Eosinophilic esophagitis -- a mimic of GERD

Eosinophilic esophagitis (EE) is characterized by eosinophilic infiltration of the esophageal mucosa and results in clinical signs and symptoms that may be indistinguishable from those of gastroesophageal reflux disease (GERD). While demographic, clinical, and endoscopic features may be suggestive of EE, esophageal biopsy with tissue eosinophils averaging 24 per 400 x microscopic field remains the most specific diagnostic criterion. Previously rare, EE has been diagnosed in adults and children with increased frequency over the last decade; it appears to be a chronic disease and has a yearly incidence approximating 1:10,000 in the pediatric population. Dietary and respiratory antigen exposure with subsequent production of inflammatory chemokines is essential for development of EE in animal models of the disease. In humans, glucocorticoids and elimination of relevant dietary antigens have proved efficacious treatments for EE, resolving the disease at the mucosal level. Other therapies, including montelukast, partial dietary elimination, and bouginage have reduced symptoms without affecting mucosal inflammation. Evidence-based guidelines for the management of EE are not currently available. Current medical practice involving the management of reflux merits awareness and understanding of this emerging mimic. We present a review of the current understanding of this disorder.     

Die eosinophile Ösophagitis

Background

Eosinophilic esophagitis (EE) is a chronic, interleukin-5-driven inflammatory disease of the esophagus, causing dysphagia and esophageal food impactions. We analyzed the diagnostic results of patients with suspected or proven EE and in this article discuss the relevant aspects of this disease.

Patients and methods

Sixteen patients suffering from dysphagia or recurrent esophageal food impactions underwent rigid esophagoscopy to exclude EE. In six patients, 24-h pH monitoring was performed to exclude laryngopharyngeal reflux (LPR).

Results

EE was diagnosed in only one patient, a boy with a history of peanut allergy and recurrent esophageal food impactions. In six patients, histological examination of biopsies revealed reflux esophagitis indicating gastroesophageal reflux disease (GERD). Using 24-h pH monitoring, LPR was diagnosed in four of six patients.

Conclusions

Even in patients presenting with typical symptoms of EE, this disease is rarely found. However, in male patients with asthma, allergies, or a history of recurrent esophageal food impactions, EE must be excluded. The most important differential diagnoses of EE are GERD and LPR.     

Laryngospasm and pediatric eosinophilic esophagitis

Objective: Symptoms of pediatric eosinophilic esophagitis (EoE) include dysphagia, emesis, regurgitation and feeding difficulties. This symptom complex has been mistaken for refractory gastroesophageal reflux disease (GERD). Whether EoE and GERD are related is controversial. Recently, EoE has been associated with upper airway manifestations including recurrent sinusitis, cough, wheezing, pneumonia, laryngeal edema, and subglottic stenosis. Laryngospasm secondary to EoE has not been reported. The purpose of this study is to increase the awareness of laryngospasm as a presenting symptom in this population. Methods: A 1-year retrospective chart review of 2 children with laryngospasm as the presenting symptom with endoscopic and histopathologic evidence of EoE. Results: Two patients presented to an otolaryngologist with a history consistent with laryngospasm in addition to GI complaints. Laryngospasm was identified during endoscopy. Both patients presented with GERD and symptoms refractory to medical management. Esophagoscopy and biopsy revealed >20 eosinophils per high power field. Symptoms were completely resolved following oral fluticasone therapy at follow-up. Conclusions: The eosinophilic esophagitis symptom complex includes airway manifestations. Pediatric eosinophilic esophagitis should be considered in the differential diagnosis of patients with laryngospasm, dysphagia and gastroesophageal reflux refractory to treatment.     

Esophageal dysmotility as an important co-factor in extraesophageal manifestations of gastroesophageal reflux

OBJECTIVE: Esophageal motility problems have been demonstrated in patients with noninflammatory typical gastroesophageal reflux (GER) and esophagitis, but the frequency of motility disorders in patients with extraesophageal manifestations of GER has not been studied. The primary aim of this study was to assess the frequency of esophageal motility disorders in patients with atypical GER. METHODS: A prospective study of 112 consecutive patients with laryngopharyngeal reflux (LPR) symptoms and demonstrated physical findings consistent with LPR were studied. Patients were divided into one of the following diagnostic categories: hoarseness; chronic cough; dysphagia or globus pharyngeus; and paroxysmal laryngospasm. Of the 112 patients, 81 (72%) underwent esophageal manometry and ambulatory 24-hour pH monitoring (pH-metry), 19 (17%) had motility studies only, and 12 (11%) had pH-metry studies only. Only patients who had motility studies were included in the analysis. Therefore the study population was 100 patients. Associations between diagnostic category, motility disorder, and abnormal reflux were evaluated with contingency-table analyses. RESULTS: Of the 100 patients, 29 (29%) presented normal motility function, 48 (48%) had ineffective esophageal motility, 10 (10%) had hypertensive lower esophageal sphincter (LES), and 9 (9%) and 4 (4%) had nutcracker esophagus and achalasia, respectively. There was a significant association between esophageal dysmotility and extraesophageal manifestations of GER However, there was no statistically significant association between esophageal motility disorders and abnormal acid reflux in our patients with atypical GER. CONCLUSIONS: In the present study, the frequency of esophageal motility problems in patients with extraesophageal or atypical manifestations of GER was 73% and suggested that these problems exist as an accompanying condition or pathogenic co-factor in some patients with atypical GER.     

Eosinophilic esophagitis: an underdiagnosed cause of dysphagia and food impaction to be recognized by otolaryngologists

Eosinophilic esophagitis (EoE) is a recently recognised pathologic entity whose prevalence has risen significantly since first being described in 1993. Defined as a chronic, local immune-mediated disease with predominant eosinophil infiltration, it is nowadays the leading cause of dysphagia and food bolus impaction in children and young adults. Genetic and environmental risk factors, and especially food antigens, trigger the disease and are in the focus of investigation as avoidance can cure three quarters of patients. The most common antigen involved is milk, followed by egg and gluten. These patients frequently come undiagnosed to the otolaryngologist with complaints of dysphagia and recurrent non-sharp food impactions, although pharyngolaryngeal reflux symptoms and other airway complaints could also be a first sign. Delayed diagnosis and treatment can produce fibrostenosis of the esophagus that greatly impairs patients’ quality of life.In-office transnasal esophagoscopy with esophageal biopsy offers a unique opportunity to promptly diagnose and follow-up these patients, without causing the morbidity of repeated sedations and reducing exploration overload in gastroenterology departments. The search for food-antigen triggers, response evaluation to swallowed steroids, or proton pump inhibitors (PPIs) make multiple endoscopies and biopsies necessary every 6 to 8 weeks.There are three first-line interchangeable treatments with the same recommendation: PPIs, dietary allergen elimination and topical swallowed steroids. The choice should be discussed with the patient on an individual basis.The objective of this article is to raise awareness of this condition, update otolaryngologists with the new EoE consensus, and highlight the need for biopsy in patients with dysphagia to rule out EoE.     

The endoscopic radiofrequency approach to management of GERD

PURPOSE OF REVIEW: Endoscopic treatment has been recently introduced as a new option for treating gastroesophageal reflux disease. In this article the authors review the radiofrequency approach known as the Stretta procedure, as more evidence has linked reflux to upper airway disease. RECENT FINDINGS: Since 1968, when laryngeal disorders were linked to gastroesophageal reflux disease, more upper airway diseases such as chronic laryngitis, subglottic stenosis, and even laryngeal carcinoma were found to be occasionally caused by extraesophageal reflux. Most otolaryngologists treat these patients with proton pump inhibitors, which improve symptoms in two thirds of patients. Antireflux surgery remains the treatment of choice, relieving symptoms in more than 90% of patients. Endoscopic treatment has recently emerged as an option for treatment of gastroesophageal reflux disease. The Stretta procedure delivers radiofrequency energy to the gastroesophageal junction. This has proved to be effective in controlling reflux by inhibiting transient, inappropriate lower esophageal sphincter relaxation, increasing postprandial lower esophageal spincter pressure, and decreasing lower esophageal sphincter compliance. Stretta is among the earliest endoscopic technologies to be approved by the Food and Drug Administration for the treatment of reflux. It has the longest term follow-up published to this date, and the most durable effect. It is performed under intravenous sedation on an outpatient basis and has a low incidence of complications. SUMMARY: The Stretta procedure is an endoscopic, noninvasive modality for the treatment of gastroesophageal reflux disease. It should be considered in the treatment of reflux-related upper airway diseases.     

Association of a globus sensation with esophageal diseases

Objective

The aim of the study was to clarify the relationship between a globus sensation and esophageal diseases using upper gastrointestinal endoscopy.

Methods

The study population consisted of 52 consecutive patients (33 men, 19 women, age 46–94 years old) with a globus sensation without laryngeal and hypopharyngeal findings who were referred to the Department of Otolaryngology at Ooshima Prefecture Hospital. The subjects were examined by upper gastrointestinal endoscopy.

Results

Nineteen patients (36.5%) had esophageal disorder, including 10 cases of reflux esophagitis, 5 of esophageal candidiasis, 3 of esophageal cancer. and 1 of herpes and reflux esophagitis. Neither age nor duration of symptoms differed significantly between patients without an esophageal disorder and those with reflux esophagitis or esophageal candidiasis.

Conclusions

The results suggest that examination for esophageal diseases is important in patients with a globus sensation without laryngeal and hypopharyngeal findings.     

Synchronous airway lesions and esophagitis in young patients undergoing adenoidectomy

OBJECTIVE: To determine the prevalence of synchronous airway lesions and esophagitis in children younger than 18 months undergoing adenoidectomy for adenoid hypertrophy and upper airway obstruction. DESIGN: Retrospective review spanning 4.5 years. SETTING: Tertiary care children's hospital. PATIENTS: All children younger than 18 months who underwent adenoidectomy for upper airway obstruction by 2 pediatric otolaryngologists. Exclusion criteria: craniofacial dysmorphism and congenital syndromes. INTERVENTIONS: Simultaneous interventions during adenoidectomy included flexible nasopharyngolaryngoscopy (n = 32), direct laryngoscopy (n = 31), rigid tracheobronchoscopy (n = 30), and esophagoscopy with biopsy (n = 32). MAIN OUTCOME MEASURES: Prevalence of synchronous airway lesions and histologic esophagitis. RESULTS: Thirty-five children younger than 18 months underwent adenoidectomy for airway obstruction (2 also had simultaneous tonsillectomy). Synchronous airway lesions were found in 19 (59%) of 32 patients who underwent airway endoscopy, including laryngeal edema (n = 9), laryngomalacia (n = 8), tracheal vascular compression (n = 4), subglottic stenosis (n = 4), midmembranous vocal fold lesions (n = 3), bronchial stenosis (n = 1), and true vocal fold immobility (n = 1). Among 32 patients who underwent esophageal biopsy, histologic evidence of gastroesophageal reflux disease was found in 10 patients (31%), and eosinophilic esophagitis was found in 4 patients (13%). Overall prevalence of any synchronous finding (airway and/or esophagus) was 27 (77%) of 35. CONCLUSIONS: Synchronous airway lesions and esophagitis (both gastroesophageal reflux disease and eosinophilic esophagitis) were prevalent among children younger than 18 months undergoing adenoidectomy for adenoid hypertrophy and upper airway obstruction. The presence of these findings argues for consideration of endoscopy during adenoidectomy for very young children.     

Paroxysmal Laryngospasm Secondary to Gastroesophageal Reflux

Over a 2-year period (1992 to 1994), 12 consecutive adult patients with paroxysmal laryngospasm were prospectively studied. All had had other symptoms of gastroesophageal reflux (GER); however, only 4 (33%) experienced symptoms of heartburn. Each patient underwent fiberoptic laryngeal examination, barium swallow/esophagography, and ambulatory, 24-hour, double-probe pH monitoring(pH-metry). Eleven (92%) of the 12 patients had evidence of GER on examination, and 10(83%) had abnormal pH-metry, including 3 who demonstrated pharyngeal reflux while having normal total acid exposure times in the esophageal probe. All the patients responded to antireflux treatment, using dietary and lifestyle modifications and omeprazole, with complete cessation of the laryngospastic episodes. This study documents the role of GER in the etiology of paroxysmal laryngospasm, it highlights the advantages of double-probe pH-metry in diagnosing this extraesophageal manifestation of GER, and it demonstrates that antireflux therapy with omeprazole is effective in controlling GER-induced laryngospasm.     

Multilevel esophageal biopsy in children with airway manifestations of extraesophageal reflux disease

OBJECTIVES: Extraesophageal reflux disease (EERD) is a recognized cause of upper airway symptoms in children. Direct microlaryngoscopy and bronchoscopy (MLB) is performed for diagnostic information as to the extent and severity of the inflammation caused by gastric refluxate. Esophagoscopy with multilevel biopsy performed at the time of MLB may provide the clinician with additional information to assist in the management of EERD. We undertook to determine the role of multilevel esophageal biopsy in children who have airway manifestations secondary to EERD. METHODS: We performed a retrospective chart review of 139 esophagoscopies with multilevel biopsy done at the time of MLB by a single provider for evaluation of symptoms highly associated with EERD at a tertiary care children's hospital. The histopathologic presence of esophagitis was analyzed by site and compared to the presence and location of tracheolaryngeal abnormalities. RESULTS: Tracheolaryngeal abnormalities associated with EERD were found in 97% of patients when evaluated by MLB. Concomitant esophagitis was found in 59% of these patients. Of patients who had 0, 1, 2, 3, 4, or 5 positive findings on MLB, 75% (3 of 4), 58% (7 of 12), 57% (20 of 35), 62% (32 of 51), 56% (18 of 32), and 80% (4 of 5), respectively, had at least 1 positive biopsy. CONCLUSIONS: We found that EERD that affects the pediatric upper airway was associated with esophagitis in more than half of the patients. The usefulness of 4-level biopsies during esophagoscopy and concomitant airway endoscopy will be discussed.     

反流性咽喉炎与胃食管反流病的关系研究

目的 :探讨反流性咽喉炎与胃食管反流病 (GRED)发生的关系。方法 :对 130例顽固的慢性咽喉炎患者行胃镜检查或 2 4h食管 pH监测 ,将检测的GRED随机分为两组 ,治疗组 :应用抑胃酸药、促动力药和清热解毒治疗 ;对照组 :单用清热解毒的咽喉炎药 ,对两组咽喉部症状缓解及内镜下病理改善情况进行统计学比较。结果 :检出GRED 45例 (34 .6 % ) ,反流性咽喉炎的体征多样化 ,治疗组 2 3例 ,有效率 91.3% (2 1例 ) ,对照组 2 2例 ,有效率 13.6 % (3例 ) ,P <0 .0 1。结论 :GRED是导致反流性咽喉炎的重要病因 ,抑酸剂与促动力药、清热解毒药合用 ,可缓解或改善反流性咽喉炎的症状和病理。     

Clinical characteristics of eosinophilic esophagitis in children

OBJECTIVES: The role of eosinophilic esophagitis (EE) in aerodigestive tract disorders in children is underestimated and overlooked, primarily because of a lack of understanding of this disorder by otolaryngologists. We sought to better characterize the clinical presentation of EE in order to increase awareness among otolaryngologists. METHODS: We retrospectively reviewed 71 children with biopsy-proven EE to determine the most common symptoms and laboratory findings that should increase the clinical suspicion of EE. RESULTS: Dysphagia, food impaction, and emesis were the most common symptoms in children with EE. Asthma was the most common airway diagnosis. Rhinosinusitis was the most common otolaryngological diagnosis. Food allergy was present in 60% of the children tested. Eighty-three percent of the children with elevated immunoglobulin E levels had thick linear streaking or patchy white exudate of the esophagus seen on esophagoscopy. Other major medical comorbidities existed in more than half of the children with EE, of which psychiatric disorders and other disorders of the aerodigestive tract were the most common. CONCLUSIONS: Eosinophilic esophagitis may contribute to treatment failure in patients with common and complicated aerodigestive tract disorders. To encourage clinicians to avoid overlooking the diagnosis, we present an evaluative algorithm to increase the suspicion of this entity.     

Role of laryngoscopy, dual pH probe monitoring, and laryngeal mucosal biopsy in the diagnosis of pharyngoesophageal reflux

There is no standard for determining significant pharyngoesophageal reflux. This prospective blind comparison study compared dual pH probe studies, direct laryngoscopy, and mucosal biopsy in children without symptoms of gastroesophageal reflux who underwent airway evaluation. Significant reflux to the lower esophageal probe did not correlate with statistical significance with reflux to the upper probe. In this group of asymptomatic patients, a positive lower pH probe finding did not correlate with upper or lower esophageal mucosal inflammation. Eosinophilia in the esophageal mucosa is diagnostic of gastroesophageal reflux disease, and was seen in 5 of the laryngeal biopsies. A weak correlation was seen between positive findings at laryngoscopy and positive posterior cricoid biopsy in this group. There may be no consistent way to predict significant pharyngoesophageal reflux in asymptomatic patients. Single-probe pH testing will not predict significant pharyngoesophageal reflux with mucosal changes. Laryngoscopy and upper pH probe findings only weakly correlate with significant histologic findings. Laryngeal and posterior cricoid biopsy may be the only sensitive test for mucosal injury. Clinical trials of empiric antireflux therapy should be used to determine whether the laryngeal changes seen in these patients are reversible.     

Steroid inhaler laryngitis: dysphonia caused by inhaled fluticasone therapy

OBJECTIVE: To describe a condition that is referred to as steroid inhaler laryngitis, a clinical entity that is caused by the use of inhaled fluticasone propionate and manifested by dysphonia, throat clearing, and fullness. DESIGN: Case series. SETTING: An outpatient clinic of an academic referral center. PATIENTS: The study population consisted of 20 patients with reactive airway disease and dysphonia who were receiving inhaled fluticasone therapy and who were diagnosed as having steroid inhaler laryngitis during the period from January 1998 to June 2000. INTERVENTION: Cessation of inhaled fluticasone therapy when possible, as well as treatment of other underlying causes of dysphonia, such as laryngopharyngeal reflux and infectious processes. MAIN OUTCOME MEASURE: The resolution of dysphonia with cessation of inhaled fluticasone therapy. RESULTS: Patients with steroid inhaler laryngitis were found to have laryngeal findings ranging from mucosal edema, erythema, and thickening to leukoplakia, granulation, and candidiasis. Patients with more severe mucosal findings were more likely to have laryngopharyngeal reflux as well. Resolution of dysphonia occurred only after discontinuation of the inhaled fluticasone therapy. CONCLUSIONS: Steroid inhaler laryngitis is a form of chemical laryngopharyngitis induced by topical steroid administration. Symptoms and physical findings mimic laryngopharyngeal reflux, but only respond completely to discontinuation of the inhaled steroid therapy. The otolaryngologist should be familiar with this cause of dysphonia.     

Prevalence of esophagitis in patients with pH-documented laryngopharyngeal reflux

OBJECTIVE: To report the prevalence of esophagitis in patients with pH-documented laryngopharyngeal reflux. STUDY DESIGN: Prospective study of 58 consecutive patients with documented laryngopharyngeal reflux, all of whom underwent transnasal esophagoscopy as part of their reflux evaluations. METHODS: All patients with a diagnosis of laryngopharyngeal reflux confirmed by abnormal pharyngeal pH monitoring over a 5-month period were included, and all subjects completed a self-administered reflux symptom index and underwent transnasal esophagoscopy with directed biopsy. RESULTS: Of the 58 study patients with pH-documented laryngopharyngeal reflux, the mean age was 49 years (+/- 13 y), and 53% (31 of 58) were women. Of the study group, 40% (23 of 58) had heartburn and 48% (28 of 58) had abnormal esophageal reflux (by pH monitoring criteria); by transnasal esophagoscopy with biopsy, 12% (7 of 58) had esophagitis and another 7% (4 of 58) had Barrett's metaplasia. Thus, 60% of the study cohort had heartburn, and 81% (47 of 58) had normal esophageal epithelium (i.e., esophagitis or Barrett's metaplasia). CONCLUSIONS: In the present series of patients with documented laryngopharyngeal reflux the prevalence of esophagitis and Barrett's metaplasia was only 19%. These data confirm the clinical impression that the patterns, mechanisms, and manifestations of laryngopharyngeal reflux differ from those of classic gastroesophageal reflux disease. Unlike gastroesophageal reflux disease, patients with laryngopharyngeal reflux uncommonly have esophagitis. Thus, although esophagoscopy may be an excellent method for screening the esophagus, it is not the method of choice for diagnosing laryngopharyngeal reflux.     

Comparative outcomes of antireflux treatment for laryngopharyngeal reflux symptoms and upper abdominal symptoms in patients with endoscopic esophagitis

The objectives of this prospective study are to determine the prevalence of laryngopharyngeal reflux (LPR) symptoms in patients with endoscopic esophagitis, to investigate the relationship between LPR symptoms and upper abdominal symptoms of gastroesophageal reflux disease (GERD) and to compare the treatment responses of both symptom groups. 120 consecutive patients having complaints of GERD were included. Group I consisted of 62 patients with a diagnosis of endoscopic esophagitis. The second group consisted of 58 subjects with no detectable pathology at gastroscopy. LPR symptoms and upper abdominal symptoms were graded. Proton pump inhibitors (PPI) were prescribed to patients. Both groups of symptoms were compared in two groups of patients. The improvement in symptoms was evaluated after treatment. The frequencies of LPR symptoms were statistically higher in patients with endoscopic esophagitis. All LPR symptoms were statistically relieved in their frequency after treatment. The decrease in LPR symptom scores after treatment in group I was statistically significant. FSSG (frequency scale for the symptoms of GERD) scores were statistically higher in group I than in group II before treatment. After treatment, FSSG scores were significantly decreased in group I. There was statistically significant positive correlation between the LPR symptom scores and FSSG scores before treatment. In conclusion, there is a high incidence of LPR symptoms and upper abdominal symptoms in patients with endoscopic esophagitis. LPR and upper abdominal symptoms responded well to antireflux treatment in patients with endoscopic esophagitis.     

Esophageal motor function in laryngopharyngeal reflux is superior to that in classic gastroesophageal reflux disease.

Laryngopharyngeal reflux (LPR) in otolaryngology patients appears to be different from classic gastroesophageal reflux disease (GERD). In particular, esophagitis and its principal symptom, heartburn, considered the diagnostic sine qua non of GERD, are often absent in LPR. It has therefore been postulated that LPR patients have superior esophageal function. Esophageal acid clearance (EAC) is a measure of the ability of the esophagus to restore neutral pH after reflux events have occurred. It is considered an excellent overall measure of esophageal function. The mean EAC can be calculated from 24-hour pH monitoring data. A comparison of EAC in patients with GERD and LPR has not been previously reported. To compare the EAC of 1) patients with LPR alone, 2) patients with GERD alone, 3) patients with both LPR and GERD, and 4) patients without either LPR or GERD, we studied 200 otolaryngological patients who had undergone 24-hour double-probe (simultaneous pharyngeal and distal esophageal) pH monitoring, 50 in each group. The subgrouping of each patient was determined by previously established pH monitoring criteria. We defined GERD as abnormal esophageal reflux and LPR as abnormal pharyngeal reflux. The patients with GERD had a mean (+/-SD) EAC of 1.44 +/- 1.2 minutes, and those with LPR had a mean EAC of 1.00 +/- 1.00 minutes (p < .05). The patients with both GERD and LPR had a mean EAC of 1.53 +/- 1.01 minutes. The patients without reflux had a mean EAC of 0.53 +/- 0.38 minutes. We conclude that patients with LPR have significantly better EAC than those with GERD. These data suggest that patients with LPR have superior esophageal function. This finding may clarify our understanding of the differences in mechanisms, symptoms, and incidence of esophagitis in patients with LPR and GERD.     

Globus sensation caused by gastroesophageal reflux disease

Objectives: This study was designed to examine whether or not gastro esophageal reflux disease (GERD) is implicated in globus sensation. Methods: The subjects were 25 patients (16 men/9 women; mean age: 51, range 25–69 years) complaining of globus sensation with one or more of four laryngeal findings suspected of having GERD, such as pooling of saliva, erythema of posterior one-third of larynx, inter-arytenoids edema, and granuloma. All 25 patients were administrated a proton pump inhibitor (PPI) for a period of 8 weeks. All were given esophageal endoscopies, laryngoscopes, and questionnaire before and after PPI dosing. The questionnaire survey was conducted to investigate changes in globus sensation and three symptoms specific to GERD including heartburn, regurgitation, and belching. Subjective symptoms were totalled by the over all scores of the three subjective symptoms which served as an index of severity of GERD. Results: Fifty-two percent (13/25) of patients had reflux esophagitis. The esophagitis were improved after PPI administration except one case. The incidences of GERD symptoms were high (heart burn 68% (17/25), belching 49% (10/25) and regurgitation 76% (19/25)), and most of these symptoms ameliorated by PPI administration. The laryngeal findings were improved in all patients. Subjective symptoms were improved in 68% (17/25) of globus patients. The improvement rate of total score (before PPI dosing/after PPI dosing) was compared between the two groups: one with improved globus sensation (17 patients) and the other without (8 patients). The improvement rate was significantly higher in the group with improved globus sensation (P<0.05). This means that globus sensation improved because of the improvement in GERD. Conclusion: GERD is therefore concluded to be an inducing factor of globus sensation.     

Oropharyngeale pH-Metrie

Background

Extraesophageal reflux disease often requires diagnosis and treatment by a phoniatry or ear, nose and throat specialist. The disease needs to be differentiated from gastroesophageal reflux disease.

Objective

A new oropharyngeal pH measuring system with a single channel probe has recently been introduced. The aim of this study was to compare oropharyngeal pH-metry with the existing diagnostic methods for extraesophageal reflux disease and to present initial results in our own patients.

Methods

A literature search for oropharyngeal pH-metry was performed in the databases NHS EED, HTA, DARE, Clinical trials, Cochrane reviews and Medline/PubMed. A selective literature search was also carried out on the problem of extraesophageal reflux disease.

Results

Evaluation scales, trial proton pump inhibitor therapy or pH-metry, for example, can be used to diagnose extraesophageal reflux disease. pH-metry can be performed using a classical two-channel pH-metry system; a new oropharyngeal pH measuring system has recently been introduced. This new method has been evaluated in initial studies for normative data and has been compared to two-channel pH-metry. Prospective randomised studies to diagnose extraesophageal reflux disease with the new oropharyngeal pH-metry method are still lacking.

Discussion

Oropharyngeal pH-metry has some potential advantages compared to classical two-channel pH-metry; however, a lot of questions remain unanswered. These will be discussed and illustrated with the help of a number of own patient case reports.     

Helicobacter pylori seropositivity predicts outcomes of acid suppression therapy for laryngopharyngeal reflux symptoms

OBJECTIVES: Although an inverse relationship has been reported between the rates of reflux esophagitis and Helicobacter pylori infection in Japan, infection rates among patients complaining of laryngopharyngeal reflux symptoms, such as abnormal laryngopharyngeal sensation, chronic coughing, and hoarseness, have not previously been investigated. The effects of H. pylori infection on outcomes of acid suppression therapy have not been studied. STUDY DESIGN: Retrospective cohort study. METHODS: We investigated the relationships between H. pylori antibody positivity, laryngopharyngeal reflux symptoms, objective laryngopharyngeal findings, and rate of response to acid-suppression therapy in 42 subjects who were diagnosed with gastroesophageal reflux disease, using upper gastrointestinal endoscopy, and were assayed for the serum H. pylori antibody. RESULTS: The incidence of H. pylori antibody positivity in the targeted patient group was 59.5%. Kaplan-Meier analysis showed that the laryngopharyngeal symptom-improvement rate, measured using the symptom score, was significantly lower for H. pylori antibody-negative cases than for H. pylori antibody-positive cases (30.0 vs. 84.6%; P = .002) 60 days after the start of acid-suppression therapy. No significant differences in the esophageal symptom-improvement rate were noted between the two groups (76.2 vs. 89.5%; P = .576) CONCLUSIONS: By focusing on the involvement of H. pylori infection in laryngopharyngeal reflux, we determined the relationships between H. pylori antibody positivity and response to acid-suppression therapy among patients. The laryngopharyngeal, not esophageal, symptom relief by acid-suppression therapy was significantly lower among H. pylori antibody-negative cases than among antibody-positive cases.