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Ryu J, Ryu YM, Jung YS, Kim SJ, Lee YJ, Lee EK, Kim SK, Kim TS, Kim TH, Lee CY, Park SY, Chung KW. Extent of thyroidectomy affects vocal and throat functions: A prospective observational study of lobectomy versus total thyroidectomy. Surgery 2013; 154:611-20. [DOI: 10.1016/j.surg.2013.03.011] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2012] [Accepted: 03/28/2013] [Indexed: 11/28/2022]
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Baijens LWJ, Koetsenruijter K, Pilz W. Diagnosis and treatment of phagophobia: a review. Dysphagia 2013; 28:260-70. [PMID: 23446813 DOI: 10.1007/s00455-013-9454-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Accepted: 01/23/2013] [Indexed: 11/28/2022]
Abstract
This narrative review summarizes published studies on diagnostic examinations and therapeutic interventions for phagophobia. The electronic databases Embase, PubMed, PsycINFO(®), and The Cochrane Library were used. The literature search was limited to publications in the English, German, French, Spanish, or Dutch language. The original articles are summarized in the present narrative review. The body of literature on phagophobia and swallowing fear remains very limited; only 12 studies were found. The present narrative review discovered heterogeneity in the definitions of phagophobia or similar syndromes. A systematic review, including a qualitative analysis, was planned but not carried out as studies were not of sufficient quality to warrant doing so. All the studies had severe methodological shortcomings. In general, the conclusions could not be compared across the studies because of the different study designs, small populations, different ways of evaluating and treating phagophobia, and complex combinations of treatments. A general conclusion is provided.
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Affiliation(s)
- Laura W J Baijens
- Department of Otorhinolaryngology, Head and Neck Surgery, Maastricht University Medical Center, Maastricht, The Netherlands.
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Kwiatek MA, Kiebles JL, Taft TH, Pandolfino JE, Bové MJ, Kahrilas PJ, Keefer L. Esophageal symptoms questionnaire for the assessment of dysphagia, globus, and reflux symptoms: initial development and validation. Dis Esophagus 2011; 24:550-9. [PMID: 21595774 DOI: 10.1111/j.1442-2050.2011.01202.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Esophageal symptoms often co-occur. A validated self-report measure encompassing multiple esophageal symptoms is necessary to determine their frequency and severity both independently and in association with each other. Such a questionnaire could streamline the diagnostic process and guide patient management. We aimed to develop an integrative measure that provides a clinical 'snapshot' of common esophageal symptoms. Internal reliability and content validity of a 38-item self-report Esophageal Symptoms Questionnaire (ESQ), measuring the frequency and severity of typical esophageal symptoms using Likert-rating scales were assessed in 211 patients presenting to gastroenterology and ENT outpatient tertiary care clinics. Reproducibility, concurrent and predictive validity were evaluated using the reduced-item ESQ. The 38-item ESQ had high internal reliability. Principal component analyses and item reduction methods identified three components, to which 30 of 38 items contributed significantly, providing 59% of total variance. The test-retest correlations were moderate-to-strong for 24 of 30 new items (r(s) ≥ 0.44, P < 0.05). The resultant subscales measuring dysphagia (ESQ-D), globus (ESQ-G), and reflux (ESQ-R) compared well against concurrent physician's 'working' diagnosis (odds ratio 1.04-1.09). The receiver operating characteristics were adequate-to-good for ESQ-D (area under the curve [AUC]= 0.87) and ESQ-G (AUC = 0.74), but poor for ESQ-R (AUC = 0.61) although it matched the content of the validated Reflux Disease Questionnaire. The brief 30-item ESQ shows good internal reliability and content validity as a summary of the extent of dysphagia, globus and reflux symptoms. As a tool measuring more than one esophageal symptom, ESQ could guide patient management by indicating which of the coexisting symptoms needs to be addressed first.
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Affiliation(s)
- M A Kwiatek
- Esophageal Disorders Research Center, Division of Gastroenterology, Department of Medicine, Northwestern University, Feinberg School of Medicine, 676 N. St. Clair Street, Chicago, Illinois, USA.
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Cathcart RA, Wilson JA. Should chronic catarrh patients seen in primary care be referred for further investigations? Int J Clin Pract 2011; 65:985-8. [PMID: 21718397 DOI: 10.1111/j.1742-1241.2011.02688.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Chronic catarrh is commonly encountered in primary care, but often presents a quandary to the clinician because the history of postnasal or pharyngeal mucus build-up is frequently at odds with the absence of physical findings. As with certain other medically mysterious syndromes, the value of often costly investigation remains unclear in both the primary and the secondary care settings. Indeed, investigation may reassure the physician more than the patient (1) and could even prove counter-productive through reinforcement of the patient's belief about the presence of significant pathology (2). AIM To establish the benefit of referral of chronic catarrh patients for specialist investigation. DESIGN A cross-sectional survey. SETTING A total of 138 patients referred to secondary care with chronic catarrh, postnasal drip or throat clearing in the north of England. METHODS Subjects completed three disease-specific symptom-scoring questionnaires (RSI, SNOT-20 and GETS). Investigations performed were saccharin clearance time, nasendoscopy, skinprick allergy testing and CT of sinuses. Results were compared with published values. RESULTS Catarrh patients scored highly on all three symptom questionnaires. Nasendoscopy was normal in 70% of patients, with the remainder demonstrating mostly simple mucus (20%), lymphoid tissue (6%) or mucopus (2%). Only 6 of the 136 patients tested had a prolonged saccharin clearance time greater than 30 min. The mean score of the 63 sinus CT scans obtained was 2.6 (normal range = 0-5). Of patients undergoing skinprick testing (n = 45), 30% reacted to one or more inhaled allergen. No rhinological investigation yielded results above that expected in the general population. CONCLUSION Chronic catarrh appears to be related more to pharyngeal symptom awareness than to pathological postnasal drip or mucus over-production. Rhinological investigations have a limited role in the management of chronic catarrh patients. The principal outcome of ENT referral is likely to be reassurance and direction towards patient self-help information.
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Affiliation(s)
- R A Cathcart
- Department of Otorhinolaryngology, Freeman Hospital, Newcastle upon Tyne, UK.
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Masterson LM, Srouji IA, Musonda P, Scott DGI. Autoimmune disease as a risk factor for globus pharyngeus: a cross-sectional epidemiological study. Clin Otolaryngol 2011; 36:24-9. [PMID: 21414150 DOI: 10.1111/j.1749-4486.2010.02243.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE To assess the prevalence and severity of globus-type symptoms in individuals who have a prior diagnosis of autoimmune disease. DESIGN Cross-sectional questionnaire. PARTICIPANTS AND SETTING One hundred and nine patients with autoimmune disease (rheumatoid arthritis, seronegative spondarthritis, connective tissue disease, systemic vasculitis) and 41 patients with non-autoimmune disease (osteoarthritis/osteoporosis) attending a rheumatology tertiary referral clinic at Norfolk & Norwich University Hospitals NHS Foundation Trust. The results from this study were compared to previous published figures in patients with globus pharyngeus (n = 105) and normal population (n = 174). MAIN OUTCOME MEASURES Glasgow Edinburgh Throat Scale questionnaire; Reflux Symptom Index; Anxiety/Depression Scale. RESULTS Patients with autoimmune disease demonstrate a significantly higher prevalence for 5/10 symptoms on the Glasgow Edinburgh Throat scale score when compared to the non-autoimmune control group (P ≤ 0.01). This significant difference increases to 9/10 symptoms when compared to published results for the normal population (P = 0.01). No significant difference was found when comparing the autoimmune and non-autoimmune control group reflux symptom index (P = 0.64) or anxiety depression scale (P = 0.71). CONCLUSION Patients with autoimmune disease have a significantly increased prevalence of globus symptoms when compared to the healthy population. A further prospective study is required to decipher the effect of pharmacotherapy as a possible causative factor.
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Affiliation(s)
- L M Masterson
- Department of Otorhinolaryngology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
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Non-voice-related throat symptoms: comparative analysis of laryngopharyngeal reflux and globus pharyngeus scales. The Journal of Laryngology & Otology 2010; 125:59-64. [DOI: 10.1017/s0022215110001866] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
AbstractBackground:This study calculated the comparability of two throat symptom assessment scales devised to evaluate either laryngopharyngeal reflux or globus.Setting:United Kingdom hospital out-patient departments.Method:A total of 334 subjects, with and without throat symptoms, completed the Reflux Symptom Index and/or the Glasgow and Edinburgh Throat Scale. The following were calculated for the resultant data: Cronbach's α coefficient, principal component analysis, Kaiser normalisation, varimax and oblimin rotation, and eigenvalues.Results:Analysis of data from the Reflux Symptom Index and the Glasgow and Edinburgh Throat Scale revealed clearly similar symptom domains regarding (1) coughing and blockage, and (2) globus or postnasal drip or throat-clearing, as did combined analysis of their amalgamated items. Both instruments had good overall internal consistency (α = 0.75 and 0.81, respectively). The ‘heartburn or reflux’ item in the Reflux Symptom Index mapped poorly to each underlying factor.Discussion:The most commonly used laryngopharyngeal reflux and globus assessment questionnaires appear to detect very similar symptom clusters. The management of throat disorders may previously have been over-reliant on the presenting pattern of throat symptoms. Our findings indicate a need to revisit the traditional clinical classification of throat symptoms.
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Abstract
Postnasal drip (PND) is a common clinical complaint, yet its physiologic basis and appropriate treatment have been inadequately addressed in the medical literature. PND may be caused by a variety of conditions involving the nose and throat. Often, the symptom is not caused by actual secretions draining from the nose into the pharynx. In many instances, no definitive cause can be identified. Empiric treatment for PND symptoms should be guided by associated symptoms that suggest either a sinonasal cause or gastroesophageal reflux. Rarely, PND may be a symptom of a serious process such as a mass lesion in the pharynx or a malignancy and thus referral to an otolaryngologist is appropriate if symptoms are persistent, unexplainable, or associated with warning signs of malignancy.
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Affiliation(s)
- Matthew W Ryan
- Department of Otolaryngology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-9035, USA.
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Bo P, Chen QM, Zhu HH, Zhang XD, Xu HR, Zhang Y, Cao YJ. Clinical observations on 46 cases of globus hystericus treated with modified Banxia Houpu decoction. J TRADIT CHIN MED 2010; 30:103-7. [PMID: 20653165 DOI: 10.1016/s0254-6272(10)60023-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To observe the therapeutic effect and mechanism of modified Banxia Houpu decoction on globus hystericus. METHODS The 95 patients with globus hystericus were randomly divided into a treatment group of 46 cases treated with modified Banxia Houpu decoction and a control group of 49 cases treated with Manyanshuning (Granula for Clearing the Throat). In addition, a normal group of 24 healthy people was set up. SCL-90 scale was adopted to observe the therapeutic effect, evaluate the psychological state of patients and build a database on combination of four diagnoses. RESULTS The effect of the modified Banxia Houpo decoction was better than that of the control group in relieving depression, anxiety and improving the psychological state (P<0.05 or P<0.01). CONCLUSION Modified Banxia Houpu decoction has definite therapeutic effect on globus hystericus. Its mechanism may be related to its function in relieving depression and anxiety and regulating the psychological state.
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Affiliation(s)
- Ping Bo
- Medical College of Yangzhou University, Yangzhou, China.
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Lyberg-Åhlander V, Rydell R, Eriksson J, Schalén L. Throat related symptoms and voice: development of an instrument for self assessment of throat-problems. BMC EAR, NOSE, AND THROAT DISORDERS 2010; 10:5. [PMID: 20507589 PMCID: PMC2891628 DOI: 10.1186/1472-6815-10-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/15/2010] [Accepted: 05/27/2010] [Indexed: 12/11/2022]
Abstract
BACKGROUND Symptoms from throat (sensation of globus; frequent throat clearing; irritated throat) are common in patients referred to voice clinics and to ENT specialists. The relation to symptoms of voice discomfort is unclear and in some cases patients do not have voice problems at all. Instruments for patients' self-reporting of symptoms, and assessment of handicap, such as the Voice Handicap Index (VHI), are in common use in voice clinics. Symptoms from throat are however only marginally covered. PURPOSE To develop and evaluate an instrument that could make the patients' estimation of symptoms from the throat possible. Further to facilitate the consideration of the relation between throat- and voice problems with the Throat subscale together with a Swedish translation of the Voice Handicap Index. Finally to try the VHI with the Throat subscale: the VHI-T, for test-retest reliability and validity. METHODS A subscale with 10 throat related items was developed for appliance with the VHI. The VHI was translated to Swedish and retranslated to English. The questionnaire was tried in two phases on a total of 23+144 patients and 12+58 voice healthy controls. The reliability was calculated with Cronbach's alpha, ICC and Pearson's correlation coefficient. The validity was estimated by independent T-test. RESULTS The difference in VHI-T scores between the patients and the voice-healthy controls was significant (p = < 0,01) and there was a good correlation of the test- retest occasions. The reliability testing of the entire questionnaire showed an alpha value of r = 0,90 and that for the Throat subscale separately a value of r = 0,87 which shows a high degree of reliability. CONCLUSIONS For the estimation of self-perceived throat and voice problems the scale on throat related problems together with the present Swedish translation of the Voice Handicap Index, (VHI) the VHI-Throat, proves to be a valid and reliable instrument. The throat subscale seems to help revealing a category of symptoms that are common in our patients. These are symptoms that have not earlier been possible to cover with the questionnaires designed for use in the voice clinic.
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Affiliation(s)
- Viveka Lyberg-Åhlander
- Department of Logopedics, Phoniatrics and Audiology, Lund University, S-221 85 Lund, Sweden
| | - Roland Rydell
- ENT-Department, Lund University Hospital, S-221 85 Lund, Sweden
| | - Jacqueline Eriksson
- Department of Logopedics, Phoniatrics and Audiology, Lund University, S-221 85 Lund, Sweden
| | - Lucyna Schalén
- ENT-Department, Lund University Hospital, S-221 85 Lund, Sweden
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61
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Bajbouj M, Becker V, Eckel F, Miehlke S, Pech O, Prinz C, Schmid RM, Meining A. Argon plasma coagulation of cervical heterotopic gastric mucosa as an alternative treatment for globus sensations. Gastroenterology 2009; 137:440-4. [PMID: 19410576 DOI: 10.1053/j.gastro.2009.04.053] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2009] [Revised: 04/11/2009] [Accepted: 04/21/2009] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS Ablation of gastric inlet patches (GIP) in the cervical esophagus by argon plasma coagulation (APC) can alleviate chronic globus sensations in the throat. We investigated the efficacy of this therapy in a randomized, controlled multicenter trial. METHODS Patients with chronic globus sensations and GIP were randomly assigned 1:1 to groups that were treated with APC or a sham procedure (controls). Patients and their referring physicians were blinded to therapy. All patients completed a standardized questionnaire about symptoms before and 3 months after the procedure. Thereafter, control patients were eligible for cross-over therapy. Long-term efficacy was assessed in all patients >or=6 months after APC. RESULTS Improvement of symptoms was reported in 9 (82%) of 11 patients who received APC, compared with 0 (0%) of 10 patients in the control group (P = .002). Nine (90%) of 10 patients treated with APC had per protocol healing, compared with 0 (0%) of 9 controls (P < .001). Scores for symptom/globus assessment significantly improved in patients in the APC group, whereas patients in the control group did not perceive any symptom relief. Eight of the 10 patients who started in the control group crossed over to the APC group. Long-term efficacy (after a median follow-up of 17 months) was documented in 13 (76%) of 17 treated patients. CONCLUSIONS Ablation of gastric inlet patches appears to be an effective therapy for alleviation of associated globus sensations. This new treatment modality might change the paradigm for treatment of these patients.
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Affiliation(s)
- Monther Bajbouj
- II Medical Clinic, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
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Karkos PD, Wilson JA. The diagnosis and management of globus pharyngeus: our perspective from the United Kingdom. Curr Opin Otolaryngol Head Neck Surg 2009; 16:521-4. [PMID: 19005323 DOI: 10.1097/moo.0b013e328316933b] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW To review recent literature on diagnostic and treatment options for globus pharyngeus. RECENT FINDINGS There are no controlled studies looking at the use of proton pump inhibitors specifically for globus. The small volume of level I evidence has failed to demonstrate superiority of proton pump inhibitors over placebo for treatment of laryngopharyngeal reflux symptoms (including globus). A recent pilot nonplacebo-controlled study has shown promising results for treating laryngopharyngeal reflux symptoms with liquid alginate suspension. The role of cognitive-behavioural therapy may hold hope for patients with refractory symptoms. A small randomized trial showed promising results for treating globus with speech therapy, but larger trials are required. There is no evidence for the use of antidepressants or anxiolytics. SUMMARY After many decades of interest, the most popular organic theory that 'a lump in the throat' is reflux related is still challenged by lack of strong evidence for empiric antacid treatment of this symptom. Globus pharyngeus is a clinical diagnosis and not a diagnosis of exclusion and overinvestigating these patients is unnecessary. Complete history and otolaryngological examination, fibreoptic laryngoscopy or transnasal oesophagoscopy with reassurance and monitoring of symptom progress with validated symptom questionnaires appear to remain the mainstay of management.
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Affiliation(s)
- Petros D Karkos
- Department of Otolaryngology, Liverpool University Hospitals, Liverpool, UK.
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The diagnosis and management of globus: a perspective from Spain. Curr Opin Otolaryngol Head Neck Surg 2008; 16:507-10. [DOI: 10.1097/moo.0b013e3283184462] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Affiliation(s)
- R Cathcart
- Department of Otolaryngology, Freeman Hospital, Newcastle upon Tyne, UK
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Galmiche JP, Clouse RE, Bálint A, Cook IJ, Kahrilas PJ, Paterson WG, Smout AJPM. Functional esophageal disorders. Gastroenterology 2006; 130:1459-65. [PMID: 16678559 DOI: 10.1053/j.gastro.2005.08.060] [Citation(s) in RCA: 359] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2005] [Accepted: 08/31/2005] [Indexed: 12/13/2022]
Abstract
Functional esophageal disorders represent processes accompanied by typical esophageal symptoms (heartburn, chest pain, dysphagia, globus) that are not explained by structural disorders, histopathology-based motor disturbances, or gastroesophageal reflux disease. Gastroesophageal reflux disease is the preferred diagnosis when reflux esophagitis or excessive esophageal acid exposure is present or when symptoms are closely related to acid reflux events or respond to antireflux therapy. A singular, well-defined pathogenetic mechanism is unavailable for any of these disorders; combinations of sensory and motor abnormalities involving both central and peripheral neural dysfunction have been invoked for some. Treatments remain empirical, although the efficacy of several interventions has been established in the case of functional chest pain. Management approaches that modulate central symptom perception or amplification often are required once local provoking factors (eg, noxious esophageal stimuli) have been eliminated. Future research directions include further determination of fundamental mechanisms responsible for symptoms, development of novel management strategies, and definition of the most cost-effective diagnostic and treatment approaches.
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Millichap F, Lee M, Pring T. A lump in the throat: Should speech and language therapists treat globus pharyngeus? Disabil Rehabil 2005; 27:124-30. [PMID: 15823994 DOI: 10.1080/09638280400007448] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
PURPOSE The causes of the feeling of a lump in the throat (globus pharyngeus) are disputed. The symptoms are persistent and may lead clients to change their diet and suffer a reduced quality of life. Coexisting swallowing difficulties are often reported but no neurological or structural abnormality can be found. Psychological factors are likely to play a part in the condition and an eclectic approach to therapy appears to be warranted. This paper reports on a treatment programme that includes education, reassurance and the use of exercises. METHOD Fourteen clients participated. Their progress was assessed using the Glasgow and Edinburgh Throat Scale (GETS). A baseline period was used to assess the stability of their symptoms prior to therapy. This was followed by a group therapy session, use of the exercises and a further reassessment. Videofluoroscopy was conducted before and after therapy. RESULTS Clients score on the GETS improved. However, change was seen both during the baseline and the treatment making it unclear which aspects of the treatment were effective. Improvement during the baseline suggests that clients benefit from attention and reassurance. It is unclear, therefore, whether the therapy session and the exercises provide a specific benefit or a general benefit due to continued attention. The clients' videofluoroscopies were unchanged after therapy. The presence of residue after the swallow in the valleculae and the pyriform sinuses may contribute to the symptoms of globus. CONCLUSION The treatment is economical and appears to benefit clients. However, further research is needed to distinguish whether it has a specific effect or whether clients benefit from general attention and reassurance.
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Affiliation(s)
- F Millichap
- Milton Keynes Primary Care Trust, Milton, Keynes, UK
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Abstract
Globus hystericus, a form of conversion disorder, is characterized by an uncomfortable sensation of a mass in the esophagus or airway. Evaluation proves no mass exists. Anxiety or psychological conflict is judged to be significantly related to the onset and progression of the sensation. The sensation may lead to difficulty swallowing or breathing and may become severe or life threatening. The disorder is poorly studied and understood. The differential diagnosis is vast. Management of the disorder is similar to that suggested for other conversion disorders. This article reviews the current literature about diagnosis, etiology, treatment, and prognosis of globus hystericus.
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Affiliation(s)
- Ryan Finkenbine
- Department of Behavioral Medicine and Psychiatry, West Virginia University School of Medicine, Morgantown, WV, USA.
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Jafari S, Prince RA, Kim DY, Paydarfar D. Sensory regulation of swallowing and airway protection: a role for the internal superior laryngeal nerve in humans. J Physiol 2003; 550:287-304. [PMID: 12754311 PMCID: PMC2343009 DOI: 10.1113/jphysiol.2003.039966] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2003] [Accepted: 04/10/2003] [Indexed: 11/08/2022] Open
Abstract
During swallowing, the airway is protected from aspiration of ingested material by brief closure of the larynx and cessation of breathing. Mechanoreceptors innervated by the internal branch of the superior laryngeal nerve (ISLN) are activated by swallowing, and connect to central neurones that generate swallowing, laryngeal closure and respiratory rhythm. This study was designed to evaluate the hypothesis that the ISLN afferent signal is necessary for normal deglutition and airway protection in humans. In 21 healthy adults, we recorded submental electromyograms, videofluoroscopic images of the upper airway, oronasal airflow and respiratory inductance plethysmography. In six subjects we also recorded pressures in the hypopharynx and upper oesophagus. We analysed swallows that followed a brief infusion (4-5 ml) of liquid barium onto the tongue, or a sip (1-18 ml) from a cup. In 16 subjects, the ISLN was anaesthetised by transcutaneous injection of bupivacaine into the paraglottic compartment. Saline injections using the identical procedure were performed in six subjects. Endoscopy was used to evaluate upper airway anatomy, to confirm ISLN anaesthesia, and to visualise vocal cord movement and laryngeal closure. Comparisons of swallowing and breathing were made within subjects (anaesthetic or saline injection vs. control, i.e. no injection) and between subjects (anaesthetic injection vs. saline injection). In the non-anaesthetised condition (saline injection, 174 swallows in six subjects; no injection, 522 swallows in 20 subjects), laryngeal penetration during swallowing was rare (1.4 %) and tracheal aspiration was never observed. During ISLN anaesthesia (16 subjects, 396 swallows), all subjects experienced effortful swallowing and an illusory globus sensation in the throat, and 15 subjects exhibited penetration of fluid into the larynx during swallowing. The incidence of laryngeal penetration in the anaesthetised condition was 43 % (P < 0.01, compared with either saline or no injection) and of these penetrations, 56 % led to tracheal aspiration (without adverse effects). We further analysed the swallow cycle to evaluate the mechanism(s) by which fluid entered the larynx. Laryngeal penetration was not caused by premature spillage of oral fluid into the hypopharynx, delayed clearance of fluid from the hypopharynx, or excessive hypopharyngeal pressure generated by swallowing. Furthermore, there was no impairment in the ability of swallowing to halt respiratory airflow during the period of pharyngeal bolus flow. Rather, our observations suggest that loss of airway protection was due to incomplete closure of the larynx during the pharyngeal phase of swallowing. In contrast to the insufficient closure during swallowing, laryngeal closure was robust during voluntary challenges with the Valsalva, Müller and cough manoeuvres under ISLN anaesthesia. We suggest that an afferent signal arising from the ISLN receptor field is necessary for normal deglutition, especially for providing feedback to central neural circuits that facilitate laryngeal closure during swallowing. The ISLN afferent signal is not essential for initiating and sequencing the swallow cycle, for co-ordinating swallowing with breathing, or for closing the larynx during voluntary manoeuvres.
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Affiliation(s)
- Samah Jafari
- Department of Neurology, University of Massachusetts Medical School, Worcester 01655, USA
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Affiliation(s)
- Paula Leslie
- School of Surgical and Reproductive Sciences, University of Newcastle, Newcastle upon Tyne NE2 4HH.
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Wallace KL, Middleton S, Cook IJ. Development and validation of a self-report symptom inventory to assess the severity of oral-pharyngeal dysphagia. Gastroenterology 2000; 118:678-87. [PMID: 10734019 DOI: 10.1016/s0016-5085(00)70137-5] [Citation(s) in RCA: 185] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
BACKGROUND & AIMS The aim of this study was to develop and evaluate the validity and reliability of a self-report inventory to measure symptomatic severity of oral-pharyngeal dysphagia. METHODS Test-retest reliability and face, content, and construct validity of a prototype visual analogue scale inventory were assessed in 45 patients who had stable, neuromyogenic dysphagia. RESULTS Normalized scores varied over time by -0.5% +/- 17.6% (95% confidence interval, -9.2% to 8.2%). Factor analysis identified a single factor (dysphagia), to which 18 of 19 questions contributed significantly, that accounted for 56% of total variance (P < 0.0001). After deletion of 2 questions with poor face validity and patient compliance, this proportion increased to 59%; mean test-retest change was -2% (95% confidence interval, -11% to 7%); and total score correlated highly with an independent global assessment severity score (r = 0.7; P < 0.0001). A mean 70% reduction in score (P < 0.0001) was observed after surgery in patients with Zenker's diverticulum (discriminant validity). CONCLUSIONS Applied to patients with neuromyogenic dysphagia, the 17-question inventory shows strong test-retest reliability over 2 weeks as well as face, content, and construct validity. Discriminant validity (responsiveness) has been demonstrated in a population with a correctable, structural cricopharyngeal disorder. Responsiveness of the instrument to treatment in neuromyogenic dysphagia remains to be quantified.
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Affiliation(s)
- K L Wallace
- Department of Gastroenterology, St. George Hospital, Sydney, Australia
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Abstract
Fifty patients with a diagnosis of globus pharyngis and 33 control patients attending the same ENT clinic were interviewed using the (Royal Holloway &) Bedford College Life Events and Difficulties Schedule (LEDS). Information was elicited concerning life events and difficulties over the 12 months before globus onset, and this was compared with the experiences of the control patients for the year before symptom onset or, where appropriate, before the interview. Globus patients had significantly more severe events than the control patients throughout the year. Moreover, globus patients had significantly fewer close confiding relationships with their partners than did controls. There is evidence, therefore, for both psychological diathesis and social stress factors in the etiology of globus pharyngis.
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Affiliation(s)
- M B Harris
- Department of Psychology, University of Edinburgh, United Kingdom
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