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Scaramozzino MU, Festa M, Levi G, Plastina UR, Sapone G. Correlation between gastroesophageal reflux disease lung volumes and exacerbation of bronchial asthma: Italian pilot observational retrospective study GERDAS. Monaldi Arch Chest Dis 2023; 94. [PMID: 37325973 DOI: 10.4081/monaldi.2023.2640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 06/07/2023] [Indexed: 06/17/2023] Open
Abstract
Reflux asthma is an entity characterized by typical symptoms and, in some cases, is "silent"; it is more dangerous when associated with obesity and sleep apnea syndrome. Numerous studies demonstrate its high prevalence in the general population, particularly in the pediatric population, where, despite medical specialists' treatment, asthma symptoms remain poorly controlled with a high risk of acute exacerbations. This clinical study aims to show how the addition of a particular type of alginate (Deflux Plus sachets) containing hyaluronic acid and melatonin at low doses administered over a prolonged period of 6 months causes a reduction in vagal reflex stimulation of the esophagus and pulmonary microaspiration reflexes by regulating lower esophageal sphincter motility in asthmatic patients, improving the asthma control test (ATC) score. In the reported statistical analysis, receiver operating characteristic curves were performed for sensitivity and specificity for the analyzed parameters, including the ACT score, with statistically significant data p<0.0001. We conclude that combining conventional therapy for reflux asthma with alginates may improve the risk of acute asthma exacerbations and dynamic lung volumes.
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Affiliation(s)
- Marco Umberto Scaramozzino
- Outpatient Clinic of Pulmonology "La Madonnina", Reggio Calabria; Thoracic Endoscopy, Tirrenia Hospital, Belvedere Marittimo.
| | - Maurizia Festa
- Human Nutrition Sciences, Outpatient Clinic of Pulmonology "La Madonnina", Reggio Calabria.
| | - Guido Levi
- Pulmonology Department, ASST Spedali Civili di Brescia; Department of Clinical and Experimental Sciences, University of Brescia.
| | | | - Giovanni Sapone
- Cardiology Department, Nursing Polyclinic M.d.c., Reggio Calabria.
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Haddad HA, He Z, Shaffer SE, Molle‐Rios ZL. Salivary pepsin A detection related to gastro-oesophageal reflux episodes in children undergoing impedance probe monitoring. Acta Paediatr 2020; 109:2374-2379. [PMID: 32239539 DOI: 10.1111/apa.15276] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 02/11/2020] [Accepted: 03/24/2020] [Indexed: 02/06/2023]
Abstract
AIM Gastro-oesophageal reflux is routinely diagnosed with invasive intraluminal impedance pH probe monitoring. This study aimed to determine whether gastric pepsin A detected in saliva of children correlates with gastro-oesophageal reflux. METHODS Patients undergoing probe monitoring were prospectively recruited between 2014 and 2016 at a paediatric hospital. Standard impedance and demographic data were obtained from electronic medical records. Salivary samples were collected during impedance and measured for gastric pepsin A with an enzyme-linked immunosorbent assay. Impedance probe and pepsin data were analysed and compared for correlation. RESULTS From 52 enrolled subjects, 28 males and 24 females with mean age 8.0 ± 5.9 and range 0.58-18.0 years, 417 salivary samples were collected. Positive pepsin was found in 14% of samples and 48% patients. The sensitivity of pepsin A in predicting an abnormal impedance was 43% and specificity, 50%. Among pepsin A positive samples, 72% corresponded with a gastro-oesophageal reflux episode. Pepsin peak levels significantly correlated with acidic reflux. CONCLUSION Pepsin A was presented in saliva of children undergoing gastro-oesophageal reflux disease investigation. Positive pepsin A was associated with a gastro-oesophageal reflux episode, and its peak value correlated with acidic reflux. Salivary pepsin as a marker for gastro-oesophageal reflux needs further investigation.
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Affiliation(s)
- Hadeel Alatrash Haddad
- Division of Gastroenterology, Hepatology and Nutrition Nemours/Alfred I. duPont Hospital for Children Wilmington DE USA
- Department of Pediatrics Sidney Kimmel Medical College at Thomas Jefferson University Philadelphia PA USA
| | - Zhaoping He
- Department of Biomedical Research Nemours/Alfred I. duPont Hospital for Children Wilmington DE USA
| | - Stephen E. Shaffer
- Division of Gastroenterology, Hepatology and Nutrition Nemours/Alfred I. duPont Hospital for Children Wilmington DE USA
- Department of Pediatrics Sidney Kimmel Medical College at Thomas Jefferson University Philadelphia PA USA
| | - Zarela L. Molle‐Rios
- Division of Gastroenterology, Hepatology and Nutrition Nemours/Alfred I. duPont Hospital for Children Wilmington DE USA
- Department of Pediatrics Sidney Kimmel Medical College at Thomas Jefferson University Philadelphia PA USA
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Gastro-pharyngeal reflux and total laryngectomy. Increasing knowledge about its management. Am J Otolaryngol 2018; 39:127-132. [PMID: 29307652 DOI: 10.1016/j.amjoto.2017.12.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 12/04/2017] [Accepted: 12/11/2017] [Indexed: 01/01/2023]
Abstract
PURPOSE Investigate the incidence, the degree and the effect of gastro-pharyngeal reflux (GPR) in laryngectomised patients. MATERIALS AND METHODS Behavioral and 24-hour pH- and impedance-monitoring data were prospectively analyzed for 25 laryngectomised patients with no previous history of GER in outpateints' setting. Reflux detected was characterized as either acid, weakly acidic or nonacid. Proximal reflux was found at 15cm above the LES. RESULTS 40% of patients presented a pathological number of reflux episodes in the upright position (p<0.0001); 9 of them presented a pathologic bolus exposure time. Bolus exposure at the proximal sphincter was one fourth-fold lower than 5cm above the LES (p=0.3593). There was a prevalence of acid reflux at both sphincters (p<0.0001); liquid reflux was prevalent at the LES (p=0.003) and mixed reflux at the UES (p=0.0001). Median REs was higher than time acid exposure (p=0.0013). CONCLUSIONS Pre- and post-surgical reflux investigation could identify preexisting reflux severity and screen potential high-risk cancer patients for postoperative complications. This might allow the early onset of acid suppressive therapy in presence of pathologic findings in high-complication risk cancer patients.
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Schmidt J, Łapienis M, Stawicki M. Laryngologiczny obraz refluksu krtaniowo-gardłowego – doświadczenia własne w diagnozowaniu i leczeniu. Otolaryngol Pol 2013; 67:139-43. [DOI: 10.1016/j.otpol.2013.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Accepted: 01/11/2013] [Indexed: 11/27/2022]
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WITHDRAWN: Laryngologiczny obraz refluksu krtaniowo-gardłowego – doświadczenia własne w diagnozowaniu i leczeniu. Otolaryngol Pol 2012. [DOI: 10.1016/j.otpol.2012.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Noffsinger AE. Update on esophagitis: controversial and underdiagnosed causes. Arch Pathol Lab Med 2009; 133:1087-95. [PMID: 19642735 DOI: 10.5858/133.7.1087] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2008] [Indexed: 11/06/2022]
Abstract
CONTEXT Esophagitis is a common cause of symptoms for which patients seek the advice of a physician. Esophagitis of differing etiologies often demonstrate overlapping histopathologic features, making their distinction difficult. This is especially true in esophageal disorders associated with increased numbers of intraepithelial eosinophils, some of which have just recently been recognized. OBJECTIVE This review discusses the important clinical and pathologic features of the 2 most common disorders associated with esophageal eosinophilic infiltrates--reflux esophagitis and eosinophilic esophagitis--with special emphasis on features that allow the surgical pathologist to distinguish between these disorders. The various forms of drug-induced esophagitis are also discussed because these are frequently underrecognized by pathologists. DATA SOURCES Data were extracted from articles identified through PubMed-based research. Histologic figures have been taken from the personal case collection of the author. CONCLUSIONS Reflux and eosinophilic esophagitis demonstrate overlapping histologic features, which may make their distinction difficult. Drug-induced esophagitis is probably a common phenomenon but is underrecognized by pathologists.
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Affiliation(s)
- Amy E Noffsinger
- Department of Pathology, University of Chicago Medical Center, Chicago, Illinois 60637, USA.
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Smith CD. Surgical therapy for gastroesophageal reflux disease: indications, evaluation, and procedures. Gastrointest Endosc Clin N Am 2009; 19:35-48, v-vi. [PMID: 19232279 DOI: 10.1016/j.giec.2008.12.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Gastroesophageal reflux is a very common condition, and surgery remains a reasonable options in select patients. Successful surgical care for GERD depends on proper patient selection, workup and operative technique. This manuscript reviews surgical care for GERD.
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Affiliation(s)
- C Daniel Smith
- Department of Surgery, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL 32224, USA.
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Lessard A, Maltais F, Boulet LP. Clinical management of chronic obstructive pulmonary disease and asthma in an obese patient. Expert Opin Pharmacother 2008; 9:83-93. [PMID: 18076340 DOI: 10.1517/14656566.9.1.83] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The prevalence of obesity has noticeably increased worldwide. The clinician is now frequently facing the challenge of managing patients with concomitant chronic obstructive pulmonary disease (COPD) or asthma and obesity. Obesity is often associated with a poorer control of these chronic respiratory diseases and the optimal management of these conditions in the presence of obesity remains to be determined. Herein, the authors review the present understanding of the influence of obesity in the development, clinical manifestations and management of asthma and COPD. The influence of weight loss, response to present therapies as well as new targets for the treatment of COPD and asthma in obese subjects are also discussed, in addition to future directions for research.
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Affiliation(s)
- Andréa Lessard
- Université Laval, Hôpital Laval, Institut Universitaire de Cardiologie et de Pneumologie de l'Université Laval, 2725 Chemin Sainte-Foy, G1V 4G5 Québec, Canada
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Esophagus Benign Diseases of the Esophagus. Surgery 2008. [DOI: 10.1007/978-0-387-68113-9_44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Dal Negro RW, Turco P, Micheletto C, Tognella S, Bonadiman L, Guerriero M, Sandri M. Cost analysis of GER-induced asthma: a controlled study vs. atopic asthma of comparable severity. Respir Med 2007; 101:1814-20. [PMID: 17419043 DOI: 10.1016/j.rmed.2007.02.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2006] [Revised: 11/06/2006] [Accepted: 02/11/2007] [Indexed: 10/23/2022]
Abstract
Bronchial asthma is a costly disease: while the role of pharmaceutical strategies was greatly emphasised in order to alleviate its economic burden, the aetiological approach to asthma has received much less attention from this point of view. The impact of gastro-oesophageal reflux (GER)-related asthma was assessed in comparison to atopic asthma in 262 matched patients, and the corresponding direct and indirect annual costs calculated. All subjects were screened by means of a 95-item self-questionnaire. The overall resource utilisation was calculated for the last 12 months. Drug-induced annual costs were euro 290.4 (interquartile range-iqr 32.8) in atopic and euro 438.4 (iqr 27.8) in GER-related asthma (p<0.001); expenditure for medical consultations and diagnostics were euro 166.1 (iqr 14.8) vs. euro 71.6 (iqr 11.0) (p<0.001), and euro 338.4 (20.0) vs. 186.9 (iqr 26.5) (p<0.001), respectively. Direct costs due to hospital admissions and indirect costs due to absenteeism were also higher in GER-related asthmatics: 2.201.7+/-90.0 vs. euro 567.1+/-11.0 (p<0.001), and euro 748.7+/-94.7 vs. euro 103.6+/-33.9 (p<0.001), respectively. The total annual cost per patient was euro 1246.7 (iqr 1979.6) in atopic and euro 3967.1 (iqr 3751.5) in GER-related asthma, p<0.001. In conclusion, GER-induced asthma has a more relevant economic impact on healthcare resources than atopic asthma. Although further studies are needed, present data tend to demonstrate that when facing difficult asthma (GER-related asthma in this case), the aetiological assessment of the disease plays a critical role in optimising the approach to patients' needs.
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Goldani HAS, Silveira TRD, Rocha R, Celia L, Dalle Molle L, Barros SGSD. [Predominant respiratory symptoms in indications for prolonged esophageal pH-monitoring in children]. ARQUIVOS DE GASTROENTEROLOGIA 2005; 42:173-7. [PMID: 16200254 DOI: 10.1590/s0004-28032005000300009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND An increasing prevalence of extraesophageal complications of gastroesophageal reflux (GER) has been seen. Evaluation of clinical profiles of patients submitted to prolonged esophageal pH monitoring could help to identify the patients who could benefit from the early diagnosis of GER. OBJECTIVE To evaluate the population, indications and results of esophageal pH-monitoring for the diagnosis of GER in a pediatric gastroenterology clinic. PATIENTS AND METHODS Data from 190 children and adolescents who had esophageal pH-monitoring were analyzed. A descriptive analysis of the population was performed and the children were categorized in five groups according to the age. The equipment used was a Digitrapper MKIII (Synetics) and all data were analyzed by using a software EsopHogram 5.7. Reflux index was established for analysis. RESULTS The most frequent indications for the exam were: asthma (26.8%), apnea/cyanosis (20%), recurrent pulmonary infections (18.4%), wheezing infant syndrome (15.8%) and chronic cough/horseness (11%). The most frequent groups of age for the respiratory symptoms were: asthma--above 5 years (92.2%); apnea/cyanosis--under 3 months (55.3%); recurrent pulmonary infections and wheezing infant syndrome--3 to 12 months (31.4% and 83.3%). Reflux index of patients with positive exam for GER was significantly higher in patients under 2 years than above 2 years of age. CONCLUSION Respiratory symptoms were predominant among the indications for esophageal pH-monitoring in children. The knowledge of the clinical profile of the patients who had esophageal pH monitoring could help to improve the technical quality of the exam.
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Affiliation(s)
- Helena Ayako Sueno Goldani
- Unidade de Gastroenterologia Pediátrica, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS.
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Altman KW, Stephens RM, Lyttle CS, Weiss KB. Changing impact of gastroesophageal reflux in medical and otolaryngology practice. Laryngoscope 2005; 115:1145-53. [PMID: 15995499 DOI: 10.1097/01.mlg.0000165464.75164.e5] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVES/HYPOTHESIS A major trend in gastroesophageal reflux disease (GERD) is an observed increased prevalence of the problem, with an associated burden on health care resources. There are relatively few objective reports of increasing prevalence of this disease, and there are no epidemiologic reports that discuss changing practice strategies in managing the disease. The clinical problem is of critical importance to practicing otolaryngologists, who manage the impact of GERD on diseases affecting the ear, nose, and throat. The hypothesis of this thesis is that 1) GERD is an increasing problem affecting outpatient office visits over time, and 2) the disease is increasingly managed with prescription pharmacotherapy. STUDY DESIGN Retrospective national medical database review using the National Ambulatory Medical Care Survey. METHODS Twelve years of data (1990-2001) were examined with visits weighted to provide U.S. estimates of care. Average annual frequencies and visit rates were calculated for total visits and by age, sex, race, and physician specialty. Selected issues in GERD treatment were also examined, including prescriptions and physician/patient counseling regarding stress management, tobacco abuse, and diet modification. Trends were reported based on changes in care across three time periods to satisfy statistical significance: 1990 to 1993, 1994 to 1997, and 1998 to 2001. RESULTS Between 1990 and 1993 and 1998 and 2001, there was a significant increase in U.S. ambulatory care visits for GERD, from a rate of 1.7 per 100 to 4.7 per 100. There were no significant changes in race, although there was a small trend toward increased GERD visits in the age group over 44 years old and in the male sex. Office visits to otolaryngologists increased from 89,000 to 421,000 between the time periods of 1990 to 1993 and 1998 to 2001. This also represented a percent increase in office encounters by otolaryngologists compared with visits by all specialties from 2.9% to 4.4%. Over the three time periods, there was a fall in prescriptions for histamine (H2) blockers from 58.1% to 20.7% of total prescriptions. Over the same three time periods, prescriptions of proton pump inhibitors increased from 13.2% to 64.6%. Physician recommendations for over the counter medications fell from 18.8% to 6.6%. Average annual counseling during ambulatory care visits for GERD was assessed for the period from 1998 to 2001 as follows: diet counseling was provided at 27.2% of encounters, tobacco cessation counseling was provided at 3.9%, and stress management was discussed at 3.9%. CONCLUSIONS During the 1990s, there was a substantial increase in the use of ambulatory care services for GERD. Although much of this increase was among the primary care community, otolaryngologists appeared to have an increasingly prominent role in the management of this disease. There have also been dramatic changes in physician prescribing patterns for GERD, with the emergence of the predominant role of proton pump inhibitors. However, the use of physician counseling for lifestyle modification of factors known to affect GERD remains very low. The increasing impact of GERD on physician practice emphasizes the importance of both physician and patient education in the delivery of health care related to this disease.
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Affiliation(s)
- Kenneth W Altman
- Department of Otolaryngology-Head and Neck Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois 10029, USA
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Berg S, Hoffstein V, Gislason T. Acidification of Distal Esophagus and Sleep-Related Breathing Disturbances. Chest 2004; 125:2101-6. [PMID: 15189928 DOI: 10.1378/chest.125.6.2101] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
STUDY OBJECTIVES To investigate whether distal esophageal acidification occurs during sleep in patients suspected of sleep-disordered breathing, and whether such acidification is related to respiratory abnormalities. DESIGN AND PATIENTS Fourteen middle-aged, snoring men all complaining of daytime sleepiness and suspected of having obstructive sleep apnea. SETTING Sleep laboratory, Pulmonary Department, Landspitali University Hospital, Reykjavik, Iceland. MEASUREMENTS AND RESULTS Each patient underwent full nocturnal polysomnography testing, which included continuous monitoring of esophageal pressure (Pes) and pH. We identified all pH events, which were defined as a reduction in esophageal pH of >/= 1.0. During each pH event, the respiratory recordings where examined for the presence of apneas or hypopneas, and Pes was recorded. The data were analyzed to determine the possible relationships between pH events and respiratory events, and between changes in pH and changes in Pes. We found that there were more respiratory events than pH events. The mean (+/- SD) number of apneas and hypopneas per hour of sleep was 33 +/- 22, whereas the mean number of pH events per hour of sleep was 7 +/- 6. Overall, 81% of all pH events were associated with respiratory events. Correlation analysis did not reveal any significant relationship between pH events and the magnitude of Pes or apnea-hypopnea index. CONCLUSIONS Episodes of esophageal acidification are common in patients with sleep apnea, and are usually associated with respiratory and pressure events. However, changes in pH were independent of the magnitude of the Pes.
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Affiliation(s)
- Soren Berg
- Lund Sleep Study Group, Department of Oto-Rhino-Laryngology, Head and Neck Surgery, University of Lund, Sweden
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Wu LL, Lu FJ, Lai YL. Mast cells and reactive oxygen species in citric acid-induced airway constriction. J Appl Physiol (1985) 2004; 96:1879-85. [PMID: 15075313 DOI: 10.1152/japplphysiol.00999.2003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The noncholinergic airway constriction is mediated by tachykinins, mainly neurokinin A and substance P, and this bronchoconstriction is usually enhanced during inflammatory episodes. We demonstrated previously that reactive oxygen species play an important role in capsaicin-, hyperventilation-, and citric acid (CA) inhalation-induced noncholinergic airway constriction. For understanding cellular involvement, we further investigated the relationship between mast cells, bradykinin (BK), reactive oxygen species, and noncholinergic airway constriction. Sixty-five guinea pigs were divided into seven groups: saline control; CA; BK + CA; cromolyn sodium (CS) + CA; BK + CS + CA; compound 48/80 + CA; and compound 48/80 + BK + CA. CS was used to stabilize mast cells, whereas a secretagogue, compound 48/80, was for the depletion of mast cells. Each animal was anesthetized, cannulated, paralyzed, and ventilated artificially. In control animals, CA aerosol inhalation caused decreases in dynamic compliance and forced expiratory parameters, indicating CA-induced noncholinergic airway constriction. Either CS or compound 48/80 significantly attenuated the CA-induced airway constriction. Also, we detected a significant increase in lucigenin-initiated chemiluminescence counts of the bronchoalveolar lavage sample in the BK + CA group. Furthermore, CA exposure caused an increase in bronchoalveolar lavage substance P level. Either CS or compound 48/80 prevented the above CA-induced increases in chemiluminescence and substance P. These results suggest that mast cells play an important role in CA aerosol inhalation-induced airway constriction via perhaps releasing constricting factors.
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Affiliation(s)
- Li-Ling Wu
- Department of Physiology, National Taiwan University College of Medicine, Taipei 100, Taiwan
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Abstract
Gastro-oesophageal reflux disease (GORD) is a common, chronic disorder that can progress to erosive or ulcerative oesophagitis and other complications. Uncomplicated GORD can be defined using criteria that combine symptom assessment and the impact of symptoms on well being or quality of life. The extent of impairment of health-related quality of life (HRQL) in GORD patients has been evaluated using generic HRQL questionnaires, GORD-specific quality of life questionnaires or a combination of the two types of instruments. The impact of GORD on HRQL in affected individuals is proportional to the frequency and severity of heartburn, and is greater than that associated with many other chronic diseases. In the treatment of GORD, the goal should be complete symptom resolution as this has been shown to be associated with a clinically significant improvement in HRQL. Both drug treatment and surgical intervention have been successful in improving HRQL of patients with GORD when complete symptom resolution can be attained.
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Affiliation(s)
- Michael J Shaw
- Park Nicollet Medical Foundation Health Research Center, Minneapolis, Minnesota, USA
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Nijevitch AA, Loguinovskaya VV, Tyrtyshnaya LV, Sataev VU, Ogorodnikova IN, Nuriakhmetova AN. Helicobacter pylori infection and reflux esophagitis in children with chronic asthma. J Clin Gastroenterol 2004; 38:14-8. [PMID: 14679321 DOI: 10.1097/00004836-200401000-00005] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND Reflux esophagitis is uncommon in countries in which most people are colonized by H. pylori infection and is extremely rare in persons with reflux esophagitis, although esophagitis is detected in almost 50% of children with recurrent lower respiratory tract symptoms. HYPOTHESIS Failure to acquire H. pylori can enhance esophagitis risk in children with chronic asthma. PATIENTS AND METHODS Forty-two pediatric out-patients with chronic asthma (mean age 13.2 +/- 1.18 years, range 12-15 years, 23 boys and 19 girls) were included in the study. They had undergone endoscopy with gastric and esophageal biopsies for upper dyspeptic complaints. H. pylori positivity was confirmed by positive Giemsa staining. Esophagitis was diagnosed by standard histologic procedure (presence of intraepithelial leukocytes or basal cell hyperplasia). RESULTS H. pylori colonization was detected histologically in 22 of 42 patients (52.4%) enrolled in the study. Histology demonstrated that in asthmatic children with evidence of H. pylori infection esophagitis was a dramatically rare finding than in the patients without the infection (P < 0.001). It was an unexpected finding, that lung function parameters (FEF50, FEF75) were significantly lower in asthmatics infected with H. pylori (P < 0.05). CONCLUSION The present findings suggest inverse association between esophagitis and H. pylori in course of asthma in pediatric patients.
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Affiliation(s)
- Alexander A Nijevitch
- Outpatient Department, Children's Republican Hospital, PO Box 4894, Ufa-57, 450057 Russia.
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Jiang SP, Liang RY, Zeng ZY, Liu QL, Liang YK, Li JG. Effects of antireflux treatment on bronchial hyper-responsiveness and lung function in asthmatic patients with gastroesophageal reflux disease. World J Gastroenterol 2003; 9:1123-5. [PMID: 12717871 PMCID: PMC4611387 DOI: 10.3748/wjg.v9.i5.1123] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the effects of antireflux treatment on bronchial hyper-responsiveness and lung function in asthmatic patients with gastroesophageal reflux disease (GERD).
METHODS: Thirty asthmatic patients with GERD were randomly divided into two groups (group A and group B). Patients in group A (n = 15) only received asthma medication including inhaled salbutamol 200 μg four times a day and budesonide 400 μg twice a day for 6 weeks. Patients in Group B (n = 15) received the same medication as group A, and also antireflux therapy including oral omeprazole 20 mg once a day and domperidone 10 mg three times a day for 6 weeks. Pulmonary function tests and histamine bronchoprovocation test were performed before and after the study.
RESULTS: There was no significant difference in the baseline values of pulmonary function and histamine PC20-FEV1 between the two groups. At the end of the study, the mean values for VC, VC%, FVC, FVC%, FEV1, FEV1%, PEF, PEF%, PC20-FEV1 were all significantly improved in group B, compared with
group A.
CONCLUSION: Antireflux therapy may improve pulmonary function and inhibit bronchial hyper-responsiveness in asthmatic patients with GERD.
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Affiliation(s)
- Shan-Ping Jiang
- Department of Respiratory Medicine, The Second Affiliated Hospital, Sun Yat-sen University, Guangzhou 510120, Guangdong Province, China.
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Al-Dlaigan YH, Shaw L, Smith AJ. Is there a relationship between asthma and dental erosion? A case control study. Int J Paediatr Dent 2002; 12:189-200. [PMID: 12028311 DOI: 10.1046/j.1365-263x.2002.00360.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVES The aims of this study were firstly to assess and compare the prevalence of dental erosion and dietary intake between three groups of children; children with asthma, those with significant tooth erosion but with no history of asthma, and children with no history of asthma or other medical problems. Secondly, to discover whether there was a relationship between medical history and dietary practises of these children and the levels of dental erosion. Thirdly, to measure and compare their salivary flow rates, pH and buffering capacity. METHODS The study consisted of 3 groups of children aged 11-18 years attending Birmingham Dental Hospital: 20 children with asthma requiring long-term medication, 20 children referred with dental erosion, and 20 children in the age and sex matched control group. Tooth wear was recorded using a modification of the tooth wear index (TWI) of Smith and Knight. Data on the medical and dietary history were obtained from a self-reported questionnaire supplemented by a structured interview. The salivary samples were collected under standard methods for measurements. RESULTS Fifty percent of the children in the control group had low erosion and 50% moderate erosion. However, high levels were recorded in 35% of children in the asthma group and 65% in the erosion group. There appeared to be no overall differences in diet between the groups. There was an association between dental erosion and the consumption of soft drinks, carbonated beverages and fresh fruits in all the three groups. More variables related to erosion were found in the erosion and asthma groups. A comparison between the three groups showed no significant differences in unstimulated and stimulated salivary flow rates, or pH and buffering capacity. CONCLUSION There were significant differences in the prevalence of erosion between the three groups, children with asthma having a higher prevalence than the control group. Although there was a relationship between the levels of erosion and some medical history and acidic dietary components, these did not explain the higher levels in asthmatic children. Further investigation is required into the factors affecting the increased prevalence of erosion in children with asthma.
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Affiliation(s)
- Y H Al-Dlaigan
- Unit of Paediatric Dentistry, Unit of Oral Biology, The University of Birmingham Dental School, St Chads, Queensway, Birmingham B4 6NN, UK
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Gislason T, Janson C, Vermeire P, Plaschke P, Björnsson E, Gislason D, Boman G. Respiratory symptoms and nocturnal gastroesophageal reflux: a population-based study of young adults in three European countries. Chest 2002; 121:158-63. [PMID: 11796445 DOI: 10.1378/chest.121.1.158] [Citation(s) in RCA: 154] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
STUDY OBJECTIVE To estimate the possible association between reported symptoms of gastroesophageal reflux (GER) after bedtime, sleep-disordered breathing, respiratory symptoms, and asthma. DESIGN Cross-sectional international population survey. PARTICIPANTS Participants consisted of 2,661 subjects (age range, 20 to 48 years) from three countries (Iceland, Belgium, and Sweden), of whom 2,202 were randomly selected from the general population and 459 were added because of reported asthma. MEASUREMENTS The investigation included a structured interview, spirometry, methacholine challenge, peak flow diary, skin-prick tests, and a questionnaire on sleep disturbances. RESULTS In the random population sample, 101 subjects (4.6%) reported GER, which was defined as the occurrence of heartburn or belching after going to bed at least once per week. Subjects with nocturnal GER more often were overweight and had symptoms of sleep-disordered breathing than participants not reporting GER. Participants with GER were more likely to report wheezing (adjusted odds ratio [OR], 2.5), breathlessness at rest (adjusted OR, 2.8), and nocturnal breathlessness (adjusted OR, 2.9), and they had increased peak flow variability compared to the subjects without GER. Physician-diagnosed current asthma was reported by 9% of subjects with GER compared to 4% of those not reporting GER (p < 0.05). Subjects with the combination of asthma and GER had a higher prevalence of nocturnal cough, morning phlegm, sleep-related symptoms, and higher peak flow variability than subjects with asthma alone. CONCLUSION The occurrence of GER after bedtime is strongly associated with both asthma and respiratory symptoms, as well as symptoms of obstructive sleep apnea syndrome. The partial narrowing or occlusion of the upper airway during sleep, followed by an increase in intrathoracic pressure, might predispose the patient to nocturnal GER and, consequently, to respiratory symptoms.
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Klaus A, Swain JM, Hinder RA. Laparoscopic antireflux surgery for supraesophageal complications of gastroesophageal reflux disease. Am J Med 2001; 111 Suppl 8A:202S-206S. [PMID: 11749951 DOI: 10.1016/s0002-9343(01)00831-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gastroesophageal reflux disease can result in such supraesophageal complications as hoarseness, sore throat, cough, bronchitis, asthma, recurrent pneumonia, intermittent choking, chest pain, and ear pain. Appropriate patient care involves careful evaluation to decide on medical or surgical therapy. Preoperative testing must include endoscopy, 24-hour esophageal pH monitoring, and esophageal manometry. Additional evaluations, such as barium swallow, chest x-ray, bronchoscopy, and sinus radiographs, may be required. Medical treatment improves gastroesophageal reflux and supraesophageal symptoms. However, surgical therapy seems to provide better long-term results. A profile that predicts the best response to medical therapy has not been identified, although the best results with surgery are achieved in patients with nocturnal asthma, onset of reflux before pulmonary symptoms, laryngeal inflammation, and a good response to medical treatment.
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Affiliation(s)
- A Klaus
- Department of Surgery, Mayo Clinic Jacksonville, 4500 San Pablo Road, Jacksonville, FL 32224, USA
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22
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Abstract
Gastroesophageal reflux (GER) has been associated with a number of interstitial lung diseases, including systemic sclerosis and idiopathic pulmonary fibrosis. Systemic sclerosis results in both pulmonary and esophageal manifestations, and studies have shown a correlation, but no causal relation, between GER and pulmonary fibrosis in this condition. The role of GER in idiopathic pulmonary fibrosis has recently been studied using esophageal pH monitoring, and the results show high prevalence of GER compared with normal individuals and patients with other interstitial lung diseases of known cause. Aggressive, long-term therapy of GER and evaluation of its effect on pulmonary disease will allow determination of the real influence of GER on idiopathic pulmonary fibrosis. Additional outcomes-based studies and therapeutic trials are needed to clarify the association between GER and interstitial lung diseases.
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Affiliation(s)
- A J Ing
- Division of Respiratory Medicine (C-31), Concord Hospital, Sydney, New South Wales 2139, Australia
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Harmanci E, Entok E, Metintas M, Vardareli E, Elbek O. Gastroesophageal reflux in the patients with asthma. Allergol Immunopathol (Madr) 2001; 29:123-8. [PMID: 11674925 DOI: 10.1016/s0301-0546(01)79044-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Thirty one patients with asthma (mean age was 44.4 10.7; range 18-63) were investigated for gastroesophageal reflux (GER). The patients were separated into two groups according to presence of reflux and/or nocturnal symptoms. 13 patients had one of the reflux and/or nocturnal asthma symptoms (Group 1), whereas 18 patients had none of them (Group 2). To assess GER patients underwent to scintigraphy with Tc99m. GER was determined 4 of 13 patients in group 1 (30,7 %) and 1 of 18 patients in group 2 (5,5 %). There was significant difference between the group 1 and group 2 in that respect (p < 0,001). The patients with established GER (5 patients) were given Omeprazole (a proton pomp inhibitor) 40 mg daily for 4 weeks following a 2 week placebo period. The patients recorded their daily and nocturnal symptoms of asthma, additional salbutamol use, morning and evening peak expiratory flow rates (PEFR) measurements in a daily chart during placebo and omeprazole treatment without changing their antiasthma treatment. Their PEFR, FEV1 values, daily and nocturnal symptoms and additional beta agonist use did not changed after omeprazole treatment except one. But their reflux symptoms (heartburn and regurgitation) were improved. As a consequence, we suggested that asthmatics which have some complaints of reflux should be searched for GER. Not the respiratory functions but GER symptoms can be improved w
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Affiliation(s)
- E Harmanci
- Departments of Pulmonary Diseases, Osmangazi University School of Medicine Eskisehir, Turkey.
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Bagnato GF, Gulli S, Giacobbe O, De Pasquale R, Purello D'Ambrosio F. Bronchial hyperresponsiveness in subjects with gastroesophageal reflux. Respiration 2001; 67:507-9. [PMID: 11070453 DOI: 10.1159/000067464] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The relationship between gastroesophageal reflux (GER) and asthma has been widely studied in the last years. GER may interfere with airway reactivity and aggravate or even induce asthma. OBJECTIVE To assess the prevalence of bronchial hyperresponsiveness (BHR) in patients with GER disease with a view to judging the potential influence of GER on BHR. METHODS 30 patients with GER disease and no clinical evidence of asthma and 30 normal subjects underwent a methacholine bronchial challenge. The methacholine concentration that caused a 20% fall in the FEV(1) (PC20) was used to assess bronchial responsiveness. RESULTS In the GER group 11 subjects of the 30 studied showed a PC20 methacholine equal to or less than 8 mg/ml while in the control group only 2 subjects had a PC20 methacholine equal to or less than 8 mg/ml (p < 0.01; ANOVA test). CONCLUSIONS Subjects with GER had a greater increase in airway reactivity when inhaling methacholine compared to disease-free normal subjects.
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Affiliation(s)
- G F Bagnato
- Department of Internal Medicine, University of Messina, Italy.
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25
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Esophagus. Surgery 2001. [DOI: 10.1007/978-3-642-57282-1_26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Mandel KG, Daggy BP, Brodie DA, Jacoby HI. Review article: alginate-raft formulations in the treatment of heartburn and acid reflux. Aliment Pharmacol Ther 2000; 14:669-90. [PMID: 10848650 DOI: 10.1046/j.1365-2036.2000.00759.x] [Citation(s) in RCA: 124] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Alginate-based raft-forming formulations have been marketed word-wide for over 30 years under various brand names, including Gaviscon. They are used for the symptomatic treatment of heartburn and oesophagitis, and appear to act by a unique mechanism which differs from that of traditional antacids. In the presence of gastric acid, alginates precipitate, forming a gel. Alginate-based raft-forming formulations usually contain sodium or potassium bicarbonate; in the presence of gastric acid, the bicarbonate is converted to carbon dioxide which becomes entrapped within the gel precipitate, converting it into a foam which floats on the surface of the gastric contents, much like a raft on water. Both in vitro and in vivo studies have demonstrated that alginate-based rafts can entrap carbon dioxide, as well as antacid components contained in some formulations, thus providing a relatively pH-neutral barrier. Several studies have demonstrated that the alginate raft can preferentially move into the oesophagus in place, or ahead, of acidic gastric contents during episodes of gastro-oesophageal reflux; some studies further suggest that the raft can act as a physical barrier to reduce reflux episodes. Although some alginate-based formulations also contain antacid components which can provide significant acid neutralization capacity, the efficacy of these formulations to reduce heartburn symptoms does not appear to be totally dependent on the neutralization of bulk gastric contents. The strength of the alginate raft is dependant on several factors, including the amount of carbon dioxide generated and entrapped in the raft, the molecular properties of the alginate, and the presence of aluminium or calcium in the antacid components of the formulation. Raft formation occurs rapidly, often within a few seconds of dosing; hence alginate-containing antacids are comparable to traditional antacids for speed of onset of relief. Since the raft can be retained in the stomach for several hours, alginate-based raft-forming formulations can additionally provide longer-lasting relief than that of traditional antacids. Indeed, clinical studies have shown Gaviscon is superior to placebo, and equal to or significantly better than traditional antacids for relieving heartburn symptoms. Alginate-based, raft-forming formulations have been used to treat reflux symptoms in infants and children, and in the management of heartburn and reflux during pregnancy. While Gaviscon is effective when used alone, it is compatible with, and does not interfere with the activity of antisecretory agents such as cimetidine. Even with the introduction of new antisecretory and promotility agents, alginate-rafting formulations will continue to have a role in the treatment of heartburn and reflux symptoms. Their unique non-systemic mechanism of action provides rapid and long-duration relief of heartburn and acid reflux symptoms.
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Affiliation(s)
- K G Mandel
- SmithKline Beecham Consumer Health Care, Parsippany, NJ 07054, USA.
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Copper MP, Smit CF, Stanojcic LD, Devriese PP, Schouwenburg PF, Mathus-Vliegen LM. High incidence of laryngopharyngeal reflux in patients with head and neck cancer. Laryngoscope 2000; 110:1007-11. [PMID: 10852522 DOI: 10.1097/00005537-200006000-00023] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Laryngopharyngeal reflux may play a role in the etiology of squamous cell cancer of the head and neck and contribute to complications in head and neck cancer patients after surgery or during radiotherapy. STUDY DESIGN Prospective study. METHODS To investigate the incidence of laryngopharyngeal and gastroesophageal reflux in patients with head and neck cancer, ambulatory 24-hour double-probe pH monitoring was performed in 24 untreated patients with laryngeal or pharyngeal squamous cell carcinoma. In addition, 10 patients who had been irradiated in the head and neck area were analyzed for reflux to study the effect of radiotherapy on reflux. RESULTS Only 4 of the 24 head and neck cancer patients (17%) had neither pathological laryngopharyngeal nor gastroesophageal reflux. Esophageal acid exposure was abnormal in five patients and acid exposure at the level of the upper esophageal sphincter was abnormal in four patients. Eleven patients had pathological reflux in both areas. Irradiated patients did not differ from the untreated patients considering the incidence of pathological laryngopharyngeal or gastroesophageal reflux. CONCLUSIONS The data obtained in this study indicate that reflux is a common event in head and neck cancer patients.
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Affiliation(s)
- M P Copper
- Department of Otorhinolaryngology and Head and Neck Surgery, Academic Medical Center, University of Amsterdam, The Netherlands.
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28
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Abstract
The relationship between asthma and gastroesophageal reflux (GER) is controversial. This paper reviews the evidence for an association between them, the effect of asthma on GER, and the effects of GER and antireflux therapy on asthma. The association between the two conditions seems firm but studies of the effects of GER on asthma and asthma on GER are contradictory. Critical review suggests that GER affects asthma symptoms but not pulmonary function. Antireflux therapy improves asthma symptoms and reduces medication requirements but does not improve pulmonary function. The paradox of GER causing asthma symptoms but not changing pulmonary function may be explained by its increasing minute ventilation rather than triggering bronchospasm.
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Affiliation(s)
- S K Field
- Division of Respirology, University of Calgary Medical School and the Calgary Asthma Program, Alberta, Canada.
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Fennerty MB. Extraesophageal gastroesophageal reflux disease. Presentations and approach to treatment. Gastroenterol Clin North Am 1999; 28:861-73, vi. [PMID: 10695006 DOI: 10.1016/s0889-8553(05)70094-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Prevalence of gastroesophageal reflux disease (GERD) is common in the adult US population, but likely is underestimated as many patients present with symptoms other than heartburn or regurgitation. Ears, nose, throat, pulmonary, and cardiac symptoms also frequently are related to GERD. The diagnosis of GERD as a cause of these symptoms can be difficult and treatment strategies are much less clear than in patients presenting with heartburn or regurgitation. This article discusses the epidemiology, pathogenesis, diagnosis, and treatment of some of the manifestations of extraesophageal reflux disease.
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Affiliation(s)
- M B Fennerty
- Division of Gastroenterology, Oregon Health Sciences University, Portland, USA.
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30
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Spivak H, Smith CD, Phichith A, Galloway K, Waring JP, Hunter JG. Asthma and gastroesophageal reflux: fundoplication decreases need for systemic corticosteroids. J Gastrointest Surg 1999; 3:477-82. [PMID: 10482703 DOI: 10.1016/s1091-255x(99)80100-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
An association between gastroesophageal reflux (GER) and asthma has been suggested for many decades. Although antireflux therapy (medical and surgical) has been shown to be beneficial in patients with asthma, response to therapy has not been well quantified. The aim of this study was to evaluate long-term outcome in patients with asthma and associated GER undergoing fundoplication. From a database of more than 600 patients with GER treated surgically between 1991 and 1996, 39 patients with asthma as their primary indication for surgery were identified. Asthma symptom scores were determined using the National Asthma Education Program classification, and medication frequency scores were determined preoperatively and at latest follow-up (median follow-up 2.7 years). Comparisons were made using the Wilcoxon rank-sum test. Asthma symptom scores decreased significantly after antireflux surgery. More important, the medication scores for use of systemic corticosteroids decreased significantly postoperatively (2.2 preoperatively vs. 0.7 postoperatively; P = 0.0001). Of the nine patients who required daily oral corticosteroids, seven have discontinued treatment entirely (78%). In patients with asthma associated with GER, symptoms of asthma are improved following fundoplication. Especially important has been the ability to wean patients from systemic corticosteroids postoperatively. Fundoplication should be offered to those patients with GER-associated asthma, especially those who are steroid dependent.
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Affiliation(s)
- H Spivak
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia 30322, USA
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Bouchard S, Lallier M, Yazbeck S, Bensoussan A. The otolaryngologic manifestations of gastroesophageal reflux: when is a pH study indicated? J Pediatr Surg 1999; 34:1053-6. [PMID: 10442586 DOI: 10.1016/s0022-3468(99)90562-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
PURPOSE The aim of this study was to evaluate the pertinence of pH studies for persistent ear, nose, and throat (ENT) symptoms and their eventual relationship to gastroesophageal reflux (GER). METHODS Retrospective analysis was performed of age, reason for referral, pH study, treatment, and follow-up of patients with ENT symptoms suspected to have GER. RESULTS Of 3,000 esophageal pH studies performed over 16 years, 105 children were referred for ENT symptoms by an otorhinolaryngologist to rule out GER. Mean age was 33 months; 65% were boys. Reasons for referral included (number and mean age): stridor (n = 31, 8 months), laryngomalacia (n = 18, 13 months), recurrent otitis (n = 12, 42 months), laryngitis (n = 16, 50 months), dysphonia (n = 14, 59 months), laryngeal papillomatosis (n = 8, 62 months), sinusitis (n = 5, 56 months), and dysphagia (n = 1). Overall, 41% of study results were positive: stridor (58%), laryngomalacia (61%), laryngitis (56%) and sinusitis (40%). Patients with otitis, dysphonia and laryngeal papillomatosis had GER in 1%, 14%, and 25%, respectively. Follow-up in the three larger groups of patients showed resolution of the ENT symptoms after medical treatment of the reflux in 83% of patients with stridor and reflux, 86% with laryngitis and reflux, and 80% with laryngomalacia and reflux. Four fundoplications were performed: one neurologically impaired patient, and four nonresponders. CONCLUSIONS The authors recommend that a pH study be performed in children with stridor, laryngomalacia, laryngitis, and sinusitis when faced with failure of the usual treatment. However, a pH study does not seem as beneficial for recurrent otitis, dysphonia, or laryngeal papillomatosis.
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Affiliation(s)
- S Bouchard
- Department of Pediatric Surgery, Sainte-Justine Hospital, Montreal, Quebec, Canada
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Ricciardolo FL, Rado V, Fabbri LM, Sterk PJ, Di Maria GU, Geppetti P. Bronchoconstriction induced by citric acid inhalation in guinea pigs: role of tachykinins, bradykinin, and nitric oxide. Am J Respir Crit Care Med 1999; 159:557-62. [PMID: 9927373 DOI: 10.1164/ajrccm.159.2.9804022] [Citation(s) in RCA: 97] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Gastroesophageal acid reflux into the airways can trigger asthma attacks. Indeed, citric acid inhalation causes bronchoconstriction in guinea pigs, but the mechanism of this effect has not been fully clarified. We investigated the role of tachykinins, bradykinin, and nitric oxide (NO) on the citric acid- induced bronchoconstriction in anesthetized and artificially ventilated guinea pigs. Citric acid inhalation (2-20 breaths) caused a dose-dependent increase in total pulmonary resistance (RL). RL value obtained after 10 breaths of citric acid inhalation was not significantly different from the value obtained after 20 breaths (p = 0.22). The effect produced by a half-submaximum dose of citric acid (5 breaths) was halved by the bradykinin B2 receptor antagonist HOE 140 (0.1 micromol x kg-1, intravenous) and abolished by the tachykinin NK2 receptor antagonist SR 48968 (0.3 micromol x kg-1, intravenous). Bronchoconstriction induced by a submaximum dose of citric acid (10 breaths) was partially reduced by the administration of HOE 140, SR 48968, or the NK1 receptor antagonist CP-99,994 (8 micromol x kg-1, intravenous) alone and completely abolished by the combination of SR 48968 and CP-99,994. Pretreatment with the NO synthase inhibitor, L-NMMA (1 mM, 10 breaths every 5 min for 30 min) increased in an L-arginine-dependent manner the effect of citric acid inhalation on RL. HOE 140 and CP-99,994 markedly reduced the L-NMMA-potentiated bronchoconstriction to inhaled citric acid. We conclude that citric acid-induced bronchoconstriction is caused by tachykinin release from sensory nerves, which, in part, is mediated by endogenously released bradykinin. Simultaneous release of NO by citric acid inhalation counteracts tachykinin-mediated bronchoconstriction. Our study suggests a possible implication of these mechanisms in asthma associated with gastroesophageal acid reflux and a potential therapeutic role of tachykinin and bradykinin antagonists.
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Affiliation(s)
- F L Ricciardolo
- Institute of Respiratory Disease, University of Catania, Italy.
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Abstract
Further advances in the ability to diagnose GER disease by use of ambulatory pH monitoring have unveiled a host of extraesophageal manifestations of GERD. These include pulmonary symptoms of asthma, recurrent pneumonia, cough or bronchitis, and infant apnea. Many of these symptoms may be the sole presentations of GER in these patients. It is important that the clinician is aware of these atypical presentations of GERD. The expanding use of ambulatory pH monitoring is helping to clarify the underlying pathophysiology of these disorders as well as to improve the ability to diagnose the atypical manifestations of GERD.
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Affiliation(s)
- M A Young
- Gastrointestinal Motility Laboratory, Carl T. Hayden Veterans Administration Medical Center, University of Arizona, USA
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