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Rubel KE, Lubner RJ, Lopez AA, Li P, Huang LC, Sheng Q, Wu J, Wise SK, DelGaudio JM, Chandra RK, Chowdhury N, Turner JH. Inflammatory characteristics of central compartment atopic disease. Int Forum Allergy Rhinol 2023; 13:2133-2143. [PMID: 37302116 PMCID: PMC10711148 DOI: 10.1002/alr.23207] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/06/2023] [Accepted: 06/06/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND Central compartment atopic disease (CCAD) is an emerging phenotype of chronic rhinosinusitis with nasal polyposis (CRSwNP) characterized by prominent central nasal inflammatory changes. This study compares the inflammatory characteristics of CCAD relative to other phenotypes of CRSwNP. METHODS A cross-sectional analysis of data from a prospective clinical study was performed on patients with CRSwNP who were undergoing endoscopic sinus surgery (ESS). Patients with CCAD, aspirin-exacerbated respiratory disease (AERD), allergic fungal rhinosinusitis (AFRS), and non-typed CRSwNP (CRSwNP NOS) were included and mucus cytokine levels and demographic data were analyzed for each group. Chi-squared/Mann-Whitney U tests and partial least squares discriminant analysis (PLS-DA) were performed for comparison and classification. RESULTS A total of 253 patients were analyzed (CRSwNP, n = 137; AFRS, n = 50; AERD, n = 42; CCAD, n = 24). Patients with CCAD were the least likely to have comorbid asthma (p = 0.0004). The incidence of allergic rhinitis in CCAD patients did not vary significantly compared to patients with AFRS and AERD, but was higher compared to patients with CRSwNP NOS (p = 0.04). On univariate analysis, CCAD was characterized by less inflammatory burden, with reduced levels of interleukin 6 (IL-6), IL-8, interferon gamma (IFN-γ), and eotaxin relative to other groups and significantly lower type 2 cytokines (IL-5, IL-13) relative to both AERD and AFRS. These findings were supported by multivariate PLS-DA, which clustered CCAD patients into a relatively homogenous low-inflammatory cytokine profile. CONCLUSIONS CCAD has unique endotypic features compared to other patients with CRSwNP. The lower inflammatory burden may be reflective of a less severe variant of CRSwNP.
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Affiliation(s)
- Kolin E Rubel
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Rory J Lubner
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Andrea A Lopez
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Ping Li
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Li-Ching Huang
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Quanhu Sheng
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jeffanie Wu
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Sarah K Wise
- Department of Otolaryngology-Head and Neck Surgery, Emory University, Atlanta, Georgia, USA
| | - John M DelGaudio
- Department of Otolaryngology-Head and Neck Surgery, Emory University, Atlanta, Georgia, USA
| | - Rakesh K Chandra
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Naweed Chowdhury
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Justin H Turner
- Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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Dubois A, Simon F, Alanio A, Guillonnet A, Kaci R, Herman P, Lecanu JB, Verillaud B. Allergic fungal rhinosinusitis and eosinophilic mucin chronic rhinosinusitis: Differential diagnostic criteria. A two-center comparative study following STROBE methodology. Eur Ann Otorhinolaryngol Head Neck Dis 2023; 140:267-270. [PMID: 37833161 DOI: 10.1016/j.anorl.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2023]
Abstract
OBJECTIVES Allergic fungal rhinosinusitis (AFRS) and eosinophilic mucin chronic rhinosinusitis (EMRS) are two forms of chronic sinusitis distinguished by the presence (AFRS) or absence (EMRS) of fungal elements in sinus mucin. Detection of the fungal elements, however, is complex and it is difficult to say whether EMRS is in fact an entity distinct from AFRS. The aim of the present study, based on a retrospective series of AFRS and EMRS, was to identify the specific clinical and radiological elements distinguishing between the two. MATERIALS AND METHODS A 2-center retrospective observational study following STROBE guidelines included patients managed for AFRS or EMRS between 2009 and 2022. Clinical, mycological, pathologic and radiological data were collected. Type of treatment and disease progression were also analyzed. Intergroup comparison used Student's test for mean values of quantitative variables, with calculation of P-values, and Pearson's Chi2 test or Fisher's exact test for categoric variables, with calculation of relative risk and 95% confidence intervals. RESULTS The AFRS group comprised 41 patients and the EMRS group 34. Demographic data were comparable between groups. EMRS showed a higher rate of asthma (79.4 vs. 31.4%; P<0.001), more severe nasal symptomatology (rhinorrhea, P=0.01; nasal obstruction, P=0.001), and more frequent bilateral involvement (85.3 vs. 58.5%; P=0.021). AFRS showed more frequent complications (19 vs. 0%; P=0.006). Radiologically, mucin accumulation was greater in AFRS, filling the sinus in 84.2% of cases, versus 26.3% (P<0.001), with more frequent sinus wall erosion (19 vs. 5.8%; P=0.073). The recurrence rate was higher in EMRS: 38.2 vs.21.9% (P=0.087). CONCLUSION The present retrospective study found a difference in clinical and radiological presentation between AFRS and EMRS, with EMRS more resembling the presentation of severe nasal polyposis.
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Affiliation(s)
- A Dubois
- Service d'ORL et chirurgie cervico-faciale, hôpital Lariboisière, Assistance publique-Hôpitaux de Paris, Paris, France; Service d'ORL et chirurgie cervico-faciale, institut Arthur-Vernes, Paris, France
| | - F Simon
- Service d'ORL pédiatrique et chirurgie cervico-faciale, hôpital Necker-Enfants Malades, Assistance publique-Hôpitaux de Paris, Paris, France; Université Paris Cité, Paris, France
| | - A Alanio
- Université Paris Cité, Paris, France; Laboratoire de parasitologie-mycologie, groupe hospitalier Saint-Louis-Lariboisière-Fernand-Widal, Assistance publique-Hôpitaux de Paris, Paris, France; Molecular Mycology Unit, CNRS UMR2000, Institut Pasteur, Paris, France; National Reference Center for Invasive Mycoses and Antifungals, Institut Pasteur, Paris, France; IHU Imagine, Paris, France
| | - A Guillonnet
- Service de neuroradiologie diagnostique et interventionnelle, hôpital Lariboisière, Assistance publique-Hôpitaux de Paris, Paris, France
| | - R Kaci
- Service d'anatomopathologie, hôpital Lariboisière, Assistance publique-Hôpitaux de Paris, Paris, France
| | - P Herman
- Service d'ORL et chirurgie cervico-faciale, hôpital Lariboisière, Assistance publique-Hôpitaux de Paris, Paris, France; Université Paris Cité, Paris, France; Inserm U1131, Paris, France
| | - J-B Lecanu
- Service d'ORL et chirurgie cervico-faciale, institut Arthur-Vernes, Paris, France
| | - B Verillaud
- Service d'ORL et chirurgie cervico-faciale, hôpital Lariboisière, Assistance publique-Hôpitaux de Paris, Paris, France; Université Paris Cité, Paris, France; Inserm U1131, Paris, France.
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Gutierrez JA, Durrant FG, Nguyen SA, Chapurin N, Schlosser RJ, Soler ZM. Association between Social Determinants of Health and Allergic Fungal Rhinosinusitis: A Systematic Review and Meta-analysis. Otolaryngol Head Neck Surg 2023; 169:1101-1113. [PMID: 37293865 DOI: 10.1002/ohn.396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 04/17/2023] [Accepted: 05/01/2023] [Indexed: 06/10/2023]
Abstract
OBJECTIVE Some previous studies have shown an increased prevalence of allergic fungal rhinosinusitis (AFRS) among young, black patients with poor access to health care; however, results have been mixed. The purpose of this study was to investigate the relationship between social determinants of health and AFRS. DATA SOURCES PubMed, Scopus, CINAHL. REVIEW METHODS A systematic review was performed searching for articles published from date of inception to September 29, 2022. English language articles describing the relationship between social determinants of health (i.e., race, insurance status) and AFRS as compared to chronic rhinosinusitis (CRS) were selected for inclusion. A Meta-analysis of proportions with comparison (Δ) of weighted proportions was conducted. RESULTS A total of 21 articles with 1605 patients were selected for inclusion. The proportion of black patients among AFRS, chronic rhinosinusitis with nasal polyps (CRSwNP), and chronic rhinosinusitis without nasal polyps (CRSsNP) groups was 58.0% [45.3%-70.1%], 23.8% [14.1%-35.2%], and 13.0% [5.1%-24.0%], respectively. This was significantly higher among the AFRS population compared to both the CRSwNP population (Δ34.2% [28.4%-39.6%], p < .0001) and the CRSsNP population (Δ44.9% [38.4%-50.6%], p < .0001). The proportion of patients who were either uninsured or covered by Medicaid among the AFRS, CRSwNP, and CRSsNP populations was 31.5% [25.4%-38.1%], 8.6% [0.7%-23.8%], and 5.0% [0.3%-14.8%], respectively. This was significantly higher among the AFRS group than the CRSwNP group (Δ22.9% [15.3%-31.1%], p < .0001) and the CRSsNP group (Δ26.5% [19.1%-33.4%], p < .0001). CONCLUSION This study confirms that AFRS patients are more likely to be Black and either uninsured or on subsidized insurance than their CRS counterparts.
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Affiliation(s)
- Jorge A Gutierrez
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Frederick G Durrant
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Shaun A Nguyen
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Nikita Chapurin
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Rodney J Schlosser
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Zachary M Soler
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
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Nakayama T, Miyata J, Inoue N, Ueki S. Allergic fungal rhinosinusitis: What we can learn from allergic bronchopulmonary mycosis. Allergol Int 2023; 72:521-529. [PMID: 37442743 DOI: 10.1016/j.alit.2023.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 06/03/2023] [Indexed: 07/15/2023] Open
Abstract
Allergic fungal rhinosinusitis (AFRS) and allergic bronchopulmonary mycosis (ABPM) are inflammatory disorders of the respiratory tract resulting from type 1 and 3 hypersensitivity reactions against fungi. The hallmark features of both diseases are eosinophil infiltration into the airway mucosa caused by localized type 2 inflammation and concomitant viscid secretions in the airways. Eosinophilic mucin-induced compression of adjacent anatomic structures leads to bone erosion and central bronchiectasis in the upper and lower respiratory tracts, respectively. Although these diseases share common features in their pathogenesis, they also exhibit notable differences. Epidemiologic findings are diverse, with AFRS typically presenting at a younger age, exhibiting less complicated bronchial asthma, and displaying lower total immunoglobulin E levels in laboratory findings compared with ABPM. Furthermore, despite their similar pathogenesis, the rarity of sinio-bronchial allergic mycosis in both AFRS and ABPM underscores the distinctions between these two diseases. This review aims to clarify the similarities and differences in the pathogenesis of AFRS and ABPM to determine what can be learned about AFRS from ABPM, where more is known.
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Affiliation(s)
- Tsuguhisa Nakayama
- Department of Otorhinolaryngology and Head & Neck Surgery, Dokkyo Medical University, Tochigi, Japan.
| | - Jun Miyata
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Natsuki Inoue
- Department of Otorhinolaryngology, Toho University Ohashi Medical Center, Tokyo, Japan
| | - Shigeharu Ueki
- Department of General Internal Medicine and Clinical Laboratory Medicine, Akita University Graduate School of Medicine, Akita, Japan
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Chua AJ, Jafar A, Luong AU. Update on allergic fungal rhinosinusitis. Ann Allergy Asthma Immunol 2023; 131:300-306. [PMID: 36854353 DOI: 10.1016/j.anai.2023.02.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 02/27/2023]
Abstract
Allergic fungal rhinosinusitis (AFRS) is a unique clinical entity that falls under the broader umbrella of chronic rhinosinusitis with nasal polyps with type 2 inflammation. It is characterized by nasal polyposis, production of characteristic thick eosinophilic mucin, and expansile change of involved sinus cavities. The diagnosis is classically made using the Bent and Kuhn criteria. However, recent studies have indicated the lack of specificity of some major criteria. The need to fulfill all 5 criteria before diagnosing AFRS partially mitigates this but renders the criteria cumbersome to use, and highlights the need to develop more specific criteria. Our understanding of AFRS pathophysiology has advanced significantly and has helped elucidate the lack of histatins contributing to the inability to clear fungal spores, consequently leading to fungi-induced disruption of the epithelial barrier and stimulation of sinonasal epithelial cells. These trigger a cascade of type 2 inflammatory cytokines driven by both the adaptive and innate immune system. Although more research is needed, these findings could hypothetically point to a limited type 3 immune response at the sinus mucosa, resulting in a compensatory overstimulation of type 2 inflammatory processes. Treatment for AFRS remains centered on surgery and topical corticosteroids. Short courses of systemic corticosteroids may be used with caution, and fungal-specific immunotherapy and systemic antifungals are options in recalcitrant disease. Biologics show early promise, as we await data from randomized controlled trials under way. Finally, new insights into AFRS pathology provide opportunities for novel therapeutic strategies.
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Affiliation(s)
- Andy J Chua
- Department of Otorhinolaryngology-Head and Neck Surgery, Sengkang General Hospital, Singapore Health Services, Singapore
| | - Ali Jafar
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Texas Health Science Center, Houston, Texas
| | - Amber U Luong
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Texas Health Science Center, Houston, Texas; Center for Immunology and Autoimmune Diseases, Institute of Molecular Medicine, McGovern Medical School at The University of Texas Health Science Center, Houston, Texas.
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Kokoszka M, Stryjewska-Makuch G, Kantczak A, Górny D, Glück J. Allergic Fungal Rhinosinusitis in Europe: Literature Review and Own Experience. Int Arch Allergy Immunol 2023; 184:856-865. [PMID: 37536291 DOI: 10.1159/000531017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/27/2023] [Indexed: 08/05/2023] Open
Abstract
Allergic fungal rhinosinusitis (AFRS) is primary, Th2-mediated, chronic rhinosinusitis, which is diagnosed when the criteria defined by Bent and Khun are met. The disease is most common in countries located in the subtropical and tropical regions characterized by high temperatures and high levels of humidity, which favour the wider occurrence of fungi in the environment. The presence of specific IgE antibodies directed against fungal allergens, which is one of the diagnostic criteria, proves the systemic nature of the disease and allows one to distinguish AFRS from eosinophilic fungal rhinosinusitis. There is no unified treatment method for AFRS described in the literature, and relapses are common. Sinus surgery remains the treatment of choice. Oral and topical steroid therapy plays an important role in the treatment process. The effectiveness of antifungal treatment and immunotherapy is unclear. Biological treatment, the results of which are promising, has raised great hopes. The aim of this study was to reveal how often AFRS occurs in European countries, what environmental factors influence its development, and how important it is to specify its diagnostic criteria and treatment methods. We present an overview of the available literature. In addition, we share our own experience and describe two cases of AFRS diagnosed and treated at our centre.
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Affiliation(s)
- Magdalena Kokoszka
- Department of Paediatric Otolaryngology, Head and Neck Surgery, Department of Paediatric Surgery, Upper Silesian Child Health Centre, School of Medicine in Katowice, Medical University of Silesia in Katowice, Katowice, Poland
| | - Grażyna Stryjewska-Makuch
- Department of Laryngology and Laryngological Oncology, Leszek Giec Upper-Silesian Medical Centre of the Silesian Medical University, Katowice, Poland
| | - Ada Kantczak
- Department of Paediatric Otolaryngology, Head and Neck Surgery, Department of Paediatric Surgery, Upper Silesian Child Health Centre, School of Medicine in Katowice, Medical University of Silesia in Katowice, Katowice, Poland
| | - Dorota Górny
- Department of Paediatric Otolaryngology, Head and Neck Surgery, Department of Paediatric Surgery, Upper Silesian Child Health Centre, School of Medicine in Katowice, Medical University of Silesia in Katowice, Katowice, Poland
| | - Joanna Glück
- Chair and Clinical Department of Internal Diseases, Allergology and Clinical Immunology in Katowice, Medical University of Silesia, Katowice, Poland
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Park MJ, Han JY. Allergic Mucin in Allergic Fungal Rhinosinusitis. J Allergy Clin Immunol Pract 2023; 11:2574-2575. [PMID: 37330712 DOI: 10.1016/j.jaip.2023.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/28/2023] [Accepted: 06/01/2023] [Indexed: 06/19/2023]
Affiliation(s)
- Marn Joon Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Inha University Hospital, Inha University College of Medicine, Incheon, Korea.
| | - Jee-Young Han
- Department of Pathology, Inha University Hospital, Inha University College of Medicine, Incheon, Korea
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Shrivastava J, Shah K, Shah N. Chrysosporium: A rare cause of allergic fungal rhinosinusitis. INDIAN J PATHOL MICR 2023; 66:611-613. [PMID: 37530352 DOI: 10.4103/ijpm.ijpm_555_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023] Open
Abstract
Allergic fungal rhinosinusitis (AFRS) forms a significant group of patients presenting with the commonest health problem encountered in rhinology. Patients commonly present with typical symptoms of sinusitis, and the diagnosis is often made after imaging and/or intraoperatively. Infections caused by Chrysosporium species are very rare and are very rarely been reported to cause sinusitis in humans. Usually, human chrysosporial infections are mild and unmarked by symptoms. We report a rare case of allergic fungal sinusitis (AFS) caused by Chrysosporium species in a 41-year-old male with the history of diabetes mellitus.
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Affiliation(s)
- Juhi Shrivastava
- Department of Microbiology, Smt SMS Multispeciality Hospital, Ahmedabad, Gujarat, India
| | - Kinal Shah
- Department of Microbiology, Smt SMS Multispeciality Hospital, Ahmedabad, Gujarat, India
| | - Navin Shah
- Department of Microbiology, Smt SMS Multispeciality Hospital, Ahmedabad, Gujarat, India
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Bitner BF, St John MA, Kennedy DW, Kuan EC. What is appropriate management for the contralateral uninvolved side in unilateral allergic fungal rhinosinusitis? Curr Opin Otolaryngol Head Neck Surg 2023; 31:53-56. [PMID: 36730616 DOI: 10.1097/moo.0000000000000859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
PURPOSE OF REVIEW The aim of this article is to review the current literature regarding development of new or recurrent inflammation of uninvolved contralateral sinuses in unilateral allergic fungal rhinosinusitis (AFRS) and discuss management strategies. RECENT FINDINGS AFRS is a subtype of chronic rhinosinusitis with nasal polyposis (CRSwNP) that can manifest as either unilateral or bilateral disease. Particular to AFRS compared with other CRSwNP subtypes is the high propensity for recurrence. Multiple recent studies have evaluated the recurrence rate of uninvolved contralateral sinuses in unilateral AFRS and demonstrated eventual involvement of the nondiseased side. Additionally, postoperative medical therapy of the nondiseased side reduced recurrence rates overall. SUMMARY Recurrence of AFRS is high in both the ipsilateral and contralateral sinuses. Upfront bilateral medical and/or surgical treatment of patients presenting with unilateral AFRS may be considered to improve long-term inflammatory control.
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Affiliation(s)
- Benjamin F Bitner
- Department of Otolaryngology-Head and Neck Surgery, University of California Irvine Medical Center, Orange
| | - Maie A St John
- Jonsson Comprehensive Cancer Center
- Department of Head and Neck Surgery, University of California, Los Angeles Medical Center, Los Angeles, California
| | - David W Kennedy
- Department of Otorhinolaryngology-Head and Neck Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Edward C Kuan
- Department of Otolaryngology-Head and Neck Surgery, University of California Irvine Medical Center, Orange
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AlQahtani A, Alim B, Almudhaibery F, Mulafikh D, Almutairi S, Almohanna S, Alfawwaz F. The Impact of Climatic, Socioeconomic, and Geographic Factors on the Prevalence of Allergic Fungal Rhinosinusitis: A Worldwide Ecological Study. Am J Rhinol Allergy 2022; 36:423-431. [PMID: 35187957 DOI: 10.1177/19458924211069226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND The prevalence of allergic fungal rhinosinusitis (AFRS) and its associated risk factors have been an issue of debate. Some epidemiological factors have been correlated to the disease prevalence. OBJECTIVES To observe the prevalence pattern of AFRS worldwide and to investigate the effect of specific epidemiological factors on the disease prevalence. METHODS A systematic review was derived from 1983 to December 2018. Data on the prevalence of AFRS were collected from the selected studies. Relevant factors assessing each city's climate, socioeconomics and geography were used to study the association with AFRS prevalence. RESULTS 35 cities across 5 continents were investigated. The worldwide average rate of AFRS in CRS cases is 7.8% (0.2%-26.7%) in which more than half of the investigated cities (57%) had low AFRS prevalence, while the remaining cities had intermediate (11%) and high (32%) prevalence. Cities with higher temperatures were associated with a higher prevalence of AFRS (p-value 0.002), whereas cities with humid continental climate were significantly associated with a low prevalence of AFRS (p-value 0.032). Humidity and wind speed were lower in the cities with higher AFRS prevalence (p-value 0.018 and 0.008, respectively). There were no significant correlations between AFRS prevalence and economic levels, presence of water bodies, rainfall amounts, altitude, and presence of forests. CONCLUSION AFRS has a worldwide distribution pattern with varying prevalence. In this ecological study, we observed a correlation between AFRS prevalence and climatic factors (climate classification, humidity, temperature, and wind speed). Socioeconomic factors should be analyzed on an individual basis for better assessment of the relationship with disease prevalence.
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Affiliation(s)
| | - Bader Alim
- King Fahad Medical City, Riyadh, Saudi Arabia
| | | | | | | | - Saad Almohanna
- Prince Mohammed Bin Abdulaziz Hospital, Riyadh, Saudi Arabia
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