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Wu H, Deng W, Luo Y, Xu Y, Xiong H. Lipids and Statin Medication With Sensorineural Hearing Loss: A Mendelian Randomization Study. Laryngoscope 2024. [PMID: 38807496 DOI: 10.1002/lary.31500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 04/09/2024] [Accepted: 04/29/2024] [Indexed: 05/30/2024]
Abstract
BACKGROUND Recent insights suggest that lipids and statin medication play a role in the development of sensorineural hearing loss (SNHL), yet the exact role remains controversial. This research applied Mendelian randomization (MR) to assess whether lipids and statin medication are associated with an increased risk of SNHL. METHODS A two-sample MR was used in this study. Genetic instruments were constructed from variants associated with risk factors. Data for lipids and statin medication were obtained from the IEU OpenGWAS project, and for SNHL from the Finngen research project, which comprises 32,487 individuals with SNHL and 331,736 control individuals. RESULTS Genetically predicted higher levels of triglycerides were associated with an increased risk of SNHL. The use of genetically predicted atorvastatin was associated with a lower risk of SNHL. Rosuvastatin has demonstrated potential in treating SNHL, yet further investigations are warranted to elucidate its relationship with SNHL. Insufficient evidence was available to suggest that the genetically predicted level of high-density lipoprotein cholesterol or low-density lipoprotein cholesterol or the use of simvastatin were associated with SNHL. CONCLUSIONS The study provides genetic evidence suggesting that increased levels of triglycerides in the blood could be a risk factor for SNHL and that the use of certain statin medications, including atorvastatin and rosuvastatin, could reduce the risk of SNHL. These results align with findings from previous observational studies that have linked hyperlipidemia with the risk of SNHL. LEVEL OF EVIDENCE According to the Oxford Centre for Evidence-Based Medicine 2011 levels of Evidence, the study has a third level of Evidence Laryngoscope, 2024.
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Affiliation(s)
- Haoyang Wu
- Department of Otolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Hearing and Speech-Language Science, Sun Yat-sen University, Guangzhou, China
| | - Wenting Deng
- Department of Otolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Hearing and Speech-Language Science, Sun Yat-sen University, Guangzhou, China
| | - Yuelian Luo
- Department of Otolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Hearing and Speech-Language Science, Sun Yat-sen University, Guangzhou, China
| | - Yaodong Xu
- Department of Otolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Hearing and Speech-Language Science, Sun Yat-sen University, Guangzhou, China
| | - Hao Xiong
- Department of Otolaryngology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Institute of Hearing and Speech-Language Science, Sun Yat-sen University, Guangzhou, China
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Wu Z, Wang S, Huang X, Xie M, Han Z, Li C, Wang S, Tang Q, Yang H. Association between the atherogenic index of plasma and hearing loss based on a nationwide cross-sectional study. Lipids Health Dis 2024; 23:125. [PMID: 38685075 PMCID: PMC11057088 DOI: 10.1186/s12944-024-02119-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 04/23/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND Hearing loss (HL) is a worldwide public health issue for which the role of dyslipidemia has not been fully elucidated. This study aimed to use the atherogenic index of plasma (AIP), a well-established serum lipid marker, to investigate the association of dyslipidemia with HL among the general population. METHODS Participants (n = 3267) from the National Health and Nutrition Examination Survey database (2005-2012, 2015-2018) were included in the present study. The AIP was calculated based on the following formula: log10 (triglycerides/high-density lipoprotein cholesterol). HL was defined as a pure-tone average of at least 20 dBHL in the better ear. Weighted multivariable logistic regression, subgroup analysis, generalized additive model, and threshold analysis were adopted to reveal the association between the AIP and HL. RESULTS In this study of US adults, a positive association was found between the AIP and high-frequency HL. However, the association between the AIP and low-frequency HL was not as strong. In addition, a reverse L-shaped curve with an inflection point located at -0.27 was detected between the AIP and high-frequency HL, followed by a significant positive association after the inflection point. CONCLUSIONS The potential of the AIP as a bioindicator for high-frequency HL is noteworthy, and maintaining an AIP value below a certain threshold might provide beneficial outcomes in the management of high-frequency HL.
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Affiliation(s)
- Zhiyuan Wu
- Eight-Year Medical Doctor Program, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, P. R. China
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing, 100730, P. R. China
| | - Shu Wang
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing, 100730, P. R. China
| | - Xiaowu Huang
- Department of Otolaryngology, Shenzhen Hospital, Southern Medical University, Shenzhen, 518100, P. R. China
| | - Mengyao Xie
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing, 100730, P. R. China
| | - Zhijin Han
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing, 100730, P. R. China
| | - Chen Li
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing, 100730, P. R. China
| | - Shuyi Wang
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing, 100730, P. R. China
| | - Qi Tang
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing, 100730, P. R. China
| | - Hua Yang
- Department of Otolaryngology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, No.1 Shuaifuyuan, Dongcheng District, Beijing, 100730, P. R. China.
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Lee YY, Ha J, Kim YS, Ramani S, Sung S, Gil ES, Choo OS, Jang JH, Choung YH. Abnormal Cholesterol Metabolism and Lysosomal Dysfunction Induce Age-Related Hearing Loss by Inhibiting mTORC1-TFEB-Dependent Autophagy. Int J Mol Sci 2023; 24:17513. [PMID: 38139347 PMCID: PMC10743727 DOI: 10.3390/ijms242417513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/07/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
Cholesterol is a risk factor for age-related hearing loss (ARHL). However, the effect of cholesterol on the organ of Corti during the onset of ARHL is unclear. We established a mouse model for the ARHL group (24 months, n = 12) and a young group (6 months, n = 12). Auditory thresholds were measured in both groups using auditory brainstem response (ABR) at frequencies of 8, 16, and 32 kHz. Subsequently, mice were sacrificed and subjected to histological analyses, including transmission electron microscopy (TEM), H&E, Sudan Black B (SBB), and Filipin staining, as well as biochemical assays such as IHC, enzymatic analysis, and immunoblotting. Additionally, mRNA extracted from both young and aged cochlea underwent RNA sequencing. To identify the mechanism, in vitro studies utilizing HEI-OC1 cells were also performed. RNA sequencing showed a positive correlation with increased expression of genes related to metabolic diseases, cholesterol homeostasis, and target of rapamycin complex 1 (mTORC1) signaling in the ARHL group as compared to the younger group. In addition, ARHL tissues exhibited increased cholesterol and lipofuscin aggregates in the organ of Corti, lateral walls, and spiral ganglion neurons. Autophagic flux was inhibited by the accumulation of damaged lysosomes and autolysosomes. Subsequently, we observed a decrease in the level of transcription factor EB (TFEB) protein, which regulates lysosomal biosynthesis and autophagy, together with increased mTORC1 activity in ARHL tissues. These changes in TFEB and mTORC1 expression were observed in a cholesterol-dependent manner. Treatment of ARHL mice with atorvastatin, a cholesterol synthesis inhibitor, delayed hearing loss by reducing the cholesterol level and maintaining lysosomal function and autophagy by inhibiting mTORC1 and activating TFEB. The above findings were confirmed using stress-induced premature senescent House Ear Institute organ of Corti 1 (HEI-OC1) cells. The findings implicate cholesterol in the pathogenesis of ARHL. We propose that atorvastatin could prevent ARHL by maintaining lysosomal function and autophagy by inhibiting mTORC1 and activating TFEB during the aging process.
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Affiliation(s)
- Yun Yeong Lee
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; (Y.Y.L.); (J.H.); (Y.S.K.); (S.R.); (S.S.); (J.H.J.)
| | - Jungho Ha
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; (Y.Y.L.); (J.H.); (Y.S.K.); (S.R.); (S.S.); (J.H.J.)
- Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon 16499, Republic of Korea
| | - Young Sun Kim
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; (Y.Y.L.); (J.H.); (Y.S.K.); (S.R.); (S.S.); (J.H.J.)
| | - Sivasubramanian Ramani
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; (Y.Y.L.); (J.H.); (Y.S.K.); (S.R.); (S.S.); (J.H.J.)
| | - Siung Sung
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; (Y.Y.L.); (J.H.); (Y.S.K.); (S.R.); (S.S.); (J.H.J.)
- Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon 16499, Republic of Korea
| | - Eun Sol Gil
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; (Y.Y.L.); (J.H.); (Y.S.K.); (S.R.); (S.S.); (J.H.J.)
- Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon 16499, Republic of Korea
| | - Oak-Sung Choo
- Department of Otorhinolaryngology-Head and Neck Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Republic of Korea;
| | - Jeong Hun Jang
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; (Y.Y.L.); (J.H.); (Y.S.K.); (S.R.); (S.S.); (J.H.J.)
| | - Yun-Hoon Choung
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; (Y.Y.L.); (J.H.); (Y.S.K.); (S.R.); (S.S.); (J.H.J.)
- Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon 16499, Republic of Korea
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Song I, Kim M, Choi H, Kim JH, Lim KH, Yoon HS, Rah YC, Park E, Im GJ, Song JJ, Chae SW, Choi J. Hydrophilic and lipophilic statin use and risk of hearing loss in hyperlipidemia using a Common Data Model: multicenter cohort study. Sci Rep 2023; 13:12373. [PMID: 37524760 PMCID: PMC10390480 DOI: 10.1038/s41598-023-39316-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 07/23/2023] [Indexed: 08/02/2023] Open
Abstract
Hearing impairment, the third largest health burden worldwide, currently lacks definitive treatments or preventive drugs. This study compared the effects of hydrophilic and lipophilic statin on hearing loss using a common database model. This retrospective multicenter study was conducted in three hospitals in South Korea (Anam, Guro, Ansan). We enrolled patients with hyperlipidemia with an initial hearing loss diagnosis. Data were collected during January 1, 2022-December 31, 2021 using the Observational Health Data Science and Informatics open-source software and Common Data Model database. The primary outcome was the occurrence of first-time hearing loss following a hyperlipidemia diagnosis, as documented in the Common Data Model cohort database. The measures of interest were hearing loss risk between hydrophilic and lipophilic statin use. Variables were compared using propensity score matching, Cox proportional regression, and meta-analysis. Among 37,322 patients with hyperlipidemia, 13,751 (7669 men and 6082 women) and 23,631 (11,390 men and 12,241 women) were treated with hydrophilic and lipophilic statins, respectively. After propensity score matching, according to the Kaplan-Meier curve, hearing loss risk did not significantly differ among the hospitals. The hazard ratio (HR) of the male patients from Anam (0.29, [95% confidence interval (CI), 0.05-1.51]), Guro (HR, 0.56, [95% CI 0.18-1.71]), and Ansan (hazard ratio, 0.29, [95% CI 0.05-1.51]) hospitals were analyzed using Cox proportional regression. Overall effect size (HR, 0.40, [95% CI 0.18-0.91]) was estimated using meta-analysis, which indicated that hearing loss risk among hydrophilic statin users was less than that among lipophilic statin users and was statistically significant. Men in the hydrophilic statin group had a lower risk of hearing impairment than those in the lipophilic statin group.
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Affiliation(s)
- Insik Song
- Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea
| | - Minjin Kim
- Department of Biostatistics, Korea University College of Medicine, Seoul, Republic of Korea
- Biomedical Research Center, Korea University Ansan Hospital, Ansan, Republic of Korea
| | - Hangseok Choi
- Department of Biostatistics, Korea University College of Medicine, Seoul, Republic of Korea
- Biomedical Research Center, Korea University Ansan Hospital, Ansan, Republic of Korea
| | - Jeong Hwan Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea
| | - Kang Hyeon Lim
- Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea
| | - Hee Soo Yoon
- Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea
| | - Yoon Chan Rah
- Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea
| | - Euyhyun Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Gi Jung Im
- Department of Otorhinolaryngology-Head and Neck Surgery, Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Jae-Jun Song
- Department of Otorhinolaryngology-Head and Neck Surgery, Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Sung-Won Chae
- Department of Otorhinolaryngology-Head and Neck Surgery, Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - June Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Ansan Hospital, Korea University College of Medicine, Ansan, Republic of Korea.
- Department of Medical Informatics, Korea University College of Medicine, Seoul, Republic of Korea.
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Dillard LK, Nelson-Bakkum E, Schultz A, Merten N, Malecki K. Associations of Dietary Intake With Self-Reported Hearing Loss: Findings From the Survey of the Health of Wisconsin. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2023:1-12. [PMID: 37263020 DOI: 10.1044/2023_jslhr-22-00473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
PURPOSE The purpose of this study was to evaluate associations of dietary intake components with hearing loss. METHOD Participants were from the population-based Survey of the Health of Wisconsin. The Block food frequency questionnaire measured dietary intake of carbohydrates, fiber, protein, free (added) sugars, fruits, vegetables, saturated and trans fats, and glycemic index. Intake was categorized into quintiles (Q). Hearing loss was self-reported. Logistic regression models were used to evaluate associations of dietary determinants with hearing loss. Results are presented as odds ratios (ORs) with corresponding 95% confidence intervals (95% CIs). Final models were adjusted for age, sex, total energy intake, race/ethnicity, education, smoking, and regular physical activity. RESULTS There were 2,839 participants (56% women; Mage = 48.2 [SD = 14.5] years) included. Higher consumption of trans fat (Q5: OR = 1.83, 95% CI [1.27, 2.64]) and higher glycemic index (Q5: OR = 1.34, 95% CI [1.00, 1.80]) were associated with increased odds of hearing loss. Hearing loss was associated with fruit, saturated- and trans-fat intake in women, and trans-fat intake and glycemic index in men. CONCLUSIONS Dietary intake was associated with self-reported hearing loss. Research on mechanistic pathways of associations and public health interventions to prevent hearing loss is needed.
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Affiliation(s)
- Lauren K Dillard
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison
- Department of Otolaryngology-Head & Neck Surgery, Medical University of South Carolina, Charleston
| | - Erin Nelson-Bakkum
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison
| | - Amy Schultz
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison
| | - Natascha Merten
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison
- Division of Geriatrics, Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison
- Wisconsin Alzheimer's Disease Research Center, School of Medicine and Public Health, University of Wisconsin-Madison
| | - Kristen Malecki
- Division of Environmental and Occupational Health Sciences, School of Public Health, University of Illinois Chicago
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Baiduc RR, Sun JW, Berry CM, Anderson M, Vance EA. Relationship of cardiovascular disease risk and hearing loss in a clinical population. Sci Rep 2023; 13:1642. [PMID: 36717643 PMCID: PMC9886989 DOI: 10.1038/s41598-023-28599-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 01/20/2023] [Indexed: 02/01/2023] Open
Abstract
Hearing loss has been associated with individual cardiovascular disease (CVD) risk factors and, to a lesser extent, CVD risk metrics. However, these relationships are understudied in clinical populations. We conducted a retrospective study of electronic health records to evaluate the relationship between hearing loss and CVD risk burden. Hearing loss was defined as puretone average (PTA0.5,1,2,4) > 20 dB hearing level (HL). Optimal CVD risk was defined as nondiabetic, nonsmoking, systolic blood pressure (SBP) < 120 and diastolic (D)BP < 80 mm Hg, and total cholesterol < 180 mg/dL. Major CVD risk factors were diabetes, smoking, hypertension, and total cholesterol ≥ 240 mg/dL or statin use. We identified 6332 patients (mean age = 62.96 years; 45.5% male); 64.0% had hearing loss. Sex-stratified logistic regression adjusted for age, noise exposure, hearing aid use, and body mass index examined associations between hearing loss and CVD risk. For males, diabetes, hypertension, smoking, and ≥ 2 major CVD risk factors were associated with hearing loss. For females, diabetes, smoking, and ≥ 2 major CVD risk factors were significant risk factors. Compared to those with no CVD risk factors, there is a higher likelihood of hearing loss in patients with ≥ 2 major CVD risk factors. Future research to better understand sex dependence in the hearing loss-hypertension relationship is indicated.
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Affiliation(s)
- Rachael R Baiduc
- Department of Speech, Language, and Hearing Sciences, University of Colorado Boulder, 2501 Kittredge Loop Drive, 409 UCB, Boulder, CO, 80309, USA.
| | - Joshua W Sun
- Department of Applied Mathematics, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Caitlin M Berry
- Department of Applied Mathematics, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Melinda Anderson
- Department of Otolaryngology, University of Colorado School of Medicine, Aurora, CO, USA
| | - Eric A Vance
- Department of Applied Mathematics, University of Colorado Boulder, Boulder, CO, 80309, USA
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Gopinath B, Tang D, Tran Y, Burlutsky G, Russell J, Mitchell P. Food Insecurity and Hearing Loss Are Interrelated: A Cross-Sectional Population-Based Study. J Nutr Health Aging 2023; 27:251-256. [PMID: 37170431 PMCID: PMC10018724 DOI: 10.1007/s12603-023-1900-1] [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: 09/08/2022] [Accepted: 02/15/2023] [Indexed: 03/28/2023]
Abstract
OBJECTIVES We aimed to assess whether objectively measured hearing loss and self-perceived hearing handicap in adults are independently associated with food insecurity, and vice versa. DESIGN Cross-sectional population-based study. POPULATION 2,500 participants aged 50+ years from the Blue Mountains Hearing Study, with both complete pure-tone audiometry data and information on food security status. MEASUREMENTS The pure-tone average of frequencies 0.5, 1.0, 2.0 and 4.0 kHz (PTA0.5-4KHz) >25 dB HL in the better ear, established the presence of hearing loss. Self-perceived hearing handicap was assessed by administering the Hearing Handicap Inventory for Elderly Screening (HHIE-S total scores of ≥8 indicates hearing handicap). A 12-item food security survey was administered, comprising statements related to individual and household food situations. RESULTS Food insecurity was reported by 12.8% of study participants. After adjusting for all potential confounders, any self-perceived hearing handicap significantly increased the likelihood of participants reporting food insecurity by 94% (p<0.0001). Participants reporting any, mild or severe self-perceived hearing handicap had around 2-fold greater odds of experiencing food insecurity. Objectively measured hearing loss did not significantly influence the food security status of study participants. Conversely, food insecurity was significantly associated with both objectively measured hearing loss and self-perceived hearing handicap: multivariate-adjusted OR 1.37 (95% CI 1.01-1.88) and OR 1.83 (95% CI 1.40-2.39), respectively. CONCLUSIONS Food insecurity was an important social determinant of hearing health among community-dwelling adults. Conversely, participants with a significant self-perceived hearing handicap were more likely to experience food insecurity. These findings add to our understanding of the substantial public health impact of both food insecurity and hearing loss and may highlight areas for future intervention.
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Affiliation(s)
- B Gopinath
- Bamini Gopinath, Macquarie University Hearing, Faculty of Medicine, Health and Human Sciences, The Australian Hearing Hub, 16 University Avenue, Macquarie University, NSW 2109, Australia, Telephone: 61-2-98508962,
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Chen HL, Tan CT, Wu CC, Liu TC. Effects of Diet and Lifestyle on Audio-Vestibular Dysfunction in the Elderly: A Literature Review. Nutrients 2022; 14:nu14224720. [PMID: 36432406 PMCID: PMC9698578 DOI: 10.3390/nu14224720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/27/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The world's age-related health concerns continue to rise. Audio-vestibular disorders, such as hearing loss, tinnitus, and vertigo, are common complaints in the elderly and are associated with social and public health burdens. Various preventative measures can ease their impact, including healthy food consumption, nutritional supplementation, and lifestyle modification. We aim to provide a comprehensive summary of current possible strategies for preventing the age-related audio-vestibular dysfunction. METHODS A PubMed, Embase, and Cochrane review databases search was conducted to identify the relationship between diet, lifestyle, and audio-vestibular dysfunction. "Diet", "nutritional supplement", "lifestyle", "exercise", "physical activity", "tinnitus", "vertigo" and "age-related hearing loss" were used as keywords. RESULTS Audio-vestibular dysfunction develops and progresses as a result of age-related inflammation and oxidative stress. Diets with anti-inflammatory and antioxidant effects have been proposed to alleviate this illness. A high-fat diet may induce oxidative stress and low protein intake is associated with hearing discomfort in the elderly. Increased carbohydrate and sugar intake positively correlate with the incidence of audio-vestibular dysfunction, whereas a Mediterranean-style diet can protect against the disease. Antioxidants in the form of vitamins A, C, and E; physical activity; good sleep quality; smoking cessation; moderate alcohol consumption; and avoiding noise exposure are also beneficial. CONCLUSIONS Adequate diet or nutritional interventions with lifestyle modification may protect against developing audio-vestibular dysfunction in elderly individuals.
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Affiliation(s)
- Hsin-Lin Chen
- Department of Surgical Oncology, National Taiwan University Cancer Center Hospital, Taipei 100, Taiwan
- Department of Otolaryngology, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Ching-Ting Tan
- Department of Otolaryngology, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Chen-Chi Wu
- Department of Otolaryngology, National Taiwan University Hospital, Taipei 100, Taiwan
- Department of Medical Research, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu 302, Taiwan
- Department of Medical Genetics, National Taiwan University Hospital, Taipei 100, Taiwan
- Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei 100, Taiwan
- Correspondence: (C.-C.W.); (T.-C.L.)
| | - Tien-Chen Liu
- Department of Otolaryngology, National Taiwan University Hospital, Taipei 100, Taiwan
- Correspondence: (C.-C.W.); (T.-C.L.)
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Choo OS, Lee YY, Kim YS, Kim YJ, Lee DH, Kim H, Jang JH, Choung YH. Effect of statin on age-related hearing loss via drug repurposing. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119331. [PMID: 35963547 DOI: 10.1016/j.bbamcr.2022.119331] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 07/21/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
Hearing loss in the elderly cause communication difficulties, decreased quality of life, isolation, loneliness and frustration. The aim of our study was to investigate the effect of drug repurposing candidates in aging mouse. The selected candidate drugs for age-related hearing loss (ARHL) included atorvastatin (AS) and sarpogrelate. Monotherapy or fixed dose combination (FDC) products were administered via oral gavage for 6 consecutive months. Auditory outcomes showed significant hearing preservation in AS-treated aging mice compared to aging control, especially in the early stages of ARHL in both 8 and 16 kHz frequencies. However, none of the FDC products were able to prevent ARHL regardless of AS involvement. In aging mice, damage and dysfunction of mitochondria was noted as well as reactive oxygen species overproduction leading to oxidative stress and intrinsic apoptosis. These processes of ARHL were significantly prevented with administration of AS. Normal structures of mitochondria were maintained, and antioxidant activity were proceeded by activation of HSF1/Sirt1 pathway. Our study suggests that AS is a promising drug repurposing candidate to delay the progression of ARHL.
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Affiliation(s)
- Oak-Sung Choo
- Department of Otolaryngology, Uijeongbu Eulji Medical Center, Uijeongbu 11749, Republic of Korea
| | - Yun Yeong Lee
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea
| | - Young Sun Kim
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea
| | - Yeon Ju Kim
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea
| | - Dong Ha Lee
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon 16499, Republic of Korea
| | - Hantai Kim
- Department of Otorhinolaryngology, Konyang University College of Medicine, Daejeon 35365, Republic of Korea
| | - Jeong Hun Jang
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea
| | - Yun-Hoon Choung
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Republic of Korea; Department of Medical Sciences, Ajou University Graduate School of Medicine, Suwon 16499, Republic of Korea.
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10
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Zhang X, Trendowski MR, Wilkinson E, Shahbazi M, Dinh PC, Shuey MM, Feldman DR, Hamilton RJ, Vaughn DJ, Fung C, Kollmannsberger C, Huddart R, Martin NE, Sanchez VA, Frisina RD, Einhorn LH, Cox NJ, Travis LB, Dolan ME. Pharmacogenomics of cisplatin-induced neurotoxicities: Hearing loss, tinnitus, and peripheral sensory neuropathy. Cancer Med 2022; 11:2801-2816. [PMID: 35322580 PMCID: PMC9302309 DOI: 10.1002/cam4.4644] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/14/2022] [Accepted: 01/19/2022] [Indexed: 12/20/2022] Open
Abstract
PURPOSE Cisplatin is a critical component of first-line chemotherapy for several cancers, but causes peripheral sensory neuropathy, hearing loss, and tinnitus. We aimed to identify comorbidities for cisplatin-induced neurotoxicities among large numbers of similarly treated patients without the confounding effect of cranial radiotherapy. METHODS Utilizing linear and logistic regression analyses on 1680 well-characterized cisplatin-treated testicular cancer survivors, we analyzed associations of hearing loss, tinnitus, and peripheral neuropathy with nongenetic comorbidities. Genome-wide association studies and gene-based analyses were performed on each phenotype. RESULTS Hearing loss, tinnitus, and peripheral neuropathy, accounting for age and cisplatin dose, were interdependent. Survivors with these neurotoxicities experienced more hypertension and poorer self-reported health. In addition, hearing loss was positively associated with BMIs at clinical evaluation and nonwork-related noise exposure (>5 h/week). Tinnitus was positively associated with tobacco use, hypercholesterolemia, and noise exposure. We observed positive associations between peripheral neuropathy and persistent vertigo, tobacco use, and excess alcohol consumption. Hearing loss and TXNRD1, which plays a key role in redox regulation, showed borderline significance (p = 4.2 × 10-6 ) in gene-based analysis. rs62283056 in WFS1 previously found to be significantly associated with hearing loss (n = 511), was marginally significant in an independent replication cohort (p = 0.06; n = 606). Gene-based analyses identified significant associations between tinnitus and WNT8A (p = 2.5 × 10-6 ), encoding a signaling protein important in germ cell tumors. CONCLUSIONS Genetics variants in TXNRD1 and WNT8A are notable risk factors for hearing loss and tinnitus, respectively. Future studies should investigate these genes and if replicated, identify their potential impact on preventive strategies.
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Affiliation(s)
- Xindi Zhang
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | | | - Emma Wilkinson
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Mohammad Shahbazi
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
| | - Paul C Dinh
- Division of Medical Oncology, Indiana University, Indianapolis, Indiana, USA
| | - Megan M Shuey
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | | | - Darren R Feldman
- Department of Medical Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Robert J Hamilton
- Department of Surgical Oncology, Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - David J Vaughn
- Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Chunkit Fung
- J.P. Wilmot Cancer Institute, University of Rochester Medical Center, Rochester, New York, USA
| | | | | | - Neil E Martin
- Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Victoria A Sanchez
- Department of Otolaryngology - Head and Neck Surgery, University of South Florida, Tampa, Florida, USA
| | - Robert D Frisina
- Departments of Medical Engineering and Communication Sciences and Disorders, Global Center for Hearing and Speech Research, University of South Florida, Tampa, Florida, USA
| | - Lawrence H Einhorn
- Division of Medical Oncology, Indiana University, Indianapolis, Indiana, USA
| | - Nancy J Cox
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Lois B Travis
- Division of Medical Oncology, Indiana University, Indianapolis, Indiana, USA.,Department of Epidemiology, Fairbanks School of Public Health, Indiana University, Indianapolis, Indiana, USA
| | - M Eileen Dolan
- Department of Medicine, University of Chicago, Chicago, Illinois, USA
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11
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Association between birthweight and hearing loss in older adults. Maturitas 2022; 157:57-61. [DOI: 10.1016/j.maturitas.2021.11.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/20/2021] [Accepted: 11/08/2021] [Indexed: 01/01/2023]
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12
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13
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Fu Y, Chen W, Guo L, Liu Y. The Inverted-U Relationship Between Dietary Inflammatory Potential and Hearing Loss Among Adults Aged 20 Years and Over in the United States: A Cross-Sectional Study. J Inflamm Res 2021; 14:6671-6683. [PMID: 34916819 PMCID: PMC8669755 DOI: 10.2147/jir.s337737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 11/20/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose The purpose of this study was to examine the relationship between dietary inflammatory index and objective hearing loss (HL). Materials and Methods A cross-sectional analysis of a nationally representative sample of participants was performed based on data in National Health and Nutrition Examination Survey (NHANES) (2009-2016). HL was defined as pure tone averages >25 dB at 500, 1000, and 2000 Hz (low frequency); 3000, 4000, 6000, and 8000 Hz (high frequency) in either ear. The energy-adjusted dietary inflammatory index (E-DII) score was calculated for each participant based on two 24-h dietary recalls to assess diet-associated inflammation. Multivariable logistic regression was used to examine the linear relationship between HL and E-DII score or E-DII quartiles. Restricted cubic spline was applied to identify any non-linear associations of the E-DII score with hearing loss. Subgroup analyses were performed by age and gender to explore the moderating roles of these factors. Akaike's Information Criterion (AIC) values were used to select the better-fitted model among linear and non-linear models. Results An inverted-U shaped relationship with low-frequency hearing loss (LFHL) was identified for the E-DII score (P-nonlinear =0.023) after adjustment for potential confounders. But significant linear or nonlinear association between E-DII score and high-frequency hearing loss (HFHL) was not found. Conclusion E-DII score had inverted-U relationship with LFHL. Both pro-inflammatory diet and anti-inflammatory diet seemed to be associated with a decreased risk of LFHL compared to diet that was neither pro-inflammatory diet nor anti-inflammatory diet.
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Affiliation(s)
- Yanpeng Fu
- Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Wenyu Chen
- Nursing Department, Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Liqing Guo
- Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Yuehui Liu
- Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
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14
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Kociszewska D, Chan J, Thorne PR, Vlajkovic SM. The Link between Gut Dysbiosis Caused by a High-Fat Diet and Hearing Loss. Int J Mol Sci 2021; 22:13177. [PMID: 34947974 PMCID: PMC8708400 DOI: 10.3390/ijms222413177] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/02/2021] [Accepted: 12/06/2021] [Indexed: 12/17/2022] Open
Abstract
This review aims to provide a conceptual and theoretical overview of the association between gut dysbiosis and hearing loss. Hearing loss is a global health issue; the World Health Organisation (WHO) estimates that 2.5 billion people will be living with some degree of hearing loss by 2050. The aetiology of sensorineural hearing loss (SNHL) is complex and multifactorial, arising from congenital and acquired causes. Recent evidence suggests that impaired gut health may also be a risk factor for SNHL. Inflammatory bowel disease (IBD), type 2 diabetes, diet-induced obesity (DIO), and high-fat diet (HFD) all show links to hearing loss. Previous studies have shown that a HFD can result in microangiopathy, impaired insulin signalling, and oxidative stress in the inner ear. A HFD can also induce pathological shifts in gut microbiota and affect intestinal barrier (IB) integrity, leading to a leaky gut. A leaky gut can result in chronic systemic inflammation, which may affect extraintestinal organs. Here, we postulate that changes in gut microbiota resulting from a chronic HFD and DIO may cause a systemic inflammatory response that can compromise the permeability of the blood-labyrinth barrier (BLB) in the inner ear, thus inducing cochlear inflammation and hearing deficits.
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Affiliation(s)
| | | | | | - Srdjan M. Vlajkovic
- Department of Physiology and The Eisdell Moore Centre, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag, Auckland 1142, New Zealand; (D.K.); (J.C.); (P.R.T.)
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15
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Association between Statin Use and Sensorineural Hearing Loss in Type 2 Diabetic Patients: A Hospital-Based Study. Pharmaceuticals (Basel) 2021; 14:ph14111076. [PMID: 34832858 PMCID: PMC8625623 DOI: 10.3390/ph14111076] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/18/2021] [Accepted: 10/22/2021] [Indexed: 12/30/2022] Open
Abstract
Statins have emerged as protective agents against sensorineural hearing loss (SNHL) associated with dyslipidemia, but the effects of statins on SNHL are not consistent. The purpose of this study was to investigate the association between statin use and the risk of SNHL using a hospital cohort. This nested case-control study included type 2 diabetic patients over the age of 18 years without a history of hearing loss. Of these, 1379 patients newly diagnosed with SNHL or tinnitus were classified as cases, and 5512 patients matched to the cases based on age, sex, and index year were classified as controls. Chi-squared tests were used to compare categorical variables between the two groups. Odds ratios (ORs) and adjusted odds ratios (AOR) were calculated from univariate and multivariable unconditional logistic regression analyses, respectively. There was a significant difference in the prevalence of statin use between the cases and controls (53.7% vs. 61.2%, respectively; p < 0.001). The use of statins in type 2 diabetic patients significantly reduced the risk of SNHL or tinnitus by 24.8% (95% CI 14.2–34.1%, p < 0.001) after controlling for confounders. Similar results were found for the association between statin use and SNHL (AOR = 0.706; 95% CI 0.616–0.811, p < 0.001). The protective effects of statins against SNHL were consistent regardless of age and sex. The use of statins for type 2 diabetic patients was significantly associated with a reduced risk of SNHL, regardless of age and sex. Further studies are needed, especially large cohort studies, to evaluate the long-term protective effects of statins.
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16
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Fernandez KA, Allen P, Campbell M, Page B, Townes T, Li CM, Cheng H, Garrett J, Mulquin M, Clements A, Mulford D, Ortiz C, Brewer C, Dubno JR, Newlands S, Schmitt NC, Cunningham LL. Atorvastatin is associated with reduced cisplatin-induced hearing loss. J Clin Invest 2021; 131:142616. [PMID: 33393488 DOI: 10.1172/jci142616] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 09/23/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUNDCisplatin is widely used to treat adult and pediatric cancers. It is the most ototoxic drug in clinical use, resulting in permanent hearing loss in approximately 50% of treated patients. There is a major need for therapies that prevent cisplatin-induced hearing loss. Studies in mice suggest that concurrent use of statins reduces cisplatin-induced hearing loss.METHODSWe examined hearing thresholds from 277 adults treated with cisplatin for head and neck cancer. Pretreatment and posttreatment audiograms were collected within 90 days of initiation and completion of cisplatin therapy. The primary outcome measure was a change in hearing as defined by the National Cancer Institute Common Terminology Criteria for Adverse Events (CTCAE).RESULTSAmong patients on concurrent atorvastatin, 9.7% experienced a CTCAE grade 2 or higher cisplatin-induced hearing loss compared with 29.4% in nonstatin users (P < 0.0001). A mixed-effect model analysis showed that atorvastatin use was significantly associated with reduced cisplatin-induced hearing loss (P ≤ 0.01). An adjusted odds ratio (OR) analysis indicated that an atorvastatin user is 53% less likely to acquire a cisplatin-induced hearing loss than a nonstatin user (OR = 0.47; 95% CI, 0.30-0.78). Three-year survival rates were not different between atorvastatin users and nonstatin users (P > 0.05).CONCLUSIONSOur data indicate that atorvastatin use is associated with reduced incidence and severity of cisplatin-induced hearing loss in adults being treated for head and neck cancer.TRIAL REGISTRATIONClinicalTrials.gov identifier NCT03225157.FUNDINGFunding was provided by the Division of Intramural Research at the National Institute on Deafness and Other Communication Disorders (1 ZIA DC000079, ZIA DC000090).
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Affiliation(s)
- Katharine A Fernandez
- National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, Maryland, USA
| | - Paul Allen
- Department of Otolaryngology, University of Rochester Medical Center, Rochester, New York, USA
| | - Maura Campbell
- Department of Otolaryngology, University of Rochester Medical Center, Rochester, New York, USA
| | - Brandi Page
- Department of Radiation Oncology and Molecular Sciences, Johns Hopkins University, Baltimore, Maryland, USA
| | - Thomas Townes
- Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Chuan-Ming Li
- National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, Maryland, USA
| | - Hui Cheng
- National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, Maryland, USA
| | - Jaylon Garrett
- Department of Radiation Oncology and Molecular Sciences, Johns Hopkins University, Baltimore, Maryland, USA
| | - Marcia Mulquin
- National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, Maryland, USA
| | - Anna Clements
- National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, Maryland, USA
| | - Deborah Mulford
- Department of Medicine, University of Rochester Medical Center, Rochester, New York, USA
| | - Candice Ortiz
- Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Carmen Brewer
- National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, Maryland, USA
| | - Judy R Dubno
- Department of Otolaryngology - Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Shawn Newlands
- Department of Otolaryngology, University of Rochester Medical Center, Rochester, New York, USA
| | - Nicole C Schmitt
- National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, Maryland, USA.,Department of Otolaryngology - Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Lisa L Cunningham
- National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, Maryland, USA
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17
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Dawes P, Cruickshanks KJ, Marsden A, Moore DR, Munro KJ. Relationship Between Diet, Tinnitus, and Hearing Difficulties. Ear Hear 2021; 41:289-299. [PMID: 31356390 PMCID: PMC7664714 DOI: 10.1097/aud.0000000000000765] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 05/21/2019] [Indexed: 01/08/2023]
Abstract
OBJECTIVES Diet may affect susceptibility of the inner ear to noise and age-related effects that lead to tinnitus and hearing loss. This study used complementary single nutrient and dietary pattern analysis based on statistical grouping of usual dietary intake in a cross-sectional analysis of tinnitus and hearing difficulties in a large population study sample. DESIGN The research was conducted using the UK Biobank resource. Tinnitus was based on report of ringing or buzzing in one or both ears that lasts more than five minutes at a time and is currently experienced at least some of the time. Identification of a hearing problem was based on self-reported difficulties with hearing. Usual dietary intake and dietary patterns (involving statistical grouping of intake to account for how foods are combined in real-life diets) were estimated based on between two and five administrations of the Oxford Web-Q 24-hour dietary recall questionnaire over the course of a year for 34,576 UK adult participants aged 40 to 69. RESULTS In a multivariate model, higher intake of vitamin B12 was associated with reduced odds of tinnitus, while higher intakes of calcium, iron, and fat were associated with increased odds (B12, odds ratio [OR] 0.85, 95% confidence interval [CI] 0.75 to 0.97; Calcium, OR 1.20, 95% CI 1.08 to 1.34; Iron, OR 1.20, 95% CI 1.05 to 1.37; Fat, OR 1.33, 95% CI 1.09 to 1.62, respectively, for quintile 5 versus quintile 1). A dietary pattern characterised by high protein intake was associated with reduced odds of tinnitus (OR 0.90, 95% CI 0.82 to 0.99 for quintile 5 versus quintile 1). Higher vitamin D intake was associated with reduced odds of hearing difficulties (OR 0.90, 95% CI 0.81 to 1.00 for quintile 5 versus quintile 1), as were dietary patterns high in fruit and vegetables and meat and low in fat (Prudent diet: OR 0.89, 95% CI 0.83 to 0.96; High protein: OR 0.88, 95% CI 0.82 to 0.95; High fat: OR 1.16, 95% CI 1.08 to 1.24, respectively, for quintile 5 versus quintile 1). CONCLUSIONS There were associations between both single nutrients and dietary patterns with tinnitus and hearing difficulties. Although the size of the associations was small, universal exposure for dietary factors indicates that there may be a substantial impact of diet on levels of tinnitus and hearing difficulties in the population. This study showed that dietary factors might be important for hearing health.
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Affiliation(s)
- Piers Dawes
- Manchester Centre for Audiology and Deafness, School of Health Sciences, University of Manchester, Manchester, UK
- Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Karen J. Cruickshanks
- Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | - Antonia Marsden
- School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - David R. Moore
- Manchester Centre for Audiology and Deafness, School of Health Sciences, University of Manchester, Manchester, UK
- Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
- Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Kevin J. Munro
- Manchester Centre for Audiology and Deafness, School of Health Sciences, University of Manchester, Manchester, UK
- Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
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18
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Kim SY, Lee CH, Min C, Yoo DM, Choi HG. Association between statin medication and hearing impairment in a national health screening cohort. Sci Rep 2021; 11:14388. [PMID: 34257355 PMCID: PMC8277800 DOI: 10.1038/s41598-021-93916-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 07/05/2021] [Indexed: 12/24/2022] Open
Abstract
This study aimed to investigate the association of previous stain use with hearing impairment in an adult population. Data from the ≥ 40-year-old population in the Korean National Health Insurance Service Health Screening Cohort were used. The hearing impairment group was classified based on the national registry of hearing-impaired persons. Control participants were randomly selected and matched for age, sex, income, and region of residence. The number of days of statin prescription during the 2 years before the diagnosis of hearing impairment was compared between the hearing impairment group and the control group using conditional logistic regression analysis. Additional analyses were conducted according to age and sex. The number of days of previous statin use was not different between the hearing impairment group and the control group (adjusted odds ratio [aOR] = 0.94, 95% confidence interval (CI) = 0.86-1.02, P = 0.118). According to age, in the ≥ 70-year-old group, those with hearing impairment had 11% lower rates of previous statin use than those in the control group (aOR = 0.89, 95% CI = 0.80-0.99, P = 0.039). According to sex, in the male group, 12% lower rates of previous statin use were observed among those with hearing impairment than among those in the control group (aOR = 0.88, 95% CI = 0.79-0.99, P = 0.037). Previous statin use might have an effect on reducing the prevalence of hearing impairment in elderly individuals and men.
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Affiliation(s)
- So Young Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Chang Ho Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Chanyang Min
- Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang, Korea
- Graduate School of Public Health, Seoul National University, Seoul, Korea
| | - Dae Myoung Yoo
- Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang, Korea
| | - Hyo Geun Choi
- Hallym Data Science Laboratory, Hallym University College of Medicine, Anyang, Korea.
- Department of Otorhinolaryngology-Head and Neck Surgery, Hallym University College of Medicine, Anyang, Korea.
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Yang JR, Hidayat K, Chen CL, Li YH, Xu JY, Qin LQ. Body mass index, waist circumference, and risk of hearing loss: a meta-analysis and systematic review of observational study. Environ Health Prev Med 2020; 25:25. [PMID: 32590951 PMCID: PMC7320546 DOI: 10.1186/s12199-020-00862-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 06/18/2020] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Emerging evidence implicates excess weight as a potential risk factor for hearing loss. However, this association remained inconclusive. Therefore, we aimed to systematically and quantitatively review the published observational study on the association between body mass index (BMI) or waist circumference (WC) and hearing loss. METHODS The odds ratios (ORs) or relative risks (RRs) with their 95% confidence intervals (CIs) were pooled under a random-effects model. Fourteen observational studies were eligible for the inclusion in the final analysis. RESULTS In the meta-analysis of cross-sectional studies, the ORs for prevalent hearing loss were 1.10 (95% CI 0.88, 1.38) underweight, 1.14 (95% CI 0.99, 1.32) for overweight, OR 1.40 (95% CI 1.14, 1.72) for obesity, 1.14 (95% CI 1.04, 1.24) for each 5 kg/m2 increase in BMI, and 1.22 (95% CO 0.88. 1.68) for higher WC. In the meta-analysis of longitudinal studies, the RRs were 0.96 (95% CI 0.52, 1.79) for underweight, 1.15 (95% CI 1.04, 1.27) for overweight, 1.38 (95% CI 1.07, 1.79) for obesity, 1.15 (95% CI 1.01, 1.30) for each 5 kg/m2 increase in BMI, and 1.11 (95% CI 1.01, 1.22) for higher WC. CONCLUSIONS In summary, our findings add weight to the evidence that elevated BMI and higher WC may be positively associated with the risk of hearing loss.
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Affiliation(s)
- Jin-Rong Yang
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, 215123, China
| | - Khemayanto Hidayat
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, 215123, China
| | - Cai-Long Chen
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, 215123, China
- Children's Hospital of Soochow University, Suzhou, 215025, China
| | - Yun-Hong Li
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, 215123, China
| | - Jia-Ying Xu
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, China
| | - Li-Qiang Qin
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, 215123, China.
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Rodrigo L, Campos-Asensio C, Rodríguez MÁ, Crespo I, Olmedillas H. Role of nutrition in the development and prevention of age-related hearing loss: A scoping review. J Formos Med Assoc 2020; 120:107-120. [PMID: 32473863 DOI: 10.1016/j.jfma.2020.05.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 05/07/2020] [Accepted: 05/08/2020] [Indexed: 11/18/2022] Open
Abstract
Age-related hearing loss (ARHL) is a major and increasingly prevalent health problem worldwide, causing disability and social isolation in the people who present it. This impairment is caused by genetic and environmental factors. Nutritional status has been identified as a related risk associated with hearing loss (HL). This scoping review aimed to characterize the links between HL and nutritional status. PubMed, Embase, Cochrane and Scopus databases were searched up to December 2019. Studies examining the relation between nutrition and dietary habits and HL were included. After screening 3510 citations, 22 publications were selected for inclusion in the current review, all of which were published between 2010 and 2019. Diets rich in saturated fats and cholesterol have deleterious effects on hearing that could be prevented by lower consumption. Conversely, greater consumption of fruit and vegetables, and of polyunsaturated fatty acids (omega-3) and anti-oxidants in the form of vitamins A, C, and E, prevent the development of ARHL. The current literature suggests a possible association between nutritional status and hearing loss. More studies are needed to better characterize the clinical consequences of this association.
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Affiliation(s)
- Luis Rodrigo
- Gastroenterology Unit, Hospital Universitario Central de Asturias (HUCA), Oviedo, Spain
| | | | | | - Irene Crespo
- Department of Functional Biology, University of Oviedo, Oviedo, Spain; Institute of Biomedicine, University of León, León, Spain
| | - Hugo Olmedillas
- Department of Functional Biology, University of Oviedo, Oviedo, Spain; Health Research Institute of the Principality of Asturias (ISPA), Oviedo, Spain.
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21
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Zhang H, Wang D, Ma H, Ren Y, Li C, Zheng Y, Dai X, Yang L, Xu L. Increased atherogenic index in the general hearing loss population. Open Med (Wars) 2020; 15:349-357. [PMID: 33313401 PMCID: PMC7702136 DOI: 10.1515/med-2020-0003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 03/05/2020] [Accepted: 03/05/2020] [Indexed: 12/31/2022] Open
Abstract
Purpose The purpose of this study was to evaluate the association of hearing loss with atherogenic index (AI) in the general population. Methods A multistage study using cluster random sampling method was conducted in the Zhejiang province from 2016 to 2018. Pure-tone air-conduction hearing thresholds were measured at frequencies of 0.125-8 kHz for each subject. After obtaining their consent, all participants were asked to provide their own plasma lipid data. Results A total of 3,414 eligible participants were included, 1,765 (51.7%) were men and 1,649 (48.3%) were women and 1,113 (32.6%) had hearing loss. Ridge regression showed increased AI in subjects with hearing loss. The subgroup with the highest quartile of AI, presenting the highest risk of hearing loss as compared to the lowest quartile, comprised young and middle-aged women. Further analysis revealed that the AI in people with different categories of hearing loss was higher than that in the normal population, except for those with (extremely) severe hearing loss. Moreover, the young and middle-aged women exhibited the most significant correlations between AI and hearing loss. Conclusion AI was positively associated with hearing loss in the general population, especially the young and middle-aged women.
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Affiliation(s)
- Huai Zhang
- The Medical School, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Dahui Wang
- The Medical School, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Haiyan Ma
- The Medical School, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Ying Ren
- The Medical School, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Chenhui Li
- The Medical School, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Yihua Zheng
- Breath internal medicine department, The People's Hospital of Jiangshan, Jiangshan, Zhejiang, China
| | - Xiaoming Dai
- Hospital director's office, Tonglu First People's Hospital, Hangzhou, Zhejiang, China
| | - Lei Yang
- The Medical School, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Liangwen Xu
- The Medical School, Hangzhou Normal University, Hangzhou, Zhejiang, China
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Radivojevic N, Arsovic N, Dudvarski Z, Nesic V, Cvorovic L, Babac S, Radivojevic A. Influence of cardiovascular risk factors on cochlear dysfunction. INDIAN JOURNAL OF OTOLOGY 2020. [DOI: 10.4103/indianjotol.indianjotol_127_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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23
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Evidence Supporting the Hypothesis That Inflammation-Induced Vasospasm Is Involved in the Pathogenesis of Acquired Sensorineural Hearing Loss. Int J Otolaryngol 2019; 2019:4367240. [PMID: 31781229 PMCID: PMC6875011 DOI: 10.1155/2019/4367240] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 10/04/2019] [Accepted: 10/19/2019] [Indexed: 12/15/2022] Open
Abstract
Sensorineural hearing loss is mainly acquired and affects an estimated 1.3 billion humans worldwide. It is related to aging, noise, infection, ototoxic drugs, and genetic defects. It is essential to identify reversible and preventable causes to be able to reduce the burden of this disease. Inflammation is involved in most causes and leads to tissue injury through vasospasm-associated ischemia. Vasospasm is reversible. This review summarized evidence linking inflammation-induced vasospasm to several forms of acquired sensorineural hearing loss. The link between vasospasm and sensorineural hearing loss is directly evident in subarachnoid haemorrhage, which involves the release of vasoconstriction-inducing cytokines like interleukin-1, endothelin-1, and tumour necrosis factor. These proinflammatory cytokines can also be released in response to infection, autoimmune disease, and acute or chronically increased inflammation in the ageing organism as in presbyacusis or in noise-induced cochlear injury. Evidence of vasospasm and hearing loss has also been discovered in bacterial meningitis and brain injury. Resolution of inflammation-induced vasospasm has been associated with improvement of hearing in autoimmune diseases involving overproduction of interleukin-1 from inflammasomes. There is mainly indirect evidence for vasospasm-associated sensorineural hearing loss in most forms of systemic or injury- or infection-induced local vascular inflammation. This opens up avenues in prevention and treatment of vascular and systemic inflammation as well as vasospasm itself as a way to prevent and treat most forms of acquired sensorineural hearing loss. Future research needs to investigate interventions antagonising vasospasm and vasospasm-inducing proinflammatory cytokines and their production in randomised controlled trials of prevention and treatment of acquired sensorineural hearing loss. Prime candidates for interventions are hereby inflammasome inhibitors and vasospasm-reducing drugs like nitric oxide donors, rho-kinase inhibitors, and magnesium which have the potential to reduce sensorineural hearing loss in meningitis, exposure to noise, brain injury, arteriosclerosis, and advanced age-related and autoimmune disease-related inflammation.
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Spankovich C, Le Prell CG. The role of diet in vulnerability to noise-induced cochlear injury and hearing loss. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2019; 146:4033. [PMID: 31795697 DOI: 10.1121/1.5132707] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
The influence of dietary nutrient intake on the onset and trajectory of hearing loss during aging and in mediating protection from challenges such as noise is an important relationship yet to be fully appreciated. Dietary intake provides essential nutrients that support basic cellular processes related to influencing cellular stress response, immune response, cardiometabolic status, neural status, and psychological well-being. Dietary quality has been shown to alter risk for essentially all chronic health conditions including hearing loss and tinnitus. Evidence of nutrients with antioxidant, anti-inflammatory, and anti-ischemic properties, and overall healthy diet quality as otoprotective strategies are slowly accumulating, but many questions remain unanswered. In this article, the authors will discuss (1) animal models in nutritional research, (2) evidence of dietary nutrient-based otoprotection, and (3) consideration of confounds and limitations to nutrient and dietary study in hearing sciences. Given that there are some 60 physiologically essential nutrients, unraveling the intricate biochemistry and multitude of interactions among nutrients may ultimately prove infeasible; however, the wealth of available data suggesting healthy nutrient intake to be associated with improved hearing outcomes suggests the development of evidence-based guidance regarding diets that support healthy hearing may not require precise understanding of all possible interactions among variables. Clinical trials evaluating otoprotective benefits of nutrients should account for dietary quality, noise exposure history, and exercise habits as potential covariates that may influence the efficacy and effectiveness of test agents; pharmacokinetic measures are also encouraged.
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Affiliation(s)
- Christopher Spankovich
- Department of Otolaryngology and Communicative Sciences, University of Mississippi Medical Center, Jackson, Mississippi 39216, USA
| | - Colleen G Le Prell
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Dallas, Texas 75080, USA
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Prayuenyong P, Kasbekar AV, Baguley DM. The efficacy of statins as otoprotective agents: A systematic review. Clin Otolaryngol 2019; 45:21-31. [PMID: 31602810 DOI: 10.1111/coa.13457] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 10/06/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVE This systematic review examined current literature, summarised research findings and identified research gaps regarding the efficacy of statins on audiological outcomes. METHODS Systematic search of electronic databases and grey literature was performed. Eligibility criteria were the study of a statin drug with report of audiological outcomes such as hearing, tinnitus or balance in either human or animal studies. Data extraction and quality assessment were performed by two independently researchers. The characteristics of the study and research findings were collated and summarised. A narrative synthesis was conducted. Meta-analysis was not possible due to heterogeneity of the included studies. RESULTS Analysis of searches yielded 17 studies meeting the criteria. Included studies had variable drug type and dosage, outcome measures and associated inner ear conditions. Most animal experiments showed promising audiological outcomes after statin treatment, demonstrated by the results of auditory brainstem response, distortion product otoacoustic emissions and inner ear histology. However, no clear effect can be discerned in human trials due to the mixed results, and heterogeneity in research methodology and quality. Audiological outcomes were not always correlated with cholesterol levels. CONCLUSIONS Statins remain a potential candidate as otoprotective agents which warrant further investigation.
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Affiliation(s)
- Pattarawadee Prayuenyong
- Hearing Sciences, Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, UK.,NIHR Nottingham Biomedical Research Centre, Nottingham, UK.,Nottingham University Hospitals NHS Trust, Nottingham, UK.,Department of Otorhinolaryngology, Head and Neck Surgery, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand
| | - Anand V Kasbekar
- Hearing Sciences, Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, UK.,NIHR Nottingham Biomedical Research Centre, Nottingham, UK.,Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - David M Baguley
- Hearing Sciences, Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, UK.,NIHR Nottingham Biomedical Research Centre, Nottingham, UK.,Nottingham University Hospitals NHS Trust, Nottingham, UK
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26
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Tang TH, Hwang JH, Yang TH, Hsu CJ, Wu CC, Liu TC. Can Nutritional Intervention for Obesity and Comorbidities Slow Down Age-Related Hearing Impairment? Nutrients 2019; 11:E1668. [PMID: 31330876 PMCID: PMC6682960 DOI: 10.3390/nu11071668] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 07/16/2019] [Accepted: 07/19/2019] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Age-related hearing impairment (ARHI), the most common sensory deficit in the elderly, is associated with enormous social and public health burdens. Emerging evidence has suggested that obesity and comorbidities might increase the risk of ARHI. However, no reviews have been published that address the role of nutritional interventions for obesity and comorbidities in the prevention of ARHI. METHODS A PubMed database search was conducted to identify the relationship between obesity and ARHI. "Obesity", "metabolic syndrome", "adipose-derived hormone", "fatty acid", and "age-related hearing impairment" were included as keywords. RESULTS A total of 89 articles was analyzed with 39 articles of relevance to ARHI. A high-fat diet may induce oxidative stress, mitochondrial damage, and apoptosis in the inner ear. Statins have been shown to delay the progression of ARHI by improving the lipid profile, reducing oxidative stress, and inhibiting endothelial inflammation. Aldosterone could exert protective effects against ARHI by upregulating the Na-K-2Cl co-transporter 1 in the cochlea. Omega-3 polyunsaturated fatty acids could preserve the cochlear microcirculation by reducing dyslipidemia and inhibiting inflammation. Alpha-lipoic acid and lecithin might delay the progression of ARHI by protecting cochlear mitochondrial DNA from damage due to oxidative stress. Tea and ginseng might protect against ARHI through their anti-obesity and anti-diabetic effects. CONCLUSIONS Nutritional interventions for obesity and comorbidities, including a low-fat diet, supplementation with statins, aldosterone, omega-3 polyunsaturated fatty acids, alpha-lipoic acids, lecithin, tea, and ginseng, may protect against the development of ARHI.
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Affiliation(s)
- Ting-Hsuan Tang
- Department of Otolaryngology, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Juen-Haur Hwang
- Department of Otolaryngology-Head and Neck Surgery, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi 622, Taiwan
- School of Medicine, Tzu Chi University, Hualien 970, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
| | - Ting-Hua Yang
- Department of Otolaryngology, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Chuan-Jen Hsu
- School of Medicine, Tzu Chi University, Hualien 970, Taiwan
- Department of Otolaryngology, Taichung Tzu-Chi Hospital, Taichung 427, Taiwan
| | - Chen-Chi Wu
- Department of Otolaryngology, National Taiwan University Hospital, Taipei 100, Taiwan.
- Department of Otolaryngology, National Taiwan University College of Medicine, Taipei 100, Taiwan.
| | - Tien-Chen Liu
- Department of Otolaryngology, National Taiwan University Hospital, Taipei 100, Taiwan.
- Department of Otolaryngology, National Taiwan University College of Medicine, Taipei 100, Taiwan.
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Abstract
The association between dietary patterns (DP) and prevalence of hearing loss in men enrolled in the Caerphilly Prospective Study was investigated. During 1979-1983, the study recruited 2512 men aged 45-59 years. At baseline, dietary data were collected using a semi-quantitative FFQ, and a 7-d weighed food intake (WI) in a 30 % subsample. Five years later, pure-tone unaided audiometric threshold was assessed at 0·5, 1, 2 and 4 kHz. Principal component analysis (PCA) identified three DP and multiple logistic and ordinal logistic regression models examined the association with hearing loss (defined as pure-tone average of frequencies 0·5, 1, 2 and 4 kHz >25 dB). Traditional, healthy and high-sugar/low-alcohol DP were found with both FFQ and WI data. With the FFQ data, fully adjusted models demonstrated significant inverse association between the healthy DP and hearing loss both as a dichotomous variable (OR=0·83; 95 % CI 0·77, 0·90; P<0·001) and as an ordinal variable (OR=0·87; 95 % CI 0·81, 0·94; P<0·001). With the WI data, fully adjusted models showed a significant and inverse association between the healthy DP and hearing loss (OR=0·85; 95 % CI 0·73, 0·99; P<0·03), and a significant association between the traditional DP (per fifth increase) and hearing loss both as a dichotomous variable (OR=1·18; 95 % CI 1·02, 1·35; P=0·02) and as an ordinal variable (OR=1·17; 95 % CI 1·03, 1·33; P=0·02). A healthy DP was significantly and inversely associated with hearing loss in older men. The role of diet in age-related hearing loss warrants further investigation.
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Puga AM, Pajares MA, Varela-Moreiras G, Partearroyo T. Interplay between Nutrition and Hearing Loss: State of Art. Nutrients 2018; 11:nu11010035. [PMID: 30586880 PMCID: PMC6356655 DOI: 10.3390/nu11010035] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 12/17/2018] [Accepted: 12/21/2018] [Indexed: 12/14/2022] Open
Abstract
Hearing loss has been recently ranked as the fifth leading cause of years lived with disability, ahead of many other chronic diseases such as diabetes, dementia, or chronic obstructive pulmonary disease. Moreover, according to the World Health Organization, moderate-to-profound hearing loss affects about 466 million people worldwide. Its incidence varies in each population segment, affecting approximately 10% of children and increasing to 30% of the population over 65 years. However, hearing loss receives still very limited research funding and public awareness. This sensory impairment is caused by genetic and environmental factors, and among the latter, the nutritional status has acquired relevance due its association to hearing loss detected in recent epidemiological studies. Several experimental models have proved that the onset and progression of hearing loss are closely linked to the availability of nutrients and their metabolism. Here, we have reviewed studies focused on nutrient effects on auditory function. These studies support the potential of nutritional therapy for the protection against hearing loss progression, which is especially relevant to the aging process and related quality of life.
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Affiliation(s)
- Ana M Puga
- Department of Pharmaceutical and Health Sciences, Faculty of Pharmacy, CEU San Pablo University, 28668 Madrid, Spain.
| | - María A Pajares
- Department of Structural and Chemical Biology, Centro de Investigaciones Biológicas (CSIC), 28040 Madrid, Spain.
- Molecular Hepatology Group, Hospital La Paz Institute for Health Research (IdiPAZ), 28046 Madrid, Spain.
| | - Gregorio Varela-Moreiras
- Department of Pharmaceutical and Health Sciences, Faculty of Pharmacy, CEU San Pablo University, 28668 Madrid, Spain.
| | - Teresa Partearroyo
- Department of Pharmaceutical and Health Sciences, Faculty of Pharmacy, CEU San Pablo University, 28668 Madrid, Spain.
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29
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Tan BL, Norhaizan ME, Liew WPP. Nutrients and Oxidative Stress: Friend or Foe? OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:9719584. [PMID: 29643982 PMCID: PMC5831951 DOI: 10.1155/2018/9719584] [Citation(s) in RCA: 171] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 11/24/2017] [Accepted: 12/04/2017] [Indexed: 02/07/2023]
Abstract
There are different types of nutritionally mediated oxidative stress sources that trigger inflammation. Much information indicates that high intakes of macronutrients can promote oxidative stress and subsequently contribute to inflammation via nuclear factor-kappa B- (NF-κB-) mediated cell signaling pathways. Dietary carbohydrates, animal-based proteins, and fats are important to highlight here because they may contribute to the long-term consequences of nutritionally mediated inflammation. Oxidative stress is a central player of metabolic ailments associated with high-carbohydrate and animal-based protein diets and excessive fat consumption. Obesity has become an epidemic and represents the major risk factor for several chronic diseases, including diabetes, cardiovascular disease (CVD), and cancer. However, the molecular mechanisms of nutritionally mediated oxidative stress are complex and poorly understood. Therefore, this review aimed to explore how dietary choices exacerbate or dampen the oxidative stress and inflammation. We also discussed the implications of oxidative stress in the adipocyte and glucose metabolism and obesity-associated noncommunicable diseases (NCDs). Taken together, a better understanding of the role of oxidative stress in obesity and the development of obesity-related NCDs would provide a useful approach. This is because oxidative stress can be mediated by both extrinsic and intrinsic factors, hence providing a plausible means for the prevention of metabolic disorders.
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Affiliation(s)
- Bee Ling Tan
- Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Mohd Esa Norhaizan
- Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
- Laboratory of Molecular Biomedicine, Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
- Research Centre of Excellent, Nutrition and Non-Communicable Diseases (NNCD), Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Winnie-Pui-Pui Liew
- Department of Nutrition and Dietetics, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
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30
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Haider HF, Flook M, Aparicio M, Ribeiro D, Antunes M, Szczepek AJ, Hoare DJ, Fialho G, Paço JC, Caria H. Biomarkers of Presbycusis and Tinnitus in a Portuguese Older Population. Front Aging Neurosci 2017; 9:346. [PMID: 29163129 PMCID: PMC5672025 DOI: 10.3389/fnagi.2017.00346] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 10/16/2017] [Indexed: 12/28/2022] Open
Abstract
Introduction: Presbycusis or age-related hearing loss (ARHL) is a ubiquitous health problem. It is estimated that it will affect up to 1.5 billion people by 2025. In addition, tinnitus occurs in a large majority of cases with presbycusis. Glutamate metabotropic receptor 7 (GRM7) and N-acetyltransferase 2 (NAT2) are some of the genetic markers for presbycusis. Objectives: To explore patterns of hearing loss and the role of GRM7 and NAT2 as possible markers of presbycusis and tinnitus in a Portuguese population sample. Materials and Methods: Tonal and speech audiometry, tinnitus assessment, clinical interview, and DNA samples were obtained from patients aged from 55 to 75 with or without tinnitus. GRM7 analysis was performed by qPCR. Genotyping of single nucleotide polymorphisms (SNPs) in NAT2 was performed by PCR amplification followed by Sanger sequencing or by qPCR. Results: We screened samples from 78 individuals (33 men and 45 women). T allele at GRM7 gene was the most observed (60.3% T/T and 33.3% A/T). Individuals with a T/T genotype have a higher risk for ARHL and 33% lower risk for tinnitus, compared to individuals with A/A and A/T genotype, respectively. Being a slow acetylator (53%) was the most common NAT2 phenotype, more common in men (55.8%). Intermediate acetylator was the second most common phenotype (35.9%) also more frequent in men (82.6%). Noise exposed individuals and individuals with ‘high frequency’ hearing loss seem to have a higher risk for tinnitus. Our data suggests that allele AT of GRM7 can have a statistically significant influence toward the severity of tinnitus. Conclusion: For each increasing year of age the chance of HL increases by 9%. The risk for ARHL was not significantly associated with GRM7 neither NAT2. However, we cannot conclude from our data whether the presence of T allele at GRM7 increases the odds for ARHL or whether the A allele has a protective effect. Genotype A/T at GRM7 could potentially be considered a biomarker of tinnitus severity. This is the first study evaluating the effect of GRM7 and NAT2 gene in tinnitus.
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Affiliation(s)
- Haúla F Haider
- ENT Department, Hospital Cuf Infante Santo, NOVA Medical School, Lisbon, Portugal
| | - Marisa Flook
- Deafness Research Group, BTR Unit, BioISI, Faculty of Sciences, University of Lisbon (FCUL), Lisbon, Portugal
| | | | - Diogo Ribeiro
- ENT Department, Hospital Cuf Infante Santo, NOVA Medical School, Lisbon, Portugal
| | - Marilia Antunes
- Centro de Estatística e Aplicações, Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | | | - Derek J Hoare
- NIHR Nottingham Biomedical Research Centre, Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Graça Fialho
- Deafness Research Group, BTR Unit, BioISI, Faculty of Sciences, University of Lisbon (FCUL), Lisbon, Portugal
| | - João C Paço
- ENT Department, Hospital Cuf Infante Santo, NOVA Medical School, Lisbon, Portugal
| | - Helena Caria
- Deafness Research Group, BTR Unit, BioISI, Faculty of Sciences, University of Lisbon (FCUL), Lisbon, Portugal.,ESS/IPS- Biomedical Sciences Department, School of Health, Polytechnic Institute of Setubal, Setubal, Portugal
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Loprinzi PD, Joyner C. Relationship Between Objectively Measured Physical Activity, Cardiovascular Disease Biomarkers, and Hearing Sensitivity Using Data From the National Health and Nutrition Examination Survey 2003-2006. Am J Audiol 2017; 26:163-169. [PMID: 28510710 DOI: 10.1044/2017_aja-16-0057] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 01/28/2017] [Indexed: 12/16/2022] Open
Abstract
PURPOSE Limited research has examined the interrelationships among cardiometabolic parameters, physical activity, and hearing function, which was this study's purpose. METHOD Data from the National Health and Nutrition Examination Survey (NHANES) 2003-2006 were used in the path analyses. Physical activity and hearing function were both objectively measured. Various cardiometabolic parameters were assessed from a blood sample. Adults 30-85 years (N = 1,070) constituted the analytic sample. RESULTS Physical activity was negatively associated with triglycerides (β = -0.11, p < .05) and insulin (β = -0.27, p < .05); triglycerides (β = 0.01, p < .05), and insulin (β = 0.05, p < .05) were positively associated with high-frequency pure-tone average (HPTA). The direct path from physical activity to HPTA was nonsignificant (β = 0.01, p = .99). CONCLUSION Physical activity was associated with select cardiovascular disease risk factors. Several cardiovascular disease risk factors were associated with hearing function.
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Affiliation(s)
- Paul D. Loprinzi
- Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, Oxford
| | - Chelsea Joyner
- Department of Health, Exercise Science, and Recreation Management, The University of Mississippi, Oxford
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Tavanai E, Mohammadkhani G. Role of antioxidants in prevention of age-related hearing loss: a review of literature. Eur Arch Otorhinolaryngol 2016; 274:1821-1834. [PMID: 27858145 DOI: 10.1007/s00405-016-4378-6] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Accepted: 11/08/2016] [Indexed: 01/21/2023]
Abstract
Age-related hearing loss (ARHL), also known as presbycusis, is one of the most prevalent chronic degenerative conditions. It is characterized by a decline in auditory function. ARHL is caused by the interaction of multiple factors, including cochlear aging, environment, genetic predisposition, and health comorbidities. The primary pathology of ARHL includes the hair cells loss, stria vascularis atrophy, and loss of spiral ganglion neurons as well as the changes in central auditory pathways. The research to date suggests that oxidative stress and mitochondrial DNA deletion (mtDNA) play a major role in pathophysiology of ARHL. Therefore, similar to other otological conditions, several studies have also showed that antioxidants can slow ARHL, but some also indicate that antioxidant therapy is not a magic elixir that will prevent or treat hearing loss associated with aging completely, but why? All available clinical trials, including animal and human studies, in English language that examined the protective effects of antioxidants against ARHL were reviewed. Materials were obtained by searching ELSEVIER, PubMed, Scopus, Web of knowledge, Google Scholar databases, Clinical trials, and Cochrane database of systematic reviews. Although ARHL has been shown to be slowed by supplementation with antioxidants, particularly in laboratory animals, a few studies have investigated the effect of interventions against ARHL in humans. High-quality clinical trials are needed to investigate if ARHL can be delayed or prevented in humans. However, it seems that targeting several cell-death pathways is better than targeting the only oxidative stress pathway.
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Affiliation(s)
- Elham Tavanai
- Department of Audiology, School of Rehabilitation, Tehran University of Medical Sciences, Piche-Shemiran, Enghelab Ave, Tehran, Iran
| | - Ghassem Mohammadkhani
- Department of Audiology, School of Rehabilitation, Tehran University of Medical Sciences, Piche-Shemiran, Enghelab Ave, Tehran, Iran.
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Jia X, Su C, Wang Z, Wang H, Jiang H, Zhang B. Evaluation of dietary cholesterol intake in elderly Chinese: a longitudinal study from the China Health and Nutrition Survey. BMJ Open 2016; 6:e011074. [PMID: 27507232 PMCID: PMC4985986 DOI: 10.1136/bmjopen-2016-011074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 07/28/2016] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE This study aimed to evaluate daily cholesterol intake across demographic factors and its food sources in elderly Chinese. DESIGN A longitudinal study was conducted using demographic and dietary data for elders aged 60 and above from eight waves (1991-2011) of the China Health and Nutrition Survey. SETTING The data were derived from urban and rural communities of nine provinces (autonomous regions) in China. PARTICIPANTS There were 16 274 participants (7657 male and 8617 female) in this study. OUTCOMES The primary outcome was daily cholesterol intake, which was calculated by using the Chinese Food Composition Table, based on dietary data. RESULTS Daily consumption of cholesterol in the elderly significantly increased by 34% from 1991 to 2011 (p<0.0001) and reached 253.9 mg on average in 2011. Secular trends in the proportion of subjects with an intake of >300 mg/day increased significantly during 1991-2011 (p<0.0001). The major food sources of cholesterol by ranked order were eggs, pork, and fish and shellfish in 1991 and 2011, while organ meats which ranked fourth in the contribution to total intake in 1991 was replaced by poultry in 2011. Moreover, younger elders, male elders and elders from a high-income family or a highly urbanised community had higher cholesterol intakes and larger proportions of subjects with excessive cholesterol consumption in each survey year. CONCLUSIONS The large growth in daily cholesterol intake may pose major challenges for the health of elders in China. Reduced exposure to food enriched in cholesterol is required for elderly Chinese.
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Affiliation(s)
- Xiaofang Jia
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Chang Su
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zhihong Wang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Huijun Wang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Hongru Jiang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Bing Zhang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China
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35
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Low-fat and low-protein diets are associated with hearing discomfort among the elderly of Korea. Br J Nutr 2015; 114:1711-7. [PMID: 26388267 DOI: 10.1017/s0007114515003463] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Research on the effect of low-fat intake on hearing is limited. This study aimed to elucidate the relationship between fat, carbohydrate and protein intake and the presence of hearing discomfort among the elderly. The Korean National Health and Nutrition Examination Survey was conducted from 2009 through to 2012. A total of 4615 participants ranging in age from 60 to 80 years underwent a pure-tone audiometric evaluation, a physical examination and a nutritional survey. The associations between the participants' hearing thresholds and their protein/fat/carbohydrate intake/total energy intake were analysed using simple and multiple regression models with complex sampling adjusted for confounding factors, such as BMI, income level, smoking status and a history of hypertension, hyperlipidaemia and diabetes. Low fat and protein intakes were associated with hearing discomfort (OR 0·82, 95 % CI 0·71, 0·96, P=0·011; OR 0·81, 95 % CI 0·67, 0·96, P=0·017, respectively). This study revealed that low fat and protein intakes are associated with hearing discomfort in the elderly Korean population.
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36
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Yang CH, Schrepfer T, Schacht J. Age-related hearing impairment and the triad of acquired hearing loss. Front Cell Neurosci 2015; 9:276. [PMID: 26283913 PMCID: PMC4515558 DOI: 10.3389/fncel.2015.00276] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Accepted: 07/06/2015] [Indexed: 02/03/2023] Open
Abstract
Understanding underlying pathological mechanisms is prerequisite for a sensible design of protective therapies against hearing loss. The triad of age-related, noise-generated, and drug-induced hearing loss displays intriguing similarities in some cellular responses of cochlear sensory cells such as a potential involvement of reactive oxygen species (ROS) and apoptotic and necrotic cell death. On the other hand, detailed studies have revealed that molecular pathways are considerably complex and, importantly, it has become clear that pharmacological protection successful against one form of hearing loss will not necessarily protect against another. This review will summarize pathological and pathophysiological features of age-related hearing impairment (ARHI) in human and animal models and address selected aspects of the commonality (or lack thereof) of cellular responses in ARHI to drugs and noise.
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Affiliation(s)
- Chao-Hui Yang
- Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan Ann Arbor, MI, USA ; Division of Otology, Department of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine Kaohsiung, Taiwan
| | - Thomas Schrepfer
- Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan Ann Arbor, MI, USA
| | - Jochen Schacht
- Department of Otolaryngology, Kresge Hearing Research Institute, University of Michigan Ann Arbor, MI, USA
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Health-related quality of life in older adults: Effects of hearing loss and common chronic conditions. ACTA ACUST UNITED AC 2015; 4. [PMID: 28042552 PMCID: PMC5201192 DOI: 10.12715/har.2015.4.4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Background Recent findings on hearing loss (HL) and healthy aging have highlighted important clinical and policy implications concerning quality of life in older adults. Our objective was to explore the impact of HL on quality of life in older Americans, independent of survival, using the 2000 Medical Expenditure Panel Survey (MEPS) and 2010 Census data. Methods A retrospective cohort of 2,567 subjects aged 60–90 in the MEPS who provided information on self-reported HL, health-related quality of life and chronic conditions. The EQ-5D visual analog scale (VAS) transformation was used to estimate marginal utility decrements for 5-year age categories and conditions, including HL, hypertension, diabetes, angina, joint pain, asthma, emphysema, or blindness. The modeled decrements were applied to the 2010 US census population to estimate annual quality-adjusted life years (QALYs) lost. Results Of the respondents, 15.4% had mild HL and 1.1% had moderate/severe hearing loss. Other conditions (utility decrement) included: joint pain 53% (.0643), hypertension 47.2% (.0292), diabetes 15.6% (.0577), angina 9.8% (.0352), asthma 7.9% (.0288), emphysema 4.5% (.1186), blindness 0.8% (.0836), and average age 71.0 with decrements .0033 per year. The decrement from hearing loss ranked 4th at 174,689 in the US population. Conclusions The substantial impact of hearing loss on healthy aging may not be obvious when quality of life decrements include survival or when diluted with younger populations. Careful consideration of clinical interventions for age-related HL is warranted and further research is needed on the effect of HL on quality of life in otherwise healthy older adults.
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Fujita T, Yamashita D, Uehara N, Inokuchi G, Hasegawa S, Otsuki N, Nibu KI. A high-fat diet delays age-related hearing loss progression in C57BL/6J mice. PLoS One 2015; 10:e0117547. [PMID: 25625852 PMCID: PMC4308197 DOI: 10.1371/journal.pone.0117547] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 12/29/2014] [Indexed: 11/24/2022] Open
Abstract
Objective Age-related hearing loss (AHL), or presbycusis, is the most common sensory disorder among the elderly. We used C57BL/6J mice as an AHL model to determine a possible association between AHL and a high-fat diet (HFD). Methods Forty C57BL/6J mice were randomly assigned to a control or HFD group. Each group was divided into the following subgroups: 1-, 3-, 5- and 12-month groups (HFD, n = 5/subgroup; control, n = 5/subgroup). Nine CBA/N-slc mice were also used as a 12-month control (n = 5) or 12-month HFD (n = 4) group. The mice were fed a HFD or normal (control) diet throughout this study. Hearing function was evaluated at 1, 3, 5 and 12 months using auditory evoked brainstem responses (ABRs). Spiral ganglion cells (SGCs) were also counted. Results The elevation of ABR thresholds (at 4 and 32 kHz) at 3 and 5 months was significantly suppressed in the HFD group compared with the control groups for C57BL/6J mice. After 12 months, the elevation of ABR thresholds was significantly suppressed in the HFD group at all frequencies for C57BL/6J mice. In contrast, CBA/N-slc mice displayed opposite outcomes, as ABR thresholds at all frequencies at 12 months were significantly elevated in the HFD group compared with the control group. For the C57BL/6J mice at 12 months, SGC numbers significantly decreased in all parts of the cochleae in the control group compared with the HFD groups. In contrast, for the CBA/N-slc mice, SGC numbers significantly decreased, particularly in the upper parts of the cochleae in the HFD group compared with the control groups. Conclusions The elevation in ABR thresholds and SGC loss associated with aging in the HFD-fed C57BL/6J mice were significantly suppressed compared with those in the normal diet-fed mice. These results suggest that HFD delays AHL progression in the C57B/6J mice.
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Affiliation(s)
- Takeshi Fujita
- Department of Otolaryngology-Head and Neck Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Daisuke Yamashita
- Department of Otolaryngology-Head and Neck Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
- * E-mail:
| | - Natsumi Uehara
- Department of Otolaryngology-Head and Neck Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Go Inokuchi
- Department of Otolaryngology-Head and Neck Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shingo Hasegawa
- Department of Otolaryngology-Head and Neck Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Naoki Otsuki
- Department of Otolaryngology-Head and Neck Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ken-ichi Nibu
- Department of Otolaryngology-Head and Neck Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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McCormack A, Edmondson-Jones M, Mellor D, Dawes P, Munro KJ, Moore DR, Fortnum H. Association of dietary factors with presence and severity of tinnitus in a middle-aged UK population. PLoS One 2014; 9:e114711. [PMID: 25503070 PMCID: PMC4264778 DOI: 10.1371/journal.pone.0114711] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 11/12/2014] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE The impact of dietary factors on tinnitus has received limited research attention, despite being a considerable concern among people with tinnitus and clinicians. The objective was to examine the link between dietary factors and presence and severity of tinnitus. DESIGN This study used the UK Biobank resource, a large cross-sectional study of adults aged 40-69. 171,722 eligible participants were asked questions specific to tinnitus (defined as noises such as ringing or buzzing in the head or ears). Dietary factors included portions of fruit and vegetables per day, weekly fish consumption (oily and non-oily), bread type, cups of caffeinated coffee per day, and avoidance of dairy, eggs, wheat and sugar. We controlled for lifestyle, noise exposure, hearing, personality and comorbidity factors. RESULTS Persistent tinnitus, defined as present at least a lot of the time, was elevated with increased: (i) fruit/vegetable intake (OR = 1.01 per portion/day), (ii) bread (wholemeal/wholegrain, OR = 1.07; other bread, 1.20) and (iii) dairy avoidance (OR = 1.27). Persistent tinnitus was reduced with: (i) fish consumption (non-oily, OR = 0.91; oily, 0.95), (ii) egg avoidance (OR = 0.87) and (iii) caffeinated coffee consumption (OR = 0.99 per cup/day). Reports of “bothersome” tinnitus (moderate-severe handicap) reduced with wholemeal/wholegrain bread intake (OR = 0.86) [corrected].Reports of less frequent transient tinnitus increased with dairy avoidance (OR = 1.18) and decreased with caffeinated coffee (OR = 0.98 per cup/day) and brown bread (OR = 0.94). CONCLUSIONS This is the first population study to report the association between dietary factors and tinnitus. Although individually dietary associations are mostly modest, particular changes in diet, such as switching between foodstuffs, may result in stronger associations. These findings offer insights into possible dietary associations with tinnitus, and this may be useful when discussing management options in combination with other lifestyle changes and therapies.
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Affiliation(s)
- Abby McCormack
- NIHR Nottingham Hearing Biomedical Research Unit, Ropewalk House, 113 The Ropewalk, Nottingham, United Kingdom
- Otology and Hearing group, Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- MRC Institute of Hearing Research, University Park, Nottingham, United Kingdom
| | - Mark Edmondson-Jones
- NIHR Nottingham Hearing Biomedical Research Unit, Ropewalk House, 113 The Ropewalk, Nottingham, United Kingdom
- Otology and Hearing group, Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, United Kingdom
| | - Duane Mellor
- School of Biosciences, University of Nottingham, Nottingham, United Kingdom
| | - Piers Dawes
- School of Psychological Sciences, University of Manchester, Manchester, United Kingdom
| | - Kevin J. Munro
- School of Psychological Sciences, University of Manchester, Manchester, United Kingdom
- Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Oxford Road, Manchester, United Kingdom
| | - David R. Moore
- Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States of America
| | - Heather Fortnum
- NIHR Nottingham Hearing Biomedical Research Unit, Ropewalk House, 113 The Ropewalk, Nottingham, United Kingdom
- Otology and Hearing group, Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, United Kingdom
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Lipid Profile among Patients with Sudden Sensorineural Hearing Loss. Indian J Otolaryngol Head Neck Surg 2014; 66:425-8. [PMID: 26396956 DOI: 10.1007/s12070-014-0744-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Accepted: 06/24/2014] [Indexed: 10/25/2022] Open
Abstract
Associations between hearing and blood lipids have been the focus of scientific inquiry for more than 50 years. The aim of the present study is to evaluate the association between hyperlipidaemia among patients presented with sudden sensorineural hearing loss compared to normal controls. A case control study concerned with 22 patients presented with sudden sensorineural hearing loss who underwent lipid profile evaluation. The lipid profile of these patients was compared with corresponding results of 55 age matched persons (volunteers) with normal hearing. These patients were collected from the Out Patient Department of ENT at Al-Jamhory Teaching Hospital, Mosul/Iraq and private clinic of the author for the period from February 2011 to July 2013. The average age of patients was 44.7 years with a range of 26-65 years. The peak age incidence was in the 5(th) decade of life. The study included 11 male patients (50 %) and 11 females (50 %). Meanwhile, the average age of the control group was 41.7 years with 25 (45.5 %) males and 30 (54.5 %) females. Statistical analysis showed that there was significant difference between the means of lipid profile and blood sugar of the patients and the control group apart from HDL where there was no significant difference. In conclusion, hyperlipidemia seems to be significantly associated with the occurrence of sudden sensorineural hearing loss according to this study.
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Verschuur C, Agyemang-Prempeh A, Newman TA. Inflammation is associated with a worsening of presbycusis: Evidence from the MRC national study of hearing. Int J Audiol 2014; 53:469-75. [DOI: 10.3109/14992027.2014.891057] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Abstract
The term geriatric syndrome is used to characterize multifactorial clinical conditions among older people which are not subsumed readily into disease entities, but which nevertheless predispose older people to disability and death. Commonly included are frailty, dementia, delirium, incontinence, falls, and dizziness. Geriatric syndromes are common among older people: in a recent survey, 50% of those aged more than 65 had one or more of these conditions. Better methods for prevention and treatment are needed, but current strategies have lacked a coherent conceptual and diagnostic framework. Prevention and interventions need to be targeted at earlier ages, with geriatrics expertise needed in the definition and operationalization of these complex entities. In this review we consolidate evidence that vascular disorders, including vascular ageing and vascular diseases, are key etiological factors of geriatric syndromes. Identifying this vascular dimension would offer opportunities for more efficient preventive strategies and mandates earlier intervention, especially for women, among whom vascular disease is often expressed more insidiously than among men. This would entail a sensitization of the health care system to the systematic detection of the syndromes, which are currently underdiagnosed. Further disentangling of the mechanisms of vascular ageing may offer therapies for vascular diseases and geriatric syndromes alike.
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Affiliation(s)
- Timo E Strandberg
- Department of Medicine, Geriatric Clinic, University of Helsinki, and Helsinki University Hospital, Finland.
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Simpson AN, Matthews LJ, Dubno JR. Lipid and C-reactive protein levels as risk factors for hearing loss in older adults. Otolaryngol Head Neck Surg 2013; 148:664-70. [PMID: 23322627 DOI: 10.1177/0194599812473936] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To determine the role of cardiovascular disease (CVD) markers, lipids and C-reactive protein, in age-related hearing loss over time. STUDY DESIGN Prospective cohort study. SETTING Research laboratories at an academic medical center. SUBJECTS AND METHODS In total, 837 older adults (mean age 67.5 years) were included. Primary dependent variables were pure-tone thresholds (pure-tone average [PTA]), including "narrow" PTA (0.5, 1, 2, 4 kHz), "broad" PTA (0.5, 1, 2, 3, 4, 6, 8 kHz), low-frequency PTA (0.25, 0.5, 1 kHz), and high-frequency PTA (2, 3, 4, 6, 8 kHz). Repeated-measures mixed regression modeling was used to assess the relationship between C-reactive protein (CRP) and lipid levels with PTAs over time. RESULTS In a cross-sectional sample of 837 subjects, modest associations were found between triglycerides and all PTAs. Weak associations were observed between the ratio of total cholesterol and high-density lipoprotein and narrow PTA, broad PTA, and high-frequency PTA. However, when assessing changes in hearing and lipids over time in a longitudinal analysis, no significant associations between hearing and lipids remained. PTAs and CRP were not statistically associated when controlling for age and sex. CONCLUSION Associations between hearing and blood lipids have been the focus of scientific inquiry for more than 50 years. The current results suggest that the association is either spurious or too small to be of consequence in the assessment and treatment of hearing loss in older adults. Inquiry into other potential risk factors for age-related hearing loss and associations with CVD may prove more fruitful.
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Affiliation(s)
- Annie N Simpson
- Department of Healthcare Leadership and Management, Medical University of South Carolina, Charleston, South Carolina 29425-5500, USA
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Du Z, Yang Y, Hu Y, Sun Y, Zhang S, Peng W, Zhong Y, Huang X, Kong W. A long-term high-fat diet increases oxidative stress, mitochondrial damage and apoptosis in the inner ear of d-galactose-induced aging rats. Hear Res 2012; 287:15-24. [DOI: 10.1016/j.heares.2012.04.012] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Revised: 03/19/2012] [Accepted: 04/12/2012] [Indexed: 12/17/2022]
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Park J, Kim S, Park K, Choung Y, Jou I, Park S. Pravastatin attenuates noise-induced cochlear injury in mice. Neuroscience 2012; 208:123-32. [DOI: 10.1016/j.neuroscience.2012.02.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2011] [Revised: 01/19/2012] [Accepted: 02/06/2012] [Indexed: 11/26/2022]
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