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Ling C, Liu Y, Yao M, Tian L. Positive association between serum bilirubin within the physiological range and serum testosterone levels. BMC Endocr Disord 2024; 24:119. [PMID: 39020370 PMCID: PMC11256393 DOI: 10.1186/s12902-024-01651-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 07/09/2024] [Indexed: 07/19/2024] Open
Abstract
BACKGROUNDS Research has demonstrated that elevated serum total bilirubin (STB) levels have a beneficial impact on various diseases, particularly metabolic syndrome. This study aims to investigate the association between STB levels and serum testosterone (STT) in order to determine if bilirubin plays a protective role in relation to testosterone deficiency (TD) risk. METHODS In this study, a total of 6,526 eligible male participants aged 20 years or older were analyzed, all of whom took part in the National Health and Nutrition Examination Survey (NHANES) conducted between 2011 and 2016. To investigate the relationship between STB and STT levels, we employed weighted multivariate regression models along with restricted cubic splines (RCS). Additionally, a subgroup analysis was conducted to explore the heterogeneity of this relationship across different subpopulations. RESULTS Among the participants, 1,832 individuals (28.07%) were identified as having testosterone deficiency (TD), defined as an STT level below 300 ng/dL. A significant positive correlation between STB and STT levels was observed in both crude and adjusted models (all P < 0.0001). The association between STB and STT levels was found to be statistically significant up to a threshold of 17.1 µmol/L, after which it became statistically insignificant(P for non-linearity = 0.0035). Weighted logistic regression analysis indicated that a 1 µmol/L increase in STB was associated with a 4% decrease in the likelihood of TD (odds ratio = 0.96, P < 0.0001). Subgroup analysis showed that the inverse relationship was limited to individuals aged 60 and over, non-smokers/drinkers, and obese individuals. CONCLUSION STB within the physiological range(17.1 µmol/L) was positively associated with STT in adult males. The potential protective role of bilirubin regarding testosterone levels merits further exploration.
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Affiliation(s)
- Cunbao Ling
- School of Basic Medical Sciences, Jiangsu Vocational College of Medicine, Yancheng, Jiangsu Province, China
| | - Yadong Liu
- Department of Urology, The Yancheng School of Clinical Medicine of Nanjing Medical University, Yancheng, Jiangsu Province, China
- Department of Urology, The sixth affiliated hospital of Nantong University, Yancheng, Jiangsu Province, China
| | - Meiling Yao
- School of Public Health and Management, Jiangsu Vocational College of Medicine, Yancheng, Jiangsu Province, China
| | - Libing Tian
- School of Basic Medical Sciences, Jiangsu Vocational College of Medicine, Yancheng, Jiangsu Province, China.
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Santi D, Cignarelli A, Baldi M, Sansone A, Spaggiari G, Simoni M, Corona G. The chronic alcohol consumption influences the gonadal axis in men: Results from a meta-analysis. Andrology 2024; 12:768-780. [PMID: 37705506 DOI: 10.1111/andr.13526] [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: 08/14/2023] [Revised: 08/29/2023] [Accepted: 09/01/2023] [Indexed: 09/15/2023]
Abstract
BACKGROUND Low testosterone concentrations affect 2-13% of adult males, with a direct association between reduction in testosterone (T) concentrations and cardiovascular events. Lifestyle habits have been linked to visceral fat accumulation and endocrine disorders like secondary hypogonadism. Alcohol intake has also been a topic of debate, with studies showing a detrimental effect on sperm production and underlying mechanisms. This meta-analysis aims to comprehensively evaluate the effect of alcohol consumption on T serum concentrations in adult men. METHODS The literature search included only controlled clinical trials comparing men who drink alcohol to men who do not, or who assumed placebo or nonalcoholic beverages. The primary outcome was the comparison of total testosterone serum concentrations between the study and control groups. The publications were examined for publication bias using Egger's test. RESULTS Twenty-one studies were included in the analysis for a total of 30 trials that examined the effects of alcohol consumption on testosterone level in 10,199 subjects. The meta-analysis showed that alcohol consumption overall is related to significant reduction in circulating concentrations of total testosterone (mean difference [MD] = -4.02; 95% CI -6.30, -1.73), free T (MD = -0.17; 95% CI -0.23, -0.12), sex hormone binding globulin (SHBG) (MD = -1.94; 95% CI -3.37, -0.48), an increase in estradiol (E2) (MD = 7.65; 95% CI 1.06, 14.23) and neutral effect on luteinizing hormone (LH) (MD = -0.15; 95% CI -0.36, 0.06), independently by age, body mass index (BMI), E2, and LH serum concentrations and alcohol intake. However, these results are evident only in healthy men exposed to chronic alcohol consumption and not in those with a recognized diagnosis of alcohol use disorder or after acute alcohol intake. CONCLUSION This study suggests how chronic alcohol consumption may inhibit the gonadal axis in healthy men, although the exact pathophysiological mechanisms connecting alcohol exposure and steroidogenesis are still not completely clarified.
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Affiliation(s)
- Daniele Santi
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
- Unit of Andrology and Sexual Medicine of the Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
| | - Angelo Cignarelli
- Section of Internal Medicine, Endocrinology, Andrology and Metabolic Diseases, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari Aldo Moro, Bari, Italy
| | - Matteo Baldi
- Unit of Medicine, Azienda Ospedaliero-Universitaria Città della Salute e della Scienza di Torino, presidio Molinette, Turin, Italy
| | - Andrea Sansone
- Chair of Endocrinology and Medical Sexology (ENDOSEX), Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Giorgia Spaggiari
- Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
- Unit of Andrology and Sexual Medicine of the Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
| | - Manuela Simoni
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
- Unit of Andrology and Sexual Medicine of the Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
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Mitkin NA, Kirilkin GE, Unguryanu TN, Malyutina S, Cook S, Kudryavtsev AV. The relationship between physical performance and alcohol consumption levels in Russian adults. Sci Rep 2024; 14:1417. [PMID: 38228702 PMCID: PMC10792008 DOI: 10.1038/s41598-024-51962-3] [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: 09/02/2023] [Accepted: 01/11/2024] [Indexed: 01/18/2024] Open
Abstract
Investigating the relationship between alcohol consumption and physical performance, we used data from the 2015-2018 Know Your Heart study on 4215 adults aged 35-69 from Arkhangelsk and Novosibirsk, Russia. We classified participants' drinking status into non-drinking, non-problem drinking, hazardous drinking, and harmful drinking based on their self-reported drinking behaviors. To evaluate physical performance, we developed a Composite Physical Performance Scale (CPPS), which combined the results of three functional tests: grip strength (GS), closed-eyes balance, and chair rises (CR). We applied multivariable linear regression to assess the relationship between alcohol consumption and CPPS score, and ordinal logistic regression to explore the associations between alcohol consumption and the three functional tests separately. The results showed that harmful drinking was associated with lower CPPS scores compared to non-problem drinking. Among harmful drinking men, the decrease in CPPS scores was explained by all three tests equally and exceptionally by GS among women. Non-drinking was also associated with decreased CPPS, linked to lower GS and CR scores in men, and only lower GS scores in women. The study revealed a reduced physical performance in the non-drinking and harmful drinking groups compared to non-problem drinking.
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Affiliation(s)
- Nikita A Mitkin
- Department of Community Medicine, UiT The Arctic University of Norway, N-9037, Tromsø, Norway.
- International Research Competence Centre, Northern State Medical University, Troitsky Ave., 51, Arkhangelsk, Russia, 163069.
| | - German E Kirilkin
- Department of Hygiene and Medical Ecology, Northern State Medical University, Troitsky Ave., 51, Arkhangelsk, Russia, 163069
| | - Tatiana N Unguryanu
- Department of Hygiene and Medical Ecology, Northern State Medical University, Troitsky Ave., 51, Arkhangelsk, Russia, 163069
| | - Sofia Malyutina
- Research Institute of Internal and Preventive Medicine, Branch of Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, B.Bogatkova Str., 175/1, Novosibirsk, Russia, 630089
- Department of Therapy, Hematology and Transfusiology, Novosibirsk State Medical University, Krasny Prospect, 52, Novosibirsk, Russia, 630091
| | - Sarah Cook
- School of Public Health, Imperial College London, White City Campus, 80-92 Wood Lane, London, W12 0BZ, UK
| | - Alexander V Kudryavtsev
- Department of Community Medicine, UiT The Arctic University of Norway, N-9037, Tromsø, Norway
- International Research Competence Centre, Northern State Medical University, Troitsky Ave., 51, Arkhangelsk, Russia, 163069
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Lee S, Kim J, Kim JS. Current Status of Korean Alcohol Drinking in Accordance with the Korean Alcohol Guidelines for Moderate Drinking Based on Facial Flushing. Korean J Fam Med 2023; 44:129-142. [PMID: 37225438 DOI: 10.4082/kjfm.23.0024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/26/2023] [Indexed: 05/26/2023] Open
Abstract
Since each person has a different ability to break down alcohol, it is inappropriate to apply a uniform standard to everyone when evaluating drinking status. In Korea, there has been a guideline for moderate drinking based not only on sex and age but Koreans' alcohol metabolism capabilities that can be predicted by presence of facial flushing response. So far, there have been no studies that have investigated drinking habits of Koreans in accordance with the guideline. This study tried to identify the current drinking status of Koreans according to the guideline. As a result, it was confirmed that about 1/3 of the total population was accompanied by facial flushing when drinking alcohol, and it was found that different drinking habits were shown even in the same age and gender groups according to the presence of facial flushing. It is difficult to accurately evaluate drinking habits because facial flushing has not yet been investigated in some large data or various medical examinations. In the future, it is necessary to ensure that the presence of facial flushing can be confirmed at the medical treatment or examination site so that accurate drinking habit evaluation and prevention and resolution of drinking problems can be achieved.
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Affiliation(s)
- Sami Lee
- Department of Family Medicine, Chungnam National University Sejong Hospital, Sejong, Korea
| | - Jihan Kim
- Department of Family Medicine, Sejong Trinium Woman's Hospital, Sejong, Korea
- Department of Family Medicine, Chungnam National University School of Medicine, Daejeon, Korea
| | - Jong Sung Kim
- Department of Family Medicine, Chungnam National University School of Medicine, Daejeon, Korea
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Mitkin NA, Unguryanu TN, Malyutina S, Kudryavtsev AV. Association between Alcohol Consumption and Body Composition in Russian Adults and Patients Treated for Alcohol-Related Disorders: The Know Your Heart Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2905. [PMID: 36833602 PMCID: PMC9957482 DOI: 10.3390/ijerph20042905] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 06/18/2023]
Abstract
There is conflicting evidence about the association between alcohol consumption and body composition (BC). We aimed to investigate this association in Russian adults. The study population included 2357 residents of Arkhangelsk aged 35-69 years, and 272 in-patients treated for alcohol problems (narcological patients) who participated in the Know Your Heart (KYH) cross-sectional study in 2015-2017. The participants were divided into five subgroups based on their alcohol use characteristics: non-drinkers, non-problem drinkers, hazardous drinkers, harmful drinkers, and narcological patients. Considering men, hazardous drinkers had a larger waist circumference (WC), waist-to-hip ratio (WHR), and percentage of body fat mass (%FM) compared to non-problem drinkers. In harmful drinking men, these differences were the opposite: a lower body mass index (BMI), hip circumference (HC), and %FM. Men among narcological patients had the lowest mean BMI, WC, HC, WHR, and %FM compared to other subgroups of men. As for women, non-drinkers had a lower BMI, WC, HC, and %FM compared to non-problem drinkers. Women among narcological patients had the lowest mean BMI and HC but an increased WHR compared to other subgroups of women. In conclusion, alcohol consumption levels had an inverted J-shaped association with adiposity-related BC parameters: they were elevated in hazardous drinkers but were reduced in harmful drinkers, and were even lower in patients with alcohol-related diagnoses.
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Affiliation(s)
- Nikita A. Mitkin
- Department of Community Medicine, UiT The Arctic University of Norway, N-9037 Tromsø, Norway
- International Research Competence Centre, Northern State Medical University, Troitsky Ave., 51, 163069 Arkhangelsk, Russia
| | - Tatiana N. Unguryanu
- Department of Hygiene and Medical Ecology, Northern State Medical University, Troitsky Ave., 51, 163069 Arkhangelsk, Russia
| | - Sofia Malyutina
- Research Institute of Internal and Preventive Medicine, Branch of Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Bogatkova st., 175/1, 630008 Novosibirsk, Russia
- Department of Therapy, Hematology and Transfusiology, Novosibirsk State Medical University, Krasny Ave., 52, 630091 Novosibirsk, Russia
| | - Alexander V. Kudryavtsev
- Department of Community Medicine, UiT The Arctic University of Norway, N-9037 Tromsø, Norway
- International Research Competence Centre, Northern State Medical University, Troitsky Ave., 51, 163069 Arkhangelsk, Russia
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Lee J. Alcohol and Testosterone Deficiency in People Who Experience Facial Flushes. Korean J Fam Med 2022; 43:345-346. [PMID: 36444117 PMCID: PMC9708851 DOI: 10.4082/kjfm.43.6e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- Jungun Lee
- Department of Family Medicine, Wonkwang University Sanbon Hospital, Wonkwang University School of Medicine, Gunpo, Korea
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