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Dong L, Dong W, Zhang S, Jin Y, Jiang Y, Li Z, Li C, Yu D. Global trends and burden of age-related hearing loss: 32-year study. Arch Gerontol Geriatr 2025; 134:105847. [PMID: 40186987 DOI: 10.1016/j.archger.2025.105847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2025] [Revised: 03/13/2025] [Accepted: 03/29/2025] [Indexed: 04/07/2025]
Abstract
BACKGROUND Age-related hearing loss (ARHL) is a major cause of disability and diminished quality of life in older adults. This study uses data from the 2021 Global Burden of Disease (GBD) study to assess global ARHL. METHODS We evaluated ARHL prevalence, DALYs (Disability-Adjusted Life Years), ASPR (Age-Standardized Prevalence Rate), and ASDR (Age-Standardized DALYs Rate). Trend analysis was conducted using Estimated Annual Percentage Change (EAPC), with projections to 2050. RESULT From 1990 and 2021, global ARHL prevalence cases and DALYs increased by 109 %, reaching 1.55 billion and 44.45 million, respectively. The ASPR increased from 17,106.88 to 18,070.26, while the crude prevalence rate significantly from 13,890.66 to 19,587.14. Both ASPR and ASDR demonstrated significant age-related increases, particularly for moderate and moderately severe ARHL, with EAPC values of 1.39 and 1.49 for ASDR, respectively. Among individuals aged over 85 years, the ASPR of ARHL is expected to reach 80 %. Prevalence cases peaked in the 55-69 age group, with the highest number of cases (179.43 million) observed in the 55-59 subgroup. High-middle SDI regions and East Asia exhibited the most rapid growth. By 2050, ARHL cases are projected to reach 2.31 billion, with ASPR and ASDR expected to continue rising. CONCLUSION ARHL has increased globally over the past three decades, largely due to population aging. The burden is most severe in middle SDI regions, East Asia, and the 55-69 age group, primarily due to their substantial population bases. Addressing this escalating challenge requires enhanced public awareness, early screening initiatives, and targeted interventions.
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Affiliation(s)
- Lingkang Dong
- Department of Otolaryngology Head & Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Wenqi Dong
- Department of Otolaryngology Head & Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Shihui Zhang
- Department of Otolaryngology Head & Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Yuchen Jin
- Department of Otolaryngology Head & Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Yumeng Jiang
- Department of Otolaryngology Head & Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Zhuangzhuang Li
- Department of Otolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China.
| | - Chunyan Li
- Department of Otolaryngology Head & Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
| | - Dongzhen Yu
- Department of Otolaryngology Head & Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
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Yan JM, Zhang MZ, Yu HJ, He QQ. The association of residential greenness and ambient particulate matter with hearing impairment in Chinese middle-aged and elderly adults: a nationwide cohort study. Aging Clin Exp Res 2025; 37:114. [PMID: 40192937 PMCID: PMC11976803 DOI: 10.1007/s40520-025-03002-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2025] [Accepted: 03/04/2025] [Indexed: 04/10/2025]
Abstract
OBJECTIVE To examine the association of residential greening and atmospheric particulate matter (PM2.5, PM10) with the risk of hearing impairment in Chinese middle-aged and elderly adults. METHODS Data from the China Health and Retirement Longitudinal Study (2011 to 2018 wave) were used. The degree of greening of residential areas were quantified using the Normalized Difference Vegetation Index (NDVI) from the Moderate Resolution Imaging Spectroradiometer (MODIS). PM concentrations were obtained from the CHAP dataset. Hearing impairment was self-reported by the participants. Cox proportional hazards models were used to assess the risk of hearing impairment associated with exposure to residential green spaces and PM. Additionally, the study investigated the potential modifying and mediating role between residential greenery, PM exposure and hearing impairment. RESULTS A total of 13,585 participants aged 61.84 years (Standard deviation: 9.17) were included in this study. Over a span of 7 years, 2,527 cases of hearing impairment were reported, with an incidence rate of 18.6%. A higher degree of residential greenness was inversely associated with the risk of hearing impairment, showing a HR of 0.688 (95%CI: 0.659-0.719) for every 0.1 unit increment in NDVI. In contrast, a 10 µg/m3 elevation in PM2.5 and PM10 concentration was linked to a 67.6% (HR: 1.676; 95%CI: 1.625-1.729) and 30.4% (HR: 1.304; 95%CI: 1.284-1.324) increased risk of hearing impairment, respectively. The harmful effects of PM2.5 and PM10 were attenuated with higher levels of residential greenness. Furthermore, the mediation analysis revealed that PM2.5 and PM10 played a significant mediating role in the association between residential greenery exposure and hearing impairment, with mediation proportions of 47.91% for PM2.5 and 52.83% for PM10. CONCLUSIONS High residential greenness was associated with a reduced risk of hearing impairment, whereas exposure to PM2.5 and PM10 may increase the risk of hearing impairment. Additionally, residential greenness may modify the relationship between PM exposure and hearing impairment by reducing exposure to PM2.5 and PM10.
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Affiliation(s)
- Jia-Min Yan
- Department of Laboratory Medicine, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan, P. R. China.
| | - Min-Zhe Zhang
- School of Public Health, Wuhan University, Wuhan, China
| | - Hong-Jie Yu
- School of Public Health, Wuhan University, Wuhan, China
| | - Qi-Qiang He
- School of Public Health, Wuhan University, Wuhan, China
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan, China
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MacKinnon RC, Smith L, López Sánchez GF, Pizzol D, Allen P, Rajasingam S, Pardhan S, Soysal P, Veronese N, Butler L, Barnett Y, Oh H, Il Shin J, Koyanagi A. Association Between Unclean Cooking Fuel Use and Hearing Problems Among Adults Aged ≥ 65 Years, a Cross-Sectional Study. Health Sci Rep 2025; 8:e70717. [PMID: 40260043 PMCID: PMC12010748 DOI: 10.1002/hsr2.70717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2024] [Revised: 04/02/2025] [Accepted: 04/04/2025] [Indexed: 04/23/2025] Open
Abstract
Background and Aims Literature suggests that outdoor air pollutant exposure is associated with hearing problems, but examination of this link has not extended to any potential association between hearing ability and the use of unclean cooking fuels. The current paper investigates whether such a link exists, utilizing a large sample of older adults from low- and middle-income countries (LMICs) where such fuels are commonly used. Methods Data from the Study on global AGEing and adult health (SAGE) were analyzed. This is a nationally representative and cross-sectional data set collected for the World Health Organization for residents of South Africa, China, Ghana, India, Mexico, and Russia. A range of "unclean" cooking fuels were assessed, namely agriculture or crop, animal dung, coal or charcoal, Kerosene or paraffin, shrubs or grass, and wood. Hearing problems referred to the interviewer-rated presence of this condition. Statistical analysis was done using multivariable logistic regression. Results The present work analyzed data from 14,585 individuals aged ≥ 65 years [mean (SD) age 72.6 (11.5) years; 55.0% females]. In the overall sample and in the final adjusted model, unclean cooking fuel use was associated with a significantly increased risk of hearing problems (OR = 1.68 (95% CI = 1.22-2.30). This association was significant for females (OR = 2.36; 95% CI = 1.53-3.63) but not for males (OR = 1.20; 95% CI = 0.79-1.81). Conclusion Unclean cooking fuel use is associated with an increased risk of hearing problems among adult residents of LMICs over 65 years of age, particularly among females. Findings from this study support the development of Sustainable Development Goal 7 (United Nations), which advocates for fairer and more sustainable access to modern energy, as well as a means to prevent avoidable hearing problems.
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Affiliation(s)
- Robert C. MacKinnon
- Vision and Hearing Sciences Research CentreAnglia Ruskin UniversityCambridgeUK
| | - Lee Smith
- Centre for Health Performance and WellbeingAnglia Ruskin UniversityCambridgeUK
| | - Guillermo F. López Sánchez
- Department of Public Health Sciences, Division of Preventive Medicine and Public Health, School of MedicineUniversity of MurciaMurciaSpain
| | | | - Peter Allen
- Vision and Hearing Sciences Research CentreAnglia Ruskin UniversityCambridgeUK
| | - Saima Rajasingam
- Vision and Hearing Sciences Research CentreAnglia Ruskin UniversityCambridgeUK
| | - Shahina Pardhan
- Vision and Eye Research Institute, School of Medicine, Faculty of Health, Education, Medicine and Social CareAnglia Ruskin UniversityCambridgeUK
| | - Pinar Soysal
- Department of Geriatric Medicine, Faculty of MedicineBezmialem Vakif UniversityIstanbulTurkey
| | - Nicola Veronese
- Faculty of MedicineSaint Camillus International University of Health SciencesRomeItaly
| | - Laurie Butler
- Centre for Health Performance and WellbeingAnglia Ruskin UniversityCambridgeUK
| | - Yvonne Barnett
- Centre for Health Performance and WellbeingAnglia Ruskin UniversityCambridgeUK
| | - Hans Oh
- Suzanne Dworak Peck School of Social WorkUniversity of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Jae Il Shin
- Department of PediatricsYonsei University College of MedicineSeoulRepublic of Korea
- Severance Underwood Meta‐Research Center, Institute of Convergence ScienceYonsei UniversitySeoulRepublic of Korea
| | - Ai Koyanagi
- Research and Development UnitParc Sanitari Sant Joan de DéuBarcelonaSpain
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Masamba GR, Sokolo Gedikondele J, Longo-Mbenza B, Nganga Nkanga MS, Matanda Nzanza R, Matonda-ma-Nzuzi T, Ikanga J, Nge Okwe A, Lema Mabwaka G, Mawalala Malengele H, Nangi Mampuya C, Lumbu Malundama D. Cognitive Disorders In Acquired Sensorineural Hearing Loss, At The Ent Department Of The "Village Bondeko" Center, In Kinshasa. Neuropsychiatr Dis Treat 2025; 21:37-52. [PMID: 39802542 PMCID: PMC11724659 DOI: 10.2147/ndt.s478277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Accepted: 12/24/2024] [Indexed: 01/16/2025] Open
Abstract
Context Several data from the literature have focused on the relationship between congenital sensorineural hearing loss, as well as acquired hearing loss, and their impact on cognition and the risk of dementia. However, few studies have been conducted on this subject in countries where access to hearing rehabilitation measures is limited. Thus, the objective of the present study was to investigate the relationship between sensorineural hearing loss and cognitive disorders in a correlational approach. Methods This is a cross-sectional and analytical study conducted in the ENT department of the Center for the Disabled (visual, auditory, and mental) "Village Bondeko", from June to September 2023, involving 150 adults (≥20 years) with acquired sensorineural hearing loss; without a history of neuropsychic disorders. Sensorineural hearing loss was confirmed by tonal threshold audiometry and characterized according to WHO criteria; cognitive disorders were defined according to the MoCA scale. Results In total, 150 adults, including 78 men and 72 women, were collected in the present study. The average age was 54.11 ± 20 years, with extremes ranging from 20 to 87 years. In univariate analysis, there was a significant association (p<0.0001) between the degree of hearing loss and cognitive disorders. The analysis of variance (ANOVA) comparing the means demonstrated a very significant correlation (p ˂ 0.0001) between the decline in cognitive functions and the severity of hearing impairment. The low level of education, marital status, and cardiovascular risk factors were associated with cognitive disorders; however, no association was demonstrated between advancing age, gender, socioeconomic status, and cognitive disorders in the study population. Conclusion The present study has demonstrated the existence of an association between sensorineural hearing loss and cognitive disorders, involving a multidisciplinary and early management of sensorineural hearing loss.
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Affiliation(s)
- Grace Réjane Masamba
- Department of Specialties, Otolaryngology Department, University Clinics of Kinshasa, Faculty of Medicine, University of Kinshasa, Kinshasa, Democratic Republic of Congo
- Faculty of Medicine, Protestant University of Congo, Kinshasa, Democratic Republic of Congo
| | - Jerôme Sokolo Gedikondele
- Department of Specialties, Otolaryngology Department, University Clinics of Kinshasa, Faculty of Medicine, University of Kinshasa, Kinshasa, Democratic Republic of Congo
| | - Benjamin Longo-Mbenza
- Department of Public Health, Lomo University of Research, Kinshasa, Democratic Republic of Congo
- Cardiology Service, Cliniques Universitaires de Kinshasa, Kinshasa, Democratic Republic of Congo
- Walter Sisulu University, Mthatha, South Africa
| | | | - Richard Matanda Nzanza
- Department of Specialties, Otolaryngology Department, University Clinics of Kinshasa, Faculty of Medicine, University of Kinshasa, Kinshasa, Democratic Republic of Congo
- Faculty of Medicine, Protestant University of Congo, Kinshasa, Democratic Republic of Congo
| | - Thierry Matonda-ma-Nzuzi
- Department of psychiatry, Child psychiatry service, University of Kinshasa, Kinshasa, Democratic Republic of Congo
| | - Jean Ikanga
- Department of psychiatry, Neuropsychology service, University of Kinshasa, Kinshasa, Democratic Republic of Congo
| | - Augustin Nge Okwe
- Department of Public Health, Lomo University of Research, Kinshasa, Democratic Republic of Congo
| | - Gabriel Lema Mabwaka
- Department of Specialties, Otolaryngology Department, University Clinics of Kinshasa, Faculty of Medicine, University of Kinshasa, Kinshasa, Democratic Republic of Congo
| | - Héritier Mawalala Malengele
- Department of Public Health, Lomo University of Research, Kinshasa, Democratic Republic of Congo
- Department of Radiology and Medical Imaging, Kinshasa University Clinics, Université de Kinshasa, Kinshasa, Democratic Republic of Congo
| | - Cédrick Nangi Mampuya
- Department of Specialties, Otolaryngology Department, University Clinics of Kinshasa, Faculty of Medicine, University of Kinshasa, Kinshasa, Democratic Republic of Congo
| | - Damien Lumbu Malundama
- Department of Specialties, Otolaryngology Department, University Clinics of Kinshasa, Faculty of Medicine, University of Kinshasa, Kinshasa, Democratic Republic of Congo
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5
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Wang H, Li Y, Wang C. Concerns Regarding Hearing Loss and Cognitive Outcomes. JAMA Otolaryngol Head Neck Surg 2024; 150:837. [PMID: 39052283 DOI: 10.1001/jamaoto.2024.2174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Affiliation(s)
- Hujun Wang
- Department of Rehabilitation, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
| | - Yongzhen Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing, China
| | - Congxiao Wang
- Department of Rehabilitation, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
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Han SY, Lee SY, Suh MW, Lee JH, Park MK. Higher exposure to 1,3-butadiene is associated with more severe hearing loss. Sci Rep 2024; 14:12899. [PMID: 38839853 PMCID: PMC11153631 DOI: 10.1038/s41598-024-63757-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 05/31/2024] [Indexed: 06/07/2024] Open
Abstract
While volatile organic compounds (VOCs) impair various organs, their influence on hearing loss (HL) has not been extensively researched. We aimed to identify the association between VOCs and HL or high-frequency hearing loss (HFHL). We extracted data on age, sex, pure tone audiometry, hypertension, occupational noise exposure, and creatinine-corrected urine VOC metabolite concentrations from the eighth Korea National Health and Nutrition Survey. Among the VOC metabolites, N-acetyl-S-(benzyl)-L-cysteine (BMA, P = 0.004), N-acetyl-S-(phenyl)-L-cysteine (SPMA, P = 0.027), and N-acetyl-S-(3,4-dihydroxybutyl)-L-cysteine (DHBMA, P < 0.001) showed associations with HL. Additionally, HFHL exhibited significant associations with BMA (P = 0.005), 3- and 4-methylhippuric acid (3, 4 MHA, P = 0.049), mandelic acid (MA, P = 0.015), SPMA (P < 0.001), N-acetyl-S-(3-hydroxypropyl)-L-cysteine (3-HPMA, P < 0.001), and DHBMA (P < 0.001). After controlling other factors, DHBMA were associated with HL (P = 0.021) and HFHL (P = 0.014) and exhibited a linear association with the mean hearing level (β = 0.054, P = 0.024) and high-frequency hearing level (β = 0.045, P = 0.037). Since 1,3-butadiene may act as an ototoxic material, early screening for workers exposed to 1,3-butadiene and reducing exposure to 1,3-butadiene in everyday life may be helpful to prevent further HL.
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Affiliation(s)
- Sang-Yoon Han
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Hanyang University, Seoul, Republic of Korea
| | - Sang-Yeon Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, 101 Daehak-Ro, Jongno-gu, Seoul, Republic of Korea
- Medical Research Center, Sensory Organ Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Myung-Whan Suh
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, 101 Daehak-Ro, Jongno-gu, Seoul, Republic of Korea
- Medical Research Center, Sensory Organ Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Jun Ho Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, 101 Daehak-Ro, Jongno-gu, Seoul, Republic of Korea
- Medical Research Center, Sensory Organ Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Moo Kyun Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, 101 Daehak-Ro, Jongno-gu, Seoul, Republic of Korea.
- Medical Research Center, Sensory Organ Research Institute, Seoul National University, Seoul, Republic of Korea.
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7
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Mao XY, Zheng M, Wang JP, Kou S, Wang WH, Lin JJ, Chen RC, Sun QH, Zheng WJ. Effects of cooking with solid fuel on hearing loss in Chinese adults-Based on two cohort studies. Sci Rep 2024; 14:10763. [PMID: 38730264 PMCID: PMC11087465 DOI: 10.1038/s41598-024-61498-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 05/07/2024] [Indexed: 05/12/2024] Open
Abstract
The association between cooking fuel and hearing loss still needs more research to clarify, and two longitudinal cohort studies were explored to find if solid fuel use for cooking affected hearing in Chinese adults. The data from Chinese Health and Retirement Longitudinal Survey (CHARLS) and Chinese Longitudinal Healthy Longevity Survey (CLHLS) were analyzed. Participants (older than 18) without hearing loss at baseline and follow-up visits were included, which were divided into clean fuel and solid fuel groups. Hearing loss rate was from follow-up visits (both in year 2011) until the recent one (year 2018 in CHARLS and 2019 in CLHLS). Cox regressions were applied to examine the associations with adjustment for potential confounders. Fixed-effect meta-analysis was used to pool the results. A total of 9049 participants (average age 8.34 ± 9.12 [mean ± SD] years; 4247 [46.93%] males) were included in CHARLS cohort study and 2265 participants (average age, 78.75 ± 9.23 [mean ± SD] years; 1148 [49.32%] males) in CLHLS cohort study. There were 1518 (16.78%) participants in CHARLS cohort and 451 (19.91%) participants in CLHLS cohort who developed hearing loss. The group of using solid fuel for cooking had a higher risk of hearing loss (CHARLS: HR, 1.16; 95% CI 1.03-1.30; CLHLS: HR, 1.43; 95% CI 1.11-1.84) compared with the one of using clean fuel. Pooled hazard ratio showed the incidence of hearing loss in the solid fuel users was 1.17 (1.03, 1.29) times higher than that of clean fuel users. Hearing loss was associated with solid fuel use and older people were at higher risk. It is advised to replace solid fuel by clean fuel that may promote health equity.
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Affiliation(s)
- Xue-Yun Mao
- Zhejiang Chinese Medicine University, Hangzhou, China
| | - Miao Zheng
- Zhejiang Chinese Medicine University, Hangzhou, China
| | - Jun-Ping Wang
- Zhejiang Chinese Medicine University, Hangzhou, China
| | - Shou Kou
- Zhejiang Chinese Medicine University, Hangzhou, China
| | - Wei-Hao Wang
- Zhejiang Chinese Medicine University, Hangzhou, China
| | - Jun-Jie Lin
- Zhejiang Chinese Medicine University, Hangzhou, China
| | - Ru-Cheng Chen
- Zhejiang Chinese Medicine University, Hangzhou, China
| | - Qing-Hua Sun
- Zhejiang Chinese Medicine University, Hangzhou, China
| | - Wei-Jun Zheng
- Zhejiang Chinese Medicine University, Hangzhou, China.
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Hegelund ER, Mehta AJ, Andersen ZJ, Lim YH, Loft S, Brunekreef B, Hoek G, de Hoogh K, Mortensen LH. Air pollution and human health: a phenome-wide association study. BMJ Open 2024; 14:e081351. [PMID: 38423777 PMCID: PMC10910582 DOI: 10.1136/bmjopen-2023-081351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/19/2024] [Indexed: 03/02/2024] Open
Abstract
OBJECTIVES To explore the associations of long-term exposure to air pollution with onset of all human health conditions. DESIGN Prospective phenome-wide association study. SETTING Denmark. PARTICIPANTS All Danish residents aged ≥30 years on 1 January 2000 were included (N=3 323 612). After exclusion of individuals with missing geocoded residential addresses, 3 111 988 participants were available for the statistical analyses. MAIN OUTCOME MEASURE First registered diagnosis of every health condition according to the International Classification of Diseases, 10th revision, from 2000 to 2017. RESULTS Long-term exposure to fine particulate matter (PM2.5) and nitrogen dioxide (NO2) were both positively associated with the onset of more than 700 health conditions (ie, >80% of the registered health conditions) after correction for multiple testing, while the remaining associations were inverse or insignificant. As regards the most common health conditions, PM2.5 and NO2 were strongest positively associated with chronic obstructive pulmonary disease (PM2.5: HR 1.06 (95% CI 1.05 to 1.07) per 1 IQR increase in exposure level; NO2: 1.14 (95% CI 1.12 to 1.15)), type 2 diabetes (PM2.5: 1.06 (95% CI 1.05 to 1.06); NO2: 1.12 (95% CI 1.10 to 1.13)) and ischaemic heart disease (PM2.5: 1.05 (95% CI 1.04 to 1.05); NO2: 1.11 (95% CI 1.09 to 1.12)). Furthermore, PM2.5 and NO2 were both positively associated with so far unexplored, but highly prevalent outcomes relevant to public health, including senile cataract, hearing loss and urinary tract infection. CONCLUSIONS The findings of this study suggest that air pollution has a more extensive impact on human health than previously known. However, as this study is the first of its kind to investigate the associations of long-term exposure to air pollution with onset of all human health conditions, further research is needed to replicate the study findings.
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Affiliation(s)
| | | | | | | | | | | | - Gerard Hoek
- Utrecht University, Utrecht, the Netherlands
| | - Kees de Hoogh
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland
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Ranjdoost F, Ghaffari ME, Azimi F, Mohammadi A, Fouladi-Fard R, Fiore M. Association between air pollution and sudden sensorineural hearing loss (SSHL): A systematic review and meta-analysis. ENVIRONMENTAL RESEARCH 2023; 239:117392. [PMID: 37838197 DOI: 10.1016/j.envres.2023.117392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/23/2023] [Accepted: 10/11/2023] [Indexed: 10/16/2023]
Abstract
Recent studies have indicated that air pollution (AP) has harmful effects on hearing and ear diseases such as Sudden Sensorineural Hearing Loss (SSHL). The purpose of this study was to evaluate the impact of exposure to AP on SSHL incidence. Valid electronic databases were searched to retrieve studies published until December 1, 2022, using appropriate keywords. The result of the search was 1146 studies, and after screening according to the defined criteria, in total 8 studies were obtained. The risk of bias (ROB) in the studies and their quality were assessed. Finally, the meta-analysis with a significance level of 5% was performed. The findings revealed that the mean level of SO2, CO, NO2, and PM10 in the patient group was more than that of the control group, and p-values were 0.879, 0.144, 0.077, and 0.138, respectively. There was an indirect relation between air pollutants and SSHL, and PM2.5 showed a significant effect (p < 0.05). Given the limited research and the use of different statistical methods, more research is suggested to confirm this association and to determine the mechanisms by which AP exposure may cause SSHL.
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Affiliation(s)
- Fatemeh Ranjdoost
- Research Center for Environmental Pollutants, Department of Environmental Health Engineering, Faculty of Health, Qom University of Medical Sciences, Qom, Iran.
| | - Mohammad-Ebrahim Ghaffari
- Department of Epidemiology and Biostatistics, Faculty of Health, Qom University of Medical Sciences, Qom, Iran.
| | - Faramarz Azimi
- Environmental Health Research Center, School of Health and Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Amir Mohammadi
- Social Determinants of Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran; Department of Environmental Health Engineering, School of Public Health, Urmia University of Medical Sciences, Urmia, Iran.
| | - Reza Fouladi-Fard
- Research Center for Environmental Pollutants, Department of Environmental Health Engineering, Faculty of Health, Qom University of Medical Sciences, Qom, Iran; Environmental Health Research Center, School of Health and Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran.
| | - Maria Fiore
- Department of Medical, Surgical and Advanced Technologies "G.F. Ingrassia", University of Catania, 87-95123, Catania, Italy.
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10
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Chen X, Wang J, Zhang X, Xiao G, Luo S, Liu L, Kong W, Zhang X, Yan LL, Zhang S. Residential proximity to major roadways and hearing impairment in Chinese older adults: a population-based study. BMC Public Health 2023; 23:2462. [PMID: 38066478 PMCID: PMC10709848 DOI: 10.1186/s12889-023-17433-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 12/06/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND With rapid urban sprawl, growing people are living in the vicinity of major roadways. However, little is known about the relationship between residential proximity to major roadways and hearing impairment (HI). METHODS We derived data from the 2018 wave of the Chinese Longitudinal Healthy Longevity Survey, and included 13,775 participants aged 65 years or older. Multivariate logistic regressions were employed to examine the association between residential proximity to major roadways and HI. The effects of corresponding potentially modifiable factors were studied by three-way interaction analyses. Sensitivity analyses were performed to verify the robustness of the results. RESULTS The prevalence of HI was 38.3%. Participants living near major roadways were more likely to have a higher socioeconomic status. An exposure-response relation between residential proximity to major roadways and HI was observed (Ptrend < 0.05). Compared with individuals living > 300 m away from major roadways, the adjusted odds ratios (OR) were 1.07 (95% CI: 0.96-1.24), 1.15 (95% CI: 1.07-1.34), and 1.12 (95% CI: 1.01-1.31) for those living 101-200 m, 50-100 m, and < 50 m away from the roadways, respectively. Particularly, the association was more pronounced among individuals exposed to carbon monoxide (CO) pollution or opening windows frequently (Pinteraction < 0.05). Three-way interaction analyses confirmed that participants exposed to CO pollution and frequently leaving windows open had the highest OR of 1.73 (95% CI: 1.58-1.89). CONCLUSIONS This nation-wide cohort study suggested that residential proximity to major roadways was significantly associated with an increased exposure-response risk of HI in Chinese older adults. Exposure to CO pollution and opening windows frequently might strengthen the relations.
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Affiliation(s)
- Xingxing Chen
- School of Public Health, Wuhan University, Wuhan, China
- Global Health Research Center, Duke Kunshan University, Kunshan, China
- National Institute for Stroke and Applied Neurosciences, Auckland University of Technology, Auckland, New Zealand
| | - Jun Wang
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xian Zhang
- Global Health Research Center, Duke Kunshan University, Kunshan, China
| | - Gui Xiao
- Xiangya School of Nursing, Central South University, Changsha, China
- Department of Health Management, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Siran Luo
- Global Health Research Center, Duke Kunshan University, Kunshan, China
| | - Lei Liu
- The First People's Hospital of Kunshan, Suzhou, China
| | - Weijia Kong
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Institute of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaomin Zhang
- Department of Occupational and Environmental Health, State Key Laboratory of Environmental Health for Incubating, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Lijing L Yan
- School of Public Health, Wuhan University, Wuhan, China.
- Global Health Research Center, Duke Kunshan University, Kunshan, China.
- Duke Global Health Institute, Duke University, Durham, United States of America.
- Institute for Global Health and Management, Peking University, Beijing, China.
| | - Sulin Zhang
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Institute of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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11
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Sherratt S. Hearing Loss and Disorders: The Repercussions of Climate Change. Am J Audiol 2023; 32:793-811. [PMID: 37812783 DOI: 10.1044/2023_aja-23-00136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023] Open
Abstract
PURPOSE Climate change is considered to be the greatest threat to human health in the 21st century, and its effects are accelerating. Extensive research has clearly demonstrated its increasing impact across the continuum of health conditions. Despite this, there has been limited attention to the ramifications of climate change on hearing loss and hearing disorders. This lack of consideration is somewhat surprising as the environment itself and its changing nature have a substantial effect on hearing. METHOD Tackling climate change could be the greatest global health opportunity of the 21st century. To address this issue, this tutorial provides a general introduction to climate change and its three major elements (pollution, infectious diseases, and extreme weather events) and their effects on health. The substantial consequences of climate change for the incidence, development, and exacerbation of hearing loss and disorders are clearly described and detailed. CONCLUSIONS The challenge of responding to this very real and escalating threat to hearing requires a combination of prevention, advocacy, and education. These three roles place audiologists in the perfect position to take action on the far-reaching effects of climate change on hearing loss and disorders. To respond to this challenge and to fulfill these roles, several strategies, ranging from the individual level to the global level, are delineated for audiologists to incorporate into their practice.
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Affiliation(s)
- Sue Sherratt
- Communication Research Australia, Newcastle, New South Wales
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12
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Cheng CG, Chen YH, Chang YH, Lin HC, Chin PW, Lin YY, Yung MC, Cheng CA. Underestimated Subsequent Sensorineural Hearing Loss after Septicemia. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1897. [PMID: 38003946 PMCID: PMC10673047 DOI: 10.3390/medicina59111897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/18/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023]
Abstract
Background and Objectives: Hearing loss after septicemia has been found in mice; the long-term risk increased 50-fold in young adults in a previous study. Hearing loss after septicemia has not received much attention. The aim of this study was to assess the relationship between septicemia and subsequent hearing loss. Materials and Methods: Inpatient data were obtained from the Taiwan Insurance Database. We defined patients with sensorineural hearing loss and excluded patients under 18 years of age. Patients without hearing loss were selected as controls at a frequency of 1:5. The date of admission was defined as the date of diagnosis. Comorbidities in the 3 years preceding the date of diagnosis were retrieved retrospectively. Associations with hearing loss were established by multiple logistic regression and forward stepwise selection. Results: The odds ratio (OR) for the association between sepsis and hearing loss was 3.052 (95% CI: 1.583-5.884). Autoimmune disease (OR: 5.828 (95% CI: 1.906-17.816)), brain injury (OR: 2.264 (95% CI: 1.212-4.229)) and ischemic stroke (OR: 1.47 (95% CI: 1.087-1.988)) were associated with hearing loss. Conclusions: Our study shows that hearing loss occurred after septicemia. Apoptosis caused by sepsis and ischemia can lead to hair cell damage, leading to hearing loss. Clinicians should be aware of possible subsequent complications of septicemia and provide appropriate treatment and prevention strategies for complications.
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Affiliation(s)
- Chun-Gu Cheng
- Department of Emergency, Taoyuan Armed Forces General Hospital, Taoyuan 32549, Taiwan; (C.-G.C.)
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan
| | - Yu-Hsuan Chen
- Division of Chest Medicine, Department of Internal Medicine, Cheng Hsin General Hospital, Taipei 11220, Taiwan;
| | - Yin-Han Chang
- Department of Psychology, National Taiwan University, Taipei 10621, Taiwan
| | - Hui-Chen Lin
- School of Nursing, College of Nursing, Taipei Medical University, Taipei 11031, Taiwan;
| | - Pi-Wei Chin
- Department of Nursing, Ministry of Health and Welfare, Hua-Lien Hospital, Hualien 97061, Taiwan
| | - Yen-Yue Lin
- Department of Emergency, Taoyuan Armed Forces General Hospital, Taoyuan 32549, Taiwan; (C.-G.C.)
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan
| | - Ming-Chi Yung
- Department of Cardiovascular Surgery, Taiwan Adventist Hospital, Taipei 10540, Taiwan
| | - Chun-An Cheng
- Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan
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13
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Zhang H, Fang Q, Li M, Yang L, Lai X, Wang H, He M, Wang Z, Kong W, Zhang X. Hearing loss increases all-cause and cardiovascular mortality in middle-aged and older Chinese adults: the Dongfeng-Tongji Cohort Study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27878-2. [PMID: 37268810 DOI: 10.1007/s11356-023-27878-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 05/19/2023] [Indexed: 06/04/2023]
Abstract
We aimed to investigate the association between hearing loss and all-cause and cardiovascular disease (CVD) mortality, and whether the relationship could be modified by chronic conditions in middle-aged and older Chinese adults. We selected 18,625 participants who underwent audiometry in 2013 from the Dongfeng-Tongji Cohort conducted in China, and followed them until December 2018. Hearing loss was grouped as normal, mild, and moderate or severe by pure-tone hearing threshold at speech (0.5, 1, and 2 kHz) and high frequency (4 and 8 kHz). We applied Cox regression models to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for all-cause and CVD mortality. Among the 18,625 participants, the mean age was 64.6 (range: 36.7-93.0) years, and 56.2% were women. A total of 1185 died, with 420 CVD deaths during a mean follow-up period of 5.5 years. The adjusted HR for all-cause and CVD mortality increased gradually with the increasing hearing threshold (All p for trend < 0.05). Compared to participants with normal hearing at speech frequency, the adjusted HRs (95% CIs) of moderate or severe hearing loss were 1.42 (1.21-1.67), 1.44 (1.10-1.89), and 1.92 (1.21-3.04) for all-cause, CVD, and stroke mortality, respectively. While moderate or severe hearing loss at high frequency was only related to an increased risk of all-cause mortality (HR, 1.60; 95% CI, 1.18-2.17). The associations were generally consistent across subgroups (All p for interaction > 0.05). Additionally, individuals with a combination of moderate or severe hearing loss and occupational noise exposure, diabetes, or hypertension had higher risk of all-cause or CVD mortality, ranging from 1.45 to 2.78. In conclusion, hearing loss was independently associated with an increased risk of all-cause and CVD mortality, in a dose-response manner. Meanwhile, hearing loss and diabetes or hypertension could jointly increase the risk of all-cause and CVD mortality.
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Affiliation(s)
- Haiqing Zhang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, School of Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd., Wuhan, 430030, Hubei, China
| | - Qin Fang
- Department of Medical Affairs, Zhuhai People's Hospital (Zhuhai Hospital Affiliated With Jinan University), Zhuhai, Guangdong, China
| | - Meng Li
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, School of Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd., Wuhan, 430030, Hubei, China
| | - Liangle Yang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, School of Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd., Wuhan, 430030, Hubei, China
| | - Xuefeng Lai
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, School of Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd., Wuhan, 430030, Hubei, China
| | - Hao Wang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, School of Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd., Wuhan, 430030, Hubei, China
| | - Meian He
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, School of Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd., Wuhan, 430030, Hubei, China
| | - Zhichao Wang
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weijia Kong
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaomin Zhang
- Department of Occupational and Environmental Health, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, School of Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Rd., Wuhan, 430030, Hubei, China.
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14
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Yuan L, Li D, Tian Y, Sun Y. The association between residential greenness and hearing impairment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:51113-51124. [PMID: 36807037 DOI: 10.1007/s11356-023-25952-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 02/10/2023] [Indexed: 04/16/2023]
Abstract
Growing evidence shows that residential greenness is beneficial for various health outcomes, but the link between residential greenness and hearing impairment has not been explored. We aimed to explore the link between residential greenness and hearing impairment using baseline data from the UK Biobank. We used data from 107,516 participants between the ages of 40 and 69 years in the UK Biobank from 2006 to 2010. The normalized difference vegetation index (NDVI) was used to measure the residential greenness. We defined hearing impairment using the digital triplet test. Logistic regression models were conducted to examine the association of residential greenness with hearing impairment. Each interquartile increment in NDVI was associated with 19% lower odds of hearing impairment (odds ratio, OR 0.81; 95% confidence interval, 95% CI 0.79-0.83). Compared with participants in the first NDVI quartile, those in the second, third, and fourth NDVI quartiles had lower odds of hearing impairment (OR 0.69, 95% CI 0.65-0.73 for the second; OR 0.76, 95% CI 0.72-0.81 for the third; OR 0.68, 95% CI 0.65-0.72 for the fourth). Age and Townsend deprivation index showed moderating effects on this association. Our findings showed a negative association between residential greenness and hearing impairment, which might provide potential value for developing cost-effective greenness design and configuration interventions to reduce the risk of hearing impairment.
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Affiliation(s)
- Lanlai Yuan
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dankang Li
- Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yaohua Tian
- Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Maternal and Child Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Sun
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Institute of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China.
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15
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Liu T, Cao L, Lv P, Bai S. Associations between household solid fuel use and hearing loss in a Chinese population: A population-based prospective cohort study. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 236:113506. [PMID: 35421824 DOI: 10.1016/j.ecoenv.2022.113506] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 04/04/2022] [Accepted: 04/07/2022] [Indexed: 06/14/2023]
Abstract
Hearing loss, a common chronic condition, severely affects the quality of human life. However, the longitudinal relationships between household solid fuel use and hearing loss are unclear. To explore the associations between household solid fuel use and hearing loss in a Chinese population. There were 8835 participants enrolled in this prospective cohort study. Hearing function was assessed by asking the following self-reported question. Cox proportional hazards regression models were used to examine the relationships between baseline household solid fuel use and hearing loss incidence. After 6 (range, 2-7) years of follow-up, 1654 (18.72%) of 8835 participants developed hearing loss. This study demonstrated that increasing baseline solid fuel exposure was associated with a higher rate of poor hearing function (P for trend < 0.01). Compared with the clean fuel group (both cooking and heating), the hazard ratios (HR) (95% confidence intervals) of poor hearing function for the solid fuel group (cooking or heating) and both solid fuel groups (both cooking and heating) were 1.17 (1.01, 1.37) and 1.26 (1.09, 1.45) after adjustments, respectively. In subgroup analysis of household energy sources, the use of solid fuels for both heating (HR, 1.21; 1.07, 1.37) and cooking (HR, 1.12; 1.01, 1.26) was related to a higher incidence of poor hearing function. In subgroup analysis of place of residence, more solid fuel use was associated with a higher rate of poor hearing function in urban communities (HR, 1.39; 1.12, 1.74) but not in rural villages (HR, 1.18; 0.97, 1.45). Moreover, compared with the population that used solid fuel for cooking at both baseline and follow-up, those who switched from solid to clean fuel had a lower risk of developing poor hearing function (HR, 0.54, 0.46-0.63). This study demonstrates that household solid fuel use is closely associated with poor hearing function. Programs that educate individuals on the effects of household fuel use on hearing function should be established, especially in urban communities.
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Affiliation(s)
- Tiancong Liu
- Department of Otolaryngology Head and Neck Surgery, Shengjing Hospital of China Medical University, Shenyang, China.
| | - Limin Cao
- The Third Central Hospital of Tianjin, Tianjin, China.
| | - Peng Lv
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang 110004, China.
| | - Song Bai
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang 110004, China.
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Ogaji FM, Numbere AO, Obafemi A, Ogaji DS. Concentration of noxious gases inside and outside residential apartments across different settlements in Port Harcourt metropolis, Nigeria. TOXICOLOGY RESEARCH AND APPLICATION 2022. [DOI: 10.1177/23978473221144682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The proliferation of harmful gases is a major global problem caused by anthropogenic activities. This study hypothesized that the emission of noxious gases varies seasonally in indoor and outdoor environments. Air samples were collected from 40 georeferenced residential areas ( N = 40) in Port Harcourt using Aeroqual 500 monitor to measure six gases: CH4, CO, NH4, NO2, O3, and SO2. Samples were collected at different times, locations, and seasons. The analysis of variance (ANOVA) indicates a significant difference in concentration between gases, times, and locations at p < 0.001. But the interaction effect shows that times and seasons significantly affect noxious gas concentration compared to location. In general, the concentration of CO was the highest, while that of O3 was the lowest. The order of concentration is CO > SO2 > NO2 > CH4 > NH4 > O3. The concentrations of NO2 and SO2 were higher than the WHO limit, while CO, CH4, NH, and O3 were below the WHO limit. Furthermore, CO concentration was highest in the morning, while NO2 and SO2 concentrations were highest in the evening. For seasons, the CH4, NH4, NO2, and SO2 were higher during the dry season, while CO concentration was higher during the wet season. Pollutant levels should be regularly monitored to help provide exposure advisory to city dwellers on the impact of atmospheric pollution on their health.
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Affiliation(s)
- Folake M Ogaji
- Institute of Natural Resources, Environment and Sustainable Development, University of Port Harcourt, Choba, Nigeria
| | - Aroloye O Numbere
- Department of Animal and Environmental Biology, University of Port Harcourt, Choba, Nigeria
| | - Andrew Obafemi
- Institute of Natural Resources, Environment and Sustainable Development, University of Port Harcourt, Choba, Nigeria
| | - Daprim S Ogaji
- African Centre of Excellence for Public Health and Toxicological Research (ACE-PUTOR),University of Port Harcourt, Choba, Nigeria
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