopharyngeal reflux episodes as criterion for LPR. METHODS Patients with suspected LPR were examined with the Reflux Symptom Index (RSI), Reflux Finding Score (RFS), fasting Peptest, and MII-pH monitoring. We calculated the accuracy, sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of the Peptest, RSI, and RFS based on the threshold of one and six hypopharyngeal reflux episodes. RESULTS Altogether, the data from 46 patients were analyzed. When one hypopharyngeal reflux episode was used as a diagnostic threshold for LPR, the accuracy, sensitivity, specificity, PPV, and NPV were, respectively, as follows: 35%, 33%, 100%, 100%, and 3%, for the Peptest; 39%, 40%, 0%, 95%, and 0%, for the RSI; and 57%, 58%, 0%, 96%, and 0%, for the RFS. The accuracy, sensitivity, specificity, PPV, and NPV of the Peptest for diagnosing gastroesophageal reflux disease (GERD) were 46%, 27%, 63%, 40.0%, and 48%, respectively. CONCLUSIONS A positive Peptest is highly supportive of a pathological LPR diagnosis. However, a negative test could not exclude LPR.
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