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Yin CY, Zhang SS, Zhong JT, Zhou SH. Pepsin and Laryngeal and Hypopharyngeal Carcinomas. Clin Exp Otorhinolaryngol 2020; 14:159-168. [PMID: 32734742 PMCID: PMC8111387 DOI: 10.21053/ceo.2020.00465] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 07/17/2020] [Indexed: 02/08/2023] Open
Abstract
Laryngeal and hypopharyngeal carcinomas are common malignant tumors of the head and neck, and the incidence of both is increasing. Laryngopharyngeal reflux refers to the retrograde flow of gastric contents into the larynx, oropharynx, and/or nasopharynx. It remains controversial whether laryngopharyngeal reflux is a risk factor for laryngeal and hypopharyngeal cancers. The refluxing substances mainly include hydrochloric acid, pepsin, and occasionally bile acids and bile salts, as well as bacteria that colonize the gastrointestinal tract. Loss of epithelium in the mucous membrane of the larynx and hypopharynx is thought to be caused by pepsin. Here, we review the relationships between laryngopharyngeal reflux and both laryngeal and hypopharyngeal carcinomas, as well as the significance of pepsin, methods of clinical detection, and the mechanism of carcinogenesis.
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Affiliation(s)
- Cheng-Yi Yin
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Department of Otolaryngology, The First People's Hospital of Huzhou City, Zhejiang, China
| | - Sha-Sha Zhang
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jiang-Tao Zhong
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Shui-Hong Zhou
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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Gastroesophageal and Laryngopharyngeal Reflux Associated With Laryngeal Malignancy: A Systematic Review and Meta-analysis. Clin Gastroenterol Hepatol 2019; 17:1253-1264.e5. [PMID: 30366155 DOI: 10.1016/j.cgh.2018.10.028] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 10/04/2018] [Accepted: 10/08/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Gastric reflux may lead to chronic mucosal inflammation and contribute to development of laryngeal malignancies, although there is controversy over this association. We performed a systematic review and meta-analysis to assess this relationship and determine the risk of laryngeal malignancy in patients with reflux disease. METHODS We performed a systematic review and meta-analysis, searching MEDLINE, EMBASE, and Web of Science databases from 1900 through April 9, 2018, for observational studies of adults reporting associations between gastroesophageal reflux disease (GERD) and/or laryngopharyngeal reflux and the risk of having or developing laryngeal malignancies. An itemized assessment of the risk of bias was conducted for each study that met inclusion criteria. The meta-analysis was performed using the Mantel-Haenszel method with random effects to account for heterogeneity. We performed subgroup analyses to determine the effect of reflux type, study design, diagnostic method, and confounding variables on the overall risk. RESULTS Of the 957 studies that were identified during systematic review, 18 case-control studies met the criteria for analysis. Our meta-analysis showed that reflux disease significantly increased the risk of laryngeal malignancy (odds ratio, 2.47; 95% CI, 1.90-3.21; P < .00001; I2 = 94%). This association remained when controlling for patient smoking and drinking (odds ratio, 2.07; 95% CI, 1.26-3.41). There was no statistically significant difference in risk of laryngeal malignancies between patients with GERD vs laryngopharyngeal reflux (P = .44). CONCLUSIONS In a systematic review and meta-analysis, we found a significant association between reflux disease and the presence of laryngeal malignancy. Prospective studies should be performed to examine this relationship.
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Ali SA, Smith JD, Hogikyan ND. The White Lesion, Hyperkeratosis, and Dysplasia. Otolaryngol Clin North Am 2019; 52:703-712. [PMID: 31078307 DOI: 10.1016/j.otc.2019.03.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Laryngeal mucosal precursor lesions represent a challenging clinical entity. Updated classification systems allow for grade-based categorization. Multiple management options exist, with treatment decisions made jointly by physician and patient and focused on both appropriate lesion treatment and preservation of laryngeal structure and function. Traditional methods include cold steel and CO2 laser excision, with newer modalities using angiolytic lasers for lesion ablation. Both operating room-based and office-based treatment options exist, and there are advantages and disadvantages to each approach. Research is ongoing to advance the understanding of lesion biology, and to optimize prevention and treatment.
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Affiliation(s)
- S Ahmed Ali
- Department of Otolaryngology - Head & Neck Surgery, Michigan Medicine, 1904 Taubman Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-5312, USA
| | - Joshua D Smith
- Department of Otolaryngology - Head & Neck Surgery, Michigan Medicine, 1904 Taubman Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-5312, USA
| | - Norman D Hogikyan
- Department of Otolaryngology - Head & Neck Surgery, Michigan Medicine, 1904 Taubman Center, 1500 East Medical Center Drive, Ann Arbor, MI 48109-5312, USA.
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Association of gastroesophageal reflux disease and laryngeal cancer. World J Otorhinolaryngol Head Neck Surg 2018; 4:278-281. [PMID: 30564792 PMCID: PMC6284196 DOI: 10.1016/j.wjorl.2017.12.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 10/06/2017] [Accepted: 12/12/2017] [Indexed: 01/21/2023] Open
Abstract
Objective Studies examining the association of reflux disease with the risk of developing laryngeal cancer have both proven and disproven the null hypothesis. Methods This retrospective case–control study examines the association of reflux in two populations exposed to similar risk factors, including tobacco, to the extent that end-organ malignant transformation has occurred. After IRB approval was obtained, a search of our hospital's cancer center's database was performed from 2000 to 2013. A retrospective chart review was then performed and the prevalence of gastroesophageal reflux disease among patients with laryngeal cancer (n = 290) was determined. It was then compared to the prevalence of gastroesophageal reflux disease among patients presenting with lung cancer (n = 2440) during the same time period. A multivariate logistic regression was performed to determine the association of reflux with laryngeal cancer. Results Taking into consideration tobacco use, there was a strong association between male gender and occurrence of laryngeal cancer as opposed to lung cancer (OR = 3.30; 95% CI 2.53–4.36, P < 0.001). There was a modest association between reflux and laryngeal cancer (OR = 1.65; 95% CI 1.19–2.25, P = 0.003). However, there was no association between reflux and the propensity for carcinoma in specific laryngeal subsites (P = 0.47). Conclusions In this study examining a heterogeneous population with end-organ malignancy there was a modest association between reflux and laryngeal cancer. Further research is necessary to determine the biologic relevance of this finding.
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Relationship of medial versus superior vocal-cord location of T1 squamous cell carcinoma with tumor recurrence. Am J Otolaryngol 2017; 38:316-320. [PMID: 28169008 DOI: 10.1016/j.amjoto.2017.01.033] [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: 12/15/2016] [Revised: 01/26/2017] [Accepted: 01/31/2017] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To determine if the clinical behavior of T1 glottic squamous cell carcinoma varies by its location on the medial free edge or upper aspect of the vocal cords. STUDY DESIGN Retrospective cohort. SETTING Single tertiary university-affiliated medical center. SUBJECTS AND METHODS Clinical, treatment, and outcome data were collected for 104 patients with T1N0M0 glottic squamous cell carcinoma who were treated and followed at our center in 1995-2013. Findings were compared between those with a tumor on the medial (n=60, 57.7%) or superior (n=44, 42.3%) aspect of the cords. RESULTS Mean follow-up time was 4.15years. No between-group differences were found in demographic or risk factors. There was a significant association of anterior commissure involvement with disease recurrence (P=0.0012) and of superior (vs medial) location with higher rates of anterior commissure involvement (P<0.001) and recurrence (P=0.01) and shorter time to recurrence (P<0.001). CONCLUSIONS T1 squamous cell carcinomas on the superior aspect of the vocal cords have a poorer prognosis than medial tumors and should be closely monitored for recurrence.
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Scarpignato C, Gatta L, Zullo A, Blandizzi C. Effective and safe proton pump inhibitor therapy in acid-related diseases - A position paper addressing benefits and potential harms of acid suppression. BMC Med 2016; 14:179. [PMID: 27825371 PMCID: PMC5101793 DOI: 10.1186/s12916-016-0718-z] [Citation(s) in RCA: 247] [Impact Index Per Article: 30.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Accepted: 10/14/2016] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The introduction of proton pump inhibitors (PPIs) into clinical practice has revolutionized the management of acid-related diseases. Studies in primary care and emergency settings suggest that PPIs are frequently prescribed for inappropriate indications or for indications where their use offers little benefit. Inappropriate PPI use is a matter of great concern, especially in the elderly, who are often affected by multiple comorbidities and are taking multiple medications, and are thus at an increased risk of long-term PPI-related adverse outcomes as well as drug-to-drug interactions. Herein, we aim to review the current literature on PPI use and develop a position paper addressing the benefits and potential harms of acid suppression with the purpose of providing evidence-based guidelines on the appropriate use of these medications. METHODS The topics, identified by a Scientific Committee, were assigned to experts selected by three Italian Scientific Societies, who independently performed a systematic search of the relevant literature using Medline/PubMed, Embase, and the Cochrane databases. Search outputs were distilled, paying more attention to systematic reviews and meta-analyses (where available) representing the best evidence. The draft prepared on each topic was circulated amongst all the members of the Scientific Committee. Each expert then provided her/his input to the writing, suggesting changes and the inclusion of new material and/or additional relevant references. The global recommendations were then thoroughly discussed in a specific meeting, refined with regard to both content and wording, and approved to obtain a summary of current evidence. RESULTS Twenty-five years after their introduction into clinical practice, PPIs remain the mainstay of the treatment of acid-related diseases, where their use in gastroesophageal reflux disease, eosinophilic esophagitis, Helicobacter pylori infection, peptic ulcer disease and bleeding as well as, and Zollinger-Ellison syndrome is appropriate. Prevention of gastroduodenal mucosal lesions (and symptoms) in patients taking non-steroidal anti-inflammatory drugs (NSAIDs) or antiplatelet therapies and carrying gastrointestinal risk factors also represents an appropriate indication. On the contrary, steroid use does not need any gastroprotection, unless combined with NSAID therapy. In dyspeptic patients with persisting symptoms, despite successful H. pylori eradication, short-term PPI treatment could be attempted. Finally, addition of PPIs to pancreatic enzyme replacement therapy in patients with refractory steatorrhea may be worthwhile. CONCLUSIONS Overall, PPIs are irreplaceable drugs in the management of acid-related diseases. However, PPI treatment, as any kind of drug therapy, is not without risk of adverse effects. The overall benefits of therapy and improvement in quality of life significantly outweigh potential harms in most patients, but those without clear clinical indication are only exposed to the risks of PPI prescription. Adhering with evidence-based guidelines represents the only rational approach to effective and safe PPI therapy. Please see related Commentary: doi: 10.1186/s12916-016-0724-1 .
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Affiliation(s)
- Carmelo Scarpignato
- Clinical Pharmacology & Digestive Pathophysiology Unit, Department of Clinical & Experimental Medicine, University of Parma, Maggiore University Hospital, Cattani Pavillon, I-43125, Parma, Italy.
| | - Luigi Gatta
- Clinical Pharmacology & Digestive Pathophysiology Unit, Department of Clinical & Experimental Medicine, University of Parma, Maggiore University Hospital, Cattani Pavillon, I-43125, Parma, Italy
- Gastroenterology & Endoscopy Unit, Versilia Hospital, Azienda USL Toscana Nord Ovest, Lido di Camaiore, Italy
| | - Angelo Zullo
- Division of Gastroenterology & Digestive Endoscopy, Nuovo Regina Elena Hospital, Rome, Italy
| | - Corrado Blandizzi
- Division of Pharmacology, Department of Clinical & Experimental Medicine, University of Pisa, Pisa, Italy
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Wright MR, Sharda R, Vaezi MF. Unmet needs in treating laryngo-pharyngeal reflux disease: where do we go from here? Expert Rev Gastroenterol Hepatol 2016; 10:995-1004. [PMID: 27137439 DOI: 10.1080/17474124.2016.1179576] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
INTRODUCTION Many patients experience ear, nose and throat symptoms associated with their gastroesophageal reflux disease. These symptoms are purportedly caused by reflux of gastroduodenal contents into the larynx, which leads to laryngopharyngeal reflux (LPR). Various modalities are used to diagnose LPR, including ambulatory pH monitoring, laryngoscopy, and esophagogastroduodenoscopy, as well as a few new emerging diagnostic tests. However, there are still no established diagnostic criteria or gold standard methodologies that can reliably distinguish LPR from other conditions. AREAS COVERED In this review, we will evaluate currently available diagnostic tests and therapeutic options for patients with laryngeal signs and symptoms of reflux and briefly discuss the development and emergence of new treatments. Numerous studies have investigated the role of proton pump inhibitor therapy in this patient population, but have led to disparate and often inconsistent results. Expert commentary: While a subgroup of patients with LPR appears to respond to PPI therapy, many patients show no symptomatic improvement, particularly with respect to extraesophageal symptoms. As such, there is a vital need to explore alternative treatment options, including anti-reflux surgery, lifestyle changes, and other classes of medications to better address LPR.
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Affiliation(s)
- Meera R Wright
- a Department of Internal Medicine , Vanderbilt University Medical Center , Nashville , TN , USA
| | - Rohit Sharda
- b Division of Gastroenterology, Hepatology and Nutrition , Vanderbilt University Medical Center , Nashville , TN , USA
| | - Michael F Vaezi
- b Division of Gastroenterology, Hepatology and Nutrition , Vanderbilt University Medical Center , Nashville , TN , USA
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Ling ZQ, Mukaisho KI, Hidaka M, Chen KH, Yamamoto G, Hattori T. Duodenal Contents Reflux-Induced Laryngitis in Rats: Possible Mechanism of Enhancement of the Causative Factors in Laryngeal Carcinogenesis. Ann Otol Rhinol Laryngol 2016; 116:471-8. [PMID: 17672251 DOI: 10.1177/000348940711600613] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Objectives: The main factors considered responsible for the onset of laryngeal cancer are tobacco smoking and alcohol abuse. Recently, gastroesophageal reflux has also been implicated as a causative factor in several laryngeal disorders, including laryngeal cancer. However, the significance of gastroesophageal reflux in laryngeal cancer is controversial. Methods: We investigated the histologic features of the esophagus and larynx in a rat model of reflux of the duodenal contents. Cell proliferation was also evaluated in laryngeal samples by detection of Ki67 antigen. Results: In this reflux model, laryngitis with infiltration of inflammatory cells and proliferation of small mucous glands was evident from 10 weeks after operation, and basal cell hyperplasia around the epiglottis and hyperplastic changes in the larynx were detected at 30 weeks. No dysplastic or malignant lesions were detected in the laryngeal samples within the duration of the experiment, in spite of detection of malignancy in 31.3% of lesions in esophageal samples at 30 weeks. The Ki67 index at each week was significantly higher than that of the control animals. Conclusions: Previous studies have shown smoking and alcohol abuse to have refluxogenic effects. Reflux of duodenal contents causes laryngitis. Reflux does not appear to be an independent risk factor for laryngeal carcinogenesis, but it may enhance the acknowledged etiologic risk factors, namely, smoking and alcohol abuse, by promoting cell proliferation.
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Affiliation(s)
- Zhi-Qiang Ling
- Department of Pathology, Shiga University of Medical Science, Seta-tsukinowa-cho, Ohtsu, Shiga 520-2192, Japan
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Fasunla AJ, Ogundoyin OA, Onakoya PA, Nwaorgu OG. Malignant tumors of the larynx: Clinicopathologic profile and implication for late disease presentation. Niger Med J 2016; 57:280-285. [PMID: 27833247 PMCID: PMC5036299 DOI: 10.4103/0300-1652.190596] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background: Malignant laryngeal tumors are uncommon. Late presentation of the disease may worsen management outcomes. We described the epidemiologic, clinicopathologic profile, and management outcomes of laryngeal tumors in a tertiary health institution in Nigeria. Materials and Methods: An 11-year retrospective review of medical records of patients managed for malignant laryngeal tumor at the University College Hospital, Ibadan, Nigeria, was performed. Results: There were 97 patients comprising 74 (76.3%) males and 23 (23.7%) females with a mean age of 60.48 ± 12.15 years. The mean duration of illness was 7.3 ± 3.8 months. History of cigarette smoking and alcohol consumption was in 2.1% and 14.4% patients, respectively. The most common clinical presentations were hoarseness, cough, and dyspnea. Transglottis (91.8%) was the most common anatomic tumor location and 92.8% patients presented in advanced disease stage. Four histologic types were identified with squamous cell carcinoma accounting for 96.9%. About 92% patients had emergency tracheostomy and 56 (57.7%) patients had total laryngectomy. The postoperative complications were pharyngocutaneous fistula (5.2%) and peristomal recurrence (3.1%). The 5-year survival rate was 52.5%. Conclusions: Malignant laryngeal tumors are uncommon, but more females are getting the disease. Squamous cell carcinoma is the most common histologic variant. Late stage disease presentation and initial wrong diagnosis contributed to the poor management outcome.
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Affiliation(s)
- Ayotunde James Fasunla
- Department of Otorhinolaryngology, College of Medicine, University of Ibadan, University College Hospital, Ibadan, Nigeria
| | - Oluwole Agboola Ogundoyin
- Department of Otorhinolaryngology, College of Medicine, University of Ibadan, University College Hospital, Ibadan, Nigeria
| | - Paul Adekunle Onakoya
- Department of Otorhinolaryngology, College of Medicine, University of Ibadan, University College Hospital, Ibadan, Nigeria
| | - Onyekwere George Nwaorgu
- Department of Otorhinolaryngology, College of Medicine, University of Ibadan, University College Hospital, Ibadan, Nigeria
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Francis DO, Vaezi MF. Should the Reflex Be Reflux? Throat Symptoms and Alternative Explanations. Clin Gastroenterol Hepatol 2015; 13:1560-6. [PMID: 25264272 DOI: 10.1016/j.cgh.2014.08.044] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 08/23/2014] [Indexed: 02/07/2023]
Abstract
Although laryngopharyngeal reflux, also known as extraesophageal reflux (EER), was codified more than 25 years ago, it has not been characterized fully. There is no sensitive and specific diagnostic test, and its symptoms often are nonspecific and overlap with those of other conditions commonly seen in primary care and specialist practices. Otolaryngologists have an important role in the evaluation and management of these patients--they must investigate persistent reflux-attributed symptoms by direct visualization of the upper airway and larynx, and, in some circumstances, the esophagus. It is of utmost importance to rule out the possibility of malignancy, which often presents with symptoms similar to those of EER. Once cancer is excluded, many benign upper airway conditions also can masquerade as, and often incorrectly are attributed to, EER. Although reflux is a potential etiologic factor for upper-airway symptoms, it is important not to reflexively blame reflux. We discuss other etiologies that should be considered carefully for persistent symptoms.
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Affiliation(s)
- David O Francis
- Vanderbilt Voice Center, Department of Otolaryngology, Bill Wilkerson Center, Center for Surgical Quality and Outcomes Research, Institute for Medicine and Public Health, Nashville, Tennessee.
| | - Michael F Vaezi
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
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LeBlanc B, Lewis E, Caldito G, Nathan CAO. Increased Pharyngeal Reflux in Patients Treated for Laryngeal Cancer. Otolaryngol Head Neck Surg 2015; 153:791-4. [DOI: 10.1177/0194599815601026] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 07/27/2015] [Indexed: 01/30/2023]
Abstract
Objective Laryngopharyngeal reflux may cause significant morbidity in the head and neck cancer population. The goal was to determine if pharyngeal reflux is increased as a result of treatment for laryngeal cancer. Study Design A prospective clinical trial. Setting Tertiary care center. Subjects Head and neck cancer patients treated at LSU Health–Shreveport with a plan for total laryngectomy. Methods Pharyngeal pH probes with resultant reflux scores were utilized in patients with laryngeal/pharyngeal cancer with a plan for total laryngectomy. Results Twenty-four patients were enrolled, of whom 10 underwent postlaryngectomy pH probe monitoring. The mean upright Ryan score for patients with prior radiotherapy was 238.4 (n = 8), compared with 22.0 (n = 16) in those without prior radiotherapy ( P = .02). The supine score was 12.7 in the radiotherapy group and 2.7 in those without radiotherapy ( P = .12). For those who completed the postlaryngectomy pH study (n = 10), the mean preoperative upright Ryan score was 106.32 ± 279.1 versus a postoperative score of 209.0 ± 352.6 ( P = .04). The mean supine preoperative Ryan score in this group was 3.9 ± 3.47, as opposed to 8.1 ± 9.6 postoperatively ( P = .13) Conclusions This study suggests that treatment of laryngeal cancer may increase the incidence of pharyngeal reflux. Consider screening for reflux in patients previously treated for laryngeal cancer.
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Affiliation(s)
- Blake LeBlanc
- Department of Otolaryngology–Head and Neck Surgery, LSU Health–Shreveport, Shreveport, Louisiana, USA
| | - Ellen Lewis
- Department of Otolaryngology–Head and Neck Surgery, LSU Health–Shreveport, Shreveport, Louisiana, USA
| | - Gloria Caldito
- Department of Biometry, LSU Health–Shreveport, and Feist-Weiller Cancer Center, Shreveport, Louisiana, USA
| | - Cherie-Ann O. Nathan
- Department of Otolaryngology–Head and Neck Surgery, LSU Health–Shreveport, Shreveport, Louisiana, USA
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Belafsky PC, Peake J, Smiley-Jewell SM, Verma SP, Dworkin-Valenti J, Pinkerton KE. Soot and house dust mite allergen cause eosinophilic laryngitis in an animal model. Laryngoscope 2015. [DOI: 10.1002/lary.25467] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | - Janice Peake
- Center for Health and the Environment, University of California Davis; Davis
| | - Suzette M. Smiley-Jewell
- Department of Otolaryngology; UC Davis Health System; Sacramento
- Center for Health and the Environment, University of California Davis; Davis
| | - Sunil P. Verma
- Department of Otolaryngology; University of California Irvine; Irvine California
| | | | - Kent E. Pinkerton
- Center for Health and the Environment, University of California Davis; Davis
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Kelly EA, Samuels TL, Johnston N. Chronic pepsin exposure promotes anchorage-independent growth and migration of a hypopharyngeal squamous cell line. Otolaryngol Head Neck Surg 2014; 150:618-24. [PMID: 24376122 PMCID: PMC4423599 DOI: 10.1177/0194599813517862] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Accepted: 12/03/2013] [Indexed: 12/31/2022]
Abstract
OUTCOME OBJECTIVES (1) Investigate the role of reflux, specifically pepsin, in laryngopharyngeal carcinogenesis. (2) Evaluate effects of chronic pepsin exposure on cell migration, apoptosis, and colony-forming ability in hypopharyngeal cells. STUDY DESIGN Translation research. SETTING Academic research laboratory. METHODS Human hypopharyngeal squamous carcinoma FaDu cells were chronically exposed to nonacidic pepsin (exposed for 24 hours, 4 times over 2 weeks at the following concentrations: 0.01 mg/mL, 0.1 mg/mL, or 1 mg/mL). Precise wounds were created in confluent cell plates, and rates of cell migration into wounds were quantified. Separately, cell viability of chronic pepsin-exposed FaDu cells acutely treated with paclitaxel was measured. Finally, a clonogenic assay was performed on these cells to measure effects of chronic pepsin exposure on colony-forming ability. RESULTS An increased rate of relative wound density was observed in chronic pepsin-treated (0.01 mg/mL, 0.1 mg/mL) cells compared with control (P < .001), suggesting greater rates of cell migration. Pepsin-treated (0.1 mg/mL) cells demonstrated on average greater cell viability compared with control after exposure to paclitaxel, suggesting possible apoptotic resistance; however, this was not statistically significant. Chronic pepsin exposure (0.1 mg/mL, 1 mg/mL) was associated with a dose-dependent increase in colony-forming ability relative to control (P < .001). CONCLUSION Hypopharyngeal squamous cell line chronically exposed to pepsin demonstrated increased cell migration and colony-forming ability relative to control cells. These experiments indicate that chronic pepsin exposure acts as a promoter of tumorigenesis and metastasis of airway epithelium, suggesting a role for pepsin in laryngopharyngeal carcinogenesis attributed to gastric reflux.
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Affiliation(s)
- Elizabeth A Kelly
- Department of Otolaryngology and Communication Sciences, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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Stephenson KA, Fagan JJ. Effect of perioperative proton pump inhibitors on the incidence of pharyngocutaneous fistula after total laryngectomy: A prospective randomized controlled trial. Head Neck 2014; 37:255-9. [DOI: 10.1002/hed.23591] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2013] [Indexed: 12/30/2022] Open
Affiliation(s)
- Kate A. Stephenson
- Division of Otorhinolaryngology; University of Cape Town, Groote Schuur Hospital; Cape Town South Africa
| | - Johannes J. Fagan
- Division of Otorhinolaryngology; University of Cape Town, Groote Schuur Hospital; Cape Town South Africa
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Analysis of failure following transoral laser surgery for early glottic cancer. Eur Arch Otorhinolaryngol 2014; 271:2247-51. [DOI: 10.1007/s00405-014-2964-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Accepted: 02/18/2014] [Indexed: 10/25/2022]
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Abstract
Gastroesophageal reflux disease is increasingly associated with ear, nose, and throat symptoms, including laryngitis. Many patients are unaware of the gastroesophageal etiology of their symptoms. A variety of criteria are used to diagnose this condition, including laryngoscopy, esophagogastroduodenoscopy, and the use of ambulatory pH and impedance monitoring. However, no test serves as the gold standard for the diagnosis given their lack of sensitivity and specificity for reflux disease. Numerous trials have assessed the role of proton pump inhibitor therapy in patients with laryngopharyngeal reflux and most have revealed no benefit to acid suppression over placebo. Despite many uncertainties there has been some progress regarding the role of acid-suppressive therapy as well as other agents in this unique group of patients. In this review we explore therapeutic options and their rationale for patients with laryngeal signs and symptoms.
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de Monès E, Vergez S, Barry B, Righini C, Rolland F, Raoul G, Langeard M, Chassagne JF, Badoual C, Morinière S, de Raucourt D. Initial staging for squamous cell carcinoma of the mouth, larynx and pharynx (except nasopharynx). Part 3: general assessment. 2012 SFORL recommendations. Eur Ann Otorhinolaryngol Head Neck Dis 2013; 130:165-72. [PMID: 23332168 DOI: 10.1016/j.anorl.2012.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2012] [Revised: 09/13/2012] [Accepted: 09/19/2012] [Indexed: 10/27/2022]
Abstract
OBJECTIVES The French Society of Otorhinolaryngology (SFORL) set up a work group to draw up guidelines for initial staging of head and neck squamous cell carcinoma. Locoregional and remote extension assessment are dealt with in two separate reports. The present part 3 deals with the assessment of frequent associated symptoms and pathologies, requiring early treatment and the collection of data on a certain number of clinical and paraclinical parameters for therapeutic decision-making in the multidisciplinary team meeting. MATERIALS AND METHODS A multidisciplinary critical analysis of the literature was conducted. General assessment here covers screening, assessment and initial management of the following: usual risk factors (smoking, alcohol, HPV), the most frequent medical comorbidities, nutritional status, social and psychological status, dental status, pain and possible anemia. As oncologic management frequently associates surgery, radiation therapy and chemotherapy, the underlying examinations should be early, as part of initial staging. The levels of evidence for the examinations were estimated so as to grade guidelines, failing which expert consensuses were established. RESULTS The high rates of pain, malnutrition and anemia call for systematic screening and early management, especially as rapidly effective treatments exist. Assessing comorbidity and social and psychological status enables general health status to be assessed, along with possible contraindications to the usual treatments. Tracheal intubation problems may require intubation under flexible endoscopy or jet-ventilation by inter-cricothyroid catheterization from the diagnostic endoscopy stage. Assessment and adapted dental care should be conducted if radiation therapy is likely or certain. CONCLUSION Early management of symptoms and comorbidity and anticipation of subsequent treatment are intended to shorten initial staging time and to collate the data needed for therapeutic decision-making. This assessment should be performed at the same time as the locoregional and remote extension assessment, and is obviously to be adapted according to tumoral extension stage and the possible treatment options.
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Affiliation(s)
- E de Monès
- Service d'ORL et de Chirurgie Cervico-Faciale, Centre François-Xavier-Michelet, Groupe Hospitalier Pellegrin, CHU, place Amélie-Raba-Léon, 33076 Bordeaux cedex, France.
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Altman KW, Prufer N, Vaezi MF. A review of clinical practice guidelines for reflux disease: Toward creating a clinical protocol for the otolaryngologist. Laryngoscope 2011; 121:717-23. [DOI: 10.1002/lary.21429] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2010] [Accepted: 11/03/2010] [Indexed: 12/14/2022]
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Abstract
Early detection of upper aerodigestive tract cancer improves prognosis. The primary care physician plays an important role in early detection of these cancers. Most upper aerodigestive tract cancers are squamous cell carcinomas that are linked to tobacco, alcohol, or human papillomavirus exposure. These cancers produce nonspecific symptoms; thus, any persistent oral cavity lesion or neck mass or other unexplainable ear, nose, and throat symptoms should prompt an evaluation for malignancy. Although overall survival has not improved, nonsurgical treatment approaches have led to higher rates of organ preservation and rehabilitation after treatment has improved the quality of life of survivors.
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Affiliation(s)
- Emily Crozier
- Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center at Dallas, 5323 Harry Hines Boulevard, Dallas, TX 75390-9035, USA
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Abstract
PURPOSE OF REVIEW Laryngopharyngeal reflux is a widely recognized disorder. Yet, decades after its initial description, debate persists regarding pathophysiology, diagnosis, and treatment. This review addresses current literature on laryngopharyngeal reflux and identifies areas of controversy and future opportunities for research. RECENT FINDINGS Despite numerous research efforts, the diagnosis and treatment of laryngopharyngeal reflux remain elusive and unproven. Acid-induced changes in laryngopharyngeal mucosa have been confirmed by histologic evidence. However, the implications of this for laryngeal symptoms and signs are unclear. Diagnosis remains controversial, confounded by lack of standardization and accepted, evidence-based norms. Whereas treatment is generally believed by clinicians to be effective in alleviating symptoms and signs attributed to laryngopharyngeal reflux, incontrovertible data confirming efficacy are scarce. Confounding the issues further, there are numerous studies that purport to show that various widely used treatments are not effective, although the scientific merit of virtually all of these studies has been challenged. SUMMARY Laryngopharyngeal reflux remains a controversial diagnosis. Treatment with proton pump inhibitors persists despite weak evidence supporting or refuting their utility, and well designed studies are needed to understand diagnosis, treatment, pathyophysiology, and long-term health consequences of laryngopharyngeal reflux and its treatment.
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Shvero J, Shvili I, Mizrachi A, Shpitzer T, Nageris B, Koren R, Hadar T. T1 glottic carcinoma involving the posterior commissure. Laryngoscope 2009; 119:1116-9. [DOI: 10.1002/lary.20138] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kahrilas PJ, Shaheen NJ, Vaezi MF. American Gastroenterological Association Institute technical review on the management of gastroesophageal reflux disease. Gastroenterology 2008; 135:1392-1413, 1413.e1-5. [PMID: 18801365 DOI: 10.1053/j.gastro.2008.08.044] [Citation(s) in RCA: 245] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Peter J Kahrilas
- Department of Medicine, Gastroenterology Division, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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Del Negro A, Araújo MR, Tincani AJ, Meirelles L, Martins AS, Andreollo NA. Experimental carcinogenesis on the oropharyngeal mucosa of rats with hydrochloric acid, sodium nitrate and pepsin. Acta Cir Bras 2008; 23:337-42. [DOI: 10.1590/s0102-86502008000400007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2008] [Accepted: 03/17/2008] [Indexed: 11/22/2022] Open
Abstract
PURPOSE: To investigate the carcinogenic action of hydrochloric acid, pepsin and sodium nitrate on the oropharyngeal mucosa of rats, simulating the reflux of gastric contents. METHODS: Eighty-two Wistar rats were divided in seven groups and submitted to 2 or 3 weekly applications of hydrochloric acid, pepsin and sodium nitrate on the pharyngeal mucosa during six months. Study groups comprised 12 animals each. Rats in groups I and II were submitted to 2 (GI) or 3 (GII) weekly applications of 0.1N hydrochloric acid. Groups III and IV were submitted to 2 (GIII) or 3 (GIV) weekly applications of 0.1N hydrochloric acid solution with pepsin. Groups V and VI were submitted to 2 (GV) or 3 (GVI) weekly applications of 0.1N hydrochloric acid and treated with daily nitrate diluted in water. Group VII consisted of 10 animals submitted to 2 weekly applications of filtered water. RESULTS: No dysplasia, intra-epithelial neoplasia or invasive carcinomas were detected. Inflammatory changes were observed in varying degrees and mast cells were more common in Groups V and VI (p=0.006). CONCLUSION: The data of the current study could not corroborate the hypothesis that gastroesophageal and pharyngolaryngeal refluxes are carcinogenic factors to the laryngopharyngeal mucosa, and more studies are necessary in the future.
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Abstract
Gastroesophageal reflux (GER) has been associated with a variety of supraesophageal symptoms or diseases, including chronic cough, laryngeal disorders, rhinosinusitis, otitis media, and oral cavity lesions. In this article, we review the relationship between GER and ear, nose, and throat (ENT) symptoms. Data in the published literature are frequently conflicting. Only a few studies are controlled, and an evidence-based approach provides weak support for a causal association between GER and ENT manifestations. The GER diagnostic method should be standardized utilizing new parameters, and the definition and diagnostic accuracy of ENT pathologies also must be better specified. A firm connection remains controversial, and further randomized trials are needed.
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Sturgis EM, Cinciripini PM. Trends in head and neck cancer incidence in relation to smoking prevalence: an emerging epidemic of human papillomavirus-associated cancers? Cancer 2007; 110:1429-35. [PMID: 17724670 DOI: 10.1002/cncr.22963] [Citation(s) in RCA: 554] [Impact Index Per Article: 32.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The trends in head and neck cancer incidence and smoking prevalence are reviewed, discussing where such trends parallel but also how and why they may not. In the U.S., public health efforts at tobacco control and education have successfully reduced the prevalence of cigarette smoking, resulting in a lower incidence of head and neck cancer. Vigilance at preventing tobacco use and encouraging cessation should continue, and expanded efforts should target particular ethnic and socioeconomic groups. However, an unfortunate stagnation has been observed in oropharyngeal cancer incidence and likely reflects a rising attribution of this disease to oncogenic human papillomavirus, in particular type 16 (HPV-16). For the foreseeable future, this trend in oropharyngeal cancer incidence may continue, but with time the effects of vaccination of the adolescent and young adult female population should result in a lower viral prevalence and hopefully a reduced incidence of oropharyngeal cancer. To hasten the reduction of HPV-16 prevalence in the population, widespread vaccination of adolescent and young adult males should also be considered.
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Affiliation(s)
- Erich M Sturgis
- Department of Head and Neck Surgery, The University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030, USA.
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