Laryngopharyngeal reflux: position statement of the committee on speech, voice, and swallowing disorders of the American Academy of Otolaryngology-Head and Neck Surgery

Diagnostic Accuracy of Patient-Reported Outcome Measures and Finding Instruments in Laryngopharyngeal Reflux Disease

OBJECTIVE

To investigate the diagnostic accuracy of various combinations of patient-reported outcome measures (PROMs) and upper aerodigestive tract finding instruments dedicated to the clinical diagnosis of laryngopharyngeal reflux disease (LPRD).

STUDY DESIGN

Prospective, multicenter study.

SETTING

University hospital.

METHODS

Patients with LPRD at the 24-hour hypopharyngeal-esophageal multichannel intraluminal impedance-pH monitoring were recruited from three European hospitals. Asymptomatic individuals served as the control group. Participants completed the Reflux Symptom Index (RSI), Reflux Symptom Score (RSS), and Reflux Symptom Score-12 (RSS-12) at baseline and 3-month posttreatment. Clinical signs were evaluated with the Reflux Finding Score (RFS), Reflux Sign Assessment (RSA), and Reflux Sign Assessment-10 (RSA-10). Sensitivity (SE), specificity (SP), positive predictive value (PPV), and negative predictive value (NPV) were calculated for each instrument and their combinations.

RESULTS

A total of 542 LPRD patients and 204 healthy controls were included. The RSS was the PROM with the highest SE (95.4%), whereas RSS-12 reported the highest SP (94.7%). RSA had the highest SE (94.0%), and RSA-10 reported the highest SP (76.3%). The highest SE and SP of combination tools were found for RSS+RSA (90.4%) and RSS+RSA-10 (99.4%), respectively. RSS+RSA-10 achieved the highest PPV value (99.7%) and RSS+RSA had the highest NPV (79.3%). Overall, the RSS demonstrated the greatest diagnostic accuracy with an area under the curve (AUC) of 0.985. The combination RSS+RSA reported an AUC of 0.934.

CONCLUSION

The combination of RSS and RSA provided the most accurate diagnostic performance, maximizing SE, SP, PPV, and NPV. This combination offers enhanced utility for the preliminary diagnosis of LPRD.

Future Directions in Managing and Treating Laryngopharyngeal Reflux Disease for Improving Patient Care

The etiologic mechanisms associated with the occurrence of pharyngeal reflux events, and the development of laryngopharyngeal reflux disease (LPRD) remains incompletely understood. A transversal and multidimensional approach evaluating diet, autonomic nerve dysfunction, gastroesophageal motility, microbiome alteration, and concentration of gastroduodenal enzymes in the ear, nose, and throat mucosa is needed. In addition, development of artificial intelligence software could improve selection of more personalized treatments and pretreatment to posttreatment clinical evaluations. However, the unawareness of LPRD in medicine and surgery remains the primary limiting factor for improving current LPRD knowledge and patient care.

Neural-Mediated Laryngopharyngeal Reflux Disease and the Role of Esophageal Dysmotility

The diagnosis and management of laryngopharyngeal reflux (LPR) remain challenging due to complex pathophysiological interactions, including autonomic nerve dysfunction and impaired esophageal motility. The lack of definitive diagnostic tools, insufficient exclusion of alternative causes, and variability in study design and methodology often lead to inconsistent treatment responses and suboptimal outcomes. Functional laryngeal disorders and hypersensitivity further complicate accurate diagnosis and management. High-resolution manometry, combined with multichannel impedance testing, has highlighted the role of esophageal dysmotility in LPR symptoms. This article focuses on the neural-mediated mechanisms and esophageal dysmotility contributing to LPR.

Bama pig is a suitable animal for studying laryngopharyngeal reflux disease

Objective

To assess the suitability of Bama pigs as a model for laryngopharyngeal reflux disease (LPRD) research.

Methods

Sixteen 8-month-old male Bama pigs underwent esophageal manometry to determine the precise anatomical positioning of the upper (UES) and lower esophageal sphincters (LES) relative to the incisor teeth, as well as their respective contraction intensities. The pigs were randomly allocated into three experimental groups (n = 6, 5, 5), with each group subjected to Dx PH-probe monitoring. In Group 1, animals were fasted for 24 hours and water-deprived for 6 hours before undergoing pH monitoring under anaesthesia. Group 2 was anaesthetised two hours post-normal feeding and subsequently monitored. Group 3 also received anaesthesia two hours after eating but were monitored in an awake state.

Results

The mean distance from the UES to the incisor teeth was found to be 19.8 ± 1 cm, while the LES was located at 40 ± 2.5 cm. The resting pressure measurements revealed a mean value of 64 ± 12 mmHg for the UES and 20 ± 4 mmHg for the LES in Bama pigs. Laryngopharyngeal pH values across the three groups were 7 ± 0.6, 7 ± 0.5, and 7.4 ± 1.2, respectively, showing no significant differences or reflux events. Similarly, there was no statistically significant difference in the lower oesophageal pH between Group 1 and Group 2.

Conclusions

The Bama pig emerges as a suitable animal model for studying LPRD, given its comparable physiological parameters. The feasibility of establishing a reflux model in Bama pigs and using it to investigate the underlying mechanisms of LPRD is convincingly supported by these findings.

Baseline Impedance via Manometry Predicts Pathological Mean Nocturnal Baseline Impedance in Isolated Laryngopharyngeal Reflux Symptoms

Background/Aims

Distal mean nocturnal baseline impedance (MNBI) measuring via pH-impedance may be valuable in diagnosing patients with suspected laryngopharyngeal reflux (LPR). However, its wide adoption is hindered by cost and invasiveness. This study investigates whether baseline impedance measured during high-resolution impedance manometry (HRIM-BI) can predict pathological MNBI.

Methods

A cross-sectional study in Taiwan included 74 subjects suspected of LPR, who underwent HRIM (MMS) and pH-impedance testing (Diversatek), after stopping proton pump inhibitors for more than 7 days. Subjects with grade C or D esophagitis or Barrett's esophagus were excluded. The cohort was divided into 2 groups: those with concomitant typical reflux symptoms (CTRS, n = 28) and those with isolated LPR symptoms (ILPRS, n = 46). HRIM-BI measurements focused on both distal and proximal esophagi. Pathological MNBI was identified as values below 2065 Ω, measured 3 cm above the lower esophageal sphincter.

Results

In all subjects, distal HRIM-BI values correlated weakly with distal MNBI(r = 0.34-0.39, P < 0.005). However, in patients with ILPRS, distal HRIM-BI corelated moderately with distal MNBI(r = 0.43-0.48, P < 0.005). The areas under the receiver operating characteristic curve was 0.78 (P = 0.001) with a sensitivity of 0.83 and a specificity of 0.68. No correlation exists between distal HRIM-BI and distal MNBI in patients with CTRS, and between proximal HRIM-BI and proximal MNBI in both groups.

Conclusions

Distal HRIM-BI from HRIM may potentially predict pathological MNBI in patients with ILPRS, but not in those with CTRS. Future outcome studies linked to the metric are warranted.

Scintigraphic Imaging of Extra-Esophageal Manifestation of Gastresophageal Reflux Disease

OBJECTIVES

There is currently no reference standard test for the detection of the extra-esophageal manifestations of gastroesophageal reflux disease (GERD). The current suite of diagnostic tests principally assesses reflux events in the esophagus. A new scintigraphic technique has been developed and validated against reference standards. It allows direct visualization of refluxate in the laryngopharynx and lungs.

METHODS

Fifty patients were assessed by scintigraphy before and after fundoplication at a single nuclear medicine facility. Standardized reflux symptom indices (RSIs) were obtained from each patient before and after surgery. Patients were scanned after oral 99 m technetium Fyton administration with early dynamic images and delayed SPECT/CT images of the head, neck, and lungs. ANOVA, Spearman correlation, and the Student's t-test were utilized for analysis.

RESULTS

The study population (35F, 15 M) had a mean age of 63.9 years. Mean BMI was 26.8 with 67% being overweight or obese. All patients had significant reflux. SPECT/CT showed LPR events in 45/50 and pulmonary micro-aspiration (PMA) in 45/50 preoperatively and in 36/50 and 20/50 postoperatively, respectively. The RSI, cough, and throat clearing indices showed a significant fall postoperatively (p < 0.001). Frequency of scintigraphic reflux events was reduced from a mean of 4.5 in 30 min to 2.9 (t = 9.1, p = 0.004).

CONCLUSION

The novel scintigraphic test detects esophageal and extra-esophageal reflux events and permits direct visualization of refluxate in the head and neck structures and lungs. It correlates well with symptoms of reflux in the esophagus and extra-esophageal structures and the response to therapy.

LEVEL OF EVIDENCE

Although prospective, the study did not randomize patients and in effect each patient became their own control following an intervention (fundoplication). Thus, the study is Level 3 evidence Laryngoscope, 135:73-79, 2025.

Potential Chemopreventive Role of Proton Pump Inhibitors in Head and Neck Cancer: Insights from a Nested Case-Control Analysis of a National Health Screening Cohort

Background/Objectives: This study investigated the potential chemopreventive role of proton pump inhibitor (PPI) use in relation to the occurrence of head and neck cancer (HNC) within a national cohort amid concerns of PPI overprescription. Methods: From a cohort of 1,137,861 individuals and 219,673,817 medical claim records collected between 2005 and 2019, 1677 HNC patients were identified and matched 1:4 with 6708 controls after adjusting for covariates. Odds ratios (ORs) for PPI use and its duration in relation to HNC and its subsites were estimated using propensity score overlap-weighted multivariable logistic regression. Additional subgroup analyses were performed based on age, sex, income level, and geographic region. Results: In the crude model, both current (OR 7.85 [95% CI 6.52-9.44]) and past PPI (OR 1.44 [95% CI 1.23-1.70]) use were associated with increased odds for HNC. However, after overlap weighting, this association reversed for both current (aOR 0.14 [95% CI 0.11-0.17]) and past PPI (aOR 0.69 [95% CI 0.60-0.79]). Subsite analysis showed reduced odds for hypopharyngeal (aOR 0.33, [95% CI 0.25-0.43]) and laryngeal cancer (aOR 0.19 [95% CI 0.16-0.22]) in current PPI users and similar results for past users. Conclusions: This study suggests a potential chemopreventive effect of PPIs, particularly in hypopharyngeal and laryngeal cancers. Additional studies are required to investigate the mechanisms underlying the association of the development of HNC with PPI use.

Link between pharyngeal acid reflux episodes and the effectiveness of proton pump inhibitor therapy

BACKGROUND

Diagnosing laryngopharyngeal reflux (LPR) is challenging due to overlapping symptoms. While proton pump inhibitors (PPIs) are commonly prescribed, reliable predictors of their responsiveness are unclear. Reflux monitoring technologies like dual potential of hydrogen (pH) sensors and multichannel intraluminal impedance-pH (MII-pH) could improve diagnosis. Research suggests that a composite pH parameter, defined by ≥ 2 pharyngeal acid reflux (PAR) episodes and/or excessive esophageal acid reflux (EAR), predicts PPI efficacy. The criteria for PAR episodes, a pharyngeal pH drop of ≥ 2 units to < 5 within 30 seconds during esophageal acidification, showed strong interobserver reliability. We hypothesized that PAR episodes alone might also predict PPI responsiveness.

AIM

To investigate whether PAR episodes alone predict a positive response to PPI therapy.

METHODS

Patients suspected of having LPR were prospectively recruited from otolaryngologic clinics in three Taiwanese tertiary centers. They underwent a 24-hour esophagopharyngeal pH test using either 3-pH-sensor or hypopharyngeal MII-pH catheters while off medication, followed by a 12-week esomeprazole course (40 mg twice daily). Participants were categorized into four groups based on pH results: PAR alone, EAR alone, both pH (+), and both pH (-). The primary outcome was a ≥ 50% reduction in primary laryngeal symptoms, with observers blinded to group assignments.

RESULTS

A total of 522 patients (mean age 52.3 ± 12.8 years, 54% male) were recruited. Of these, 190 (mean age 51.5 ± 12.4 years, 61% male) completed the treatment, and 89 (47%) responded to PPI therapy. Response rates were highest in the PAR alone group (73%, n = 11), followed by EAR alone (59%, n = 68), both pH (+) (56%, n = 18), and both pH (-) (33%, n = 93). Multivariate analysis adjusting for age, sex, body mass index, and endoscopic esophagitis showed that participants with PAR alone, EAR alone, and both pH (+) were 7.4-fold (P = 0.008), 4.2-fold (P = 0.0002), and 3.4-fold (P = 0.03) more likely to respond to PPI therapy, respectively, compared to the both pH (-) group. Secondary analyses using the definition of ≥ 1 PAR episode were less robust.

CONCLUSION

In the absence of proven hypopharyngeal predictors, this post-hoc analysis found that baseline ≥ 2 PAR episodes alone are linked to PPI responsiveness, suggesting the importance of hypopharyngeal reflux monitoring.

Salivary pH testing in Laryngopharyngeal Reflux Disease

To determine salivary pH in patients with Laryngopharyngeal Reflux (LPR) and compare it with that of normal individuals. A cross sectional analytical study was done. Adults with LPR as determined by Reflux Symptom Index (RSI) > 13 and Reflux Finding Score (RFS) > 7 were included in LPR group. Normal healthy adult participants with Reflux Symptom Index ≤ 3 and Reflux Finding Score ≤ 2 were included in non LPR group.32 participants were included in each groups. Salivary pH was determined in all participants using a standardized pH meter. Difference in salivary pH between two groups was statistically analyzed. The mean salivary pH in LPR group was 7.43 ± 0.77 and in non LPR group 7.0 ± 0.77. There was a statistically significant difference between the mean salivary pH between the two groups as determined by p value 0.004. The results of our exploratory study showed statistically significant difference in salivary pH between LPR and non LPR group. The salivary pH in 10(31.2%) out of 32 participants in LPR group was beyond the normal range and surprisingly the value was > 7.6, which was in contrast to acidic pH that was expected as per hypothesis. The rest 68.8% in LPR group had pH in the normal range. However salivary pH as a modality for diagnosing LPR cannot be concluded from such preliminary study with a small study population. This study forms a basis for future research for the role of salivary pH in LPR with better study designs and finer modalities of pH testing.

Gastroesophageal reflux disease, laryngopharyngeal reflux, and vocal cord dysfunction/inducible laryngeal obstruction-overlapping conditions that affect asthma

Asthma is a chronic lung condition that may be affected by numerous medical comorbidities. Such comorbidities can influence the presentation and even the severity of asthma. Alternatively, asthma may be misdiagnosed as a comorbidity when symptoms overlap. The 3 medical conditions that commonly affect asthma management are gastroesophageal reflux disease, laryngopharyngeal reflux, and vocal cord dysfunction/inducible laryngeal obstruction). These conditions can be difficult to distinguish from one another, as well as from asthma itself. In this review, the epidemiology, pathophysiology, symptomatology, and diagnostic considerations of each condition in both adult and pediatric populations are discussed. Treatment options, as well as how such options may influence asthma outcomes, are included. Finally, knowledge gaps in each area are highlighted, as a better understanding of the optimal diagnostic and therapeutic approaches will allow for improved individualized care of patients with asthma.

Laryngopharyngeal Reflux in Otolaryngology-Head and Neck Surgery Clinic: An Epidemiological Survey

Background and Objectives: Laryngopharyngeal reflux disease (LPRD) has been implicated in the etiology of many laryngeal disorders and is also closely related to the occurrence and progression of a variety of throat diseases, including chronic cough, leukoplakia of the larynx, dysphonia, and even laryngeal tumors. LPRD can significantly reduce the quality of life of patients and cause substantial medical and economic burdens to the society. Reflux Symptom Index (RSI), a self-administered 9-item outcomes instrument for laryngopharyngeal reflux (LPR), has been widely used to screen for LPRD, but there is a lack of feasibility studies on the use of RSI for LPRD screening and alternative diagnostic tools in otolaryngology-head and neck surgery (OHNS) clinics. To study the incidence, clinical characteristics, diagnostic status, and influencing factors of LPRD at OHNS clinics, RSI as an alternative diagnostic tool has also been studied. LPRD was defined as RSI > 13. Methods: Systematic collection of data by the RSI questionnaire was used to identify patients in the outpatient clinic suffering from LPRD; in addition, the personal history of participants was collected. Follow-up observation was carried out for 6 months for patients with suspected LPRD (RSI > 13), including whether they were treated with standardized anti-reflux therapy, and the questionnaire based on RSI was completed again after treatment. Results: The LPRD rate was 7.92% (94/1187) in this survey. The proportions of LPRD patients with smoking history (vs no smoking) and alcohol consumption history (vs. no alcohol consumption) were significantly higher (χ2 values: 7.025 and 4.562, and P values: .008 and .033; respectively). Smoking significantly increased the risk of LPRD (OR: 2.140, 95% CI: 1.058-4.331, P = .034). Among patients with LPRD positive, the incidence of "foreign body sensation in the throat" (symptom 8) score equal to 5 was the highest (19.15%). The severity of "excess mucus in the throat or postnasal drip" (symptom 3) contributed mostly to the total RSI score in patients with LPRD (r = .409, P < .001). ROC curve analysis showed that RSI ≥ 14 had a sensitivity of 72.9% and a specificity of 71.4% for the diagnosis of LPRD, with AUC = 0.797 (95% CI: 0.577-0.884, P < .001). Conclusions: The incidence of LPRD was high in patients we examined in OHNS clinics. We recommend that RSI can be used by otolaryngologists as a reliable tool for screening and diagnosing LPRD in OHNS clinics, which is beneficial for clinical practice.

Reflux Finding Score Using HD Video Chromoendoscopy: A Diagnostic Adjunct in Suspected Laryngopharyngeal Reflux?

OBJECTIVE

To explore the use of real-time virtual chromoendoscopy (i-scan) in characterizing the mucosal changes present in subjects with suspected laryngopharyngeal reflux (LPR) and to compare the inter-rater and intra-rater agreement of Reflux Finding Scores (RFS) from both laryngologists and general otolaryngologists (ORL) observing exams using both white light endoscopy (WLE) and i-scan.

METHODS

This is a cross-sectional study that included 66 subjects: 46 symptomatic and 20 asymptomatic of suspected LPR based on the reflux symptom index (RSI). Subjects underwent flexible video laryngoscopic evaluation of the larynx utilising both WLE and i-scan during one continuous exam. Subjects also underwent 24-hour oropharyngeal pH-monitoring (Dx-pH). Two laryngologists and two general otolaryngologists evaluated the anonymized videos independently using RFS. Dx-pH results were interpreted using the pH graph, report and RYAN score. Subjects were then designated into one of three groups: no reflux, acid reflux and alkaline reflux.

RESULTS

For the symptomatic group, no mucosal irregularities or early mucosal lesions were observed except in one subject who had granulation tissue. The mean RFS using WLE and i-scan were, respectively: 11.8 (SD 6.1) and 11.3 (SD 5.6) in symptomatic and 7.3 (SD 5.7) and 7.3 (SD 5.2) in asymptomatic group. The inter-rater agreement of RFS using WLE and i-scan for both groups were good with intraclass correlation, ICC of 0.84 and 0.88 (laryngologists); and 0.85 and 0.81 (ORL). The intra-rater agreement among all four raters were good to excellent and similar for both WLE and i-scan (ICC of 0.80 to 0.99). 47 of 66 subjects had evidence of LPR on Dx-pH results which more specifically showed 39 subjects had "acid reflux" and 8 had "alkaline reflux". Sixteen subjects demonstrated a positive RYAN score but showed none were significantly correlated with their RFS.

CONCLUSIONS

This study reports the first utilization of real-time video chromoendoscopy with i-scan technology through high-definition flexible endoscopes to attempt to characterize laryngopharyngeal findings in patients suspected of having LPR. Both general otolaryngologists and laryngologists were equally capable of reliably calculating the RFS using both WLE and i-scan, however no significant improvement in agreement or change in RFS was found when i-scan technology was employed.

LEVEL OF EVIDENCE

Level 2.

Different Characteristics of Oropharyngeal pH Changes in Different Laryngeal Diseases

OBJECTIVES

To evaluate the different characteristics of oropharyngeal pH changes in patients with different laryngeal diseases.

METHODS

A retrospective analysis was performed. The clinical data of 262 patients were summarized. The patients were divided into 4 groups. Group 1 included 123 patients with suspected laryngopharyngeal reflux disease (LPRD). Group 2 included 45 patients with vocal cord polyps. Group 3 included 40 patients with vocal cord leukoplakia. Group 4 included 54 patients with laryngeal carcinoma. Their reflux symptom indexes (RSIs), reflux finding scores (RFSs), and Dx-pH monitoring results were compared.

RESULTS

In total, 235 patients had abnormal RSI/RFS, 90 patients had abnormal Ryan scores. The rate of abnormal RSI/RFS of Group 1 was significantly higher than that of Group 4 (P = .001). Significant differences of the rates of abnormal Ryan scores existed between Groups 2 and 4 (P = .021) and Groups 3 and 4 (P = .027). There were obvious differences in upright Ryan scores between Groups 1 and 2 (P = .013), Groups 1 and 3 (P = .002), Groups 2 and 4 (P = .046), and Groups 3 and 4 (P = .009). There were significant differences in time percentage of oropharyngeal pH of upright 5.5∼6.5 and supine 5.0∼6.5 between Groups 1 and 3 as well as Groups 1 and 4 (upright: Groups 1 and 3: P = .017; Groups 1 and 4: P = .019. Supine: Groups 1 and 3: P = .018; Groups 1 and 4: P = .023).

CONCLUSIONS

There were different oropharyngeal pH characteristics in patients with different laryngeal diseases, which indicated laryngopharyngeal reflux may play different roles in different diseases through various patterns. Patients with vocal cord polyps, vocal cord leukoplakia, and laryngeal carcinoma had more and different patterns of oropharyngeal pH change than patients with LPRD. Patients with vocal cord polyps and vocal cord leukoplakia had more severe acid oropharyngeal pH change episodes than patients with laryngeal carcinoma.

The Impact of a Twice-daily Versus Once-daily Proton Pump Inhibitor Dosing Regimen on Laryngopharyngeal Reflux Symptoms: A Prospective Randomized Controlled Trial

Background/Aims

Proton pump inhibitors (PPIs) play a crucial role in managing laryngopharyngeal reflux (LPR), but the optimal dosing regimen remains unclear. We aim to compare the effectiveness of the same total PPI dose administered twice daily versus once daily in LPR patients.

Methods

We conducted a prospective randomized controlled trial at a tertiary referral hospital, enrolling a total of 132 patients aged 19 to 79 with LPR. These patients were randomly assigned to receive either a 10 mg twice daily (BID) or a 20 mg once daily (QD) dose of ilaprazole for 12 weeks. The Reflux Symptom Index (RSI) and Reflux Finding Score (RFS) were assessed at 8 weeks and 16 weeks. The primary endpoint was the RSI response, defined as a reduction of 50% or more in the total RSI score from baseline. We also analyzed the efficacy of the dosing regimens and the impact of dosing and duration on treatment outcomes.

Results

The BID group did not display a higher response rate for RSI than the QD group. The changes in total RSI scores at the 8-week and 16- week visits showed no significant differences between the 2 groups. Total RFS alterations were also comparable between both groups. Each dosing regimen demonstrated significant decreases in RSI and RFS.

Conclusions

Both BID and QD PPI dosing regimens improved subjective symptom scores and objective laryngoscopic findings. There was no significant difference in RSI improvement between the 2 dosing regimens, indicating that either dosing regimen could be considered a viable treatment option.

Association Between Height and Laryngopharyngeal Reflux: Analysis Using the 24-Hour Hypopharyngeal-Esophageal Multichannel Intraluminal Impedance-pH Monitoring

OBJECTIVE

Height has the strongest correlation with esophageal length among the external anthropometric indices. Based on the association between laryngopharyngeal reflux (LPR) and the upper esophageal sphincter, this study aimed to investigate the relationship between height and LPR.

METHODS

Retrospective chart analysis of patients who visited an outpatient clinic with symptoms of LPR and underwent a 24-hour hypopharyngeal-esophageal multichannel intraluminal impedance-pH (24-hr HEMII-pH) monitoring. The study analyzed the relationship between height and LPR by (1) in total of 219 patients, (2) in males and females, and (3) in patients under age 60 and over age 60.

RESULTS

The relationship between height and LPR was analyzed for a total of 219 patients. There was no statistical significance between the number of pharyngeal reflux episodes and the height of subjects. When same analysis was done according to gender, the number of pharyngeal reflux episodes decreased as height increased in males, which was statistically significant, but not in females. Further analysis was done according to age in male and female, respectively. In male under age 60, there was statistical significance between the number of pharyngeal reflux episodes and the height of subjects, but not in over age 60. Also, in female under age 60 and over age 60, there was no statistical significance between the number of pharyngeal reflux episodes and the height of subjects.

CONCLUSIONS

This study suggests a correlation between height and pharyngeal reflux events in males and individuals under 60 years old tested with the 24-hr HEMII-pH monitoring.

The Inclusion of Voice Assessments to Aid Diagnostic and Surgical Decision Making for Patients With Laryngopharyngeal Reflux

OBJECTIVE

Patients with suspected laryngopharyngeal reflux (LPR) present with a variety of symptoms, such as cough, hoarseness, and globus sensation, and often do not have the classic features associated with gastroesophageal reflux disease.

STUDY DESIGN

To achieve greater clarity in the symptom presentation, response to treatment, and the impact on vocal function among patients presenting with signs and symptoms consistent with LPR, we prospectively evaluated initial assessments and outcomes after medication or surgical management.

METHODS

A sample of 109 patients completed self-report measures of reflux symptoms, voice handicap, and underwent diagnostic workup by both laryngologist and foregut surgeon to include laryngoscopy, esophagogastroduodenoscopy, manometry and pH monitoring. Patients were then followed for at least 3 months, and outcomes of therapy were recorded.

RESULTS

The most common indicators on initial workup were reflux symptom inventory score ≥ 13 and at least one abnormality on manometry. Male patients were significantly more likely to demonstrate esophagitis on biopsy, abnormal upper esophageal sphincter mean pressure, and acid (vs nonacid) reflux. Older patients were more likely to have normal esophageal distal contractile integral activity. Significantly higher voice handicap ratings were observed among patients with a positive reflux indicator score in addition to abnormal upper esophageal sphincter mean basal pressure and contractile front velocity. Patients with acid versus nonacid reflux were equally as likely to report non-responsivity to antisecretory medications. Among a subset of patients with 3-month follow-up data (N = 39), reflux scores were significantly lower irrespective of treatment modality (surgical vs pharmacological intervention).

CONCLUSION

Extensive comprehensive workup did not reveal a single predictive indicator for LPR. Voice assessments may be more sensitive to upper esophageal symptomatology or dysfunction compared to reflux assessments, which may be better indicators of inflammation. Our collaborative data confirms the value of assessing vocal quality and impairment, especially in the presence of equivocal reflux indicators, as together these measures may achieve greater sensitivity to reflux issues and may aid in surgical decision making.

Image analysis in laryngopharyngeal reflux disease: A road less traveled

Background

Laryngopharyngeal reflux disease (LPRD) is a common condition affecting patients reporting to an otolaryngologist. However, the diagnosis of this condition is usually hinged on the combination of largely non-specific symptoms, and clinical findings on laryngoscopy. This study aimed at evaluating the utility of digital image analysis to quantitatively evaluate the severity of signs as recorded with laryngoscopy in patients of LPRD.

Methods

The study group included individuals who were aged between 18 and 65 years and reported to the ENT OPD. These were then divided into two groups depending on symptoms and laryngoscopic findings. The LPRD group had symptomatic patients with an Reflux finding score (RFS) score >7. Those with an RFS of <6 were designated as the 'Normal group'. The Laryngoscopic images were recorded and analyzed using Image J software as per the set protocol. The Red Green Blue (RGB) values of the laryngoscopic images of each group were obtained and subjected to statistical analysis.

Results

200 participants were enrolled in the study with 100 participants in the LPRD group (mean age = 46.2, 40 males, 60 females) and 100 in the control group (mean age = 43.6, 55 males, 45 females). The measured RGB values were more in the LPRD group as compared to the control group and the results were statistically significant (P < 0.001).

Conclusion

By providing an objective value to the degree of inflammation, RGB value measurement provides a quick, economical, adaptable tool for auxiliary and corroborative information for the diagnosis of LPRD.

Cost burden for healthcare and patients related to the unawareness towards laryngopharyngeal reflux

OBJECTIVE

To investigate the impact of physician unawareness towards laryngopharyngeal reflux (LPR) on healthcare costs.

METHODS

Patients with a confirmed LPR diagnosis were consecutively recruited from Belgian Hospitals. Demographics and clinical outcomes (impedance-pH testing features, reflux symptom score, and reflux sign assessment) were extracted. The past consultations and additional examinations dedicated to the investigation of laryngopharyngeal symptoms and findings without suspicion of LPR were collected. The estimated costs of consultations and procedures were those indicated in the National Health Insurance Institute's Charges for 2022. Part was reimbursed by the social security system, and the rest was paid by patients.

RESULTS

Seventy-six patients were recruited. Seventeen patients (22.4%) had no previous consultation or additional examination for their LPR-symptoms. The estimated mean (standard deviation) costs related to the unawareness of LPR for the healthcare system and patient, were 310.06 ± 370.49 €, and 54.05 ± 46.28 €, respectively. The highest estimated costs were related to gastroenterology consultations and procedures, which did not lead to a confirmation of LPR diagnosis. The total estimated cost for the Belgian healthcare system and patients (11,590,000 million), could range from 359 359 540 € to 1 078 078 620 €; and 62 643 950 € to 187 931 850 €, respectively. The estimated costs related to gastroenterology practice of patients with severe disease were significantly higher than patients with mild disease.

CONCLUSION

The unawareness of practitioners toward LPR leads to significant costs for healthcare system and patients. The teaching and awareness towards LPR need to be improved in medical schools and clinical practice.

Inflammatory Causes of Dysphagia in Children

Gastroesophageal reflux (GER) and eosinophilic esophagitis (EoE) are the most common inflammatory causes of pediatric dysphagia, but several other less prevalent conditions should be considered. These conditions can affect one or several aspects of the swallowing process. In some inflammatory conditions dysphagia may be an early symptom. Esophagoscopy and instrumental swallow studies are often needed to determine the underlying diagnosis and best treatment plan. In some inflammatory conditions dysphagia can portend a worse outcome and need for more aggressive treatment of the underlying condition. Consultations with speech language pathology, gastroenterology, dietetics, allergy/immunology and/or rheumatology are often needed to optimize management.

Adaptation and Validation of Reflux Symptom Index into Hindi Language (RSI-H®)

OBJECTIVE

The current study aimed to translate, culturally adapt, and validate the Reflux Symptomatic Index in the Hindi language. Secondly, we aimed to compare its outcomes between normal individuals and people suffering from laryngopharyngeal reflux.

STUDY DESIGN

Cross-sectional study design.

MATERIAL AND METHODS

The original Reflux Symptom Index was translated into Hindi language using the forward-backward translation method. A total of 192 participants were included in the study. Among 192 participants, 57 were healthy controls, and 135 were individuals with laryngopharyngeal reflux. Internal consistency, test-retest reliability, and clinical validity were measured.

RESULTS

The majority of the population reported the presence of globus sensation. Results revealed that the Hindi version of the Reflux Symptom Index exhibited an excellent internal consistency (ie, 0.829). A significant difference was found between the mean scores of both groups, and the excellent test-retest reliability score (ie, 0.94 & 0.96) was obtained.

CONCLUSION

We can conclude that the Hindi version of the Reflux Symptom Index exhibited a similar psychometric functional property as the Original version of the Reflux Symptom Index. So, the developed tool is a quick, reliable, and valid tool to assess laryngopharyngeal reflux.

Laryngopharyngeal reflux disease: Updated examination of mechanisms, pathophysiology, treatment, and association with gastroesophageal reflux disease

Laryngopharyngeal reflux disease (LPRD) is an inflammatory condition in the laryngopharynx and upper aerodigestive tract mucosa caused by reflux of stomach contents beyond the esophagus. LPRD commonly presents with sym-ptoms such as hoarseness, cough, sore throat, a feeling of throat obstruction, excessive throat mucus. This complex condition is thought to involve both reflux and reflex mechanisms, but a clear understanding of its molecular mechanisms is still lacking. Currently, there is no standardized diagnosis or treatment protocol. Therapeutic strategies for LPRD mainly include lifestyle modifications, proton pump inhibitors and endoscopic surgery. This paper seeks to provide a comprehensive overview of the existing literature regarding the mechanisms, patho-physiology and treatment of LPRD. We also provide an in-depth exploration of the association between LPRD and gastroesophageal reflux disease.

The Dubai Definition and Diagnostic Criteria of Laryngopharyngeal Reflux: The IFOS Consensus

OBJECTIVE

The objective of this work was to gather an international consensus group to propose a global definition and diagnostic approach of laryngopharyngeal reflux (LPR) to guide primary care and specialist physicians in the management of LPR.

METHODS

Forty-eight international experts (otolaryngologists, gastroenterologists, surgeons, and physiologists) were included in a modified Delphi process to revise 48 statements about definition, clinical presentation, and diagnostic approaches to LPR. Three voting rounds determined a consensus statement to be acceptable when 80% of experts agreed with a rating of at least 8/10. Votes were anonymous and the analyses of voting rounds were performed by an independent statistician.

RESULTS

After the third round, 79.2% of statements (N = 38/48) were approved. LPR was defined as a disease of the upper aerodigestive tract resulting from the direct and/or indirect effects of gastroduodenal content reflux, inducing morphological and/or neurological changes in the upper aerodigestive tract. LPR is associated with recognized non-specific laryngeal and extra-laryngeal symptoms and signs that can be evaluated with validated patient-reported outcome questionnaires and clinical instruments. The hypopharyngeal-esophageal multichannel intraluminal impedance-pH testing can suggest the diagnosis of LPR when there is >1 acid, weakly acid or nonacid hypopharyngeal reflux event in 24 h.

CONCLUSION

A global consensus definition for LPR is presented to improve detection and diagnosis of the disease for otolaryngologists, pulmonologists, gastroenterologists, surgeons, and primary care practitioners. The approved statements are offered to improve collaborative research by adopting common and validated diagnostic approaches to LPR.

LEVEL OF EVIDENCE

5 Laryngoscope, 134:1614-1624, 2024.

Continued PPI use and gastrointestinal evaluations after a negative pH study in patients with throat symptoms from possible extraesophageal GERD

Background

Recent guidelines have advocated for upfront pH testing in patients with isolated symptoms of extra-esophageal gastrointestinal reflux disease (EE-GERD) under the assumption that a negative pH study will prevent further gastrointestinal (GI) investigations, proton pump inhibitor (PPI) use, and reduce cost. We sought to evaluate if this actually occurs.

Methods

A retrospective study was performed on patients who underwent 24-hour combined pH-impedance testing off PPI for suspected EE-GERD. A negative study was defined as DeMeester score <14.7.

Results

59 patients were included (mean age 53.2; 50.8% women). Most (38, 64.4%) had a negative study. Findings of laryngopharyngoreflux on laryngoscopy did not predict pH results. Those with a negative study had the same number of followup GI appointments, repeat endoscopies, and repeat pH studies compared to those with a positive study (p=NS). While PPIs were more frequently stopped in those with a negative pH study, still 14 (36.8%) were continued on a PPI. At the end of the follow-up period (mean 43.6 months), 18 (47.4%) subjects with a negative pH study were still prescribed PPIs. Patients who were diagnosed with post-nasal drip or rhinits were significantly less likely to still be receiving a PPI (5.6% vs 35.0%, p=0.045).

Conclusions

Despite a negative pH study, a substantial number of patients with isolated EE-GERD symptoms are continued on a PPI and they undergo GI follow-up at the same rate as those with a positive study. These findings bring into question the recent recommendations for upfront pH testing in suspected EE-GERD and its reported cost savings.

Latin American consensus on diagnosis of gastroesophageal reflux disease

BACKGROUND

Diagnosing gastroesophageal reflux disease (GERD) can be challenging given varying symptom presentations, and complex multifactorial pathophysiology. The gold standard for GERD diagnosis is esophageal acid exposure time (AET) measured by pH-metry. A variety of additional diagnostic tools are available. The goal of this consensus was to assess the individual merits of GERD diagnostic tools based on current evidence, and provide consensus recommendations following discussion and voting by experts.

METHODS

This consensus was developed by 15 experts from nine countries, based on a systematic search of the literature, using GRADE (grading of recommendations, assessment, development and evaluation) methodology to assess the quality and strength of the evidence, and provide recommendations regarding the diagnostic utility of different GERD diagnosis tools, using AET as the reference standard.

KEY RESULTS

A proton pump inhibitor (PPI) trial is appropriate for patients with heartburn and no alarm symptoms, but nor for patients with regurgitation, chest pain, or extraesophageal presentations. Severe erosive esophagitis and abnormal reflux monitoring off PPI are clearly indicative of GERD. Esophagram, esophageal biopsies, laryngoscopy, and pharyngeal pH monitoring are not recommended to diagnose GERD. Patients with PPI-refractory symptoms and normal endoscopy require reflux monitoring by pH or pH-impedance to confirm or exclude GERD, and identify treatment failure mechanisms. GERD confounders need to be considered in some patients, pH-impedance can identify supragrastric belching, impedance-manometry can diagnose rumination.

CONCLUSIONS

Erosive esophagitis on endoscopy and abnormal pH or pH-impedance monitoring are the most appropriate methods to establish a diagnosis of GERD. Other tools may add useful complementary information.

Ocular Surface Disease as Extraesophageal Gastroesophageal Reflux Disease Manifestation: A Specific Therapeutic Strategy

PURPOSE

Gastroesophageal reflux disease (GERD) and laryngopharyngeal reflux (LPR) are common gastrointestinal disorders with extraesophageal manifestations (EGERD). Studies showed a correlation between GERD/LPR and ocular discomfort. Our aim was to report the prevalence of ocular involvement in patients with GERD/LPR, describe clinical and biomolecular manifestations, and provide a treatment strategy for this novel EGERD comorbidity.

METHODS

Fifty-three patients with LPR and 25 healthy controls were enrolled in this masked randomized controlled study. Fifteen naive patients with LPR were treated with magnesium alginate eye drops and oral therapy (magnesium alginate and simethicone tablets) with a 1-month follow-up. Clinical ocular surface evaluation, Ocular Surface Disease Index questionnaire, tear sampling, and conjunctival imprints were performed. Tear pepsin levels were quantified by ELISA. Imprints were processed for human leukocyte antigen-DR isotype (HLA-DR) immunodetection and for HLA-DR, IL8, mucin 5AC (MUC5AC), nicotine adenine dinucleotide phosphate (NADPH), vasoactive intestinal peptide (VIP), and neuropeptide Y (NPY) transcript expression (PCR).

RESULTS

Patients with LPR had significantly increased Ocular Surface Disease Index ( P < 0.05), reduced T-BUT ( P < 0.05), and higher meibomian gland dysfunction ( P < 0.001) compared with controls. After treatment, tear break-up time (T-BUT) and meibomian gland dysfunction scores improved to normal values. Pepsin concentration increased in patients with EGERD ( P = 0.01) and decreased with topical treatment ( P = 0.0025), significantly. HLA-DR, IL8, and NADPH transcripts were significantly increased in the untreated versus controls and comparable significant values were obtained after treatment ( P < 0.05). MUC5AC expression significantly increased with treatment ( P = 0.005). VIP transcripts were significantly higher in EGERD than in controls and decreased with the topical treatment ( P < 0.05). No significant changes were observed in NPY.

CONCLUSIONS

We report an increase in prevalence of ocular discomfort in patients with GERD/LPR. The observations of VIP and NPY transcripts demonstrate the potential neurogenic nature of the inflammatory state. Restoration of the ocular surface parameters suggests the potential usefulness of topical alginate therapy.

The Relation Between Endoscopic and Subjective Laryngopharyngeal Reflux Signs, Vocal Tract Discomfort, Voice Handicap, and Voice Disorder Type: Same Yet Different?

OBJECTIVES

This study aimed to investigate the relation between subjective voice-related symptoms and endoscopic findings in patients with different etiology of voice disorder and vocally healthy subjects with and without laryngopharyngeal reflux (LPR).

STUDY DESIGN

Retrospective cross-sectional study.

METHODS

The study involved 149 participants (106 female, 43 male) including 125 with various voice disorders (functional, structural, and neurogenic) and 24 vocally healthy individuals. For self-rating the German versions of the Voice Handicap Index (VHI), Vocal Tract Discomfort (VTD) Scale, and Reflux Symptom Index (RSI) were applied, while endoscopic evaluations utilized the Reflux Finding Score (RFS) and Reflux Sign Assessment (RSA). Statistical analyses incorporated ANOVA with Bonferroni posthoc tests to identify group variations. Correlations between VTD Scale, VHI, RSI, RFS, and RSA were evaluated using Pearson's correlation coefficient. To examine test sensitivity and specificity for the VTD Scale and RSA, we performed a receiver operating characteristics analysis. Youden's-Index was applied to determine the cut-off-value with best discriminatory abilities. The diagnosis of LPR was assumed when the criteria of RFS > 7 AND RSI > 13 was met.

RESULTS

Significant differences for all voice diagnosis groups and vocally healthy individuals for RFS and all three self-rating questionnaires were found. Moreover, there was significant correlation between VTD Scale and VHI and RSI as well as RSI and RFS, which was moderate, negative in the group of persons with LPR. However, there was no significant difference for RSA results between the vocally healthy or any diagnosis group.

CONCLUSION

Thus, the RFS may be more suitable to predict reflux and voice-related symptoms. The VTD Scale is a useful instrument in screening voice disorders but also LPR and can therefore be used as a tool for decision-making when transferring to a specialist.

Effects of a Proton-Pump Inhibitor on Postnasal Drip Symptoms in Patients With Laryngopharyngeal Reflux

Background and Objectives

Laryngopharyngeal reflux (LPR) is an increasingly common disease, characterized by stomach acid reflux reaching the upper airways. Postnasal drip (PND) is a known consequence of LPR, defined as mucus accumulation perceived in the posterior areas of the nose and throat. PND is among the most common causes of persistent cough, hoarseness, sore throat, and other symptoms, affecting the quality of life. This study aimed to evaluate the effects of a proton-pump inhibitor (PPI) on PND symptoms in patients with LPR.

Methods

We prospectively enrolled patients diagnosed with LPR at our institution between September 2019 and June 2020. The patients were randomly assigned to either the treatment group (20 mg of ilaprazole daily for 8 weeks) or the control group. The scores for the Reflux Symptom Index (RSI), Reflux Finding Score (RFS), and Sino-Nasal Outcome Test (SNOT)-20 were evaluated at baseline and at the end of treatment, focusing on PND symptoms.

Results

Eighty patients (28 men and 52 women; mean age, 48.8 years, range, 22-78 years) were enrolled, with 43 in the treatment group and 37 in the control group. The initial RSI, RFS, and SNOT-20 scores were similar between the two groups, and they decreased significantly only in the treatment group (p=0.002, p<0.001, and p=0.015, respectively). However, the PND symptom scores showed a significant decrease in the treatment group only in the RSI (p=0.012).

Conclusion

PPI treatment for 8 weeks may be effective in improving PND symptoms in patients with LPR.

Characteristics of Laryngopharyngeal Reflux in Patients with Chronic Cough Induced by Gastroesophageal Reflux Disease

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.

Reliability and Validity of the Chinese Version of Reflux Symptom Score

OBJECTIVE

To evaluate the reliability, validity and clinical value of the Chinese version of reflux symptom score (RSS) (RSS in Chinese).

METHODS

This was a prospective study that contained 42 healthy volunteers and 135 possible laryngopharyngeal reflux disease (LPRD) patients. Reflux symptom index, reflux finding score, oropharyngeal pH monitoring (Dx-pH monitoring), and RSS of each patient were performed. RSS was performed again after 1 week. Confirmed LPRD patients were treated with proton pump inhibitor (PPI) for 8 weeks. And RSS was performed again after treatment. The reliability and validity of RSS was evaluated.

RESULTS

The Cronbach's α coefficient of the Chinese version of RSS was 0.772, which indicated good internal reliability. The results of test-retest found all P values were less than 0.05, which supported good external reliability. The comparison of the results of RSS with oropharyngeal pH monitoring discovered a diagnostic coincidence rate of 83.70% and a positive predictive value of 84.96%, which showed good criterion validity. After 8 weeks treatment of PPI, RSS decreased significantly (pretreatment 84.79 ± 42.50，post-treatment 20.11 ± 22.82, P < 0.001), indicating good responsiveness to change of RSS. The score of quality of life impact of suspected LPRD patients was obviously higher than that of healthy volunteers (t = 7.153, P < 0.001). All patients and volunteers agreed that RSS in Chinese can evaluate their symptoms well.

CONCLUSION

RSS in Chinese had good internal and external reliability, good criterion validity and good responsiveness to change. The content and method of evaluation of RSS in Chinese was better and more comprehensive. RSS in Chinese could be a new instrument to evaluate LPRD in China.

Pepsin concentration in oral lavage fluid of rabbit reflux model constructed by dilating the lower esophageal sphincter

The aim of this study was to explore the changes in pH and pepsin concentrations in oral lavage fluid of rabbit reflux model. A total of 18 New Zealand rabbits were randomly divided into two groups. The lower esophageal sphincters (LESs) of the rabbits in the experimental group (EG) were dilated by balloon after the LESs were localized by manometry. The pH levels of the throat and the lower esophagus were monitored 1 week before and 2 weeks after inflation. Oral lavage fluid was collected 1 week before, and 2 and 8 weeks after inflation. The pH monitoring showed that the percentage of reflux time, the number of reflux events, and the longest time of reflux after the dilation (AE) in the EG were significantly higher than before the dilation (P < 0.01). The pepsin concentrations at 2 and 8 weeks AE in the EG were significantly higher than that before and that in the control group (P < 0.05). Based on receiver operating characteristic curve analysis, the best diagnostic threshold value was 30.3 ng/ml. The reflux model constructed by balloon inflation of the LES in rabbits is characterized by a decrease in throat pH and an increase in salivary pepsin concentration.

Is empiric proton pump inhibition in patients with symptoms of extraesophageal gastroesophageal reflux justified?

BACKGROUND

The prevalence of gastroesophageal reflux disease (GERD) has had a marked increase in Western countries with a paralleling interest in extraesophageal (EE) manifestations of GERD, including laryngopharyngeal reflux (LPR). There are considerable differences in clinical practice between gastroenterologists, otolaryngologists and pulmonologists.

METHODS

In this narrative review we address some of these controversies concerning EE manifestations of GERD and LPR.

RESULTS

It is disputed whether there is causal relationship between reflux and the numerous symptoms and conditions suggested to be EE manifestations of GERD. Similarly, the pathophysiology is uncertain and there are disagreements concerning diagnostic criteria. Consequently, it is challenging to provide evidence-based treatment recommendations. A significant number of patients are given a trial course with a proton pump inhibitor (PPI) for several months before symptoms are evaluated. In randomized controlled trials (RCTs) and meta-analyses of RCTs PPI treatment does not seem to be advantageous over placebo, and the evidence supporting that patients without verified GERD have any benefit of PPI treatment is negligible. There is a large increase in both over the counter and prescribed PPI use in several countries and a significant proportion of this use is without any symptomatic benefit for the patients. Whereas short-term treatment has few side effects, there is concern about side-effects after long-term use. Although empiric PPI treatment for suspected EE manifestations of GERD instead of prior esophageal 24-hour pH and impedance monitoring is included in several guidelines by various societies, this practice contributes to overtreatment with PPI.

CONCLUSION

We argue that the current knowledge suggests that diagnostic testing with pH and impedance monitoring rather than empiric PPI treatment should be chosen in a higher proportion of patients presenting with symptoms possibly attributable to EE reflux.

Perception of Proton Pump Inhibitor Side Effects Among Members of the American Broncho-Esophagological Association

OBJECTIVES

To investigate awareness of proton pump inhibitor (PPI) side effects and the resulting changes in reflux mana management among members of the American Broncho-Esophagological Association (ABEA) caring for adult patients in light of increasing concern for PPIs long-term adverse effects.

STUDY DESIGN

Cross-sectional survey study METHODS: Online surveys were electronically distributed to ABEA members assessing awareness of PPI side effects and current practice in reflux management.

RESULTS

374 ABEA members were contacted, of whom, 43 (11.5%) completed the survey. The majority of respondents (94.1%) selected laryngology as their principal focus. The entire cohort warned their patients about PPI side effects, with highest concern for osteoporotic risk. Most respondents (88.2%) had changed their PPI prescription frequency in light of recent studies on PPI side effects, with 55.9% avoiding PPI prescription and 94.1% limiting the duration of PPI courses. Instead of PPIs, 73.5% of responders prescribe H2-receptor blockers. The primary reasons for starting patients on PPIs were typical gastroesophageal reflux symptoms (47.1%), followed by laryngopharyngeal reflux symptoms (41.2%), and endoscopic findings suspicious for reflux (11.8%). Finally, the majority of respondents (82.4%) had referred at least one patient for surgical management of gastroesophageal reflux in the past year.

CONCLUSIONS

The majority of surveyed ABEA members were concerned about reports of PPI adverse effects and had modified their prescription patterns as a result. Avoidance of PPI recommendation was common, along with the preference for H2 blockers in the management of GERD and LPR. PPI side effects of greatest concern to broncho-esophagologists treating adult patients were osteoporosis, renal dysfunction and dementia.

LEVEL OF EVIDENCE: 5

Outpatient Clinical Markers for Laryngopharyngeal Reflux Disease: A Correlational Study

Laryngopharyngeal reflux disease (LPRD) is the result of retrograde flow of gastric contents to the laryngopharynx which comes in contact with tissues of the upper aerodigestive tract. Due to ill defined criteria for diagnosis & followup, LPRD patients are underdiagnosed & undertreated. Reflux Symptom Index (RSI) and the Reflux Finding Score (RFS) are two clinical methods which can be utilised especially in the outpatient setup. This study was done with the aim to assess various laryngoscopic findings in patients with LPRD diagnosed symptomatically and examine the correlation between the RSI & RFS by comparing these two indices. This prospective analytical study was conducted at a tertiary care centre in Bangalore in the Department of ENT for a period of 24 months between Dec 2020 to Dec 2022. The study included patients aged 18 to 60 years diagnosed with LPRD based on symptoms as per RSI score (> 13). RSI & RFS were assessed on diagnosis and patients were followed up for 1, 3 & 6 months for assessment. Total 96 patients were enrolled, with mean age of be 42.49 ± 11.33 years. Prevalence was found to be more in females (61.5%). The most common symptom according to RSI was frequent throat clearing & globus sensation (sensation of something sticking in throat) and most common finding according to RFS was erythema/hyperemia. The mean score of RSI and RFI was found to reduce with treatment at different intervals in follow-up visits. There was a significant strength of association between the RSI and RFS at baseline, 1st month, 3rd month and 6th month of follow-up (r = 0.568, r = 0.684, r = 0.774, r = 0.736 respectively) (p < 0.001).The RFS and RSI showed statistically significant strong relationships between total scores and sign and symptom characteristics. On follow-up, there was a significant reduction in the RSI which was also correlated with a reduction in RFS.

Translation and Validation of the Arabic Version of the Reflux Symptom Score, Short Version 12 (RSS-12)

BACKGROUND

The Reflux Symptom Score (RSS) is a patient-related outcomes measure (PROM) that was developed to diagnose Laryngopharyngeal reflux (LPR), by assessing the severity and frequency of specific symptoms and their respective impact on quality of life (QoL).

OBJECTIVE

To develop the Arabic version of RSS-12 (Ar-RSS-12), and to assess its validity and reliability.

METHOD

The RSS-12 was translated from French into Arabic using the forward-backward translation method, and the translated version underwent transcultural validation. A case-control study was conducted at the otolaryngology clinics of a referral hospital, during the period November to December 2022. It included 61 patients with LPR-related symptoms and a Reflux Symptom Index (RSI) score >13, and 61 control without LPR-related symptoms and negative RSI scores ≤13. The internal consistency, internal and external validity, and Test-Retest reliability of Ar-RSS-12 were analyzed.

RESULT

Patients had significantly higher scores than controls in all 12 items and total Ar-RSS and QoL impact scores, with high Z score values. Item scores showed variable correlation levels with total Ar-RSS score, with ear-nose-throat items showing the strongest correlation (Spearman's rho 0.592-0.866). The QoL scores were more strongly correlated to the symptoms' severity than frequency. The internal consistency was high, with Cronbach's alpha = 0.878. Regarding external validity, correlations with RSI score showed high Spearman's rho values for total Ar-RSS (0.905) and QoL total score (0.903). No statistically significant difference was observed between Test and Retest results in any of the 12 items' score or the total score and QoL, indicating the reproducibility of the test.

CONCLUSION

The Ar-RSS is a valid and reproducible tool for the screening, assessment, and monitoring of LPR in Arabic speaking patients. The inclusion of symptoms severity and frequency, as well as their individual effects on patient's QoL, support the superior clinical applications of RSS compared to other existing PROMs.

To Determine the Prevalence of Laryngopharyngeal Reflux in Patients of Various Throat Disorders and to Evaluate the Efficacy of Anti-reflux Therapy

To study the prevalence of Laryngopharyngeal reflux in individuals having throat complaints by applying the Reflux Symptom Index and Reflux finding score as a prognostic tool after anti reflux therapy. Materials and Methods: A Cross-sectional study of 75 patients of age 18 years and above with clinical diagnosis of Laryngopharyngeal reflux was conducted in ENT. Cases were examined with detailed history and thorough examination with indirect laryngoscopy and Hopkins 70 degree endoscope. Symptoms and findings of patients were assessed by Belafsky Reflux Symptom Index and Reflux Finding Score. Patients presenting Belafsky Reflux Symptom Index > 13 and also Reflux Finding Score > 7 were classified as having Laryngopharyngeal reflux. After 6 weeks of treatment, patients were reassessed and Reflux Symptom Index and Reflux finding score were calculated. Results: The mean age of the study subjects was 37.12 ± 12.39 years. Most common symptom reported based on RSI questionnaire was excessive throat mucus (81.33%) followed by clearing of throat (75%) and coughing on lying down and heartburn. Based on the Laryngoscopy, about 57.33% had thick endolarygeal mucus, 56% had diffuse erythema, 45.33% had granulations and 29.33% had subglottic edema. Based on the reflux symptom scores, we found 53.33% and 80% of patients based on reflux findings score to have Laryngopharyngeal Reflux. The mean Reflux Symptom Index scores were 16.25 ± 5.53 and 10.73 ± 4.40 and also the mean Reflux Finding scores were 13.81 ± 2.42 and 6.61 ± 2.16 respectively before and after the treatment which was statistically significant.

AGA Clinical Practice Update on the Diagnosis and Management of Extraesophageal Gastroesophageal Reflux Disease: Expert Review

DESCRIPTION

The purpose of this American Gastroenterological Association (AGA) Institute Clinical Practice Update is to review the available evidence and expert advice regarding the clinical management of patients with suspected extraesophageal gastroesophageal reflux disease.

METHODS

This article provides practical advice based on the available published evidence including that identified from recently published reviews from leading investigators in the field, prospective and population studies, clinical trials, and recent clinical guidelines and technical reviews. This best practice document is not based on a formal systematic review. The best practice advice as presented in this document applies to patients with symptoms or conditions suspected to be related to extraesophageal reflux (EER). This expert review was commissioned and approved by the AGA Institute Clinical Practice Updates Committee (CPUC) and the AGA Governing Board to provide timely guidance on a topic of high clinical importance to the AGA membership and underwent internal peer review by the CPUC and external peer review through standard procedures of Clinical Gastroenterology and Hepatology. These Best Practice Advice (BPA) statements were drawn from a review of the published literature and from expert opinion. Because systematic reviews were not performed, these BPA statements do not carry formal ratings of the quality of evidence or strength of the presented considerations. BEST PRACTICE ADVICE 1: Gastroenterologists should be aware of potential extraesophageal manifestations of gastroesophageal reflux disease (GERD) and should inquire about such disorders including laryngitis, chronic cough, asthma, and dental erosions in GERD patients to determine whether GERD may be a contributing factor to these conditions. BEST PRACTICE ADVICE 2: Development of a multidisciplinary approach to extraesophageal (EER) manifestations is an important consideration because the conditions are often multifactorial, requiring input from non-gastroenterology (GI) specialties. Results from diagnostic testing (ie, bronchoscopy, thoracic imaging, laryngoscopy, etc) from non-GI disciplines should be taken into consideration when gastroesophageal reflux (GER) is considered as a cause for extraesophageal symptoms. BEST PRACTICE ADVICE 3: Currently, there is no single diagnostic tool that can conclusively identify GER as the cause of EER symptoms. Determination of the contribution of GER to EER symptoms should be based on the global clinical impression derived from patients' symptoms, response to GER therapy, and results of endoscopy and reflux testing. BEST PRACTICE ADVICE 4: Consideration should be given toward diagnostic testing for reflux before initiation of proton pump inhibitor (PPI) therapy in patients with potential extraesophageal manifestations of GERD, but without typical GERD symptoms. Initial single-dose PPI trial, titrating up to twice daily in those with typical GERD symptoms, is reasonable. BEST PRACTICE ADVICE 5: Symptom improvement of EER manifestations while on PPI therapy may result from mechanisms of action other than acid suppression and should not be regarded as confirmation for GERD. BEST PRACTICE ADVICE 6: In patients with suspected extraesophageal manifestation of GERD who have failed one trial (up to 12 weeks) of PPI therapy, one should consider objective testing for pathologic GER, because additional trials of different PPIs are low yield. BEST PRACTICE ADVICE 7: Initial testing to evaluate for reflux should be tailored to patients' clinical presentation and can include upper endoscopy and ambulatory reflux monitoring studies of acid suppressive therapy. BEST PRACTICE ADVICE 8: Testing can be considered for those with an established objective diagnosis of GERD who do not respond to high doses of acid suppression. Testing can include pH-impedance monitoring while on acid suppression to evaluate the role of ongoing acid or non-acid reflux. BEST PRACTICE ADVICE 9: Alternative treatment methods to acid suppressive therapy (eg, lifestyle modifications, alginate-containing antacids, external upper esophageal sphincter compression device, cognitive-behavioral therapy, neuromodulators) may serve a role in management of EER symptoms. BEST PRACTICE ADVICE 10: Shared decision-making should be performed before referral for anti-reflux surgery for EER when the patient has clear, objectively defined evidence of GERD. However, a lack of response to PPI therapy predicts lack of response to anti-reflux surgery and should be incorporated into the decision process.

Diagnosis of Laryngopharyngeal Reflux: Past, Present, and Future-A Mini-Review

Laryngopharyngeal reflux (LPR) is a variant of gastroesophageal reflux disease (GERD) in which gastric refluxate irritates the lining of the aerodigestive tract and causes troublesome airway symptoms or complications. LPR is a prevalent disease that creates a significant socioeconomic burden due to its negative impact on quality of life, tremendous medical expense, and possible cancer risk. Although treatment modalities are similar between LPR and GERD, the diagnosis of LPR is more challenging than GERD due to its non-specific symptoms/signs. Due to the lack of pathognomonic features of endoscopy, mounting evidence focused on physiological diagnostic testing. Two decades ago, a dual pH probe was considered the gold standard for detecting pharyngeal acidic reflux episodes. Despite an association with LPR, the dual pH was unable to predict the treatment response in clinical practice, presumably due to frequently encountered artifacts. Currently, hypopharygneal multichannel intraluminal impedance-pH catheters incorporating two trans-upper esophageal sphincter impedance sensors enable to differentiate pharyngeal refluxes from swallows. The validation of pharyngeal acid reflux episodes that are relevant to anti-reflux treatment is, therefore, crucial. Given no diagnostic gold standard of LPR, this review article aimed to discuss the evolution of objective diagnostic testing and its predictive role of treatment response.

Best Practices in Treatment of Laryngopharyngeal Reflux Disease: A Multidisciplinary Modified Delphi Study

BACKGROUND

Laryngopharyngeal reflux (LPR) is a common otolaryngologic diagnosis. Treatment of presumed LPR remains challenging, and limited frameworks exist to guide treatment.

METHODS

Using RAND/University of California, Los Angeles (UCLA) Appropriateness Methods, a modified Delphi approach identified consensus statements to guide LPR treatment. Experts independently and blindly scored proposed statements on importance, scientific acceptability, usability, and feasibility in a four-round iterative process. Accepted measures reached scores with ≥ 80% agreement in the 7-9 range (on a 9-point Likert scale) across all four categories.

RESULTS

Fifteen experts rated 36 proposed initial statements. In round one, 10 (27.8%) statements were rated as valid. In round two, 8 statements were modified based on panel suggestions, and experts subsequently rated 5 of these statements as valid. Round three's discussion refined statements not yet accepted, and in round four, additional voting identified 2 additional statements as valid. In total, 17 (47.2%) best practice statements reached consensus, touching on topics as varied as role of empiric treatment, medication use, lifestyle modifications, and indications for laryngoscopy.

CONCLUSION

Using a well-tested methodology, best practice statements in the treatment of LPR were identified. The statements serve to guide physicians on LPR treatment considerations.

Comparison of transnasal esophagoscopy and sedated esophagogastroduodenoscopy in the assessment of laryngopharyngeal reflux

OBJECTIVE

Transnasal esophagoscopy (TNE) in the awake patient and esophagogastroduodenoscopy (EGD) in sedation are both used in the assessment of laryngopharyngeal reflux (LPR). The objective of this study was to compare these two endoscopic methods in contributing to the diagnosis of LPR.

METHODS

This study included 54 patients presenting with signs and symptoms suspicious for LPR, which were examined both by TNE and EGD. The contribution of each method to the diagnosis of LPR was evaluated separately and then compared with each other.

RESULTS

In detecting LPR, TNE showed a significant higher sensitivity (94% vs. 60%) and accuracy (93% vs. 59%) than EGD, but their specificity was equal (50% each). The most common pathologic findings in both methods were a hiatal hernia (70% vs. 48%) and gaping cardia (69% vs. 24%), followed by peptic esophagitis (41% vs. 24%).

CONCLUSION

The value of EGD is limited in the workup of LPR, as sedation tends to mask the subtle findings in this kind of reflux disease.

[Current possibilities and challenges in the treatment of laryngopharyngeal reflux]

Laryngopharyngeal reflux (LPR) is characterized by backflow of gastric or gastroduodenal content and gases into the upper aerodigestive tract, which can damage the mucus membranes of the larynx and pharynx. It is associated with a variety of symptoms such as retrosternal burning and acid regurgitation, or other unspecific symptoms such as hoarseness, globus sensation, chronic cough, or mucus hypersecretion. Due to the lack of data and the heterogeneity of studies, diagnosis of LPR is problematic and challenging, as recently discussed. Moreover, the different therapeutic approaches are also discussed controversially in the face of the poor evidence base, and include pharmacologic and conservative dietary measures. Hence, in the following review, the available options for treatment of LPR are critically discussed and summarized for daily clinical use.

Pediatric Laryngopharyngeal Reflux in the Last Decade: What Is New and Where to Next?

BACKGROUND

Laryngopharyngeal reflux may affect people of any age; still, most of the accumulated knowledge concerns adults, and evidence regarding pediatric populations remains relatively restricted. This study aims to review the most recent and emerging aspects of pediatric laryngopharyngeal reflux from the last ten years. It also attempts to identify gaps in knowledge and highlight discrepancies that future research should urgently address.

METHODS

An electronic search of the MEDLINE database was conducted, limited to January 2012 through December 2021. Non-English language articles, case reports, and studies that concerned a purely or predominantly adult population were excluded. The information from the articles with the most relevant contribution was initially categorized by theme and subsequently synthesized into a narrative form.

RESULTS

86 articles were included, of which 27 were review articles, eight were surveys, and 51 were original articles. Our review systematically maps the research done in the last decade and provides an updated overview and the current state-of-the-art in this subject.

CONCLUSIONS

Despite discrepancies and heterogeneity in accumulating research, evidence gathered so far endorses a need for refining an escalating multiparameter diagnostic approach. A step-wise therapeutic plan appears to be the most reasonable management approach, starting with behavioral changes for mild to moderate, uncomplicated cases and escalating to personalized pharmacotherapy options for severe or nonresponsive cases. Surgical options could be considered in the most severe cases when potentially life-threatening symptoms persist despite maximal medical therapy. Over the past decade, the amount of available evidence has been gradually increasing; however, its strength remains low. Several aspects remain markedly under-addressed, and further adequately powered, multicenter, controlled studies with uniformity in diagnostic procedures and criteria are urgently needed.

Validation of Pharyngeal Acid Reflux Episodes Using Hypopharyngeal Multichannel Intraluminal Impedance-pH

Background/Aims

Hypopharyngeal multichannel intraluminal impedance-pH (HMII-pH) technology incorporating 2 trans-upper esophageal sphincter impedance channels has been developed to detect pharyngeal reflux. We used the HMII-pH technique to validate the candidate pharyngeal acid reflux (PAR) episodes based on the dual-pH tracings and determined the interobserver reproducibility.

Methods

We conducted a cross-sectional study in tertiary centers in Taiwan. Ninety patients with suspected laryngopharyngeal reflux and 28 healthy volunteers underwent HMII-pH test when off acid suppressants. Candidate PAR episodes were characterized by pharyngeal pH drops of at least 2 units and reaching a nadir pH of 5 within 30 seconds during esophageal acidification. Two experts manually independently identified candidate PAR episodes based on the dual-pH tracings. By reviewing the HMII-pH tracings, HMII-pH-proven PAR episodes were subsequently confirmed. The consensus reviews of HMII-pH-proven PAR episodes were considered to be the reference standard diagnosis. The interobserver reproducibility was assessed.

Results

A total of 105 candidate PAR episodes were identified. Among them 84 (80.0%; 95% CI, 71.0-87.0%) were HMII-pH-proven PAR episodes (82 in 16 patients and 2 in 1 healthy subject). Patients tended to have more HMII-pH-proven PAR episodes than healthy controls (median and percentile values [25th, 75th, and 95th percentiles]: 0 [0, 0, 3] vs 0 [0, 0, 0], P = 0.067). The concordance rate in diagnosing HMII-pH-proven PAR episodes between 2 independent observers was 92.2%.

Conclusion

Our preliminary data showed that 80.0% (71.0-87.0%) of the proposed candidate PAR episodes were HMII-pH-proven PAR episodes, among which the interobserver reproducibility was good.

Voice Disorders in Lower Primary School Teachers: An Observational Study

INTRODUCTION

Voice problems are very common among teachers, and etiology-based methods are used in the diagnosis and treatment process. Our study aims to reveal the changes in subjective voice analysis during the diagnosis and treatment process of dysphonia in lower primary school teachers.

METHODS

The nature of the study is a prospective observational one designed for lower primary school teachers in Kahramanmaraş conducted between the year 2015 and 2019 and evaluations for parameters including sociodemographic characteristics, laryngeal lesions and pre- and post-treatment scales such as Voice Handicap Index-10 (VHI-10), Reflux Symptom Index (RSI) and Hospital-Anxiety Depression Scale (HADS) for treatment subgroups were made. Statistical analysis was analyzed using SPSS.

RESULTS

Three hundred and fifty-one lower primary school teachers were included in the study. A statistically significant difference was found for the development of dysphonia in terms of sociodemographic features such as smoking, professional experience and crowdedness of classroom. Changes in RSI, VHI-10 and HADS values after treatment were clinically significant in all treatment groups. While there was a significant post-treatment improvement in terms of RSI in patients with granuloma and laryngopharyngeal reflux disorders, the VHI-10, and HADS assessments revealed a significant difference in clinical recovery compared to laryngeal lesions.

CONCLUSION

The RSI, VHI-10 and HADS values for various laryngeal pathologies were found to be high in dysphonic teachers. An improvement was observed in the scale scores upon the application of treatment modalities. This situation emphasizes the importance of questionnaire survey in the diagnosis, treatment, and follow-up process of dysphonia.

The Efficacy of Transnasal Esophagoscopy in Laryngopharyngeal Reflux Patients at HRH Princess Maha Chakri Sirindhorn Medical Center (MSMC), Thailand

To evaluate the positive pathological findings, patient satisfaction, pain, and complications of transnasal esophagoscopy (TNE) in laryngopharyngeal reflux (LPR) patients at HRH Princess Maha Chakri Sirindhorn Medical Center (MSMC), Thailand. A descriptive cross-sectional study. Forty adult LPR patients who had failed 3-months proton-pump inhibitor therapy were recruited to undergo TNE at Otolaryngology department, MSMC from January 1, 2019 to December 31, 2019. Data including demographics, Reflux Finding Score, Reflux Symptom Index, Eating Assessment Tool (EAT-10) scores, and endoscopic findings were recorded and compared between patients who had positive pathological findings and those who had negative findings. Sixteen patients (40%) had positive findings, which led to the changes in management of their conditions. Most positive findings included multiple esophageal and gastric ulcers (4/16), gastric ulcer (3/16), esophagitis (2/16), and esophageal candidiasis (2/16). There was no statistically significant difference in the baseline data between patients in the TNE positive and the TNE negative groups. The average patient satisfaction on VAS was 8.60 ± 1.43. Most patients were in the mild pain score group (18/40). Complications were not encountered. TNE is an efficient tool for evaluating LPR in Thai patients. The procedure was proven to be safe, well tolerated, and highly satisfied.

Comparison of Reflux Symptom Index (RSI) with Reflux Finding Score (RFS) and Its Effectiveness in Diagnosis of Laryngopharyngeal Reflux Disease (LPRD)

LPRD is a common condition in patients attending ENT OPDs. Although esophageal manometry and 24 h pH monitoring is considered the gold standard for diagnosis, it is an expensive and time consuming investigation. Newer clinical scales have been developed for diagnosing LPR such as RSI, RFS, Carlsson-Dent, ReQuest, GerdQ, etc. The objective of the study is to compare RSI with RFS and to establish its effectiveness in diagnosing LPRD among OPD patients. It's a descriptive cross-sectional study. ENT outpatients with features of LPRD were asked to fill RSI proforma (score ≥ 13 abnormal), after which they were subjected to indirect laryngoscopy to obtain the RFS (score ≥ 7 diagnostic of LPRD). RSI was compared with RFS. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy of RSI were noted. Of 165 patients, 53.9% were females. Mean RSI scores in males and females were 11.9 and 11.5 and mean RFS scores were 6.4 and 5.7 respectively. RSI had 79.1% sensitivity and 83.7% specificity in diagnosing LPRD with PPV 76.8%, NPV 85.4% and accuracy 81.8% (Chi square value 64.5, p ≤ 0.01). There was substantial agreement between RSI and RFS (Cohen's kappa: 0.625, p ≤ 0.0001). RSI is a simple tool to diagnose LPRD which doesn't mandate invasive procedures such as endoscopy or esophageal manometry. Hence it can be used effectively to diagnose LPRD in ENT outpatients and start the treatment at the earliest.

Prevalence of Laryngopharyngeal Reflux Disease in Indian Population

Laryngopharyngeal Reflux Disease (LPRD) is form of extra-oesophageal reflux due to the backflow of gastric contents into the upper aero digestive tract leading to throat symptoms. World over, the prevalence rate of LPRD, ranges from 5 to 30%. The aim of this study was to find the prevalence rate of LPRD in Indian population. This was an observational study whereby the RSI questionnaire was circulated amongst the population and records collected. All subjects who had RSI score more than 13 were considered to be suffering from LPRD. 2300 responses were collected from almost all strata of population. Out of 2300 people who responded 253 had RSI score > 13, and were considered as suffering from LPRD. Thus the prevalence rate of LPRD in population was 11%. The prevalence rate of LPRD in females was 11.2% and in males was 10.6%. The difference in prevalence among both the genders was not significant.The most common symptom of LPR reported by subjects was heartburn followed by clearing of throat and excess throat mucous. The prevalence of LPRD in Indian population as assessed by RSI score > 13 was 11%. The prevalence is same in males and females.

Diagnostic utility of salivary pepsin in laryngopharyngeal reflux: a systematic review and meta-analysis

OBJECTIVES

Salivary pepsin has emerged as a biomarker for Laryngopharyngeal Reflux (LPR), which, however, has been questioned for its efficacy due to a lack of supporting medical data. Therefore, this study analyzed the diagnostic value of salivary pepsin for LPR and assessed a better cutoff value.

METHODS

Studies were searched in PubMed, Embase, and Cochrane Library from their receptions to October 1, 2021. Then, RevMan 5.3 and Stata 14.0 were utilized to summarize the diagnostic indexes for further meta-analysis. Data were separately extracted by two reviewers according to the trial data extraction form of the Cochrane Handbook. The risk of bias in Randomized Control Trials (RCTs) was evaluated with the Cochrane Risk of Bias Tool.

RESULTS

A total of 16 studies matched the criteria and were subjected to meta-analysis. The results revealed a pooled sensitivity of 61% (95% CI 50%-71%), a pooled specificity of 67% (95% CI 48%-81%), a positive likelihood ratio of 2 (95% CI 1.2-2.8), a negative likelihood ratio of 0.58 (95% CI 0.47‒0.72), and the area under the receiver operating characteristic curve of 0.67 (95% CI 0.63‒0.71). Subgroup analyses indicated that the cutoff value of pepsin at 50 ng/mL had a higher degree of diagnostic accuracy than that of pepsin at 16 ng/mL in cohort studies.

CONCLUSION

The review demonstrated low diagnostic performance of salivary pepsin for LPR and that the cutoff value of 50 ng/mL pepsin had superior diagnostic accuracy. Nevertheless, the diagnostic value may vary dependent on the utilized diagnostic criteria. Therefore, additional research is needed on the improved way of identifying salivary pepsin in the diagnosis of LPR, and also longer-term and more rigorous RCTs are warranted to further assess the effectiveness of salivary pepsin.

Response of Laryngopharyngeal Symptoms to Transoral Incisionless Fundoplication in Patients with Refractory Proven Gastroesophageal Reflux

OBJECTIVE

Patients with laryngopharyngeal reflux (LPR) symptoms may not respond to proton pump inhibitors (PPI) if they have an alternative laryngeal diagnosis or high-volume reflux. Transoral incisionless fundoplication (TIF) or TIF with concomitant hiatal hernia repair (cTIF) are effective in decreasing symptoms of gastroesophageal reflux disease (GERD) but are not well studied in patients with LPR symptoms. This prospective multicenter study assessed the patient-reported and clinical outcomes after TIF/cTIF in patients with LPR symptoms and proven GERD.

METHODS

Patients with refractory LPR symptoms (reflux symptom index [RSI] > 13) and with erosive esophagitis, Barrett's esophagus, and/or pathologic acid reflux by distal esophageal pH testing were evaluated before and after a minimum of 6 months after TIF/cTIF. The primary outcome was normalization of RSI. Secondary outcomes were >50% improvement in GERD-Health-Related Quality of Life (GERD-HRQL), normalization of esophageal acid exposure time, discontinuation of PPI, and patient satisfaction.

RESULTS

Forty-nine patients had TIF (n = 26) or cTIF (n = 23) with at least 6 months follow-up. Mean pre- and post TIF/cTIF RSI were 23.6 and 5.9 (mean difference: 17.7, P < .001). Post TIF/cTIF, 90% of patients had improved GERD-HQRL score, 85% normalized RSI, 75% normalized esophageal acid exposure time, and 80% discontinued PPI. No serious procedure-related adverse events occurred. Patient satisfaction was 4% prior to TIF/cTIF and 73% after TIF/cTIF (P < .001).

CONCLUSION

In patients with objective evidence of GERD, TIF, or cTIF are safe and effective in controlling LPR symptoms as measured by normalization of RSI and improvement in patient satisfaction after TIF/cTIF.

LEVEL OF EVIDENCE

Level 4.

Laryngopharyngeal reflux may be acute, recurrent or chronic disease: preliminary observations

OBJECTIVE

To investigate the mid-to-long-term symptom evolution and treatment findings of laryngopharyngeal reflux (LPR) patients.

METHODS

Patients with LPR and treated between September 2016 and December 2017 were prospectively followed. The diagnosis consisted of > 1 pharyngeal event at the hypopharyngeal-esophageal multichannel intraluminal impedance-pH monitoring. The treatment consisted of 3- to 9-months diet, stress management and medication according to the type of LPR. Reflux symptom score was used to assess the therapeutic response. Patients were surveyed yearly to know the reflux evolution, the potential recurrence(s) of symptoms, and the approaches used to control the disease.

RESULTS

A total of 77 patients completed the evaluations (45 females). The initial treatment duration was 3, 6, or 9 months in 25 (32.5%), 23 (29.9%), and 6 (7.7%) cases before weaning, respectively. Twenty-three patients (29.9%) reported chronic course of the disease. According to the reduction of reflux symptom score, symptoms did not change in 11 (14.3%) patients, while the rest of the patients reported symptom reduction or relief (responder rate of 85.7%). Over time, LPR symptoms never relapsed in 31% of cases, while 38% of patients reported one or several recurrences a year. The recurrence episodes of patients were all adequately treated with medication or diet and did not require long-term medication.

CONCLUSION

Chronic course of the disease was observed in 31% of patients who required long-term medication. Preliminary observations reported that LPR may be classified as acute, recurrent, or chronic disease. The medication weaning is possible in most patients, leading to reduction of cost burden related to LPR treatment.

Magnesium alginate versus proton pump inhibitors for the treatment of laryngopharyngeal reflux: a non-inferiority randomized controlled trial

PURPOSE

Proton pump inhibitors (PPIs) are commonly prescribed for laryngopharyngeal reflux (LPR), but their efficacy remains debated. Alginates is an option for the treatment of LPR with few adverse effects. The study aimed to investigate the non-inferiority of an alginate suspension (Gastrotuss®) compared to PPIs (Omeprazole) in reducing LPR symptoms and signs.

METHODS

A non-inferiority randomized controlled trial was conducted. Fifty patients with laryngopharyngeal symptoms (Reflux Symptom Index -RSI- ≥ 13) and signs (Reflux Finding Score -RFS- ≥ 7) were randomized in two treatment groups: (A) Gastrotuss® (20 ml, three daily doses) and, (B) Omeprazole (20 mg, once daily). The RSI and the RFS were assessed at baseline and after 2 months of treatment.

RESULTS

Groups had similar RSI and RFS scores at baseline. From pre- to 2-month posttreatment, the mean RSI significantly decreased (p = 0.001) in alginate and PPI group (p = 0.003). The difference between groups in the RSI change was not significant (95%CI:  - 4.2-6.7, p = 0.639). The mean RFS significantly decreased in alginate (p = 0.006) and PPI groups (p = 0.006). The difference between groups in the mean change RFS was not significant (95%CI:  - 0.8; 1.4, p = 0.608).

CONCLUSION

After 2 months of treatment, LPR symptoms and signs are significantly reduced irrespective of the treatment. Alginate was non-inferior to PPIs and may represent an alternative treatment to PPIs for the treatment of LPR.