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Kim K, Choi SH. Cardiometabolic diseases according to the type and degree of hearing loss in noise-exposed workers. Ann Occup Environ Med 2024; 36:e3. [PMID: 38501044 PMCID: PMC10948219 DOI: 10.35371/aoem.2024.36.e3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 01/30/2024] [Accepted: 02/07/2024] [Indexed: 03/20/2024] Open
Abstract
Background This study aimed to determine the association between cardiometabolic diseases, including metabolic syndrome, hypertension, and diabetes, and the type and degree of hearing loss in noise-exposed workers. Methods A total of 237,028 workers underwent air conduction pure tone audiometry in 2015 to assess their health and diagnose cardiometabolic diseases. The study defined metabolic syndrome, hypertension, and diabetes using blood pressure, fasting blood sugar, cholesterol, and triglyceride levels. Mid-frequency hearing loss was defined as ≥ 30 dB at 2,000 Hz, whereas high-frequency hearing loss was ≥ 40 dB at 4,000 Hz. The average air conduction hearing thresholds at these frequencies were used to determine hearing loss degrees. Results The odds ratio (OR) of combined exposure to noise and night-shift work in all cardiometabolic diseases was higher than that of noise exposure alone. The risk of cardiometabolic diseases was dose-response, with higher hearing loss causing higher ORs. The ORs of hypertension compared with the normal group were 1.147 (1.098-1.198), 1.196 (1.127-1.270), and 1.212 (1.124-1.306), and those of diabetes were 1.177 (1.119-1.239), 1.234 (1.154-1.319), and 1.346 (1.241-1.459) for mild, moderate, and moderate-severe hearing loss, respectively. Conclusions Workers who are exposed to noise tend to demonstrate high risks of hearing loss and cardiometabolic diseases; thus, bio-monitoring of cardiometabolic diseases, as well as auditory observation, is necessary.
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Affiliation(s)
- KyooSang Kim
- Department of Occupational and Environmental Medicine, Seoul Medical Center, Seoul, Korea
- Medical Research Institute, Seoul Medical Center, Seoul, Korea
| | - Sun-Haeng Choi
- Department of Occupational and Environmental Medicine, Chungbuk National University Hospital, Chungju, Korea
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Ozdemir O, Ucar A, Cakir AD, Misir E, Yigit O. The association of metabolic syndrome status with sensorineural hearing loss in pediatric obese patients. Int J Pediatr Otorhinolaryngol 2023; 165:111454. [PMID: 36696712 DOI: 10.1016/j.ijporl.2023.111454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/31/2022] [Accepted: 01/19/2023] [Indexed: 01/22/2023]
Abstract
OBJECTIVES The prevalences of pediatric obesity and its associated comorbidities such as metabolic syndrome (metS) are rising. The aim of this study was to evaluate the association of metS status with sensorineural hearing loss in pediatric obese patients. METHODS A two-center observationalprospective study was designed. In this study, 252 consecutive treatment-naive pediatric obese patients aged 5.8-17.8 yr in a tertiary pediatric Endocrinology outpatient clinic were prospectively enrolled. Following standard clinical and biochemical evaluations, the obese patients were diagnosed as having metabolic syndrome (metS) or not according to Internetional Diabetes Federation Criteria. All the patients were evaluated with tympanometry and pure tone audiometry tests after otomicroscopic examination. Comparative analyses of audiometric evaluations were performed between metS+ and metS- subgroups of the obese patients. RESULTS The median age of the patients was 12.5 yr (range: 6.0-17.8 yr) and 56.3% of the patients were male. Metabolic syndrome was diagnosed in 82 (32.5%) patients. Age, gender distribution, history of the ventilation tube, and pubertal stage of the metS + patients and metS- counterparts were not statistically different (p > 0.05 for all). Pure tone hearing thresholds at all frequencies (125, 250, 500, 1k, 2k, 4k, 8k) were significantly higher in the metS + group then the metS- group (p˂0.05 for all). The tympanometry results were not statistically different between the two groups (p˃0.05). Abdominal obesity, hypertension, fasting hyperglycemia and dyslipidemia were not associated with increased hearing thresholds in metS + patients (p˃0.05 for all). CONCLUSION Metabolic syndrome was associated with increased rates of subclinical hearing loss in our cohort. None of the investigated metS components emerged as a positive association with hearing loss in our cohort. Longitudinal follow-up of our cohort may help probe the causality of the association we found.
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Affiliation(s)
- Ozan Ozdemir
- University of Health Sciences Istanbul Teaching and Research Hospital, Department of Otorhinolaryngology, Istanbul, Turkey.
| | - Ahmet Ucar
- University of Health Sciences Sisli Etfal Training and Research Hospital, Department of Pediatric Endocrinology, Istanbul, Turkey.
| | - Aydilek Dagdeviren Cakir
- University of Health Sciences Sisli Etfal Training and Research Hospital, Department of Pediatric Endocrinology, Istanbul, Turkey.
| | - Esra Misir
- University of Health Sciences Istanbul Teaching and Research Hospital, Department of Otorhinolaryngology, Istanbul, Turkey.
| | - Ozgur Yigit
- University of Health Sciences Istanbul Teaching and Research Hospital, Department of Otorhinolaryngology, Istanbul, Turkey.
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Park CH, Yoon KJ, Lee YT, Jin SM, Lee SH, Kim TH. Impact of Low Skeletal Muscle Mass and Obesity on Hearing Loss in Asymptomatic Individuals: A Population-Based Study. Healthcare (Basel) 2022; 10:healthcare10102022. [PMID: 36292469 PMCID: PMC9601859 DOI: 10.3390/healthcare10102022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 10/01/2022] [Accepted: 10/11/2022] [Indexed: 11/04/2022] Open
Abstract
The relationship between low muscle mass (LMM) with obesity and hearing loss has been poorly studied. We aimed to investigate the association of LMM and obesity on hearing loss in the general population. A total of 265,792 adults who underwent a hearing test and body composition analyses were included. Pre-sarcopenia was defined as having an appendicular muscle mass index <5.7 kg/m2 for women and <7.0 kg/m2 for men, and obesity as a body mass index ≥25 kg/m2, while pre-sarcopenic obesity was defined as the co-presence of LMM and obesity. Participants were divided into four groups according to the presence of pre-sarcopenia and/or obesity. The prevalence of hearing loss was 1.8% in the control, 2.5% in the pre-sarcopenia alone, 3.0% in the obesity alone, and 6.2% in the pre-sarcopenic obesity group (p < 0.001). Hearing Thresholds were the highest in the pre-sarcopenic obesity group compared with the other three groups. In multivariable-adjusted models, the risk of hearing loss was the highest in the pre-sarcopenic obesity group (odds ratio: 1.30 [95% confidence interval: 1.10−1.56]), followed by the obesity alone (1.20 [1.12−1.28]) and pre-sarcopenia alone (1.19 [1.06−1.34]) group compared with the control group (p < 0.001). Pre-sarcopenic obesity was independently associated with a higher prevalence of hearing loss, supporting pre-sarcopenic obesity itself as a risk for the decline in hearing function.
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Affiliation(s)
- Chul-Hyun Park
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
| | - Kyung Jae Yoon
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
| | - Yong-Taek Lee
- Department of Physical and Rehabilitation Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
| | - Sung Min Jin
- Department of Otorhinolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
| | - Sang Hyuk Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
| | - Tae Hwan Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea
- Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 06351, Korea
- Correspondence: ; Tel.: +82-2-3410-3579
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He L, Xing Y, Ren X, Zheng M, Yu S, Wang Y, Xiu Z, Dong Y. Mulberry Leaf Extract Improves Metabolic Syndrome by Alleviating Lipid Accumulation In Vitro and In Vivo. Molecules 2022; 27:5111. [PMID: 36014355 PMCID: PMC9416217 DOI: 10.3390/molecules27165111] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/04/2022] [Accepted: 08/09/2022] [Indexed: 01/14/2023] Open
Abstract
Metabolic syndrome (MS) is a metabolic disease with multiple complications. Mulberry leaf extract (MLE) is rich in flavonoids and has great potential in alleviating glucose and lipid metabolism disorders. This study evaluated the effect and mechanism of MLE on the alleviation of MS. The components of the MLE were analyzed, and then the regulation of lipid metabolism by MLE in vitro and in vivo was determined. In a hepatocyte model of oleic acid-induced lipid accumulation, it was found that MLE alleviated lipid accumulation and decreased the expression of genes involved in lipogenesis. Furthermore, MLE improved obesity, insulin resistance, plasma lipid profile, and liver function in MS mice after a 15-week intervention. MLE decreased the expression of SREBP1, ACC, and FAS through the AMPK signaling pathway to inhibit lipid synthesis and increase the level of CPT1A to promote lipid decomposition to achieve its hypolipidemic effect. Meanwhile, MLE was also shown to affect the composition of the gut microbiota and the production of short-chain fatty acids, which contributed to the alleviation of lipid accumulation. Our results suggest that MLE can improve MS by improving lipid metabolism through multiple mechanisms and can be developed into dietary supplements for the improvement of MS.
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Rim HS, Kim MG, Park DC, Kim SS, Kang DW, Kim SH, Yeo SG. Association of Metabolic Syndrome with Sensorineural Hearing Loss. J Clin Med 2021; 10:4866. [PMID: 34768385 DOI: 10.3390/jcm10214866] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 12/23/2022] Open
Abstract
The prevalence of sensorineural hearing loss has increased along with increases in life expectancy and exposure to noisy environments. Metabolic syndrome (MetS) is a cluster of co-occurring conditions that increase the risk of heart disease, stroke and type 2 diabetes, along with other conditions that affect the blood vessels. Components of MetS include insulin resistance, body weight, lipid concentration, blood pressure, and blood glucose concentration, as well as other features of insulin resistance such as microalbuminuria. MetS has become a major public health problem affecting 20–30% of the global population. This study utilized health examination to investigate whether metabolic syndrome was related to hearing loss. Methods: A total of 94,223 people who underwent health check-ups, including hearing tests, from January 2010 to December 2020 were evaluated. Subjects were divided into two groups, with and without metabolic syndrome. In addition, Scopus, Embase, PubMed, and Cochrane libraries were systematically searched, using keywords such as “hearing loss” and “metabolic syndrome”, for studies that evaluated the relationship between the two. Results: Of the 94,223 subjects, 11,414 (12.1%) had metabolic syndrome and 82,809 did not. The mean ages of subjects in the two groups were 46.1 and 43.9 years, respectively. A comparison of hearing thresholds by age in subjects with and without metabolic syndrome showed that the average pure tone hearing thresholds were significantly higher in subjects with metabolic syndrome than in subjects without it in all age groups. (p < 0.001) Rates of hearing loss in subjects with 0, 1, 2, 3, 4, and 5 of the components of metabolic syndrome were 7.9%, 12.1%, 13.8%, 13.8%, 15.5% and 16.3%, respectively, indicating a significant association between the number of components of metabolic syndrome and the rate of hearing loss (p < 0.0001). The odds ratio of hearing loss was significantly higher in subjects with four components of metabolic syndrome: waist circumference, blood pressure, and triglyceride and fasting blood sugar concentrations (p < 0.0001). Conclusions: The number of components of the metabolic syndrome is positively correlated with the rate of sensorineural hearing loss.
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Abstract
OBJECTIVE The objective of this systematic review and meta-analysis is to examine the association between sudden sensorineural hearing loss (SSNHL) and risk of metabolic syndrome (MetS), and the association between MetS and prognosis of SSNHL. DATABASES REVIEWED We systematically searched MEDLINE, Embase, and Cochrane Central Register electronic databases from their dates of conception to February 4, 2020. METHODS We included observational studies analyzing 1) the prevalence of MetS among SSNHL patients, or 2) the prognosis of SSNHL patients in MetS patients. A standardized form was completed in duplicate extracting data on study characteristics, participant demographics, and SSNHL outcome or recovery measures. Random-effects meta-analyses were performed pooling odds ratios using the generic inverse method. Risk of bias was assessed using the Newcastle Ottawa Scale. RESULTS Three studies examining the prevalence of MetS among patients with SSNHL (11,890 total participants; 3,034 SSNHL participants) yielded a significantly increased risk of MetS among SSNHL, with a pooled odds ratio of 1.88 (95% CI, 1.01-3.50). Three studies examining the association of SSNHL prognosis in patients with MetS (608 SSNHL participants, 234 concomitant SSNHL, and MetS participants) demonstrated that SSNHL patients with MetS were significantly more likely to have poorer recovery compared to SSNHL patients without MetS (pooled odds ratio 2.77; 95% CI, 2.33-3.28). CONCLUSION Our findings suggest an association between prevalence of MetS and SSNHL, as well as poorer prognosis of SSNHL in patients with concomitant MetS.
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Affiliation(s)
- Megan Lam
- Michael G. DeGroote School of Medicine, Faculty of Medicine
| | - Yueyang Bao
- Faculty of Health Sciences, McMaster University
| | - Gordon B Hua
- Division of Otolaryngology, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
| | - Doron D Sommer
- Division of Otolaryngology, Department of Surgery, McMaster University, Hamilton, Ontario, Canada
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Bhargava A, Faiz SM, Srivastava S, Gupta RK, Siddiqi Z, Agarwal E, Gupta S. A Clinical Study to Evaluate the Association Between Metabolic Syndrome and Sensorineural Hearing Loss. Indian J Otolaryngol Head Neck Surg 2021; 73:346-350. [PMID: 34471624 DOI: 10.1007/s12070-021-02539-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 03/29/2021] [Indexed: 11/29/2022] Open
Abstract
Metabolic syndrome is considered to be a triggering factor for deterioration of health related quality of life. In present study we assessed hearing loss consequent to metabolic syndrome. A total of 100 patients diagnosed for metabolic syndrome (IDF criteria) were included in the study. All the patients underwent pure tone audiometry and impedance audiometry. All the patients underwent anthropometric measurements, lipid profile, blood sugar and blood pressure assessments. Data was analyzed using SPSS 21.0 software. A total of 62% patients had sensorineural hearing loss. Maximum (35%) had mild hearing loss, followed by moderate hearing loss (23%). Only 4 (4%) cases had severe hearing loss. Older age, wider waist circumference, higher fasting blood glucose levels and lower blood pressure were found to be significantly associated with sensorineural hearing loss and its severity on univariate analysis. However, on multivariate assessment only age and waist circumference showed a significant association with hearing loss.
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Affiliation(s)
- Anuja Bhargava
- Department of ENT, Era's Lucknow Medical College and Hospital, Lucknow, India
| | - Syed Mohd Faiz
- Department of ENT, Era's Lucknow Medical College and Hospital, Lucknow, India
| | - Saurabh Srivastava
- Department of ENT, Era's Lucknow Medical College and Hospital, Lucknow, India
| | | | - Zeba Siddiqi
- Department of Medicine, Era's Lucknow Medical College and Hospital, Lucknow, India
| | - Ekta Agarwal
- Department of ENT, Era's Lucknow Medical College and Hospital, Lucknow, India
| | - Sneha Gupta
- Department of ENT, Era's Lucknow Medical College and Hospital, Lucknow, India
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Solis-Angeles S, Juárez-Pérez CA, Jiménez-Ramírez C, Cabello-López A, Aguilar-Madrid G, Del Razo LM. Prestin and otolin-1 proteins in the hearing loss of adults chronically exposed to lead. Toxicol Appl Pharmacol 2021; 426:115651. [PMID: 34273409 DOI: 10.1016/j.taap.2021.115651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 07/09/2021] [Accepted: 07/12/2021] [Indexed: 12/09/2022]
Abstract
BACKGROUND Some studies in animal models and humans suggest that exposure to lead is associated with hearing loss. Lead can reach the inner ear through the blood circulation; evidence suggests that lead could accumulate in the inner ear, causing inner ear damage. AIM To evaluate prestin and otolin-1 protein levels and their relationship with an increased hearing threshold in participants exposed to lead. METHODS We conducted a cross-sectional study with 315 participants from Tlaxcala, Mexico. Blood lead levels (BPb) were evaluated by graphite furnace atomic absorption spectrometry. Serum prestin and otolin-1 were quantified using ELISA. Auditory function at frequencies of 0.125 to 8 kHz was evaluated in a soundproof chamber. RESULTS Participants were classified according to BPb: group I (<10 μg/dL) had a median BPb of 6 μg/dL and prestin levels of 11.06 ng/mL. While participants in group II (≥10 μg/dL) had a median of BPb 20.7 μg/dL (p < 0.05) and prestin levels of 0.15 ng/mL (p < 0.001). Participants in both groups showed a normal hearing. Otolin-1 levels were higher for participants with normal hearing and lower for participants with hearing loss in both groups, p > 0.05. Multiple linear regression models predict an average decrease of 0.17 to 0.26 ng/mL in prestin levels per decibel increase for the frequencies evaluated. CONCLUSIONS Participants with high BPb showed an increase in hearing threshold, and prestin levels decreased proportionally to the hearing threshold increase. This is the first study to evaluate prestin as a potential biomarker for hearing damage, evaluated by audiometry, in participants with lead exposure.
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Affiliation(s)
- Soledad Solis-Angeles
- Departamento de Toxicología, Centro de Investigación y Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Mexico City, Mexico
| | - Cuauhtémoc A Juárez-Pérez
- Unidad de Investigación de Salud en el Trabajo, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico
| | - Carmina Jiménez-Ramírez
- Laboratorio de Análisis Clínico, Unidad Médica de Alta Especialidad, Hospital de Traumatología "Dr. Victorio De la Fuente Narváez", IMSS, Mexico City, Mexico
| | - Alejandro Cabello-López
- Unidad de Investigación de Salud en el Trabajo, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social (IMSS), Mexico City, Mexico
| | - Guadalupe Aguilar-Madrid
- Departamento de Salud Pública, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Luz M Del Razo
- Departamento de Toxicología, Centro de Investigación y Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Mexico City, Mexico.
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Lee YY, Choo OS, Kim YJ, Gil ES, Jang JH, Kang Y, Choung YH. Atorvastatin prevents hearing impairment in the presence of hyperlipidemia. Biochim Biophys Acta Mol Cell Res 2020; 1867:118850. [PMID: 32918982 DOI: 10.1016/j.bbamcr.2020.118850] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 09/01/2020] [Accepted: 09/04/2020] [Indexed: 02/07/2023]
Abstract
It is known that hyperlipidemia is a risk factor for sensorineural hearing loss. However, the biological mechanisms underlying hyperlipidemia and hearing impairment have not been completely elucidated in the cochlea. Based on our previous study of human subjects, elderly people taking drugs for hyperlipidemia showed better hearing than those not taking any medications. We hypothesized that drugs for hyperlipidemia, such as statins, may have the potential to prevent hearing impairment. The aim of this study was to investigate the correlation between hyperlipidemia and hearing impairment and the hearing preservation effect of atorvastatin using a hyperlipidemic mouse model with diet-induced obesity (DIO). Here, we demonstrate that DIO mice had a significant hearing impairment as well as increased levels of reactive oxygen species (ROS) and hair cell death due to reduced levels of pAKT and superoxide dismutase 2 (SOD2). However, these changes were significantly prevented by atorvastatin. Oxidative stress-induced intrinsic apoptosis was decreased by the high expression of Nrf2 and antioxidant genes, which improved mitochondrial function and ROS via activation of the PI3K-pAKT pathway by atorvastatin. Therefore, atorvastatin has the potential to prevent hearing impairment via redox balance in the presence of hyperlipidemia.
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Affiliation(s)
- Yun Yeong Lee
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea
| | - Oak-Sung Choo
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea
| | - Yeon Ju Kim
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea
| | - Eun Sol Gil
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea; Department of Biomedical Science, Ajou University Graduate School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea
| | - Jeong Hun Jang
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea
| | - Yup Kang
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea; Department of Physiology, Ajou University School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea.
| | - Yun-Hoon Choung
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Gyunggi-do 443-749, Republic of Korea; Department of Biomedical Science, Ajou University Graduate School of Medicine, Suwon, Gyunggi-do 443-749, Republic of 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Kim J, Cho IY, Yeo Y, Song YM. Relationship between Metabolic Syndrome and Hearing Loss: Korea National Health and Nutritional Survey. Korean J Fam Med 2020; 42:53-58. [PMID: 32521989 PMCID: PMC7884893 DOI: 10.4082/kjfm.19.0131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Accepted: 03/30/2020] [Indexed: 11/06/2022] Open
Abstract
Background We aimed to evaluate the association between metabolic syndrome (MetS) and hearing loss (HL) in light of noise exposure in Korean middle-aged adults. Methods Subjects were 10,356 adults (4,509 males, 5,847 females) aged 40–80 years, who completed audiometric tests and laboratory examinations as part of the Korea National Health and Nutrition Examination Survey between 2010 and 2012. MetS was defined according to the National Cholesterol Education Program-Third Adult Treatment Panel (NCEP III) and International Diabetes Federation (IDF). Low-frequency HL was defined as pure tone averages >25 decibels (dB) at low frequencies (0.5, 1, and 2 kilohertz [kHz]). High-frequency HL was defined as pure tone averages >25 dB at high frequencies (3, 4, and 6 kHz). Odd ratios (OR) and 95% confidence intervals (CI) of MetS associated with each HL type were estimated using multiple logistic regression analysis after adjusting for covariates and taking into consideration sampling weight. Results Thirty eight point one percent and 28.6% met the MetS by NCEP III and IDF criteria, respectively. Prevalence of HL was 29.3% and 63.9% for low- and high-frequency HL, respectively. MetS defined by NCEP III was associated with higher risk of high-frequency HL (OR, 1.35; 95% CI, 1.05–1.73), while MetS by IDF criteria was not. The interaction by the noise exposure on the MetS and high-frequency HL was not significant (P-interaction=0.100). There was no association between MetS and low-frequency HL, regardless of applied diagnostic criteria for MetS. Conclusion Our findings suggest MetS is associated with high-frequency HL in people with exposure to noise.
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Affiliation(s)
- Jiyoung Kim
- Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - In Young Cho
- Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yohwan Yeo
- Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yun-Mi Song
- Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Álvarez-Nava F, Racines-Orbe M, Witt J, Guarderas J, Vicuña Y, Estévez M, Lanes R. Metabolic Syndrome as a Risk Factor for Sensorineural Hearing Loss in Adult Patients with Turner Syndrome. Appl Clin Genet 2020; 13:25-35. [PMID: 32021381 PMCID: PMC6971290 DOI: 10.2147/tacg.s229828] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 12/05/2019] [Indexed: 12/30/2022]
Abstract
Background and purpose Metabolic syndrome (MetS) is a disorder associated with an increased risk of cardiovascular disease. The frequency of each component of MetS in Turner syndrome (TS) subjects is high. An elevated incidence of hearing loss has also been reported in TS. Sensorineural hearing loss (SNHL) affects at least half of young women with TS. The association between MetS and SNHL has not been previously considered in TS. The aim of this study is to evaluate the association between these two conditions. Patients and Methods Cross-sectional anthropometric, cardio-metabolic and audiological data were obtained from a cohort consisting of unrelated TS subjects (>20 years of age; n = 93). Metabolic syndrome was defined according to the International Diabetes Federation criteria. Types and severity of hearing loss were based on the American Speech Hearing Association guidelines. Results Hearing loss was detected in 74% of ears from adult TS subjects and SNHL was observed in half of our TS subjects. The prevalence of MetS in TS subjects with or without SNHL was 64% and 11%, respectively (P < 0.05). After adjusting for age, MetS was related to a ninefold increase in the odds of SNHL. This odds increased in a stepwise manner as the number of MetS components increased. Conclusion MetS and its individual components were associated factors for SNHL in TS subjects. A reduction in the number and severity of the components of MetS might potentially contribute to decreasing the progression of SNHL at younger ages, but further studies will be needed to explain the underlying pathological mechanism connecting MetS and SNHL.
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Affiliation(s)
- Francisco Álvarez-Nava
- Biological Sciences School, Faculty of Biological Sciences, Central University of Ecuador, Quito, Ecuador.,Institute of Genetic Research, University of Zulia, Maracaibo, Venezuela
| | - Marcia Racines-Orbe
- Institute of Biomedicine Research, Central University of Ecuador, Quito, Ecuador
| | - Julia Witt
- Biological Sciences School, Faculty of Biological Sciences, Central University of Ecuador, Quito, Ecuador
| | - Jéssica Guarderas
- Biological Sciences School, Faculty of Biological Sciences, Central University of Ecuador, Quito, Ecuador
| | - Yosselin Vicuña
- Institute of Biomedicine Research, Central University of Ecuador, Quito, Ecuador
| | - María Estévez
- Ecuadorian Foundation in Support of Turner Syndrome, Quito, Ecuador
| | - Roberto Lanes
- Pediatric Endocrine Unit, Hospital De Clinicas Caracas, Caracas, Venezuela
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Wang D, Zhou Y, Ma J, Xiao L, Cao L, Zhou M, Kong W, Wang Z, Li W, He M, Zhang X, Guo H, Yuan J, Chen W. Association between shift work and hearing loss: The Dongfeng-Tongji cohort study. Hear Res 2019; 384:107827. [DOI: 10.1016/j.heares.2019.107827] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 09/16/2019] [Accepted: 10/23/2019] [Indexed: 01/22/2023]
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Shin S, Lim J, Lee HW, Kim CE, Kim SA, Lee JK, Kang D. Association between the prevalence of metabolic syndrome and coffee consumption among Korean adults: results from the Health Examinees study. Appl Physiol Nutr Metab 2019; 44:1371-1378. [PMID: 31663770 DOI: 10.1139/apnm-2018-0880] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The aim of this study was to evaluate the association between the frequency and quantity of coffee consumption and metabolic syndrome (MetS) in the Health Examinees study. A total of 130 420 participants (43 682 men and 86 738 women) were included in our study. Coffee consumption was categorized into 5 categories (0, <1, 1, 2-3, and ≥4 cups/day). We calculated odds ratios (ORs) and 95% confidence intervalS (CIs) using multivariate logistic regression. In this study population, the prevalence of MetS was 12 701 (29.1%) in men and 21 338 (24.6%) in women. High coffee consumption (≥4 cups/day) was associated with a lower prevalence of MetS compared with non-coffee consumers (OR = 0.79, 95% CI = 0.70-0.90, p for trend <0.0001 in men; OR = 0.70, 95% CI = 0.62-0.78, p for trend <0.0001 in women). The multivariable-adjusted ORs for high fasting glucose decreased with increasing levels of coffee consumption in men (OR = 0.60, 95% CI = 0.54-0.67, p for trend <0.0001) and women (OR = 0.70, 95% CI = 0.63-0.79, p for trend <0.0001). For women, the multivariable-adjusted ORs for hypertriglyceridemia (OR = 0.84, 95% CI = 0.75-0.93, p for trend = 0.0007) decreased with increasing levels of coffee consumption. We found that coffee consumption was inversely associated with the prevalence of metabolic syndrome among Korean men and women. Our study warrants further prospective cohort studies.
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Affiliation(s)
- Sangah Shin
- Department of Food and Nutrition, Chung-Ang University, Gyeonggi-do, 17546 Korea
| | - Jiyeon Lim
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, 03080 Korea
| | - Hwi-Won Lee
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, 03080 Korea.,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 03080, Korea
| | - Claire E Kim
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, CA 90095, USA
| | - Seong-Ah Kim
- Department of Food and Nutrition, Chung-Ang University, Gyeonggi-do, 17546 Korea
| | - Jong-Koo Lee
- JW Lee Center for Global Medicine, Seoul National University College of Medicine, Seoul, 03080 Korea.,Department of Family Medicine, Seoul National University Hospital, Seoul, Korea
| | - Daehee Kang
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, 03080 Korea.,Department of Biomedical Sciences, Seoul National University Graduate School, Seoul 03080, Korea.,Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Korea
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Yao J, Zeng H, Zhang M, Wei Q, Wang Y, Yang H, Lu Y, Li R, Xiong Q, Zhang L, Chen Z, Xing G, Cao X, Dai Y. OSBPL2-disrupted pigs recapitulate dual features of human hearing loss and hypercholesterolaemia. J Genet Genomics 2019; 46:379-87. [PMID: 31451425 DOI: 10.1016/j.jgg.2019.06.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/03/2019] [Accepted: 06/04/2019] [Indexed: 02/06/2023]
Abstract
Oxysterol binding protein like 2 (OSBPL2), an important regulator in cellular lipid metabolism and transport, was identified as a novel deafness-causal gene in our previous work. To resemble the phenotypic features of OSBPL2 mutation in animal models and elucidate the potential genotype-phenotype associations, the OSBPL2-disrupted Bama miniature (BM) pig model was constructed using CRISPR/Cas9-mediated gene editing, somatic cell nuclear transfer (SCNT) and embryo transplantation approaches, and then subjected to phenotypic characterization of auditory function and serum lipid profiles. The OSBPL2-disrupted pigs displayed progressive hearing loss (HL) with degeneration/apoptosis of cochlea hair cells (HCs) and morphological abnormalities in HC stereocilia, as well as hypercholesterolaemia. High-fat diet (HFD) feeding aggravated the development of HL and led to more severe hypercholesterolaemia. The dual phenotypes of progressive HL and hypercholesterolaemia resembled in OSBPL2-disrupted pigs confirmed the implication of OSBPL2 mutation in nonsydromic hearing loss (NSHL) and contributed to the potential linkage between auditory dysfunction and dyslipidaemia/hypercholesterolaemia.
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17
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Jung DJ, Han KD, Cho YS, Rhee CS, Lee KY. Association of metabolic syndrome with the incidence of hearing loss: A national population-based study. PLoS One 2019; 14:e0220370. [PMID: 31348810 PMCID: PMC6660075 DOI: 10.1371/journal.pone.0220370] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 07/15/2019] [Indexed: 01/04/2023] Open
Abstract
Background & aims Sensorineural hearing loss (HL) is one of the most common public health problems, and its prevalence increases with increasing life expectancy. An association between HL and metabolic syndrome (MetS) is suspected. Although previous epidemiological studies have investigated the association between the two variables, there have been conflicting conclusions. Therefore, we aimed to evaluate the association between the presence of MetS—and individual components of MetS—and HL, using a longitudinal design and a large-scale population. Methods A total of 17,513,555 individuals who underwent national health screening between January 2009 and December 2010 were identified. Subject data from the Korean Health Insurance Review and Assessment Service were reviewed. A total of 11,457,931 subjects were ultimately included in the analysis. Baseline comorbidities were defined according to the ICD-10 code from the Korean Health Insurance Review and Assessment Service data. If the participants had an ICD-10 code for HL during the follow-up, they were defined as having incident HL. Criteria for MetS adhered to the revised National Cholesterol Education Program Adult Treatment Panel III. Results There were 7,574,432 subjects without MetS and 3,883,499 with MetS. The incidence of HL in subjects without MetS and with MetS was 1.3% and 1.8% at 1 year, 4.1% and 5.2% at 3 years, and 6.8% and 8.6% at 5 years, respectively (P < 0.001). However, multivariate analyses revealed a negative association. Analyses according to the components of MetS demonstrated a positive association for those associated with dyslipidemia; however, the others exhibited an inverse association with HL. We also performed analyses using 4 groups according to the presence of MetS and the components of dyslipidemia. Univariate analysis revealed a positive association between the presence of MetS and HL; however, multivariate analysis revealed a positive association between the presence of dyslipidemia components and HL, regardless of the presence of MetS. Conclusion Among the components of MetS, the association between low HDL or high TG levels and HL was most apparent. It is useful to evaluate each MetS component in isolation, such as the presence of low HDL or high TG levels, rather than the presence of MetS as a cluster of components.
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Affiliation(s)
- Da Jung Jung
- Department of Otorhinolaryngology-Head and Neck surgery, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Kyung Do Han
- Department of Biostatistics, College of Medicine, the Catholic University of Korea, Seoul, Korea
| | - Yang-Sun Cho
- Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sunkyunkwan University School of Medicine, Seoul, Korea
| | - Chae Seo Rhee
- Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, Korea
| | - Kyu-Yup Lee
- Department of Otorhinolaryngology-Head and Neck surgery, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
- * E-mail:
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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: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [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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Khoshbakht Z, Khashabi E, khodaie L, Torbati M, Lotfipour F, Hamishehkar H. Evaluation of Herbal Mouthwashes Containing Zataria Multiflora Boiss, Frankincense and Combination Therapy on Patients with Gingivitis: A Double-Blind, Randomized, Controlled, Clinical Trial. Galen Med J 2019; 8:e1366. [PMID: 34466501 PMCID: PMC8343817 DOI: 10.31661/gmj.v8i0.1366] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 10/20/2018] [Accepted: 01/07/2019] [Indexed: 12/24/2022] Open
Abstract
Background Dental plaques as adhesive microbial aggregates on tooth surfaces are considered the first stage of tooth decay as well as gingivitis. Accordingly, the effect of different antimicrobial mouthwashes on removing dental plaques and preventing their formation has been evaluated in various studies. This study aimed to evaluate the efficacy of herbal mouthwashes containing hydro-alcoholic extract of Zataria multiflora (ZM), Frankincense (FR), and a combination of both (ZM+FR) and compare it with chlorhexidine (CHX) mouthwash in subjects with gingivitis. Materials and Methods In this randomized, controlled, clinical trial a total of 140 patients with gingivitis were divided into four groups including CHX (control group), ZM, FR, and ZM+FR groups. Plaque index (PI), gingival index (GI), and gingival bleeding index (GBI) were measured in days 1, 14, and 21. Results All three herbal types of mouthwash significantly improved plaque, gingivitis, and gingival bleeding throughout days 14 to 21 (P<0.001). There was no difference between herbal mouthwash with CHX groups. CHX mouthwash showed the most side effects (54.3%), while ZM mouthwash showed the least side effects and the highest consumer satisfaction (5.7% and 94%, respectively). Conclusion All of the herbal mouthwashes can be good candidates for controlling gingivitis. Comparing with CHX mouthwash, herbal mouthwashes have lower side effects and negligible alcohol content. Among the herbal mouthwashes, ZM outperforms FR and FR+ZM due to its lower side effects and higher levels of patients' satisfaction.
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Affiliation(s)
- Zoleikha Khoshbakht
- Department of Phytopharmacy, Faculty of Traditional Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ehsan Khashabi
- Department of Periodontics, Faculty of Dentistry, Urmia University of Medical Sciences, Urmia, Iran
| | - Laleh khodaie
- Department of Phytopharmacy, Faculty of Traditional Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Medical Philosophy and History Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Correspondence to: Laleh khodaie, Department of Phytopharmacy, Faculty of Traditional Medicine, Tabriz University of Medical Sciences, Tabriz, Iran Telephone Number: +98- 4432240642 Email Address:
| | - Mohammadali Torbati
- Department of Food Science and Technology, Faculty of Nutrition, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farzaneh Lotfipour
- Food and Drug Safety Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Hamishehkar
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Hu H, Tomita K, Kuwahara K, Yamamoto M, Uehara A, Kochi T, Eguchi M, Okazaki H, Hori A, Sasaki N, Ogasawara T, Honda T, Yamamoto S, Nakagawa T, Miyamoto T, Imai T, Nishihara A, Nagahama S, Murakami T, Shimizu M, Akter S, Kashino I, Yamaguchi M, Kabe I, Mizoue T, Sone T, Dohi S; Japan Epidemiology Collaboration on Occupational Health Study Group. Obesity and risk of hearing loss: A prospective cohort study. Clin Nutr 2020; 39:870-5. [PMID: 30954364 DOI: 10.1016/j.clnu.2019.03.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 01/19/2019] [Accepted: 03/13/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND & AIMS The existing yet limited prospective studies reported conflicting results about obesity and hearing loss. We investigated the prospective association between obesity and hearing loss in a large-scale Japanese working population, as well as the association between metabolic phenotype and hearing loss. METHODS The study included 48,549 employees aged 20-64 years and free of hearing loss at baseline. Pure-tone audiometric testing was performed annually to identify hearing loss at 1 and 4 kHz. Cox proportional hazards regression was used to investigate the risk of hearing loss associated with body mass index (BMI) and metabolic phenotype (based on a BMI of ≥25.0/<25.0 kg/m2 and presence/absence of ≥2 components of metabolic syndrome, except waist circumference). Baseline and updated information were obtained from annual health checkups. RESULTS With a median follow-up of 7 years, 1595 and 3625 individuals developed unilateral hearing loss at 1 and 4 kHz, respectively. The adjusted hazard ratios (HR) for hearing loss at 1 kHz were 1.21 (1.08, 1.36) and 1.66 (1.33, 2.08) for those with BMI 25.0-29.9 kg/m2 and BMI ≥30.0 kg/m2, respectively, compared to individuals with BMI <25.0 kg/m2. For hearing loss at 4 kHz, the corresponding HRs were 1.14 (1.05, 1.23) and 1.29 (1.09, 1.52). Compared with metabolically healthy non-obese individuals, the adjusted HRs for hearing loss at 1 kHz were 1.19 (1.03, 1.39), 1.27 (1.01, 1.61), and 1.48 (1.25, 1.76) for unhealthy non-obese, healthy obese, and unhealthy obese individuals, respectively. For hearing loss at 4 kHz, the corresponding HRs were 1.13 (1.04, 1.25), 1.21 (1.04, 1.41), and 1.26 (1.12, 1.41). CONCLUSIONS Overweight and obesity are associated with an increased risk of hearing loss, and metabolically unhealthy obesity may confer additional risk.
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Choo O, Yoon D, Choi Y, Jo S, Jung H, An JY, Choung Y. Drugs for hyperlipidaemia may slow down the progression of hearing loss in the elderly: A drug repurposing study. Basic Clin Pharmacol Toxicol 2018; 124:423-430. [DOI: 10.1111/bcpt.13150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 10/05/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Oak‐Sung Choo
- Department of Otolaryngology Ajou University School of Medicine Suwon Gyeonggi‐do Korea
| | - Dukyong Yoon
- Department of Biomedical Informatics Ajou University School of Medicine Suwon Gyeonggi‐do Korea
- Department of Biomedical Sciences Ajou University Graduate School of Medicine Suwon Gyeonggi‐do Korea
| | - Young Choi
- Department of Biomedical Informatics Ajou University School of Medicine Suwon Gyeonggi‐do Korea
- Department of Biomedical Sciences Ajou University Graduate School of Medicine Suwon Gyeonggi‐do Korea
| | - Soojung Jo
- College of Nursing and Health Innovation Arizona State University Phoenix Arizona
| | - Ho‐Min Jung
- Department of Biomedical Informatics Ajou University School of Medicine Suwon Gyeonggi‐do Korea
| | - Jun Young An
- Department of Otolaryngology Ajou University School of Medicine Suwon Gyeonggi‐do Korea
| | - Yun‐Hoon Choung
- Department of Otolaryngology Ajou University School of Medicine Suwon Gyeonggi‐do Korea
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Kohlberg GD, Demmer RT, Lalwani AK. Adolescent Obesity Is an Independent Risk Factor for Sensorineural Hearing Loss: Results From the National Health and Nutrition Examination Survey 2005 to 2010. Otol Neurotol 2018; 39:1102-8. [DOI: 10.1097/mao.0000000000001956] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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