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Effect of Laryngopharyngeal Reflux and Potassium-Competitive Acid Blocker (P-CAB) on the Microbiological Comprise of the Laryngopharynx. Otolaryngol Head Neck Surg 2024; 170:1380-1390. [PMID: 38385787 DOI: 10.1002/ohn.682] [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: 08/30/2023] [Revised: 12/27/2023] [Accepted: 01/21/2024] [Indexed: 02/23/2024]
Abstract
OBJECTIVE To probe the microbiota composition progressing from healthy individuals to those with laryngopharyngeal reflux disease (LPRD) and subsequently undergoing potassium-competitive acid inhibitor (P-CAB) therapy. STUDY DESIGN Prospective case-control study. SETTING Academic Medical Center. METHODS Forty patients with LPRD and 51 patients without LPRD were recruited. An 8-week P-CAB therapy was initiated (post-T-LPRD), and 39 had return visits. In total, 130 laryngopharyngeal saliva samples were collected and sequenced by targeting the V3-V4 region of the 16S ribosomal RNA (rRNA) gene using an Illumina MiSeq. Amplicon sequence variants (ASVs) and clinical indices were analyzed. RESULTS Alpha and beta diversities were compared among the non-LPRD, LPRD, and post-T-LPRD groups, and the Observed_ASVs were not significantly different. At the same time, the Shannon and Simpson indices, unweighted Unifrac, weighted Unifrac, and binary Jaccard distance were significantly different between non-LPRD and LPRD groups. In addition, significant differences were found in the abundance of Streptococcus, Prevotella, and Prevotellaceae in the LPRD versus non-LPRD groups, and Neisseria, Leptotrichia, and Allprevotella in the LPRD versus post-T-LPRD groups. The genera model was used to distinguish patients with LPRD from those without, and a better receiver operating characteristic curve was formed after combining the clinical indices of reflux symptom index, reflux finding score, and pepsin, with an area under the curve of 0.960. CONCLUSION Laryngopharyngeal microbial communities changed after laryngopharyngeal reflux and were modified further after P-CAB treatment, which provides a potential diagnostic value for LPRD, especially when combined with clinical indices.
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Integrative effects of transcutaneous auricular vagus nerve stimulation on esophageal motility and pharyngeal symptoms via vagal mechanisms in patients with laryngopharyngeal reflux disease. Front Neurosci 2024; 18:1287809. [PMID: 38516311 PMCID: PMC10954818 DOI: 10.3389/fnins.2024.1287809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 02/28/2024] [Indexed: 03/23/2024] Open
Abstract
Background and aim Laryngopharyngeal reflux disease (LPRD) is primarily characterized by discomfort in the pharynx and has limited treatment options. This research aimed to assess the efficacy of transcutaneous auricular vagus nerve stimulation (tVNS) in patients with LPRD and delve into the potential underlying mechanisms. Methods A total of 44 participants, diagnosed with LPRD were divided into two groups randomly. Twice-daily stimulation was delivered for 2 weeks for patients in experimental group, with stimulation ranging from 1.0 mA to 1.5 mA (n = 22), while the control group underwent sham tVNS (n = 22) with the same stimulation parameters and different anatomical location. The severity of symptoms and levels of anxiety and depression were monitored using questionnaires. High-resolution esophageal manometry data were collected, and the patients' autonomic function was assessed through heart rate variability analysis. Results There was a positive correlation between reflux symptom index (RSI) scores and low frequency/high frequency (LF/HF) ratio (r = 0.619; p < 0.001), Hamilton anxiety scale (HAMA) scores (r = 0.623; p < 0.001), and Hamilton depression scale (HAMD) scores (r = 0.593; p < 0.001). Compared to the pre-tVNS phase, RSI (p < 0.001), HAMA (p < 0.001), and HAMD (p < 0.001) scores were significantly reduced after 2 weeks of treatment. Additionally, the resting pressure of the upper esophageal sphincter (UESP; p < 0.05) and lower esophageal sphincter (LESP; p < 0.05) showed significant enhancement. Notably, tVNS led to an increase in root mean square of successive differences (RMSSD; p < 0.05) and high frequency (HF; p < 0.05) within heart rate variability compared to the pre-treatment baseline. Compared to the control group, RSI (p < 0.001), HAMA (p < 0.001), and HAMD (p < 0.001) scores in tVNS group were significantly lower at the end of treatment. Similarly, the resting pressure of UESP (p < 0.05) and LESP (p < 0.05) in tVNS group were significantly higher than that of control group. Notably, RMSSD (p < 0.05) and HF (p < 0.05) in tVNS group were significantly higher than that of control group. Conclusion This study demonstrated that tVNS as a therapeutic approach is effective in alleviating LPRD symptoms. Furthermore, it suggests that improvements in esophageal motility could be associated with vagus nerve-dependent mechanisms.
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Tonghua Liyan granules in the treatment of Laryngopharyngeal reflux disease with stagnation of phlegm and qi syndrome: a randomized, double-blind, placebo-controlled study. Front Pharmacol 2024; 15:1275740. [PMID: 38464723 PMCID: PMC10921225 DOI: 10.3389/fphar.2024.1275740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 01/29/2024] [Indexed: 03/12/2024] Open
Abstract
Background: Laryngopharyngeal reflux disease (LPRD) is an extraesophageal syndromic manifestation of gastroesophageal reflux disease (GERD). Despite the increasing incidence of and concern about LPRD, treatment with proton pump inhibitors (PPIs) is unsatisfactory. Here, LPRD was treated with Tonghua Liyan (THLY) granules in combination with PPIs to evaluate treatment efficacy and possible adverse reactions. Methods: Seventy-six LPRD patients with stagnation of phlegm and qi syndrome (SPQS) were randomly divided into an experimental group and a control group. The experimental group received THLY granules combined with rabeprazole capsules. The control group received THLY granule placebo combined with rabeprazole capsules. A parallel, randomized, double-blind, placebo-controlled clinical trial was conducted with these two groups. The treatment cycle was 8 weeks. The reflux symptom index (RSI), clinical symptom score, salivary pepsin content, reflux finding score (RFS) and gastroesophageal reflux disease questionnaire (GerdQ) were used to evaluate clinical efficacy. The final efficacy rate was evaluated according to the RSI and clinical symptom score. Results: Compared with those at baseline, all the indicators in the experimental group and control group significantly improved (p < 0.01). In terms of the RSI, clinical symptom score, and RFS, the experimental group had a higher degree of improvement (p < 0.05), and the overall efficacy rate was higher (p < 0.05). In terms of the salivary pepsin concentration and GerdQ, there was no significant difference between the test group and the control group (p > 0.05). Both groups of safety indicators showed no abnormalities and did not cause any allergic reactions in the body. Conclusion: Compared with PPIs alone, THLY granules combined with PPIs are more effective in the treatment of LPRD patients with SPQS in terms of symptoms and signs. This combination treatment, because of its higher clinical efficacy and lack of obvious adverse reactions, is worthy of clinical promotion and further in-depth study. Clinical Trial Registration: www.chictr.org.cn, identifier ChiCTR2100046614.
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Characteristics of Laryngopharyngeal Reflux in Patients with Chronic Cough Induced by Gastroesophageal Reflux Disease. EAR, NOSE & THROAT JOURNAL 2023:1455613231205393. [PMID: 37830343 DOI: 10.1177/01455613231205393] [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: 10/14/2023] Open
Abstract
Objective: To summarize the characteristics of laryngopharyngeal reflux in patients with chronic cough induced by gastroesophageal reflux disease (GERD). Materials and Methods: The clinical data of patients with chronic cough induced by GERD treated at our hospital were retrospectively analyzed, including their reflux symptom index (RSI), reflux finding scores (RFS), and results of oropharyngeal pH monitoring. Results: There were 44 patients in total, including 21 males and 23 females. The average history of chronic cough was 29.60 (29.60 ± 37.60) months. In addition to coughing, all patients had at least 2 symptoms of laryngopharyngeal reflux disease (LPRD), and their RSI averaged 15.66 (15.66 ± 6.33). The most frequent symptoms were cough, throat clearing, excessive phlegm, or postnasal drip. All patients had LPRD signs, with an average RFS of 10.89 (10.89 ± 2.81). The most frequent signs were erythema or hyperemia/vocal cord edema, posterior commissure hypertrophy, and diffuse laryngeal edema. There were 42 patients (42/44, 95.45%) whose RSI and/or RFS were abnormal. Oropharyngeal pH monitoring identified 10 patients (10/44, 22.72%) with abnormal Ryan scores. Conclusions: All patients with chronic cough induced by GERD had symptoms and signs of LPRD, and most of them had an abnormal RSI and/or RFS and could be diagnosed with suspect LPRD. A part of the patients had LPR episodes according to Dx-pH monitoring, most of which occurred in the upright position. These results indicated that most patients with chronic cough induced by GERD may have suspected LPRD simultaneously and that cough was one of their LPRD symptoms.
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Efficacy of Tegoprazan in Patients with Laryngopharyngeal Reflux Disease: A Preliminary Feasibility Study. J Clin Med 2023; 12:6116. [PMID: 37834761 PMCID: PMC10573336 DOI: 10.3390/jcm12196116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/08/2023] [Accepted: 09/19/2023] [Indexed: 10/15/2023] Open
Abstract
Tegoprazan is a novel, potent, and highly selective potassium-competitive acid blocker that inhibits gastric acid secretion with rapid onset of action and prolonged control of gastric acidity. We performed a preliminary feasibility study to evaluate whether tegoprazan could control symptoms more effectively than a placebo in patients with laryngopharyngeal reflux disease (LPRD). In this double-blind, randomized, placebo-controlled trial, 35 patients with LPRD were randomly assigned to two groups: tegoprazan 50 mg daily and placebo. The primary endpoint was the complete resolution rate of LPRD symptoms after 8 weeks of medication, and the secondary endpoints were the complete resolution rate of LPRD symptoms after 4 weeks of medication and changes in the reflux symptom index (RSI) and reflux finding score (RFS) from baseline at 4 and 8 weeks of medication. There was no difference in the complete symptom resolution rates at 8 weeks between the tegoprazan and placebo groups (29.4% [5/17] vs. 27.8% [5/18], p = 1.000). Moreover, there was no significant difference in the complete symptom resolution rates at 4 weeks between the two groups. Compared with the baseline, both tegoprazan and placebo significantly reduced the total RSI and RFS scores after 4 and 8 weeks of medication; however, tegoprazan was not superior to the placebo. In conclusion, tegoprazan (50 mg daily) administration improved LPRD symptoms and signs. However, tegoprazan did not show superiority over placebo. Considering the potential effectiveness of tegoprazan as an acid-suppressing therapy and the possibility of type II error due to a low number of included patients herein, prospective, large-scale, multi-center studies with a higher dose of tegoprazan for a prolonged duration are required to elucidate the efficacy of tegoprazan in patients with LPRD. (ClinicalTrials.gov: NCT05871398).
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Assessment of the Current Knowledge and Practice of General Practitioners Towards Laryngopharyngeal Reflux in Saudi Arabia. Cureus 2023; 15:e38043. [PMID: 37228524 PMCID: PMC10208014 DOI: 10.7759/cureus.38043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Background General practitioners (GPs) have a significant role in the diagnosis of patients with laryngopharyngeal reflux (LPR). Some published data revealed a lack of knowledge among GPs about the disease, consequently, this lack of knowledge impacted their performance. This survey aims to assess the current knowledge and practice of general practitioners regarding laryngopharyngeal reflux in Saudi Arabia. Methodology This survey study was conducted to assess the current knowledge and practice of general practitioners regarding laryngopharyngeal reflux in Saudi Arabia using an online questionnaire. The questionnaire was distributed and collected from the five regions in Saudi Arabia, which are The Central Region (Riyadh, Qassim), Eastern Region (Dammam, Al-Kharj, Al-Ahasa), Western Region (Makkah, Madinah, Jeddah), Southern Region (Asir, Najran, Jizan), and Northern Region (Tabuk, Jouf, Hail). Results In the current study, we collected data from 387 general practitioners, 61.8% of whom were aged between 21-30 years old, and 57.4% of the participants were males. Moreover, 40.6% of the participants thought that both LPR and gastroesophageal reflux disease (GERD) share pathophysiology, however, they are two different diseases considering their clinical presentation. Moreover, it was found that heartburn was the most known symptom of LPR among the participants (Mean score 2.14 (SD=1.31), where a lower score indicated more relation). Considering the treatment of LPR, 40.6% and 40.3% of the participants reported using proton pump inhibitors once or twice daily respectively. In contrast, antihistamine/H2 blockers, alginate, and magaldrate were used to a lesser extent as reported by 27.1%, 21.7%, and 12.1%. Conclusion The current study showed limited knowledge among general practitioners considering LPR with a higher rate of referring patients to other departments depending on symptoms which may increase the pressure on other departments of mild cases.
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[The application progress on diagnostic scales of laryngopharyngeal reflux disease]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2023; 37:313-317. [PMID: 36987966 PMCID: PMC10406593 DOI: 10.13201/j.issn.2096-7993.2023.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Indexed: 03/30/2023]
Abstract
At present, objective methods for diagnosing laryngopharyngeal reflux disease(LPRD) are not minimally invasive, effective, and economical. Diagnostic scales are widely used worldwide due to the advantages of inexpensive, noninvasive, and easy to operate. The reflux symptom index(RSI) and the reflux finding score(RFS) are preferred to use in clinical diagnosis. However, many controversies have appeared in the application of RSI and RFS in recent years, causing many troubles to clinical diagnosis. Therefore, this review briefly discusses the problems of RSI and RFS in clinical applications to provide reference for diagnosing LPRD accurately.
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[Consistency analysis of pepsin immunohistochemistry and pepsin test box in the diagnosis of laryngopharyngeal reflux]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2023; 37:97-102;106. [PMID: 36756822 PMCID: PMC10208864 DOI: 10.13201/j.issn.2096-7993.2023.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Indexed: 02/10/2023]
Abstract
Objective:To analyze the consistency of pepsin assay kit, pepsin IHC, reflux symptom index(RSI) and reflux finding score(RFS) in the diagnosis of laryngopharyngeal reflux disease(LPRD). Methods:The clinical data of 61 inpatients with laryngeal diseases who were admitted to the Department of Otolaryngology, the First Affiliated Hospital of Kunming Medical University from May 2020 to December 2021 were retrospectively analyzed. The RSI and RFS scores, the Formwitz score of pepsin immunohistochemistry, and the results of pepsin detection kit were recorded. ICC group correlation coefficient and Kappa consistency analysis was used for three detection methods. Results:Among 61 patients, 30 cases were positive and 31 cases were negative for the pepsin test kit, with a positive rate of 49.18%. The positive rate of pepsin immunohistochemistry was 45.90%(28/61), and the diagnostic agreement rate between the two was 70.49%. The consistency between them was high(κ=0.409). The positive rate of RSI and RFS in diagnosing LPRD was 62.30%(38/61), and the consistency rate was 73.77% with pepsin detection kit. The consistency between them was high(κ=0.486). Taking pepsin IHC as the reference standard, the sensitivity, specificity, positive predictive value and negative predictive value of pepsin detection kit were 71.43%(20/28), 69.70%(23/33), 66.67%(20/30) and 74.19%(23/31), respectively. Using RSI and RFS scales as reference criteria, the sensitivity, specificity, positive predictive value and negative predictive value of pepsin detection kit were 89.29%(25/28), 60.61%(20/33), 65.79%(25/38) and 86.96%(20/23), respectively. Analysis of correlation coefficient within ICC group: ICC value was 0.628, 95% confidence interval(0.497-0.741), the three methods have good consistency. Conclusion:The RSI and RFS scale scores were in good agreement with the pepsin test kit, and the pepsin test kit was also in good agreement with pepsin immunohistochemistry. As a non-invasive diagnostic technique, the pepsin test kit can be widely used in the diagnosis of pharyngeal reflux in combination with pepsin immunohistochemistry and RSI and RFS scale.
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Risk Factor-Related Lifestyle Habits of Patients With Laryngopharyngeal Reflux. EAR, NOSE & THROAT JOURNAL 2022:1455613221078182. [PMID: 35168387 DOI: 10.1177/01455613221078182] [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: 11/16/2022] Open
Abstract
OBJECTIVE The role of lifestyle habits in patients with laryngopharyngeal reflux disease (LPRD) is comparatively underexplored. We aim to examine the specific lifestyle habits in patients with LPRD. METHODS Systematic sampling was applied to select respondents aged 18 through 80 years in otorhinolaryngology-head and neck surgery (OHNS) clinics in Nan Fang Hospital during August 2017-July 2018, 1658 eligible participants were included by a systematic sampling method. Subjects with RSI score>13 were considered as LPRD patients. The risk of reflux symptoms was estimated and multivariate calculated as odds ratios in relation to exposure to tobacco smoking, alcohol, coffee, tea, carbonated drinks, chocolate, spicy food, night sleep time, dinner-to-bed time, subjective sleep quality, and physical exercise. RESULTS There was a significant dose-response association between carbonated beverage and LPRD. Among people who had drinking carbonated drinks the odds ratio was 1.76 (OR 1.77, 95% CI 1.24-2.50, P = .002) compared with non-carbonated drinker. A similar positive association was found for poor subjective sleep quality and shorter night sleeping time, the odds ratio for reflux was 1.58 (95% CI 1.14 to 2.18) among those who always have poor subjective sleep quality compared with those whose have good subjective sleep quality. The odds ratio for reflux was 2.29 (95% CI 1.23-4.28, P = .015) among those who always sleep 3-5 hours every night compared with those who sleep more than 8 hours every night. Beyond that, we found high BMI may have a negative correlation with LPRD, the odds ratio for reflux was .61 (95% CI 0.39 to .95, P = .054) among those whose BMI >25 kg/m2 compared with those BMI ≤ 20 kg/m2. CONCLUSIONS Patients with LPRD may have certain lifestyle habits, avoid carbonated beverage, poor subjective sleep quality, and lack of sleep should be advised in treatment of LPRD.
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Esophageal Pressure and Clinical Assessments in the Gastroesophageal Reflux Disease Patients with Laryngopharyngeal Reflux Disease. J Clin Med 2021; 10:jcm10225262. [PMID: 34830544 PMCID: PMC8625685 DOI: 10.3390/jcm10225262] [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: 09/22/2021] [Revised: 10/27/2021] [Accepted: 10/31/2021] [Indexed: 11/17/2022] Open
Abstract
Laryngopharyngeal reflux disease (LPRD) might be associated with reflux symptoms, and its severity is correlated with the Reflux Symptoms Index. Diagnosis is often challenging because of a lack of accurate diagnostic tools. Although an association between LPRD and gastroesophageal reflux disease (GERD) exists, the extent to which esophageal pressure changes in patients with LPRD with GERD has been unknown. Therefore, this study surveys the clinical assessments and extent of esophageal pressure changes in LRPD patients with various GERD severities, and compares esophageal sphincter pressures between ages, genders, and body mass index (BMI). This observational study assessed patients with LPRD and GERD. High-resolution esophageal manometry was used to gather data pertaining to the area pressure on the upper esophageal sphincter (UES) and lower esophageal sphincter (LES), and the correlation between such pressure and symptom severity was determined. We compared the esophageal pressure of different UES and LES levels in the following categories: gender, age, BMI, and GERD severity. We analyzed correlations between esophageal pressure and clinical assessments among 90 patients with throat globus with laryngitis with LPRD. LPRD was measured using laryngoscopy, and GERD was measured using esophagoscopy and 24 h PH monitoring. There were no significant differences in the clinical assessments among the four grades of GERD. The LPRD patients with serious GERD had a lower UES and LES pressure. The lowest pressure and longer duration of LES and UES were also observed among patients with LPRD of grade D GERD. No significant differences in UES and LES pressures among ages, genders, or BMIs were noted.
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[An epidemiological survey of laryngopharyngeal refux disease in otorhinolaryngology head and neck surgery clinics in Chongqing area]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2021; 35:351-354;359. [PMID: 33794636 PMCID: PMC10128448 DOI: 10.13201/j.issn.2096-7993.2021.04.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Indexed: 11/12/2022]
Abstract
Objective:To investigate the prevalence and affecting factors of laryngopharyngeal reflux disease(LPRD) in otolaryngology head and neck surgery in Chongqing,and to provide a basis for the clinical diagnosis and therapy of LPRD. Methods:Multi-center cross-sectional survey method and systematic sampling method were used to select patients at fifteen hospitals in Chongqing from August to November in 2019. Then reflux symptom index(RSI) was investigated. At the same time, the information of the relevant dietary habits, including smoking and drinking, spicy diet, high-fat diet, and satiety was collected. Moreover, the factors related to LRPD(gender, age, symptoms, diet and lifestyle) were analyzed. Results:The composition ratio of LPRD was 11.90%(385/3234) in 3234 effective questionnaires and 385 positive ones. The composition ratio was 12.55%(173/1378) in men and 11.42%(212/1856) in women. The difference between the two groups was statistically significant(P<0.05). The difference in composition ratio among different age groups was statistically significant(P<0.05), with the highest composition ratio between 40 and 59 years old(170/1390). Constant throat-clearing(symptom 2) and globus sensation(symptom 8) were most correlated with LPRD. Logistic regression analysis showed that spicy diet, over eating, and smoking were highly related to LPRD. Conclusion:Globus sensation and constant throat-clearing are the most common symptoms in LPRD patients. Spicy diet, over eating, and smoking are risk factors for LPRD.
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[Analysis of esophageal manometry results and the inflection point of age in 41 volunteers without laryngopharyngeal symptoms]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2021; 35:164-168. [PMID: 33541001 PMCID: PMC10127889 DOI: 10.13201/j.issn.2096-7993.2021.02.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Indexed: 06/12/2023]
Abstract
Objective:This study aimed to explore the differences in esophageal pressure at different ages, and to analyze the possible age inflection points of the physiological degeneration of esophageal motility, and to further evaluate whether the degeneration of esophageal kinetics with age is the only risk factor for the occurrence of throat reflux disease (LPRD). Methods:A solid-state high-resolution esophageal pressure measurement was performed on 41 volunteers without throat symptoms. The Chicago classification data were compared with the manometry results of all volunteers. In addition, the esophageal manometry results were compared among groups with pre-set age inflection point. Results:Most of the volunteers' esophageal pressure measurements were in line with Chicago standards. When the inflection point of age was 55 years, no significant difference was found between the two groups. However, when the inflection point of age was 65 years, a significant difference in the length of the upper esophageal sphincter and the contractile front velocity was found between the two groups(P=0.021 and 0.046 respectively). Conclusion:Esophageal dynamics was weakened with increasing age in the volunteers without laryngopharyngeal symptoms, which was more obvious after the age of 65, but still within the normal range. The degeneration of esophageal motility is not the only risk factor for LPRD.
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Abstract
Purpose The presence of extra-gastric H+/K+ ATPases may explain the clinically significant effect of proton pump inhibitor (PPI) pharmacotherapy in patients with chronic laryngitis related to laryngopharyngeal reflux disease (LPRD) but without gastroesophageal reflux disease (GERD) symptoms. Given the need for a better understanding of GERD and LPRD, we review the various proton pumps with respect to their classification, function, and distribution. We then consider the potential role of the laryngeal H+/K+ ATPase pump in LPRD. Methods We searched databases of PubMed, EMBASE, and Web of Science to achieve related published before September 15, 2020. Results There were only seven English-literatures meeting inclusive criteria about laryngeal H+/K+ ATPases. Some studies provide convincing evidence of a laryngeal H+/K+ ATPase in normal laryngeal tissues but also suggest the potential role of the proton pump in the abnormal mucus secretion frequently seen in patients with chronic laryngitis. Conclusion A laryngeal H+/K+ ATPase expresses in normal laryngeal tissues. These findings question the current understanding of GERD and LPRD.
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Laryngopharyngeal Reflux Disease: Outcome of Patients After Treatment in Otolaryngology Clinics. Cureus 2020; 12:e12195. [PMID: 33489604 PMCID: PMC7816050 DOI: 10.7759/cureus.12195] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2020] [Indexed: 12/02/2022] Open
Abstract
Introduction Laryngopharyngeal reflux (LPR) is a different entity from gastroesophageal reflux disease (GERD). Patients with LPR usually present with a variety of symptoms such as hoarseness, voice fatigue, burning sensation in the throat, persistent cough, sore throat, dysphagia, a sensation of a lump in the throat, and chronic throat clearing. The management of LPR is based on medications (proton pump inhibitors) along with lifestyle and dietary modifications. It has been suggested that the Reflux Symptom Index (RSI) and Reflux Finding Score (RFS) are useful parameters to assess patients with LPR. The aim of this study is to assess the subjective and objective benefits of RFS and RSI for diagnosing and management of LPR in the tertiary care center and to find the difference in RSI and RSI scoring with respect to gender. Methods A prospective study was performed and 102 patients were included according to inclusion criteria. RFS and RSI questionnaires were filled on the first visit of patients and then treatment with proton pump inhibitors was started along with lifestyle modification instructions. Questionnaires were filled after four weeks and then 12weeks post-treatment. Repeated measure analysis of variance (ANOVA) was performed to compare the mean RFS and RSI from baseline to the end of treatment. The post hoc analysis was done using the Bonferroni test of multiple comparisons. An independent sample t-test was also used to compare the mean RFS and RSI between genders. P-values less than 0.05 were considered statistically significant Results RFS and RSI were found to be significantly decreased post-treatment after four weeks and 12 weeks post-treatment (p-value- <0.01). Eight point eight percent (8.8%) side effects were observed in the study, the change in quality of life after a three-month treatment was significantly improved among 62.7% patients, and 75.5% did lifestyle modifications. In the mean comparison of RFS and RSI with respect to gender, it was observed that the mean RFS of females samples after one month and three months of treatment were significantly less as compared to male samples, p<0.01. There was no significant mean difference observed for RSI after one month and three months of treatment with respect to gender (p>0.05). Conclusion RFS and RSI are convenient and helpful for diagnosing LPR, and they can be easily implemented in ear, nose, throat (ENT) clinics for the subjective and objective assessment of LPR. Females showed greater improvement on laryngoscopy findings (RFS scores) post-treatment as compared to males.
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Gastric H +/K +-ATPase Expression in Normal Laryngeal Tissue and Laryngeal Carcinoma. Onco Targets Ther 2020; 13:12919-12931. [PMID: 33363389 PMCID: PMC7751835 DOI: 10.2147/ott.s276233] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 11/30/2020] [Indexed: 12/24/2022] Open
Abstract
Background Several studies have suggested that laryngopharyngeal reflux disease (LPRD) or gastroesophageal reflux disease (GERD) is an independent risk factor for laryngeal carcinoma. However, it remains unclear whether either condition affects the level of H+/K+-ATPase expression in laryngeal carcinoma. Materials and Methods Immunohistochemistry, real-time RT-PCR, and Western blotting were used to explore the distributions of proton pump (H+/K+-ATPase) α- and β-subunits in normal laryngeal tissue and laryngeal carcinoma. Results Messenger RNAs encoding both the α- and β-subunits were found in the normal epiglottic, ventricular fold, vocal fold, and arytenoid mucosae, as well as epiglottic cartilage. The distributions and expression levels of H+/K+-ATPase α-subunits in various laryngeal subregions did not significantly differ in IHC, RT-PCR, or Western blotting. However, Western blotting revealed a significant difference between the expression level of the β-subunit protein in the epiglottic cartilage and the levels in other sites. The expression levels of both subunits were significantly higher in carcinomatous than in paracarcinomatous tissue and normal laryngeal tissue. The mean follow-up duration was 66.2 months (range, 17–162 months). In all, 4 patients died during follow-up, 4 were lost to follow-up, and 22 were alive and free of disease at the end of follow-up. Two patients developed lung metastases and six developed disease recurrences (at 2, 8, 14, 16, 36, and 41 months). The 3- and 5-year overall survival (OS) rates were 93.0% and 77.0%, respectively. Univariate analyses showed that the 5-year OSs were significantly associated with the T, N, and clinical stages but not with age, alcohol use, pathological differentiation, or the expression levels of the α- or β-subunits (as revealed by IHC, RT-PCR, or Western blotting). However, in multivariate regression analyses, the 5-year OSs were not significantly associated with any clinicopathological factor or the expression levels of either subunit. Conclusion H+/K+-ATPase is expressed in the normal larynx, including in the epiglottic cartilage and the mucosae of the epiglottis, ventricular fold, and arytenoid vocal fold. The expression levels of the H+/K+-ATPase α- and β-subunits in laryngeal carcinomas were higher than in normal laryngeal tissues.
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Proton pump inhibitors for the treatment of laryngopharyngeal reflux disease: A protocol for systematic review and meta-analysis. Medicine (Baltimore) 2020; 99:e23297. [PMID: 33285706 PMCID: PMC7717745 DOI: 10.1097/md.0000000000023297] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 10/22/2020] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Laryngopharyngeal Reflux disease refers to abnormal reflux of gastric contents through the esophagus into the throat, which irritates and damages the pharyngeal mucosa, and causes corresponding symptoms. Proton Pump Inhibitors are an important class of gastric acid secretion inhibitors after H2 receptor blockers, which can be used clinically to treat peptic ulcer, abnormal gastric acid secretion and other related diseases. The common clinical drugs include omeprazole, lansoprazole, rabeprazole and so on. Clinical practice has shown that Proton Pump Inhibitors have a good therapeutic effect on Laryngopharyngeal Reflux disease, but evidence of evidence-based medicine is lacking. The purpose of this protocol is to systematically evaluate the efficacy and safety of Proton Pump Inhibitors in the treatment of Laryngopharyngeal Reflux disease and to improve the evidence-based basis for the clinical application of Proton Pump Inhibitors in the treatment of Laryngopharyngeal Reflux disease. METHODS English computer retrieval database (PubMed, Embase, Web of Science, the Cochrane Library) and Chinese computer retrieval database (Wanfang Database, VIP Information Chinese Journal Service Platform, Chinese Biomedical Database) . In addition, Baidu Scholar and Google Scholar were manually searched for randomized controlled clinical studies on the treatment of laryngeal reflux disease with Proton Pump Inhibitors from the establishment of the database to July 2020. Two researchers independently extracted and evaluated the data of the included studies, and meta-analysis was conducted on the included literatures with RevMan5.3 software without language restrictions. RESULTS In this study, the efficacy and safety of Proton Pump Inhibitors in the treatment of Laryngopharyngeal Reflux disease are evaluated by the overall response rate, clinical symptom remission rate and other indicators. CONCLUSIONS This study will provide reliable evidence-based evidence for the clinical application of Proton Pump Inhibitors in the treatment of Laryngopharyngeal Reflux disease.OSF Registration number: DOI 10.17605 / OSF.IO / NY6SC.
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[Analysis of the effect of noninvasive positive-pressure ventilation with simultaneous detection of Dx-pH monitoring in oropharynx and esophagus for 48 hours in patients with moderate and severe OSA]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2020; 34:1083-1087. [PMID: 33254340 PMCID: PMC10127794 DOI: 10.13201/j.issn.2096-7993.2020.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Indexed: 11/12/2022]
Abstract
Objective:To investigate the effect of noninvasive positive-pressure ventilation(NPPV) on the related indexes of gastroesophageal reflux(GER) and laryngopharyngeal reflux(LPR) in patients with moderate and severe obstructive sleep apnea(OSA). Method:This was a retrospective study of 23 cases with moderate or severe OSA and suspected laryngopharyngeal reflux disease (LPRD). The results of 48h-pH monitoring of oropharynx and esophagus, polysomnography(PSG) and NPPV were analyzed to explore the relationship between reflux related parameters and sleep disordered respiratory. To analyze the impact of NPPV on reflux, the data related to nocturnal reflux with or without NPPV treatment was compared. Result:On the first day of Dx-pH, 5 cases of LPRD were diagnosed with a positive Ryan score rate of 21.7%. There were 19 cases(82.6%) with more than one nocturnal reflux event with pH6.0 as the threshold. Ten cases of GERD were diagnosed with a positive DeMeester score rate of 43.5%. The lowest pH value of oropharynx and esophagus was negatively correlated with the obstructive apnea index(OAI). The total number of reflux episodes falling below pH thresholds of 6.0 and the duration of the longest episode of gastroesophageal reflux were positively correlated with AHI and OAI(P<0.05). On the night of NPPV treatment, the lowest pH value in the oropharynx increased, while the total number of reflux episodes below pH6.0 and the percentage time below pH5.0 decreased(P<0.05). Similar significant difference was found in the GER parameters(P<0.05). Conclusion:OSA patients were associated with a higher incidence of GER at night and a certain degree of LPR. NPPV treatment can not only effectively improve GER, but also reduce LPR to a certain extent.
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The impact of laryngopharyngeal reflux disease on 95 hospitalized patients with COVID-19 in Wuhan, China: A retrospective study. J Med Virol 2020; 92:2124-2129. [PMID: 32396239 PMCID: PMC7272861 DOI: 10.1002/jmv.25998] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/02/2020] [Accepted: 05/07/2020] [Indexed: 01/08/2023]
Abstract
Studies have demonstrated that comorbidities, especially cardiovascular and endocrine diseases, correlated with poorer clinical outcomes. However, the impact of digestive system diseases has not been issued. The aim of this study is to determine the impact of laryngopharyngeal reflux disease (LPRD) on hospitalized patients with coronavirus disease 2019 (COVID‐19). We extracted clinical data regarding 95 patients in Wuhan Jinyintan Hospital, Wuhan, China, between 26 January and 21 February 2020. The Reflux Symptom Index (RSI) was used to assess the presence and severity of LPRD. An RSI greater than 13 is considered to be abnormal. A total of 95 patients with COVID‐19 were enrolled, with 61.1% (58/95), 32.6% (31/95), and 6.3% (6/95) being moderately ill, severely ill, and critically ill, respectively. In this study, 38.9% (37/95) of the patient had an RSI score over 13, which was indicative of LPRD. In univariable analysis, the age and RSI scores of severely or critically ill patients were statistically significantly higher than patients with moderate disease (P = .026 and P = .005, respectively). After controlling for age difference in a multivariable model, the RSI greater than 13, compared to RSI equal to 0, was associated with significantly higher risk of severe infection (P < .001; odds ratio [OR] = 11.411; 95% confidence interval [CI], 2.95‐42.09) and critical infection (P = .028; OR= 19.61; 95% CI, 1.38‐277.99). Among hospitalized patients with COVID‐19, RSI scores greater than 13, indicative of LPRD, correlated with poorer clinical outcomes. The prevalence of LPRD may be higher than the general population, which indicated that COVID‐19 can impair the upper esophageal sphincter and aggravate reflux. The imapct of laryngopharyngeal reflux disease (LPRD) has been analyzed. The prevalence of LPRD in patients with COVID‐19 may be higher than the general population. The RSI score greater than 13, indicative of LPRD, correlated with poorer clinical outcomes.
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Examining Referral Patterns between Otolaryngology and Gastroenterology: A Window into Potential Inter-Specialty Knowledge Gaps. Ann Otol Rhinol Laryngol 2020; 129:801-805. [PMID: 32249595 DOI: 10.1177/0003489420916215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE The objective of this study was to examine referral patterns between otolaryngology and gastroenterology in order to delineate areas of clinical overlap, as well as to identify areas that might benefit from improved inter-specialty communication and collaboration. METHODS Montefiore's Clinical Looking Glass tool was used to define parameters for electronic medical record data extraction from 2015 to 2018. Two cohorts were generated, one representing referrals placed by gastroenterology to otolaryngology and a second representing referrals placed by otolaryngology to gastroenterology. The ICD-10 codes in both cohorts were reviewed and 13 distinct "reason for referral" categories were defined. The rates of referral for each category were then calculated for each of the referral cohorts. RESULTS Otolaryngology referred to gastroenterology at a greater rate than gastroenterology referred to otolaryngology, despite seeing fewer total patients than gastroenterology. For referrals from gastroenterology to otolaryngology, the three most frequent referral reasons were oral cavity/oropharyngeal pathology (28.3%), dysphagia (28.3%), and gastroesophageal reflux disease/laryngopharyngeal reflux disease (GERD/LPRD) (11.3%). For referrals from otolaryngology to gastroenterology, the three most frequent referral reasons were GERD/LPRD (61.7%), dysphagia (18.6%), and esophageal pathology (5.3%). CONCLUSIONS GERD/LPRD was more frequently referred out by otolaryngology than it was by gastroenterology, suggesting the need for further characterization of the discrepancy in management of a disease commonly treated by both specialties. The discrepant rates of referral for dysphagia also suggest a need to better understand what factors contribute to the differences in management of another clinical condition commonly assessed by both specialties. LEVEL OF EVIDENCE 4.
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Knowledge of laryngopharyngeal reflux disease among otolaryngologists in 3A hospitals in Beijing. J Int Med Res 2019; 48:300060519888311. [PMID: 31774012 PMCID: PMC7604999 DOI: 10.1177/0300060519888311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE This study aimed to evaluate knowledge of laryngopharyngeal reflux disease (LPRD) among otolaryngologists in 3A hospitals in Beijing. METHODS A cross-sectional questionnaire survey of LPRD knowledge was conducted with otolaryngologists in 40 3A hospitals in Beijing. A response rate of <80% was obtained from one hospital, so data from 331 valid questionnaires from the other 39 hospitals were analysed. RESULTS The most common source of LPRD knowledge was academic lectures (80.1%). The most commonly known risk factors, symptoms, clinical signs and associated diseases were unhealthy eating habits (49.2%), foreign body sensation in the pharynx (71.0%), hyperaemia (42.3%) and pharyngolaryngitis (63.7%), respectively. Only 57.7% of otolaryngologists knew about 24-hour pH monitoring as a gold standard diagnostic test for LPRD. The most commonly known treatment option was medication (93.1%). Most physicians (86.7%) had made a clinical diagnosis of LPRD; however, only 59.9% of them had followed up the treatment outcomes. The most common treatment provided was medication (82.6%). CONCLUSIONS Knowledge of LPRD among otolaryngologists in 3A hospitals in Beijing was insufficient. Educational programs are needed to increase the knowledge of LPRD among otolaryngologists.
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Rethinking the laryngopharyngeal reflux treatment algorithm: Evaluating an alternate empiric dosing regimen and considering up-front, pH-impedance, and manometry testing to minimize cost in treating suspect laryngopharyngeal reflux disease. Laryngoscope 2017; 127 Suppl 6:S1-S13. [PMID: 28842999 DOI: 10.1002/lary.26806] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 06/22/2017] [Accepted: 06/27/2017] [Indexed: 01/06/2023]
Abstract
OBJECTIVES/HYPOTHESIS Empiric proton pump inhibitor (PPI) trials for laryngopharyngeal reflux (LPR) are common. A majority of the patients respond to acid suppression. This work intends to evaluate once-daily, 40 mg omeprazole and once-nightly, 300 mg ranitidine (QD/QHS) dosing as an alternative regimen, and use this study's cohort to evaluate empiric regimens prescribed for LPR as compared to up-front testing with pH impedance multichannel intraluminal impedance (MII) with dual pH probes and high-resolution manometry (HRM) for potential cost minimization. STUDY DESIGN Retrospective cohort review and cost minimization study. METHODS A chart review identified patients diagnosed with LPR. All subjects were treated sequentially and outcomes recorded. Initial QD/QHS dosing increased after 3 months to BID if no improvement and ultimately prescribed MII and HRM if they failed BID dosing. Decision tree diagrams were constructed to determine costs of two empiric regimens and up-front MII and HRM. RESULTS Ninety-seven subjects met the criteria. Responders and nonresponders to empiric therapy were identified. Seventy-two subjects (74%) responded. Forty-eight (67% of responders and 49% of all) improved with QD/QHS dosing. Forty-nine (51%) subjects escalated to BID dosing. Twenty-four subjects (33% of responders and 25% of all) improved on BID therapy. Twenty-five subjects (26%) did not respond to acid suppression. Average weighted cost was $1,897.00 per patient for up-front testing, $3,033.00 for initial BID, and $3,366.00 for initial QD/QHS. CONCLUSIONS An alternate QD/QHS regimen improved the majority who presented with presumed LPR. Cost estimates demonstrate that the QD/QHS regimen was more expensive than the initial BID high-dose PPI for 6 months. Overall per-patient cost appears less with up-front MII and HRM. LEVEL OF EVIDENCE 4. Laryngoscope, 127:S1-S13, 2017.
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Expression of CAIII and Hsp70 Is Increased the Mucous Membrane of the Posterior Commissure in Laryngopharyngeal Reflux Disease. Yonsei Med J 2016; 57:469-74. [PMID: 26847302 PMCID: PMC4740542 DOI: 10.3349/ymj.2016.57.2.469] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 06/25/2015] [Accepted: 07/21/2015] [Indexed: 11/27/2022] Open
Abstract
PURPOSE We tried to evaluate the difference in the expression of carbonic anhydrase (CA) III and heat shock protein (Hsp) 70 between laryngopharyngeal reflux disease (LPRD) and non-LPRD patients. MATERIALS AND METHODS The study involved 28 patients who underwent laryngeal microsurgery due to benign laryngeal disease from March to August 2008. Reflux symptom index (RSI) and reflux finding score (RFS) were measured for each person, and they were assigned either to the LPRD group (n=10) or non-LPRD group (n=18). Tissue samples were obtained from the mucosa of posterior commissure, and immunohistochemistry (IHC) staining of CAIII and Hsp70 was performed. The IHC scores were measured and compared with clinical features including RSI and RFS. RESULTS Total 10 patients were assigned as LPRD group, and 18 patients were as control group. The mean IHC score of CAIII and Hsp70 was 1.70 ± 1.06 and 1.90 ± 0.88, respectively, in LPRD patients, whereas the mean IHC score of CAIII and Hsp70 was 0.78 ± 0.73 and 0.94 ± 0.87, respectively, in non-LPRD patients. The difference between two groups was statistically significant (p<0.05). CONCLUSION CAIII and Hsp70 expressions were higher in LPRD patients that in non-LPRD patients, suggesting the possibility as one of biomomarker in LPRD diagnosis.
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High Prevalence of Laryngopharyngeal Reflux Disease in Patients With Lumbar Kyphosis. J Voice 2016; 30:773.e1-773.e5. [PMID: 26739854 DOI: 10.1016/j.jvoice.2015.11.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 11/18/2015] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To evaluate the relationship between laryngopharyngeal reflux disease and presence of lumbar kyphosis. STUDY DESIGN A cross-sectional study. METHODS We included 20 patients with lumbar kyphosis and 31 control subjects. A diagnosis of laryngopharyngeal reflux disease and gastroesophageal reflux disease was made if the Reflux Symptom Index score was ≥13 and if the Frequency Scale for the Symptoms of Gastroesophageal Reflux Disease was ≥8, respectively. We compared the prevalence of the two reflux diseases, frequent reflux symptoms, and demographic factors between the two groups. RESULTS There was no significant difference in demographic factors between the two groups. Five (25%) of 20 patients with lumbar kyphosis had a Reflux Symptom Index ≥13 compared with one (3.2%) of 31 controls. Seven (35.0%) of 20 patients had a Frequency Scale for the Symptoms of Gastroesophageal Reflux Disease ≥8 compared with three (9.7%) of 31 controls. A comparison of the prevalence of laryngopharyngeal reflux disease and gastroesophageal reflux disease showed a significant difference between patients with kyphosis and controls (P value = 0.029 and 0.036, respectively). In Reflux Symptom Index, heartburn, hoarseness, and a swallowing problem were significantly frequent symptoms in the kyphosis group compared with the control group. CONCLUSIONS The prevalence of laryngopharyngeal reflux disease and gastroesophageal reflux disease was significantly higher in patients with lumbar kyphosis than in controls. Therefore, otolaryngologists and orthopedic surgeons should be aware that patients with lumbar kyphosis are likely to have gastroesophageal reflux disease and also laryngopharyngeal reflux disease.
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