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Xu Z, Chu W, Lei X, Chen C. Higher oxidative balance score was associated with decreased risk of erectile dysfunction: a population-based study. Nutr J 2024; 23:54. [PMID: 38760760 PMCID: PMC11102141 DOI: 10.1186/s12937-024-00956-y] [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: 03/17/2023] [Accepted: 05/02/2024] [Indexed: 05/19/2024] Open
Abstract
BACKGROUND Erectile dysfunction (ED) is a prevalent condition that is thought to be significantly impacted by oxidative stress. The oxidative balance score (OBS) has been built to characterize the state of antioxidant/pro-oxidant balance. There is less known regarding the relationship of OBS with ED. METHODS This study conducted cross-sectional analyses on 1860 males who participated in the National Health and Nutrition Examination Survey (NHANES) from 2001 to 2004. OBS was constructed by the 16 dietary components and 4 lifestyle factors. Self-reported ED was defined as men who indicated that they "never" or "sometimes" could achieve or keeping an erection adequate for satisfactory intercourse. Multivariate logistic regression models were applied to examine the association between OBS and the risk of ED. RESULTS Among 1860 participants, the median OBS was 20 (IQR 15-26), and OBS was lower in males with ED vs. those without ED (P = 0.001). The results of our analyses indicated a negative correlation between OBS and ED among male subjects. Specifically, each one-unit increase in the continuous OBS was relate to 3% reduction in the odds of ED after full adjustment. Moreover, when extreme OBS quartiles were compared, the adjusted odds ratio (95% confidence interval) for the 4th OBS category was 0.53 (0.32 to 0.88) after full adjustment (P for trend < 0.05). There was also statistical significance in the relationships between dietary/lifestyle OBS with ED, and the association between lifestyle OBS and ED may be even tighter. For each unit increase in lifestyle OBS, the odds of ED decreased by 11% after full adjustment. CONCLUSION Higher OBS was associated with reduced risk of ED in U.S. males. These findings suggested that adopting an antioxidant-rich diet and engaging in antioxidant-promoting lifestyle behaviors may contribute to a lower incidence of ED. These results provided recommendations for a comprehensive dietary and lifestyle antioxidants for ED patients.
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Affiliation(s)
- Zhixiao Xu
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Weiwei Chu
- Department of Pulmonary and Critical Care Medicine, The Lu 'an People's Hospital of Anhui Province, The Lu 'an Hospital Affiliated to Anhui Medical University, Lu 'an, China
| | - Xiong Lei
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chengshui Chen
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
- Key Laboratory of Interventional Pulmonology of Zhejiang Province, Wenzhou, China.
- Zhejiang Province Engineering Research Center for Endoscope Instruments and Technology Development, The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People's Hospital, Quzhou, China.
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Musa Obadia P, Pyana Kitenge J, Carsi Kuhangana T, Kalenga Ilunga G, Billen J, Kayembe-Kitenge T, Haufroid V, Mukalay wa Mukalay A, Ris L, Banza Lubaba Nkulu C, Nemery B, Enzlin P. Erectile dysfunction in copper and cobalt miners: a cross-sectional study in the former Katanga province, Democratic Republic of the Congo. Sex Med 2023; 11:qfad052. [PMID: 37869070 PMCID: PMC10588613 DOI: 10.1093/sexmed/qfad052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/05/2023] [Accepted: 09/12/2023] [Indexed: 10/24/2023] Open
Abstract
Background The African Copperbelt is a site of intense artisanal and industrial mining and refining of copper and cobalt. Aim We aimed to investigate factors that are possibly associated with erectile dysfunction (ED) in metal miners in the former Katanga province of the Democratic Republic of the Congo. Methods In a cross-sectional study of 138 miners and 139 controls (bakers), we administered questionnaires to obtain sociodemographic and occupational data and to assess male sexual function (International Index of Erectile Function [IIEF]) and marital relation quality (Revised Dyadic Adjustment Scale). Furthermore, we measured trace metals in blood and urine, as well as testosterone and thyroid hormones in serum. Outcomes Outcomes included the prevalence of questionnaire-derived ED and the relation of ED with individual characteristics, serum testosterone, and environmental factors. Results Miners were on average 4 years older than bakers (mean ± SD, 37.5 ± 6.9 vs 33.3 ± 5.7 years). Miners had significantly lower scores than bakers on the IIEF (median [IQR], 66 [49-73] vs 73 [66-74]) and the 3 domains of the Revised Dyadic Adjustment Scale (consensus, satisfaction, cohesion). Free testosterone was significantly lower in miners than bakers (ng/dL; 8.11 [6.90-10.10] vs 10.52 [8.83-12.58]; P ˂ .001). In miners, sex hormone-binding globulin correlated positively with blood Pb and urinary Cd. In a multivariable analysis, mild to moderate ED or moderate ED (IIEF-erectile function score ≤18) was significantly associated with having a mining-related job (adjusted odds ratio [aOR], 2.6; 95% CI, 1.3-5.3), work seniority ˃5 years (aOR, 2.3; 95% CI, 1.1-4.6), alcohol consumption (aOR, 2.8; 95% CI, 1.2-6.7), and aphrodisiacs use (aOR, 4.2; 95% CI, 2.2-8.0). Mediation analysis showed that marital relationship partially mediated the relation between work seniority >5 years in mining and ED. Clinical Implications The high prevalence of ED found in artisanal mine workers indicates that work-related factors should be considered as possibly contributing, directly or indirectly, to sexual dysfunction in men. Strengths and Limitations Strengths include being the first epidemiologic study documenting ED with validated questionnaires and its possible determinants, including exposure to toxic metals, among young artisanal miners vs a suitable control group. Limitations are the cross-sectional design with convenience sampling and absence of objective confirmation of ED. Conclusion As compared with controls, miners reported poorer sexual function and lower quality of their marital relationship, and they had lower free testosterone levels, which may be due to their high exposure to trace metals.
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Affiliation(s)
- Paul Musa Obadia
- Unité de Toxicologie et Environnement, Ecole de Santé Publique, Université de Lubumbashi, 1825 Lubumbashi, Democratic Republic of the Congo
- Department of Public Health and Primary Care, Centre for Environment and Health, KU Leuven, 3000 Leuven, Belgium
| | - Joseph Pyana Kitenge
- Department of Public Health and Primary Care, Centre for Environment and Health, KU Leuven, 3000 Leuven, Belgium
- Unité de Santé au travail et Santé environnementale, Département de Santé Publique, Faculté de Médecine, Université de Lubumbashi, 1825 Lubumbashi, Democratic Republic of the Congo
| | - Trésor Carsi Kuhangana
- Unité de Toxicologie et Environnement, Ecole de Santé Publique, Université de Lubumbashi, 1825 Lubumbashi, Democratic Republic of the Congo
- Department of Public Health and Primary Care, Centre for Environment and Health, KU Leuven, 3000 Leuven, Belgium
- Ecole de Santé Publique, Université de Kolwezi, 07301 Kolwezi, Democratic Republic of the Congo
| | - Georges Kalenga Ilunga
- Unité de Toxicologie et Environnement, Ecole de Santé Publique, Université de Lubumbashi, 1825 Lubumbashi, Democratic Republic of the Congo
| | - Jaak Billen
- Department of Laboratory Medicine, Leuven University Hospitals, 3000 Leuven, Belgium
| | - Tony Kayembe-Kitenge
- Unité de Toxicologie et Environnement, Ecole de Santé Publique, Université de Lubumbashi, 1825 Lubumbashi, Democratic Republic of the Congo
- Institut Supérieur des Techniques Médicales, 4748 Lubumbashi, Democratic Republic of the Congo
| | - Vincent Haufroid
- Toxicology and Applied Pharmacology, Université catholique de Louvain, 1200 Brussels, Belgium
| | - Abdon Mukalay wa Mukalay
- Unité d’Epidémiologie clinique et Pathologies tropicales, Département de Santé Publique, Faculté de Médecine, Université de Lubumbashi, 1825 Lubumbashi, Democratic Republic of the Congo
| | - Laurence Ris
- Département de Neurosciences, Faculté de Médecine, Université de Mons, 7000 Mons, Belgium
| | - Célestin Banza Lubaba Nkulu
- Unité de Toxicologie et Environnement, Ecole de Santé Publique, Université de Lubumbashi, 1825 Lubumbashi, Democratic Republic of the Congo
| | - Benoit Nemery
- Department of Public Health and Primary Care, Centre for Environment and Health, KU Leuven, 3000 Leuven, Belgium
| | - Paul Enzlin
- Institute for Family and Sexuality Studies, Department of Neurosciences, KU Leuven, 3000 Leuven, Belgium
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Liu RJ, Li SY, Xu ZP, Yu JJ, Mao WP, Sun C, Xu B, Chen M. Dietary metal intake and the prevalence of erectile dysfunction in US men: Results from National Health and Nutrition Examination Survey 2001-2004. Front Nutr 2022; 9:974443. [PMID: 36407550 PMCID: PMC9668876 DOI: 10.3389/fnut.2022.974443] [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: 06/24/2022] [Accepted: 10/20/2022] [Indexed: 08/30/2023] Open
Abstract
BACKGROUND Erectile dysfunction (ED) mainly affects men over 40 years of age and is a common clinical condition. In addition to hypertension and diabetes, environment, and lifestyle are also significantly associated with erectile dysfunction. The relationship between dietary trace metal intake and ED has not been studied. MATERIALS AND METHODS Data on participants were obtained from the National Health and Nutrition Examination Survey for this study, and those with incomplete information on clinical variables were excluded. Dose-response curve analysis was used to investigate the relationship between dietary trace metal intake and ED prevalence. Multivariate logistic regression analysis was used to adjust for confounders to further investigate the relationship between dietary trace metal intake and ED prevalence. 1:1 propensity score matching (PSM) was performed to adjust for differences between clinical variables for data reanalysis to confirm the reliability of the results. RESULTS A total of 3,745 individuals were included in the study, including 1096 ED patients and 2,649 participants without ED. Dietary intake of trace metals (Mg, Zn, Cu, and Se) was significantly higher in participants without ED than in ED patients (all P < 0.001). Dose-response curve analysis showed a significant negative association between these dietary metal intakes and ED prevalence (all P < 0.001). Multivariate logistic regression analysis adjusted for confounders (age, education, BMI, annual household income, hypertension, diabetes, marital status, race, and current health status) revealed that increased dietary metal intake reduced the odds ratio of ED. 1:1 PSM reanalysis further confirmed the validity of the results. CONCLUSION Increasing dietary intake of trace metals (magnesium, zinc, copper, and selenium) within the upper limit is beneficial in reducing the prevalence of ED.
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Affiliation(s)
- Rui-Ji Liu
- Department of Urology, People’s Hospital of Putuo District, Shanghai, China
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, China
- Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China
| | - Shu-Ying Li
- Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, Cancer Hospital Affiliate to School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhi-Peng Xu
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, China
- Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China
| | - Jun-Jie Yu
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, China
- Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China
| | - Wei-Pu Mao
- Department of Urology, People’s Hospital of Putuo District, Shanghai, China
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, China
- Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China
| | - Chao Sun
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, China
- Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China
| | - Bin Xu
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, China
- Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China
| | - Ming Chen
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing, China
- Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China
- Nanjing Lishui District People’s Hospital, Zhongda Hospital Lishui Branch, Southeast University, Nanjing, China
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