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Profili NI, Castelli R, Gidaro A, Manetti R, Maioli M, Petrillo M, Capobianco G, Delitala AP. Possible Effect of Polycystic Ovary Syndrome (PCOS) on Cardiovascular Disease (CVD): An Update. J Clin Med 2024; 13:698. [PMID: 38337390 PMCID: PMC10856325 DOI: 10.3390/jcm13030698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 01/17/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women during the fertile period. Women with PCOS have an increased risk of developing major cardiovascular risk factors during the fertile period: obesity, impaired glucose tolerance, diabetes mellitus, dyslipidemia, and metabolic syndrome. The possible effect of PCOS on cardiovascular disease (CVD) has been reported in different studies, but the results are not clear for several reasons. Indeed, most of the studies analyzed a cohort of fertile women who, given their relatively young age, have a low frequency of cardiovascular diseases. In addition, longitudinal studies have a short follow-up period, insufficient to draw firm conclusions on this topic. Finally, pharmacological treatment is limited by the lack of specific drugs available to specifically treat PCOS. In this review, we report on studies that analyzed the possible effect of PCOS on the most common CVD (hypertension, arterial stiffness, atherosclerosis, and cardiovascular event) and available drugs used to reduce CVD in PCOS women.
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Affiliation(s)
- Nicia I. Profili
- Department of Medicine, Surgery, and Pharmacy, University of Sassari, 07100 Sassari, Italy; (N.I.P.); (R.C.); (R.M.); (M.P.); (G.C.)
| | - Roberto Castelli
- Department of Medicine, Surgery, and Pharmacy, University of Sassari, 07100 Sassari, Italy; (N.I.P.); (R.C.); (R.M.); (M.P.); (G.C.)
| | - Antonio Gidaro
- Department of Biomedical and Clinical Sciences Luigi Sacco, University of Milan, Luigi Sacco Hospital, 20122 Milan, Italy;
| | - Roberto Manetti
- Department of Medicine, Surgery, and Pharmacy, University of Sassari, 07100 Sassari, Italy; (N.I.P.); (R.C.); (R.M.); (M.P.); (G.C.)
| | - Margherita Maioli
- Department of Biochemical Science, University of Sassari, 07100 Sassari, Italy;
| | - Marco Petrillo
- Department of Medicine, Surgery, and Pharmacy, University of Sassari, 07100 Sassari, Italy; (N.I.P.); (R.C.); (R.M.); (M.P.); (G.C.)
| | - Giampiero Capobianco
- Department of Medicine, Surgery, and Pharmacy, University of Sassari, 07100 Sassari, Italy; (N.I.P.); (R.C.); (R.M.); (M.P.); (G.C.)
| | - Alessandro P. Delitala
- Department of Medicine, Surgery, and Pharmacy, University of Sassari, 07100 Sassari, Italy; (N.I.P.); (R.C.); (R.M.); (M.P.); (G.C.)
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Radwan A, Al-Juhani AA, Alshehri AA, Alsumaili AA, Aseri SK, Alzahrani MJ, Qahwaji DM, Zaafarani F. The Association of Polycystic Ovarian Syndrome Among Reproductive-Aged Women With Consumption of Junk Food in Jeddah, Saudi Arabia. Cureus 2023; 15:e48299. [PMID: 38058348 PMCID: PMC10697046 DOI: 10.7759/cureus.48299] [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] [Accepted: 11/04/2023] [Indexed: 12/08/2023] Open
Abstract
OBJECTIVE Polycystic ovarian syndrome (PCOS) is a common reproductive and endocrinological disorder that affects a significant percentage of women worldwide. Despite its high prevalence, the possible environmental factors that influence the development of PCOS, especially dietary habits, are still unclear. The aim of this study is to investigate the association between PCOS and junk food consumption among women of childbearing age in Jeddah, Saudi Arabia. METHODS A cross-sectional study was conducted from February 2023 to April 2023 in 155 women diagnosed with PCOS according to the Rotterdam criteria. Participants aged 18-47 years and living in Jeddah, Saudi Arabia completed a validated 30-item electronic questionnaire that included sociodemographic information, medical history, PCOS symptoms, and fast food consumption patterns. RESULTS The study revealed a high prevalence of obesity and overweight among PCOS patients, which was significantly associated with their diets high in carbohydrates, fats, and refined sugars. In addition, weight loss was difficult for these patients, which could be influenced by hormonal imbalances and dietary factors. In particular, fast food consumption showed a significant association with facial acne in PCOS patients, while some participants also experienced excessive hair growth on the face, abdomen, and back, which may be related to excessive fat intake. CONCLUSION This study provides evidence to support an association between junk food consumption and the prevalence of PCOS among women of reproductive age in Jeddah, Saudi Arabia. The findings suggest that dietary patterns may influence the development and treatment of PCOS, highlighting the need for lifestyle interventions as part of treatment strategies. Further studies with larger and more diverse populations, as well as longitudinal studies, are warranted to clarify causal relationships and gain a comprehensive understanding of the impact of dietary factors on the development and progression of PCOS. Identifying the potential effects of diet on PCOS can lead to more effective treatments and improve the overall health and well-being of those affected.
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Affiliation(s)
- Ashraf Radwan
- Obstetrics and Gynecology, Faculty of Medicine, King Abdulaziz University, Jeddah, SAU
| | | | | | | | - Saeed K Aseri
- Faculty of Medicine, King Abdulaziz University, Jeddah, SAU
| | | | - Dina M Qahwaji
- Clinical Nutrition, King Abdulaziz University, Jeddah, SAU
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Berbrier DE, Leone CA, Adler TE, Bender JR, Taylor HS, Stachenfeld NS, Usselman CW. Effects of androgen excess and body mass index on endothelial function in women with polycystic ovary syndrome. J Appl Physiol (1985) 2023; 134:868-878. [PMID: 36861670 DOI: 10.1152/japplphysiol.00583.2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is associated with endothelial dysfunction; whether this is attributable to comorbid hyperandrogenism and/or obesity remains to be established. Therefore, we 1) compared endothelial function between lean and overweight/obese (OW/OB) women with and without androgen excess (AE)-PCOS and 2) examined androgens as potential modulators of endothelial function in these women. The flow-mediated dilation (FMD) test was applied in 14 women with AE-PCOS (lean: n = 7; OW/OB: n = 7) and 14 controls (CTRL; lean: n = 7, OW/OB: n = 7) at baseline (BSL) and following 7 days of ethinyl estradiol supplementation (EE; 30 µg/day) to assess the effect of a vasodilatory therapeutic on endothelial function; at each time point we assessed peak increases in diameter during reactive hyperemia (%FMD), shear rate, and low flow-mediated constriction (%LFMC). BSL %FMD was attenuated in lean AE-PCOS versus both lean CTRL (5.2 ± 1.5 vs. 10.3 ± 2.6%, P < 0.01) and OW/OB AE-PCOS (5.2 ± 1.5 vs. 6.6 ± 0.9%, P = 0.048). A negative correlation between BSL %FMD and free testosterone was observed in lean AE-PCOS only (R2 = 0.68, P = 0.02). EE increased %FMD in both OW/OB groups (CTRL: 7.6 ± 0.6 vs. 10.4 ± 2.5%, AE-PCOS: 6.6 ± 0.9 vs. 9.6 ± 1.7%, P < 0.01), had no impact on %FMD in lean AE-PCOS (5.17 ± 1.5 vs. 5.17 ± 1.1%, P = 0.99), and reduced %FMD in lean CTRL (10.3 ± 2.6 vs. 7.6 ± 1.2%, P = 0.03). Collectively, these data indicate that lean women with AE-PCOS exhibit more severe endothelial dysfunction than their OW/OB counterparts. Furthermore, endothelial dysfunction appears to be mediated by circulating androgens in lean but not in OW/OB AE-PCOS, suggesting a difference in the endothelial pathophysiology of AE-PCOS between these phenotypes.NEW & NOTEWORTHY We present evidence for marked endothelial dysfunction in lean women with androgen excess polycystic ovary syndrome (AE-PCOS) that is 1) associated with free testosterone levels, 2) impaired relative to overweight/obese women with AE-PCOS, and 3) unchanged following short-term ethinyl estradiol supplementation. These data indicate an important direct effect of androgens on the vascular system in women with AE-PCOS. Our data also suggest that the relationship between androgens and vascular health differs between phenotypes of AE-PCOS.
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Affiliation(s)
- Danielle E Berbrier
- Cardiovascular Health and Autonomic Regulation Laboratory, Department of Kinesiology and Physical Education, McGill University, Montreal, Quebec, Canada
| | - Cheryl A Leone
- The John B. Pierce Laboratory, Yale School of Medicine, New Haven, Connecticut, United States
| | - Tessa E Adler
- Cardiovascular Health and Autonomic Regulation Laboratory, Department of Kinesiology and Physical Education, McGill University, Montreal, Quebec, Canada
- The John B. Pierce Laboratory, Yale School of Medicine, New Haven, Connecticut, United States
| | - Jeffrey R Bender
- Departments of Internal Medicine (Cardiovascular Medicine) and Immunobiology, Yale School of Medicine, New Haven, Connecticut, United States
- Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, Connecticut, United States
| | - Hugh S Taylor
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, United States
| | - Nina S Stachenfeld
- The John B. Pierce Laboratory, Yale School of Medicine, New Haven, Connecticut, United States
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, United States
| | - Charlotte W Usselman
- Cardiovascular Health and Autonomic Regulation Laboratory, Department of Kinesiology and Physical Education, McGill University, Montreal, Quebec, Canada
- The John B. Pierce Laboratory, Yale School of Medicine, New Haven, Connecticut, United States
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut, United States
- McGill Research Centre for Physical Activity and Health, McGill University, Montreal, Quebec, Canada
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Manzano-Nunez R, Santana-Dominguez M, Rivera-Esteban J, Sabiote C, Sena E, Bañares J, Tacke F, Pericàs JM. Non-Alcoholic Fatty Liver Disease in Patients with Polycystic Ovary Syndrome: A Systematic Review, Meta-Analysis, and Meta-Regression. J Clin Med 2023; 12:856. [PMID: 36769504 PMCID: PMC9917911 DOI: 10.3390/jcm12030856] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/15/2023] [Accepted: 01/19/2023] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND The metabolic effects of polycystic ovary syndrome (PCOS) may increase the risk of non-alcoholic fatty liver disease (NAFLD). However, the burden of NAFLD in PCOS has not been unequivocally defined. This systematic review (SR), meta-analysis (MA) assessed NAFLD's prevalence, and risk factors in patients with PCOS. METHODS A literature search was performed in MEDLINE, Scopus, and Scielo. First, we performed a MA of proportions to estimate the prevalence of NAFLD in PCOS. Second, we performed meta-analyses of precalculated adjusted odds ratios to examine NAFLD risk factors. Finally, we performed a meta-regression to model how the estimated prevalence changed with changes in prespecified variables. RESULTS We identified 817 articles from the database searches. Thirty-six were included. MA of proportions found a pooled NAFLD prevalence of 43% (95% CI, 35-52%) with high heterogeneity (I2 = 97.2%). BMI, waist circumference, ALT values, HOMA-IR values, free androgen index levels, hyperandrogenism, and triglycerides were associated with significantly higher risk-adjusted odds of NAFLD among patients with PCOS. Meta-regression showed that rises in NAFLD prevalence were mediated through increases in metabolic syndrome prevalence and higher levels of HOMA-IR, free androgen index, and total testosterone. CONCLUSION The prevalence of NAFLD (43%) among PCOS patients is high despite their average young age, with several metabolic and PCOS-specific factors influencing its occurrence. Screening programs may aid in detecting metabolic-associated fatty liver disease and prevent its consequences. Further work is required to establish the burden of liver-related outcomes once NAFLD has progressed in the PCOS population.
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Affiliation(s)
- Ramiro Manzano-Nunez
- Liver Unit, Vall d’Hebron University Hospital, 08035 Barcelona, Spain
- Vall d’Hebron Institute for Research, 08035 Barcelona, Spain
- Faculty of Medicine, Universitat Autònoma de Barcelona, 08035 Barcelona, Spain
| | | | - Jesus Rivera-Esteban
- Liver Unit, Vall d’Hebron University Hospital, 08035 Barcelona, Spain
- Vall d’Hebron Institute for Research, 08035 Barcelona, Spain
- Faculty of Medicine, Universitat Autònoma de Barcelona, 08035 Barcelona, Spain
| | - Clara Sabiote
- Liver Unit, Vall d’Hebron University Hospital, 08035 Barcelona, Spain
- Vall d’Hebron Institute for Research, 08035 Barcelona, Spain
| | - Elena Sena
- Liver Unit, Vall d’Hebron University Hospital, 08035 Barcelona, Spain
- Vall d’Hebron Institute for Research, 08035 Barcelona, Spain
| | - Juan Bañares
- Liver Unit, Vall d’Hebron University Hospital, 08035 Barcelona, Spain
- Vall d’Hebron Institute for Research, 08035 Barcelona, Spain
| | - Frank Tacke
- Department of Hepatology & Gastroenterology, Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, 10117 Berlin, Germany
| | - Juan M. Pericàs
- Liver Unit, Vall d’Hebron University Hospital, 08035 Barcelona, Spain
- Vall d’Hebron Institute for Research, 08035 Barcelona, Spain
- Centros de Investigación Biomédica en Red, Enfermedades Hepáticas y Digestivas (CIBERehd), 28029 Madrid, Spain
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Shahbaz M, Almatooq H, Foucambert P, Esbrand FD, Zafar S, Panthangi V, Cyril Kurupp AR, Raju A, Luthra G, Khan S. A Systematic Review of the Risk of Non-alcoholic Fatty Liver Disease in Women With Polycystic Ovary Syndrome. Cureus 2022; 14:e29928. [PMID: 36381833 PMCID: PMC9635930 DOI: 10.7759/cureus.29928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 10/04/2022] [Indexed: 11/07/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is a complex hormonal disorder associated with complications throughout various body organs. Previous studies have shown evidence of liver disease in some women with PCOS. In this study, we attempted to explore the risk of non-alcoholic fatty liver disease (NAFLD) in PCOS women and the specific factors involved in its development. We searched PubMed, PubMed Central, Medline, and ScienceDirect for articles related to the topic, screened those articles according to our inclusion/exclusion criteria, and conducted a thorough quality check using various quality appraisal tools to select articles relevant to our research. The process was conducted according to Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) Checklist 2020. We selected 11 high-quality observational studies for our review. Studies from various countries were included, and all studies demonstrated an increased prevalence of NAFLD in PCOS patients compared to healthy controls. Although insulin resistance, obesity, and increased androgens contribute to the increase in the risk of NAFLD in these patients, hyperandrogenism was the most influential risk factor in four of these studies. Two studies explored the degree of NAFLD in these patients using transient elastography (TE). They concluded that PCOS was significantly associated with hepatic steatosis (HS) rather than hepatic fibrosis in most patients. PCOS patients have an increased risk of developing NAFLD, particularly HS, and hyperandrogenism seems to be the main determinant. Therefore, effort should be put into screening and monitoring these patients to manage the disease. TE may be a useful method for monitoring the natural history of NAFLD in these patients, which requires further exploration.
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Affiliation(s)
- Mahrukh Shahbaz
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Halah Almatooq
- Dermatology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Paul Foucambert
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Faith D Esbrand
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Sana Zafar
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Venkatesh Panthangi
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | | | - Anjumol Raju
- Pediatrics, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Gaurav Luthra
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Safeera Khan
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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6
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Sun D, Wu Y, Ding M, Zhu F. Comprehensive Meta-Analysis of Functional and Structural Markers of Subclinical Atherosclerosis in Women with Polycystic Ovary Syndrome. Angiology 2022; 73:622-634. [PMID: 35258380 DOI: 10.1177/00033197211072598] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The relationship between polycystic ovary syndrome (PCOS) and subclinical atherosclerosis remains unclear. We performed a comprehensive systematic review and meta-analysis to evaluate the effect of PCOS on functional and structural markers of subclinical atherosclerosis as measured by carotid intima-media thickness (cIMT), flow-mediated vasodilation (FMD), nitroglycerin-mediated vasodilation (NMD), pulse wave velocity (PWV), and coronary artery calcium (CAC). Standard mean differences (SMDs) or odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were calculated. Ninety-six articles involving 5550 PCOS patients and 5974 controls were included. Compared with controls, PCOS patients showed significantly thicker cIMT (SMD (95% CI) = .587 (.398, .776), P < .001), lower FMD (SMD (95% CI) = -.649 (-.946, -.353), P < .001) and NMD (SMD (95% CI) = -.502 (-.686, -.317), P < .001), as well as higher PWV (SMD (95% CI) = .382 (.019, .746), P = .039), and increased CAC incidence (OR (95% CI) = 2.204 (1.687, 2.879), P < .001). When analyzing subgroups by age and body mass index (BMI), results were still significant (P < .05) except for PWV in the BMI subgroup. There was no significant result on sensitivity analysis, and Begg' test or Egger's test. PCOS contributes to subclinical atherosclerosis, resulting in functional and structural changes in cIMT, FMD and NMD, PWV, and CAC incidence.
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Affiliation(s)
- Dandan Sun
- Department of Cardiovascular Ultrasound, 159408The People's Hospital of China Medical University and The People's Hospital of Liaoning Province, Shenyang, China
| | - Yupeng Wu
- Department of Neurosurgery, 159408The People's Hospital of China Medical University and The People's Hospital of Liaoning Province, Shenyang, China
| | - Mingyan Ding
- Department of Cardiovascular Ultrasound, 159408The People's Hospital of China Medical University and The People's Hospital of Liaoning Province, Shenyang, China
| | - Fang Zhu
- Department of Cardiovascular Ultrasound, 159408The People's Hospital of China Medical University and The People's Hospital of Liaoning Province, Shenyang, China
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Wang D, He B. Current Perspectives on Nonalcoholic Fatty Liver Disease in Women with Polycystic Ovary Syndrome. Diabetes Metab Syndr Obes 2022; 15:1281-1291. [PMID: 35494531 PMCID: PMC9048954 DOI: 10.2147/dmso.s362424] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 03/31/2022] [Indexed: 12/29/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is one of the most common reproductive, endocrine, and metabolic disorders in premenopausal women. Clinically, PCOS is mainly caused by androgen excess and ovarian dysfunction, manifested by anovulatory menstrual cycles, infertility, and hirsutism. In addition, PCOS increases the risk of insulin resistance, obesity, cardiovascular disease, anxiety and depression, dyslipidemia, and endometrial cancer. Nonalcoholic fatty liver disease (NAFLD) is defined as ≥5% fat accumulation in the liver in the absence of remaining secondary causes and has become one of the most common chronic liver diseases worldwide. The prevalence of NAFLD is significantly higher and more severe in women with PCOS, and its pathogenesis can be associated with various risk factors such as hyperandrogenemia, insulin resistance, obesity, chronic low-grade inflammation, and genetic factors. Although there is no definitive solution for the management of NAFLD in PCOS, some progress has been made. Lifestyle modification should be the basis of management, and drugs to improve metabolism, such as insulin sensitizers and glucagon-like peptide-1 agonists, may show better efficacy. Bariatric surgery may also be a treatment of NAFLD in obese women with PCOS. This paper reviews three aspects of prevalence, risk factors, and management, in order to better understand the current state of research on NAFLD in PCOS, to explore the pathogenesis of NAFLD in PCOS, and to encourage further research on the application of drugs in this field.
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Affiliation(s)
- Dongxu Wang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Bing He
- Department of Endocrinology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
- Correspondence: Bing He, Department of Endocrinology, Shengjing Hospital of China Medical University, No. 36 Sanhao Street, Shenyang, 110004, People’s Republic of China, Tel/Fax +86-24-96615-23111, Email
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Falzarano C, Lofton T, Osei-Ntansah A, Oliver T, Southward T, Stewart S, Andrisse S. Nonalcoholic Fatty Liver Disease in Women and Girls With Polycystic Ovary Syndrome. J Clin Endocrinol Metab 2022; 107:258-272. [PMID: 34491336 DOI: 10.1210/clinem/dgab658] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Indexed: 12/15/2022]
Abstract
CONTEXT Nonalcoholic fatty liver disease (NAFLD) describes a spectrum of liver damage due to excessive hepatic lipid accumulation. Recent research has demonstrated a high prevalence of NAFLD in women with polycystic ovary syndrome (PCOS). RESULTS Strong associations independent of body mass index (BMI) have been found between high androgen levels characteristic of PCOS, as well as insulin resistance, and the presence of NAFLD in these women, suggesting that these factors contribute to liver injury more significantly than obesity. Current studies indicate the occurrence of NAFLD in normal weight women with PCOS in addition to the commonly researched women who are overweight and obese. While the majority of studies address NAFLD in adult, premenopausal women (ages 25-40 years), the occurrence of NAFLD in young and adolescent women has gone largely unaddressed. Research in this field lacks diversity; a majority of studies either focus on populations of White women or are missing demographic information entirely. CONCLUSIONS Future studies should include larger, more racially and ethnically inclusive populations and particular attention should be paid to how excess androgens and insulin resistance contribute to the increased risk of NAFLD seen in women with PCOS of varying weights, ages, and ethnicities. OBJECTIVE AND METHODS Here, we review NAFLD in women with PCOS with subsections focused on the impact of hyperandrogenism, BMI, insulin resistance and age. Most notably, we present the most up-to-date racially and ethnically diverse worldwide prevalence of NAFLD in women with PCOS compared with women without PCOS (51.56% vs 29.64%, P < .001, respectively).
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Affiliation(s)
- Claire Falzarano
- Howard University College of Medicine, Physiology and Biophysics, Washington, DC, 20059, USA
| | - Taylor Lofton
- Howard University College of Medicine, Physiology and Biophysics, Washington, DC, 20059, USA
| | - Adjoa Osei-Ntansah
- Howard University College of Medicine, Physiology and Biophysics, Washington, DC, 20059, USA
| | - Trinitee Oliver
- Howard University College of Medicine, Physiology and Biophysics, Washington, DC, 20059, USA
| | - Taylor Southward
- Howard University College of Medicine, Physiology and Biophysics, Washington, DC, 20059, USA
| | - Salim Stewart
- Howard University College of Medicine, Physiology and Biophysics, Washington, DC, 20059, USA
| | - Stanley Andrisse
- Howard University College of Medicine, Physiology and Biophysics, Washington, DC, 20059, USA
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9
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Alexandraki KI, Kandaraki EA, Poulia KA, Piperi C, Papadimitriou E, Papaioannou TG. Assessment of Early Markers of Cardiovascular Risk in Polycystic Ovary Syndrome. TOUCHREVIEWS IN ENDOCRINOLOGY 2021; 17:37-53. [PMID: 35118445 DOI: 10.17925/ee.2021.17.1.37] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 06/22/2020] [Indexed: 11/24/2022]
Abstract
Polycystic ovary syndrome (PCOS) is a heterogeneous syndrome, with long-term sequelae from birth to senescence. The long-term effects of PCOS are attributed to several metabolic aberrations ensuing the syndrome. In a systematic review of literature regarding the cardiovascular risk factors that accompany PCOS, we found that macrovascular function has been assessed by flow-mediated dilatation (FMD), microvascular function by venous occlusion plethysmography (VOP), and arterial structure by ultrasonographic assessment of intima-media thickness (IMT) usually of the carotid artery. Contradictory results have been reported; however, in most studies, endothelial dysfunction, an early marker of atherosclerosis assessed either by haemodynamic methods such as FMD or by biochemical methods such as endothelin-1 levels, was found to be impaired. VOP is a less-studied method, with few indices altered. IMT was found to be altered in most of the included studies, but the population was more heterogeneous. Inflammatory markers, including C-reactive protein, were also found to be altered in most studies. On the other hand, a number of interventions have been shown beneficial for the markers of cardiovascular risk, in the context of insulin-sensitizers. However, other interventions such as oral contraceptive pills or statins did not consistently show a similar beneficial effect. In summary, the early identification and eventual treatment of cardiovascular clinical and biochemical risk factors may be used in clinical practice to prevent potential 'silent' triggers of cardiovascular disease.
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Affiliation(s)
- Krystallenia I Alexandraki
- Medical School, National and Kapodistrian University of Athens, Athens, Greece.,Eleitho Practice, Athens, Greece
| | - Eleni A Kandaraki
- Medical School, National and Kapodistrian University of Athens, Athens, Greece.,Department of Endocrinology & Diabetes Mellitus, HYGEIA Hospital, Athens, Greece
| | | | - Christina Piperi
- Department of Biological Chemistry, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Theodoros G Papaioannou
- First Department of Cardiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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10
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Shengir M, Chen T, Guadagno E, Ramanakumar AV, Ghali P, Deschenes M, Wong P, Krishnamurthy S, Sebastiani G. Non-alcoholic fatty liver disease in premenopausal women with polycystic ovary syndrome: A systematic review and meta-analysis. JGH OPEN 2021; 5:434-445. [PMID: 33860093 PMCID: PMC8035436 DOI: 10.1002/jgh3.12512] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 01/30/2021] [Accepted: 02/08/2021] [Indexed: 12/13/2022]
Abstract
Background and Aim Non‐alcoholic fatty liver disease (NAFLD) and polycystic ovary syndrome (PCOS) are prevalent conditions sharing common pathogenic factors. We performed a systematic literature review and meta‐analysis aiming to investigate the association between NAFLD and PCOS among premenopausal PCOS patients. Methods Relevant studies were systematically identified from scientific databases until 2019. We calculated pooled odds ratio (OR) using a random‐effect model, and heterogeneity was addressed through I2. Subgroup analyses and meta‐regression for various covariates were performed. Results Of the 1833 studies retrieved, 23 studies with 7148 participants qualified for quantitative synthesis. The pooled result showed that women with PCOS had a 2.5‐fold increase in the risk of NAFLD compared to controls (pooled OR 2.49, 95% confidence interval [CI] 2.20–2.82). In subgroup analyses comparing PCOS to controls, South American/Middle East PCOS patients had a greater risk of NAFLD (OR 3.55, 95% CI 2.27–5.55) compared to their counterpart from Europe (OR 2.22, 95% CI 1.85–2.67) and Asia (OR 2.63, 95% CI 2.20–3.15). Insulin resistance and metabolic syndrome were more frequent in the PCOS group (OR 1.97, 95% CI 1.44–2.71 and OR 3.39, 95% CI 2.42–4.76, respectively). Study quality and body mass index (BMI) were the only covariates that showed a relationship with the outcome in the meta‐regression, with a regression coefficient of −2.219 (95% CI −3.927 to −0.511) and −1.929 (95% CI −3.776 to −0.0826), respectively. Conclusions This meta‐analysis indicates that premenopausal PCOS patients are associated with 2.5‐fold increase in the risk of NAFLD, and BMI seems to be the main cofactor.
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Affiliation(s)
- Mohamed Shengir
- Division of Experimental Medicine McGill University Montreal Quebec Canada
| | - Tianyan Chen
- Department of Medicine McGill University Health Centre Montreal Quebec Canada
| | - Elena Guadagno
- Harvey E. Beardmore Division of Pediatric Surgery The Montreal Children's Hospital, McGill University Health Centre Montreal Quebec Canada
| | | | - Peter Ghali
- Department of Medicine University of Florida Jacksonville Florida USA
| | - Marc Deschenes
- Department of Medicine McGill University Health Centre Montreal Quebec Canada
| | - Philip Wong
- Department of Medicine McGill University Health Centre Montreal Quebec Canada
| | | | - Giada Sebastiani
- Department of Medicine McGill University Health Centre Montreal Quebec Canada
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11
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Alexandraki KI, Kandaraki EA, Poulia KA, Piperi C, Papadimitriou E, Papaioannou TG. Assessment of Early Markers of Cardiovascular Risk in Polycystic Ovary Syndrome. EUROPEAN ENDOCRINOLOGY 2021. [DOI: 10.17925/ee.2021.1.1.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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Wang Y, Guo X, Xu W, Cai J, Zhang Y, Wu C, Li S, Sun Y, Liu W, Tao T. Role of Androgen in Liver Fat Content in Women: Metabolically Advantageous or Disadvantageous? Endocr Pract 2020; 26:1003-1016. [PMID: 33471689 DOI: 10.4158/ep-2019-0407] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Accepted: 04/29/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Androgens have a controversial effect on liver fat content (LFC) in androgen-excess females and androgen-deficient males. Polycystic ovarian syndrome (PCOS) is often associated with hyperandrogenism and nonalcoholic fatty liver disease. The aim of this study was to explore the association between hyperandrogenemia and increased liver fat content in women with PCOS, independent of other metabolic parameters. METHODS This case series study included 501 women with PCOS and 112 aged-matched controls in the outpatient department of a tertiary hospital. Anthropometric measurements, hepatic and renal function, glucose and lipid metabolism parameters, and sex hormones were examined in these women. LFC was measured by quantitative ultrasonography. RESULTS Women with hyperandrogenism (P<.001), an oligomenorrhoea/anovulation phenotype (P = .0064), and a diagnosis of PCOS (P<.001) had higher LFC. Androgen level is an important factor among the 9 independent risk factors of LFC (P = .0239) and may have a dimorphic impact on LFC. In all women, when the free androgen index (FAI) was less than 41.94, LFC increased with the elevated FAI; when the FAI was greater than 41.94, LFC decreased with the elevated FAI (P<.001). In women with PCOS, receiver operating characteristic curve analysis demonstrated that LFC could at least partially predict impaired glucose regulation, impaired lipid metabolism, and insulin resistance (P<.0001 for all). CONCLUSION Androgen level is associated with LFC in dimorphic directions. LFC may be a predictive factor of insulin resistance, impaired glucose regulation, and impaired lipid metabolism in women with PCOS.
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Affiliation(s)
- Yuying Wang
- From the Department of Endocrinology and Metabolism, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Xiaojing Guo
- the Department of Health Statistics, Second Military Medical University, Shanghai, China
| | - Wendi Xu
- From the Department of Endocrinology and Metabolism, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Jie Cai
- From the Department of Endocrinology and Metabolism, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yi Zhang
- From the Department of Endocrinology and Metabolism, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Chunhua Wu
- the Division of Ultrasonography, Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Shengxian Li
- From the Department of Endocrinology and Metabolism, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yun Sun
- the Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wei Liu
- From the Department of Endocrinology and Metabolism, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China; the Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China..
| | - Tao Tao
- From the Department of Endocrinology and Metabolism, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.
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13
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Recruitment and Retention of Patients for Nonalcoholic Steatohepatitis Clinical Trials. Gastroenterol Clin North Am 2020; 49:123-140. [PMID: 32033759 DOI: 10.1016/j.gtc.2019.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
The volume of clinical studies globally in nonalcoholic fatty liver disease has created tremendous competition among sponsors and investigators to identify patients. Patients with nonalcoholic steatohepatitis are often asymptomatic and personally unaware and uneducated about the disease. In addition, many physicians caring for undiagnosed patients are also poorly informed of the disease. This has created a perfect storm of high demand for clinical research participants among a pool of difficult to identify patients with nonalcoholic steatohepatitis. Based on the current data, the current volume of nonalcoholic fatty liver disease studies requires 13,049 patients to fulfill their patient enrollment requirements.
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14
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Koutsou‐Tassopoulou A, Papapostoli‐Sklavounou I, Krawczyk M, Friesenhahn‐Ochs B, Weber SN, Lammert F, Stokes CS. Hepatic steatosis in patients with acromegaly. Endocrinol Diabetes Metab 2019; 2:e00090. [PMID: 31592448 PMCID: PMC6775446 DOI: 10.1002/edm2.90] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 08/02/2019] [Accepted: 08/04/2019] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Comorbid NAFLD is increasingly being diagnosed in patients with diabetes and nondiabetic endocrinopathies. The aim of this study was to assess hepatic steatosis noninvasively by transient elastography in patients with acromegaly. DESIGN A cross-sectional study including 22 patients with acromegaly. METHODS Hepatic steatosis was quantified using controlled attenuation parameter (CAP) during elastography. Anthropometric measurements were obtained, serum liver function tests and lipid and hormone profiles were measured, and prosteatogenic gene variants were genotyped using standard assays. RESULTS In total, 41% of patients were women (mean age 60 ± 14.7 years, mean BMI 31.2 ± 4.6 kg/m2). Hepatic steatosis, as defined by CAP > 248 dB/m, was present in 66% of patients. Five (45%) of the patients with hepatic steatosis also had fibrosis, and one presented with cirrhosis. Nine patients were carriers of the PNPLA3 p.I148M prosteatogenic [M] risk allele, eight of whom were heterozygotes. CAP values were significantly (P = .045) higher in these patients and corresponded to advanced steatosis, as compared to patients with the wild-type genotype, who demonstrated CAP values consistent with mild steatosis (311 ± 33 dB/m. vs 254 ± 62 dB/m). CAP values did not differ significantly in carriers of distinct TM6SF2 and MBOAT7 genotypes; however, carriers of the risk alleles displayed higher CAP as compared to wild-type patients. CONCLUSIONS This study shows that in patients with acromegaly, carriers of the PNPLA3 susceptibility allele are at risk of developing hepatic steatosis, as assessed by CAP. Comorbid NAFLD might compound prognosis in such patients; thus, further research into the pathomechanisms and treatment of NAFLD in acromegaly is warranted.
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Affiliation(s)
| | | | - Marcin Krawczyk
- Department of Medicine II, Saarland University Medical CenterSaarland UniversityHomburgGermany
- Laboratory of Metabolic Liver Diseases, Department of General, Transplantation and Liver SurgeryMedical University of WarsawWarsawPoland
| | | | - Susanne N. Weber
- Department of Medicine II, Saarland University Medical CenterSaarland UniversityHomburgGermany
| | - Frank Lammert
- Department of Medicine II, Saarland University Medical CenterSaarland UniversityHomburgGermany
| | - Caroline S. Stokes
- Department of Medicine II, Saarland University Medical CenterSaarland UniversityHomburgGermany
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15
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Minato S, Sakane N, Kotani K, Nirengi S, Hayashi I, Suganuma A, Yamaguchi K, Takakura K, Nagai N. Prevalence and Risk Factors of Elevated Liver Enzymes in Japanese Women With Polycystic Ovary Syndrome. J Clin Med Res 2018; 10:904-910. [PMID: 30425763 PMCID: PMC6225863 DOI: 10.14740/jocmr3639] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 10/15/2018] [Indexed: 02/06/2023] Open
Abstract
Background Polycystic ovary syndrome (PCOS) is a common endocrine disorder among reproductive-aged women. While PCOS is associated with an increased risk of obesity and insulin resistance, little is known regarding the prevalence of and risk factors for nonalcoholic fatty liver disease (NAFLD) among Japanese women with PCOS. We estimated the prevalence of and risk factors for elevated liver enzymes, as the index of NAFLD, in Japanese women with PCOS. Methods We retrospectively reviewed 102 reproductive-aged women who visited the Department of Gynecology, Kyoto Medical Center in Japan from January 2000 to September 2016. Inclusion criterion was confirmed diagnosis of PCOS using International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10) codes. Exclusion criteria were women with a history of liver diseases, missing body mass index (BMI) and serum alanine aminotransferase (ALT) data, and pregnancy. Data regarding age; BMI; and levels of blood glucose, serum lipid, liver enzymes, and sex hormones were obtained from medical records. Elevated liver enzymes was defined as ALT > 19 IU/L. Optimal cutoffs for risk factors for elevated liver enzymes were calculated to determine predictors of elevated liver enzymes using area under the curve (AUC) by receiver-operating characteristics (ROC). Results The prevalence of elevated liver enzymes was 33.3%. BMI was significantly higher in PCOS patients than in those without elevated liver enzymes (25.3 vs. 20.7 kg/m2, P < 0.05). ROC analyses were performed using BMI and blood glucose and testosterone levels because BMI and blood glucose showed differences between the groups and testosterone is related to fatty liver. AUC of the model including BMI and blood glucose and testosterone levels was 0.861 (sensitivity, 66.7%; specificity, 100%). Conclusions These findings suggest that elevated liver enzymes are common in women with PCOS. An algorism using BMI and blood glucose and testosterone levels might be useful to determine elevated liver enzymes in women with PCOS. Our finding may be useful for the study of NAFLD among Japanese women with PCOS since several previous studies have indicated elevated liver enzymes to be related to the potential presence of NAFLD. Further examination, including abdominal ultrasonography and/or liver biopsy data, is required to confirm these results.
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Affiliation(s)
- Satomi Minato
- Graduate School of Human Science and Environment, University of Hyogo, Hyogo, Japan.,Division of Preventive Medicine, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Naoki Sakane
- Division of Preventive Medicine, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Kazuhiko Kotani
- Division of Preventive Medicine, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, Kyoto, Japan.,Division of Community and Family Medicine, Jichi Medical University, Tochigi, Japan
| | - Shinsuke Nirengi
- Division of Preventive Medicine, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Ikuyo Hayashi
- Graduate School of Human Science and Environment, University of Hyogo, Hyogo, Japan.,Division of Preventive Medicine, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Akiko Suganuma
- Division of Preventive Medicine, Clinical Research Institute, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Ken Yamaguchi
- Department of Obstetrics and Gynecology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Kenji Takakura
- Department of Obstetrics and Gynecology, National Hospital Organization Kyoto Medical Center, Kyoto, Japan
| | - Narumi Nagai
- Graduate School of Human Science and Environment, University of Hyogo, Hyogo, Japan
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16
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Wang T, Yang W, Karakas S, Sarkar S. NASH in Nondiabetic Endocrine Disorders. Metab Syndr Relat Disord 2018; 16:315-320. [PMID: 29873585 DOI: 10.1089/met.2018.0044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) encompasses a spectrum of disease, including hepatic steatosis, inflammation, and fibrosis. NAFLD carries the risk of progression to cirrhosis with its associated complications and hepatocellular carcinoma. It is now the most common liver disease in the Western world and its prevalence is increasing. While the association between NAFLD and type 2 diabetes has been well documented, there is significantly less understanding of the pathophysiology and progression of NAFLD in patients with other endocrine disorders affecting metabolism in various ways. Some of the more common endocrine disorders such as polycystic ovarian syndrome, growth hormone deficiency, hypothyroidism, and hypogonadism are known in clinical practice to be associated with NAFLD. Medications that alter the endocrine system such as tamoxifen and adrenal steroids have also been attributed to significant NAFLD. The key to management of NAFLD at this time are dietary changes and exercise to achieve weight loss. Unfortunately, a large proportion of the patients with these endocrine disorders are unable to achieve either. This review aims to examine and summarize the current published literature that have evaluated the association between NAFLD and the above endocrine disorders and potential therapeutic interventions in each case.
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Affiliation(s)
- Timothy Wang
- 1 Department of Internal Medicine, University of California , Davis, Sacramento, California
| | - Wei Yang
- 1 Department of Internal Medicine, University of California , Davis, Sacramento, California.,2 Division of Endocrinology, University of California , Davis, Sacramento, California
| | - Sidika Karakas
- 1 Department of Internal Medicine, University of California , Davis, Sacramento, California.,2 Division of Endocrinology, University of California , Davis, Sacramento, California
| | - Souvik Sarkar
- 1 Department of Internal Medicine, University of California , Davis, Sacramento, California.,3 Division of Gastroenterology and Hepatology, University of California , Davis, Sacramento, California
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17
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Wu J, Yao XY, Shi RX, Liu SF, Wang XY. A potential link between polycystic ovary syndrome and non-alcoholic fatty liver disease: an update meta-analysis. Reprod Health 2018; 15:77. [PMID: 29747678 PMCID: PMC5946415 DOI: 10.1186/s12978-018-0519-2] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 04/29/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Epidemiological literature regarding the effect of polycystic ovary syndrome (PCOS) as a risk factor for non-alcoholic fatty liver disease (NAFLD) remains inconsistent. Furthermore, it remains debatable whether NAFLD is associated with PCOS as a consequence of shared risk factors or whether PCOS contributes to NAFLD in an independent fashion. Therefore, this meta-analysis was conducted. METHODS This meta-analysis was conducted in accordance with the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Relevant studies published before May 2017 were identified and retrieved from PubMed and Web of Science databases. The data were extracted, and the pooled odds ratios (ORs) and 95% confidence intervals (95% CIs) were calculated. RESULTS A total of 17 studies were included into the present analysis. Compared to the control group, the risk of NAFLD in the PCOS group was higher (OR = 2.25, 95% CI = 1.95-2.60). When stratified by BMI and geographic location, the results indicated that the frequency of NAFLD risk was significantly higher in obese subjects (OR = 3.01, 95% CI = 1.88-4.82), non-obese subjects (OR = 2.07, 95% CI = 1.12-3.85), subjects from Europe (OR = 2.00, 95% CI = 1.58-2.52), subjects from the Asia-Pacific Region, (OR = 2.32, 95% CI = 1.89-2.84) and subjects from America (OR = 2.96, 95% CI = 1.93-4.55). In addition, PCOS patients with hyperandrogenism (HA) had a significantly higher risk of NAFLD, compared with controls (OR = 3.31, 95% CI = 2.58-4.24). However, there was no association between PCOS patients without HA and higher risk of NAFLD (OR = 1.46; 95% CI =0.55-3.87). The results of this meta-analysis should be interpreted with caution due to the small number of observational studies and possible confounding factors. CONCLUSION The meta-analysis results suggest that PCOS is significantly associated with high risk of NAFLD. Although this association was independent of obesity and geographic region, it might be correlated with HA.
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Affiliation(s)
- Jia Wu
- Department of Gynecology, Changzhou No. 2 Hospital, Affiliated with Nanjing Medical University, Changzhou, 213000 China
| | - Xin-Yu Yao
- Department of Gastroenterology, Changzhou No. 2 Hospital, Affiliated with Nanjing Medical University, Changzhou, 213000 China
| | - Ru-Xia Shi
- Department of Gynecology, Changzhou No. 2 Hospital, Affiliated with Nanjing Medical University, Changzhou, 213000 China
| | - Su-Fen Liu
- Department of Gynecology, Changzhou No. 2 Hospital, Affiliated with Nanjing Medical University, Changzhou, 213000 China
| | - Xiao-Yong Wang
- Department of Gastroenterology, Changzhou No. 2 Hospital, Affiliated with Nanjing Medical University, Changzhou, 213000 China
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18
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Costa KCM, Ciampo LAD, Silva PS, Lima JC, Martins WDP, Nogueira de Almeida CA. ULTRASONOGRAPHIC MARKERS OF CARDIOVASCULAR DISEASE RISK IN OBESE CHILDREN. ACTA ACUST UNITED AC 2018; 36:171-175. [PMID: 29617475 PMCID: PMC6038792 DOI: 10.1590/1984-0462/;2018;36;2;00016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 07/28/2017] [Indexed: 01/08/2023]
Abstract
Objective: To evaluate whether the obesity alters ultrasonographical markers of
metabolic and cardiovascular disease risk in children. Methods: A cross-sectional study evaluated 80 children aged between 6 and 10 years,
comparing 40 obese with 40 normal children. The following parameters were
assessed: weight; height; body mass index; arterial blood pressure; body
fat; basal metabolic rate; HDL-cholesterol, LDL-cholesterol and total
cholesterol; fasting insulin and glucose; quantitative insulin sensitivity
check index (QUICKI); homeostasis model of assessment - insulin resistance
(HOMA-IR); basal diameter of the brachial artery; brachial artery flow
mediated dilation (FMD) and of pulsatility index change (PI-C). Results: Significant differences were observed between obese vs. non-obese children:
systolic blood pressure (97.7±8.4 vs. 89.0±5.8 mmHg; p<0.01), diastolic
blood pressure (64.3±7.9 vs. 52.9±5.1 mmHg; p<0.01), proportion of body
fat (45.1±5.9 vs. 21.3±6.0%; p<0.01), basal metabolic rate (1216.1±102.1
vs. 1072.9±66.4 Kcal; p<0.01), total cholesterol (164.7±25.2 vs.
153.4±15.8 mg/dL; p=0.03), fasting insulin (7.1±5.2 vs. 2.8±1.8 pIU/mL;
p<0.01), HOMA-IR (1.5±1.1 vs. 0.6±0.4; p<0.01), basal diameter of the
brachial artery (2.5±0.3 vs. 2.1±0.3 mm; p<0.01); PI-C (-15.5±27.2 vs.
-31.9±15.5%; p<0.01), decreased QUICKI (0.4±0.05 vs. 0.4±0.03;
p<0.01), and FMD (6.6±3.2 vs. 15.6±7.3%; p<0.01). Conclusions: Obesity worsens ultrasonographical and laboratorial markers of metabolic and
cardiovascular disease risk in children.
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Affiliation(s)
| | | | | | - Jailson Costa Lima
- Departamento de Medicina, Universidade Federal de São Carlos, São Carlos, SP, Brazil
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19
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Rocha ALL, Faria LC, Guimarães TCM, Moreira GV, Cândido AL, Couto CA, Reis FM. Non-alcoholic fatty liver disease in women with polycystic ovary syndrome: systematic review and meta-analysis. J Endocrinol Invest 2017; 40:1279-1288. [PMID: 28612285 DOI: 10.1007/s40618-017-0708-9] [Citation(s) in RCA: 101] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 06/05/2017] [Indexed: 02/06/2023]
Abstract
PURPOSE Non-alcoholic fatty liver disease (NAFLD) is an insidious pathologic condition that can manifest from simple steatosis to steatohepatitis (NASH) with potential progression to cirrhosis. Like the polycystic ovary syndrome (PCOS), NAFLD is associated with obesity, diabetes mellitus, insulin resistance and metabolic syndrome. PCOS women have an increased risk of NAFLD, but it is debatable which features of PCOS, either specific (androgen excess) or unspecific (metabolic derangements) affect the NAFLD risk. METHODS We performed a systematic review and meta-analysis of studies that addressed the association of PCOS and NAFLD. We selected 17 studies published between 2007 and 2017 that included 2734 PCOS patients and 2561 controls of similar age and body mass index (BMI). RESULTS PCOS patients have increased prevalence of NAFLD (odds ratio 2.54, 95% confidence interval 2.19-2.95). PCOS women with hyperandrogenism (classic phenotype) have a higher prevalence of NAFLD compared to women with PCOS without hyperandrogenism, even after correction for confounding variables. Among women with PCOS, those with NAFLD have higher serum total testosterone (mean difference 0.40 nmol/L, 95% CI 0.29-0.50 nmol/L) and free androgen index (mean difference 4.46, 95% CI 3.53-5.39) than those without NAFLD. The studies that used multivariate analysis controlling for age, BMI, triglycerides, and insulin resistance index confirmed that serum androgens are independent predictors of NAFLD in women with PCOS. CONCLUSION The prevalence of NAFLD is increased in women with PCOS and the presence of NAFLD is associated with high serum androgen levels, in addition to obesity and insulin resistance.
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Affiliation(s)
- A L L Rocha
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - L C Faria
- Department of Internal Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - T C M Guimarães
- Department of Internal Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - G V Moreira
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - A L Cândido
- Department of Internal Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - C A Couto
- Department of Internal Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - F M Reis
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.
- Division of Human Reproduction, Departments of Obstetrics and Gynecology, Hospital das Clínicas, Universidade Federal de Minas Gerais, Av. Alfredo Balena, 110, 9˚ andar, Belo Horizonte, MG, 30130-100, Brazil.
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20
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Cardiovascular risk markers among obese women using the levonorgestrel-releasing intrauterine system: A randomised controlled trial. Obes Res Clin Pract 2017; 11:687-693. [DOI: 10.1016/j.orcp.2017.06.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Revised: 05/28/2017] [Accepted: 06/02/2017] [Indexed: 11/21/2022]
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21
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Ramoglu S, Yoldemir T, Atasayan K, Yavuz DG. Does cardiovascular risk vary according to the criteria for a diagnosis of polycystic ovary syndrome? J Obstet Gynaecol Res 2017; 43:1848-1854. [DOI: 10.1111/jog.13455] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 05/27/2017] [Accepted: 06/28/2017] [Indexed: 11/28/2022]
Affiliation(s)
- Sedef Ramoglu
- Marmara University School of Medicine; Department of Obstetrics and Gynecology; İstanbul Turkey
| | - Tevfik Yoldemir
- Marmara University School of Medicine; Department of Obstetrics and Gynecology; İstanbul Turkey
| | - Kemal Atasayan
- Marmara University School of Medicine; Department of Obstetrics and Gynecology; İstanbul Turkey
| | - Dilek Gogas Yavuz
- Marmara University School of Medicine; Department of Internal Medicine, Section of Endocrinology and Metabolism; Istanbul Turkey
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22
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Kim JJ, Kim D, Yim JY, Kang JH, Han KH, Kim SM, Hwang KR, Ku SY, Suh CS, Kim SH, Choi YM. Polycystic ovary syndrome with hyperandrogenism as a risk factor for non-obese non-alcoholic fatty liver disease. Aliment Pharmacol Ther 2017; 45:1403-1412. [PMID: 28370150 DOI: 10.1111/apt.14058] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 12/13/2016] [Accepted: 03/04/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND Non-alcoholic fatty liver disease (NAFLD) is known to be associated with polycystic ovary syndrome (PCOS). However, most studies investigated the prevalence of NAFLD in obese PCOS patients. AIM To compare the prevalence of non-obese NAFLD in women with or without PCOS, and to assess an independent association between PCOS and NAFLD in a non-obese Asian cohort. METHODS This was a case-control study using a prospective PCOS cohort. After subjects with other potential causes of chronic liver disease were excluded, 275 non-obese women with PCOS and 892 non-obese controls were enrolled. NAFLD was determined by hepatic ultrasonography. Main outcomes were the prevalence of NAFLD on hepatic ultrasonography between non-obese women with or without PCOS, and an independent association between non-obese NAFLD and PCOS. RESULTS Non-obese women with PCOS had a significantly higher prevalence of NAFLD than those without PCOS (5.5% vs. 2.8%, P = 0.027). PCOS was associated with non-obese NAFLD (odds ratio: 2.62, 95% confidence intervals: 1.25-5.48) after adjustment for age and body mass index (BMI). In women with PCOS, the level of androgenicity represented by free testosterone or free androgen index was associated with NAFLD after adjustment for age, BMI, lipid profile, insulin resistance or glycaemic status. CONCLUSIONS Non-obese NAFLD is more prevalent in women with polycystic ovary syndrome than in those without. In non-obese patients with polycystic ovary syndrome, hyperandrogenemia may be an independent risk factor for non-obese NAFLD.
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Affiliation(s)
- J J Kim
- Department of Obstetrics and Gynecology, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea.,The Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University College of Medicine, Seoul, Korea
| | - D Kim
- Department of Internal Medicine, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea.,Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, CA, USA
| | - J Y Yim
- Department of Internal Medicine, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea
| | - J H Kang
- Department of Radiology, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea
| | - K H Han
- Department of Obstetrics and Gynecology, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea
| | - S M Kim
- Department of Obstetrics and Gynecology, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul, Korea
| | - K R Hwang
- Department of Obstetrics and Gynecology, Seoul Municipal Boramae Hospital, Seoul, Korea
| | - S Y Ku
- The Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University College of Medicine, Seoul, Korea.,Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - C S Suh
- The Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University College of Medicine, Seoul, Korea.,Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - S H Kim
- The Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University College of Medicine, Seoul, Korea.,Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - Y M Choi
- The Institute of Reproductive Medicine and Population, Medical Research Center, Seoul National University College of Medicine, Seoul, Korea.,Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
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ANDRADE VICTORHUGOLOPESDE, MATA ANAMARIAOLIVEIRAFERREIRADA, BORGES RAFAELSOARES, COSTA-SILVA DANYLORAFHAEL, MARTINS LUANAMOTA, FERREIRA PAULOMICHELPINHEIRO, CUNHA-NUNES LÍVIOCÉSAR, SILVA BENEDITOBORGESDA. Current aspects of polycystic ovary syndrome: A literature review. Rev Assoc Med Bras (1992) 2016; 62:867-871. [DOI: 10.1590/1806-9282.62.09.867] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 01/30/2016] [Indexed: 01/14/2023] Open
Abstract
SUMMARY Polycystic ovary syndrome (PCOS) is a heterogeneous endocrine disorder with variable prevalence, affecting about one in every 15 women worldwide. The diagnosis of polycystic ovary syndrome requires at least two of the following criteria: oligoovulation and/or anovulation, clinical and/or biochemical evidence of hyperandrogenism and morphology of polycystic ovaries. Women with PCOS appear to have a higher risk of developing metabolic disorders, hypertension and cardiovascular disorders. The aim of this article was to present a review of the literature by searching the databases Pubmed and Scielo, focusing on publications related to polycystic ovaries, including its pathogenesis, clinical manifestations, diagnosis and therapeutic aspects, as well as its association with cardiovascular and arterial hypertensive disorders.
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Mikolasevic I, Milic S, Turk Wensveen T, Grgic I, Jakopcic I, Stimac D, Wensveen F, Orlic L. Nonalcoholic fatty liver disease - A multisystem disease? World J Gastroenterol 2016; 22:9488-9505. [PMID: 27920470 PMCID: PMC5116593 DOI: 10.3748/wjg.v22.i43.9488] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/30/2016] [Accepted: 10/19/2016] [Indexed: 02/06/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the most common comorbidities associated with overweight and metabolic syndrome (MetS). Importantly, NAFLD is one of its most dangerous complications because it can lead to severe liver pathologies, including fibrosis, cirrhosis and hepatic cellular carcinoma. Given the increasing worldwide prevalence of obesity, NAFLD has become the most common cause of chronic liver disease and therefore is a major global health problem. Currently, NAFLD is predominantly regarded as a hepatic manifestation of MetS. However, accumulating evidence indicates that the effects of NAFLD extend beyond the liver and are negatively associated with a range of chronic diseases, most notably cardiovascular disease (CVD), diabetes mellitus type 2 (T2DM) and chronic kidney disease (CKD). It is becoming increasingly clear that these diseases are the result of the same underlying pathophysiological processes associated with MetS, such as insulin resistance, chronic systemic inflammation and dyslipidemia. As a result, they have been shown to be independent reciprocal risk factors. In addition, recent data have shown that NAFLD actively contributes to aggravation of the pathophysiology of CVD, T2DM, and CKD, as well as several other pathologies. Thus, NAFLD is a direct cause of many chronic diseases associated with MetS, and better detection and treatment of fatty liver disease is therefore urgently needed. As non-invasive screening methods for liver disease become increasingly available, detection and treatment of NAFLD in patients with MetS should therefore be considered by both (sub-) specialists and primary care physicians.
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Ayonrinde OT, Adams LA, Doherty DA, Mori TA, Beilin LJ, Oddy WH, Hickey M, Sloboda DM, Olynyk JK, Hart R. Adverse metabolic phenotype of adolescent girls with non-alcoholic fatty liver disease plus polycystic ovary syndrome compared with other girls and boys. J Gastroenterol Hepatol 2016; 31:980-7. [PMID: 26589977 DOI: 10.1111/jgh.13241] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/14/2015] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND AIMS Non-alcoholic fatty liver disease (NAFLD) and polycystic ovary syndrome (PCOS) share risk associations of adiposity and insulin resistance. We examined the impact of a PCOS diagnosis on the metabolic phenotype of adolescent girls with NAFLD and compared this to girls without PCOS or NAFLD and to age-matched boys. METHODS Community-based adolescents from the Raine Cohort participated in assessments for NAFLD (572 girls and 592 boys) and PCOS (244 girls). One hundred and ninety-nine girls attended both assessments. RESULTS Amongst the 199 girls, PCOS was diagnosed in 16.1% and NAFLD in 18.6%. NAFLD was diagnosed in 10.1% of the boys. NAFLD was more prevalent in girls with PCOS than girls without PCOS (37.5% vs 15.1%, P = 0.003). Girls with NAFLD plus PCOS had greater adiposity (waist circumference, body mass index, suprailiac skinfold thickness [SST], serum androgens, high-sensitivity C-reactive protein, ferritin, homeostasis model assessment for insulin resistance (HOMA-IR), and lower serum sex hormone binding globulin levels than girls with NAFLD without a PCOS diagnosis (all P < 0.05). Girls with NAFLD plus PCOS had similar adiposity, HOMA-IR, and adiponectin levels to boys with NAFLD, but more adiposity, serum leptin and HOMA-IR than both girls and boys without NAFLD. PCOS (odds ratios 2.99, 95% confidence intervals 1.01-8.82, P = 0.048) and SST (odds ratios 1.14, 95% confidence intervals 1.08-1.20, P < 0.001) independently predicted NAFLD in adolescent girls, however, serum androgens and HOMA-IR levels did not. CONCLUSIONS Adolescent girls with NAFLD plus PCOS have a similar metabolic phenotype to boys with NAFLD. Increasing SST and pre-existing PCOS independently predict NAFLD in adolescent girls.
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Affiliation(s)
- Oyekoya T Ayonrinde
- School of Medicine and Pharmacology, The University of Western Australia, Perth, Western Australia, Australia.,Department of Gastroenterology and Hepatology, Fiona Stanley Hospital, Perth, Western Australia, Australia.,Department of Gastroenterology, Fremantle Hospital, Fremantle, Western Australia, Australia.,Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia
| | - Leon A Adams
- School of Medicine and Pharmacology, The University of Western Australia, Perth, Western Australia, Australia.,Liver Transplantation Unit, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia
| | - Dorota A Doherty
- School of Women's and Infants' Health, The University of Western Australia, Perth, Western Australia, Australia
| | - Trevor A Mori
- School of Medicine and Pharmacology, The University of Western Australia, Perth, Western Australia, Australia
| | - Lawrence J Beilin
- School of Medicine and Pharmacology, The University of Western Australia, Perth, Western Australia, Australia
| | - Wendy H Oddy
- Centre for Child Health Research, Telethon Institute for Child Health Research, The University of Western Australia, Perth, Western Australia, Australia
| | - Martha Hickey
- Department of Obstetrics and Gynaecology, University of Melbourne, Melbourne, Victoria, Australia.,The Royal Women's Hospital, Melbourne, Victoria, Australia
| | - Deborah M Sloboda
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - John K Olynyk
- Department of Gastroenterology and Hepatology, Fiona Stanley Hospital, Perth, Western Australia, Australia.,Department of Gastroenterology, Fremantle Hospital, Fremantle, Western Australia, Australia.,Faculty of Health Sciences, Curtin University, Perth, Western Australia, Australia.,Murdoch University, Perth, Western Australia, Australia
| | - Roger Hart
- School of Women's and Infants' Health, The University of Western Australia, Perth, Western Australia, Australia
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Abstract
Nonalcoholic fatty liver disease (NAFLD) is an important cause of liver disease that is often associated with the metabolic syndrome. There is a growing awareness that extrahepatic complications occur in individuals with NAFLD, especially an increased risk of cardiovascular disease. Development of diabetes mellitus, chronic kidney disease, colorectal cancer, and endocrinopathies has been linked to NAFLD. This article reviews the extrahepatic complications affecting individuals with NAFLD and the pathogenesis underlying their development.
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Affiliation(s)
- Kristina R Chacko
- Department of Medicine, Albert Einstein College of Medicine, 111 East 210th Street, Rosenthal 2C, Bronx, NY 10467, USA
| | - John Reinus
- Department of Medicine, Albert Einstein College of Medicine, 111 East 210th Street, Rosenthal 2C, Bronx, NY 10467, USA.
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Targher G, Rossini M, Lonardo A. Evidence that non-alcoholic fatty liver disease and polycystic ovary syndrome are associated by necessity rather than chance: a novel hepato-ovarian axis? Endocrine 2016; 51:211-21. [PMID: 26024975 DOI: 10.1007/s12020-015-0640-8] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Accepted: 05/22/2015] [Indexed: 02/06/2023]
Abstract
Increasing evidence suggests that non-alcoholic fatty liver disease (NAFLD) and polycystic ovary syndrome (PCOS) are associated with obesity, insulin resistance, metabolic syndrome, cardiovascular disease, cirrhosis, and liver tumors. On these grounds, we have hypothesized that NAFLD and PCOS occur more frequently than expected by chance alone. We have tested this hypothesis by reviewing the clinical and biological evidence that supports a significant association between NAFLD and PCOS. PubMed was extensively searched for articles published through March 2015 using the keywords "nonalcoholic fatty liver disease" or "fatty liver" combined with "PCOS." Several cross-sectional and case-control studies have consistently demonstrated that the prevalence of NAFLD is remarkably increased in young women with PCOS, independent of overweight/obesity and other coexisting metabolic syndrome features, and that these women are more likely to have the more severe forms of NAFLD (non-alcoholic steatohepatitis, advanced fibrosis, and cirrhosis). Accumulating evidence suggests that NAFLD, especially its necro-inflammatory form, may exacerbate hepatic and systemic insulin resistance and releases multiple pro-inflammatory, pro-coagulant, and pro-fibrogenic mediators that may play important roles in the pathophysiology of PCOS. These findings call for more active and systematic search for NAFLD among women with PCOS. Conversely, gastroenterologists/hepatologists need to be aware of the presence of PCOS among female patients with NAFLD and compatible clinical features. Finally, all these patients should undergo regular follow-up not only for liver-related complications but also for cardio-metabolic diseases.
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Affiliation(s)
- Giovanni Targher
- Section of Endocrinology, Diabetes and Metabolism, Department of Medicine, University and Azienda Ospedaliera Universitaria Integrata of Verona, Piazzale Stefani, 1, 37126, Verona, Italy.
| | - Maurizio Rossini
- Section of Rheumatology, Department of Medicine, University and Azienda Ospedaliera Universitaria Integrata of Verona, Verona, Italy
| | - Amedeo Lonardo
- Outpatient Liver Clinic and Division of Internal Medicine - Department of Biomedical, Metabolic and Neural Sciences, NOCSAE, Baggiovara, Azienda USL, University of Modena and Reggio Emilia, Modena, Italy
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Behboudi-Gandevani S, Ramezani Tehrani F, Rostami Dovom M, Farahmand M, Bahri Khomami M, Noroozzadeh M, Kabir A, Azizi F. Insulin resistance in obesity and polycystic ovary syndrome: systematic review and meta-analysis of observational studies. Gynecol Endocrinol 2016; 32:343-53. [PMID: 27052492 DOI: 10.3109/09513590.2015.1117069] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
We aimed at investigating whether insulin resistance (IR)/sensitivity are impaired in obese/non-obese polycystic ovary syndrome (PCOS) and obese/non-obese healthy controls. A comprehensive literature search was performed for observational, English language studies. Meta-analysis was performed with the random effects model according to the heterogeneity. Eligible studies, involving 3037 women in four groups of: 1-obese, PCOS; 2-non-obese, PCOS, 3-obese, non-PCOS and 4-Non-obese, non-PCOS were included. Based on the insulin resistance index (HOMA-IR) analysis, the pooled mean (95% Conf. Interval) of HOMA IR in groups 1-4 were 4.38 (3.84, 4.92), 2.68 (2.16, 3.20), 2.44 (2.06, 2.82) and 1.34 (1.06, 1.63), respectively. Meta-analysis showed that group 1 (obese, PCOS patients) statistically have the highest IR and group 4 (non-obese, non-PCOS women) have the highest insulin sensitivity. Group 2 (non-obese, PCOS patients) and group 3 (obese, non-PCOS women) were between this range and they had lower IR than group 1 (obese, PCOS) and lower insulin sensitivity than group 4 (non-obese, non-PCOS). So, there were statistical differences between all groups except between groups 2 and 3. Insulin sensitivity indexes (quickie and ISI), also confirm the IR index (HOMA-IR) results. Based on different IR/sensitivity indexes, we found no evidence of any different effects of BMI ≥ 30 kg/m(2) on IR/sensitivity. In conclusion, PCOS status intensifies the adverse effects of obesity on IR, it has to be appropriately addressed in primary and secondary preventive cares and treatments provided for these women.
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Affiliation(s)
- Samira Behboudi-Gandevani
- a Reproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Fahimeh Ramezani Tehrani
- a Reproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Marzieh Rostami Dovom
- a Reproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Maryam Farahmand
- a Reproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Mahnaz Bahri Khomami
- a Reproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Mahsa Noroozzadeh
- a Reproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran
| | - Ali Kabir
- c Minimally Invasive Surgery Research Center, Department of Community Medicine, School of Medicine, Iran University of Medical Sciences , Tehran , Iran
| | - Fereidoun Azizi
- b Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences , Tehran , Iran , and
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Alves JA, Miyague AH, de Sousa PC, Maia SB, da Silva Costa F, Martins WP. Brachial Artery Flow Mediated Dilation in the First Trimester to Predict the Occurrence of Hypertensive Disorders during Pregnancy. Fetal Diagn Ther 2015; 37:316-20. [DOI: 10.1159/000366059] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 07/21/2014] [Indexed: 11/19/2022]
Abstract
Objectives: To determine whether brachial artery flow-mediated dilation (FMD) assessed by ultrasonography during the late first trimester is able to predict the occurrence of hypertensive disorders during pregnancy. Methods: Maternal endothelial function was assessed by flow-mediated dilation (FMD) of the brachial artery in 487 pregnant women at 11-13+6 weeks' gestation. Subjects were prospectively followed and grouped according to the outcomes related to hypertensive disorders. We determined the areas under receiver operating characteristic (ROC) curve with their respective 95% confidence intervals (CI) for using low FMD results to predict the occurrence of hypertensive disorders during pregnancy. Results: Among 487 women, 9 (1.8%) were diagnosed with early-onset preeclampsia, 22 (4.5%) were diagnosed with late-onset preeclampsia, 47 (9.7%) developed gestational hypertension, and the remaining 409 (84%) pregnancies were unaffected by hypertensive disorders. Area under ROC curve analyses demonstrated that FMD was not able to predict pregnancies that developed hypertensive disorders. Conclusions: We conclude that FMD should not be considered a potential first-trimester marker of hypertensive disorders during pregnancy.
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Ramezani-Binabaj M, Motalebi M, Karimi-sari H, Rezaee-Zavareh MS, Alavian SM. Are women with polycystic ovarian syndrome at a high risk of non-alcoholic Fatty liver disease; a meta-analysis. HEPATITIS MONTHLY 2014; 14:e23235. [PMID: 25598791 PMCID: PMC4286712 DOI: 10.5812/hepatmon.23235] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
CONTEXT Insulin resistance is a hallmark of metabolic syndrome (MS). It has been proposed that both polycystic ovarian syndrome (PCOS) and nonalcoholic fatty liver disease (NAFLD) are correlated with Insulin resistance. Therefore, PCOS and NAFLD can be attributed with insulin resistance and therefore MS. The aim of this meta-analysis was to determine whether PCOS patients are at a high risk of NAFLD. EVIDENCE ACQUISITION Google scholar, Scopus, ISI Web of Science, Embase, MEDLINE, and some Iranian databases such as scientific information database (SID), IranMedex, and MagIran were searched to identify relevant studies. We included all papers regardless of their language from January 1985 to June 2013. By using data on prevalence of NAFLD in patients with and without PCOS, odds ratio (OR) with 95% confidence intervals (CIs) were calculated in each study. Chi-squared test was used to assess heterogeneity between studies. RESULTS We finally included seven eligible studies. According to chi-squared test, there was a significant heterogeneity (73.6%) between studies (P = 0.001). NAFLD prevalence was significantly higher in patients with PCOS compared to healthy control, with an overall OR of 3.93 (95% CI: 2.17, 7.11).There was no significant publication bias based on Begg's and Egger's tests. CONCLUSIONS According to the results of this meta-analysis, there was a high risk of NAFLD in women with PCOS. We suggest evaluating patients with PCOS regarding NAFLD.
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Affiliation(s)
- Mahdi Ramezani-Binabaj
- Students' Research Committee, Baqiyatallah University of Medical Sciences, Tehran, IR Iran
- Middle East Liver Diseases Center (MELD), Tehran, IR Iran
| | - Mohsen Motalebi
- Nephrology and Urology Research Center, Baqiyatallah University of Medical Sciences, Tehran, IR Iran
- Corresponding Author: Mohsen Motalebi, Nephrology and Urology Research Center, Baqiyatallah University of Medical Sciences, Tehran, IR Iran. Tel/Fax: +98-2181262073, E-mail:
| | - Hamidreza Karimi-sari
- Students' Research Committee, Baqiyatallah University of Medical Sciences, Tehran, IR Iran
| | - Mohammad Saeid Rezaee-Zavareh
- Students' Research Committee, Baqiyatallah University of Medical Sciences, Tehran, IR Iran
- Middle East Liver Diseases Center (MELD), Tehran, IR Iran
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Martins WP, Kollmann M, Raine-Fenning N. Counting ovarian follicles: updated threshold for diagnosis of hyperandrogenic anovulation. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2014; 44:131-134. [PMID: 25088509 DOI: 10.1002/uog.13402] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 02/24/2014] [Accepted: 03/07/2014] [Indexed: 06/03/2023]
Affiliation(s)
- W P Martins
- Department of Obstetrics and Gynecology,Medical School of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Brazil; School of Health Technology - Ultrasonography School of Ribeirao Preto (FATESA-EURP), Ribeirao Preto, Brazil
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Dietrich P, Hellerbrand C. Non-alcoholic fatty liver disease, obesity and the metabolic syndrome. Best Pract Res Clin Gastroenterol 2014; 28:637-53. [PMID: 25194181 DOI: 10.1016/j.bpg.2014.07.008] [Citation(s) in RCA: 298] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Revised: 06/25/2014] [Accepted: 07/05/2014] [Indexed: 02/07/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is now recognized as the most common cause of chronic liver disease worldwide. Its prevalence has increased to more than 30% of adults in developed countries and its incidence is still rising. The majority of patients with NAFLD have simple steatosis but in up to one third of patients, NAFLD progresses to its more severe form nonalcoholic steatohepatitis (NASH). NASH is characterized by liver inflammation and injury thereby determining the risk to develop liver fibrosis and cancer. NAFLD is considered the hepatic manifestation of the metabolic syndrome. However, the liver is not only a passive target but affects the pathogenesis of the metabolic syndrome and its complications. Conversely, pathophysiological changes in other organs such as in the adipose tissue, the intestinal barrier or the immune system have been identified as triggers and promoters of NAFLD progression. This article details the pathogenesis of NAFLD along with the current state of its diagnosis and treatment.
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Affiliation(s)
- Peter Dietrich
- Institute of Pathology, University Regensburg, 93053 Regensburg, Germany
| | - Claus Hellerbrand
- Department of Internal Medicine I, University Hospital Regensburg, 93053 Regensburg, Germany.
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Vassilatou E. Nonalcoholic fatty liver disease and polycystic ovary syndrome. World J Gastroenterol 2014; 20:8351-8363. [PMID: 25024594 PMCID: PMC4093689 DOI: 10.3748/wjg.v20.i26.8351] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Revised: 12/18/2013] [Accepted: 04/16/2014] [Indexed: 02/06/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease in the Western world comprising a spectrum of liver damage from fatty liver infiltration to end-stage liver disease, in patients without significant alcohol consumption. Increased prevalence of NAFLD has been reported in patients with polycystic ovary syndrome (PCOS), one of the most common endocrinopathies in premenopausal women, which has been redefined as a reproductive and metabolic disorder after the recognition of the important role of insulin resistance in the pathophysiology of the syndrome. Obesity, in particular central adiposity and insulin resistance are considered as the main factors related to NAFLD in PCOS. Moreover, existing data support that androgen excess, which is the main feature of PCOS and is interrelated to insulin resistance, may be an additional contributing factor to the development of NAFLD. Although the natural history of NAFLD remains unclear and hepatic steatosis seems to be a relatively benign condition in most patients, limited data imply that advanced stage of liver disease is possibly more frequent in obese PCOS patients with NAFLD. PCOS patients, particularly obese patients with features of the metabolic syndrome, should be submitted to screening for NAFLD comprising assessment of serum aminotransferase levels and of hepatic steatosis by abdominal ultrasound. Lifestyle modifications including diet, weight loss and exercise are the most appropriate initial therapeutic interventions for PCOS patients with NAFLD. When pharmacologic therapy is considered, metformin may be used, although currently there is no medical therapy of proven benefit for NAFLD. Long-term follow up studies are needed to clarify clinical implications and guide appropriate diagnostic evaluation, follow-up protocol and optimal treatment for PCOS patients with NAFLD.
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Arterial stiffness is increased in asymptomatic nondiabetic postmenopausal women with a polycystic ovary syndrome phenotype. J Hypertens 2014; 31:1998-2004. [PMID: 24107731 DOI: 10.1097/hjh.0b013e3283630362] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVE The metabolic dysfunction accompanying the polycystic ovary syndrome (PCOS) may increase the risk of hypertension and cardiovascular disease (CVD). Although menopause per se may be an additional risk factor of CVD, the association between PCOS in postmenopausal women and cardiovascular risk has not been adequately investigated. We aimed to evaluate the effect of PCOS on markers of subclinical atherosclerosis in nondiabetic postmenopausal women. METHODS This cross-sectional study included 286 postmenopausal women with intact ovaries. PCOS phenotype was defined if three of the following were present: insulin resistance, current hyperandrogenism or history of clinical androgen excess, history of infertility, central obesity and history of irregular menses. Traditional CVD risk factors, as well as indices of arterial structure (intima-media thickness, atheromatous plaques presence) and function [flow-mediated dilation, pulse wave velocity (PWV), augmentation index] were compared between women with a PCOS phenotype and the rest of the sample, who served as controls. RESULTS Women with the PCOS phenotype (N=43) had higher SBP and triglycerides and lower high-density lipoprotein (HDL)-cholesterol than controls. Mean values of PWV differed significantly between PCOS cases and controls (9.46±1.74 vs. 8.60±1.51 m/s, P=0.001, univariate). Multivariate regression analysis showed that the PCOS phenotype, age and SBP were the only independent predictors of PWV. CONCLUSION Arterial stiffness is increased in asymptomatic, nondiabetic women with a putative PCOS phenotype, independently of age, BMI or blood pressure. This might present one mechanism through which PCOS increases the risk of CVD and hypertension later in life.
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Armstrong MJ, Adams LA, Canbay A, Syn WK. Extrahepatic complications of nonalcoholic fatty liver disease. Hepatology 2014; 59:1174-97. [PMID: 24002776 DOI: 10.1002/hep.26717] [Citation(s) in RCA: 404] [Impact Index Per Article: 40.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Accepted: 08/26/2013] [Indexed: 12/12/2022]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a leading cause of chronic liver disease, and is strongly associated with the metabolic syndrome. In the last decade, it has become apparent that the clinical burden of NAFLD is not restricted to liver-related morbidity or mortality, and the majority of deaths in NAFLD patients are related to cardiovascular disease (CVD) and cancer. These findings have fuelled concerns that NAFLD may be a new, and added risk factor for extrahepatic diseases such as CVD, chronic kidney disease (CKD), colorectal cancer, endocrinopathies (including type 2 diabetes mellitus [T2DM] and thyroid dysfunction), and osteoporosis. In this review we critically appraise key studies on NAFLD-associated extrahepatic disease. There was marked heterogeneity between studies in study design (cross-sectional versus prospective; sample size; presence/absence of well-defined controls), population (ethnic diversity; community-based versus hospital-based cohorts), and method of NAFLD diagnosis (liver enzymes versus imaging versus biopsy). Taking this into account, the cumulative evidence to date suggests that individuals with NAFLD (specifically, nonalcoholic steatohepatitis) harbor an increased and independent risk of developing CVD, T2DM, CKD, and colorectal neoplasms. We propose future studies are necessary to better understand these risks, and suggest an example of a screening strategy.
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Affiliation(s)
- Matthew J Armstrong
- NIHR Liver Biomedical Research Unit and Centre for Liver Research, University of Birmingham, Birmingham, UK
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Kuliczkowska Plaksej J, Laczmanski L, Milewicz A, Lenarcik-Kabza A, Trzmiel-Bira A, Zaleska-Dorobisz U, Lwow F, Hirnle L. Cannabinoid receptor 1 gene polymorphisms and nonalcoholic Fatty liver disease in women with polycystic ovary syndrome and in healthy controls. Int J Endocrinol 2014; 2014:232975. [PMID: 25136364 PMCID: PMC4127238 DOI: 10.1155/2014/232975] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Revised: 05/07/2014] [Accepted: 06/17/2014] [Indexed: 12/31/2022] Open
Abstract
Context. Polycystic ovary syndrome (PCOS) is frequently associated with nonalcoholic fatty liver disease (NAFLD). The endocannabinoid system may play a crucial role in the pathogenesis of NAFLD. Polymorphism of the cannabinoid receptor 1 gene (CNR1) may be responsible for individual susceptibility to obesity and related conditions. Objective. To determine the role of genetic variants of CNR1 in the etiopathology of NAFLD in women with PCOS. Design and Setting. Our department (a tertiary referral center) conducted a cross-sectional, case-controlled study. Subjects. 173 women with PCOS (aged 20-35) and 125 healthy, age- and weight-matched controls were studied. Methods. Hepatic steatosis was assessed by ultrasound evaluation. Single nucleotide polymorphisms of CNR1 (rs806368, rs12720071, rs1049353, rs806381, rs10485170, rs6454674) were genotyped. Results. Frequency of the G allele of rs806381 (P < 0.025) and the GG genotype of rs10485170 (P < 0.03) was significantly higher in women with PCOS and NAFLD than in PCOS women without NAFLD. Frequency of the TT genotype of rs6454674 was higher in PCOS women with NAFLD (not significantly, P = 0.059). In multivariate stepwise regression, allele G of rs806381 was associated with PCOS + NAFLD phenotype. Conclusion. Our preliminary results suggest the potential role of CNR1 polymorphisms in the etiology of NAFLD, especially in PCOS women.
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Affiliation(s)
- Justyna Kuliczkowska Plaksej
- Department of Endocrinology, Diabetology and Isotope Therapy, Wroclaw Medical University, 4 Pasteura Street, 50-367 Wroclaw, Poland
- *Justyna Kuliczkowska Plaksej:
| | - Lukasz Laczmanski
- Department of Endocrinology, Diabetology and Isotope Therapy, Wroclaw Medical University, 4 Pasteura Street, 50-367 Wroclaw, Poland
| | - Andrzej Milewicz
- Department of Endocrinology, Diabetology and Isotope Therapy, Wroclaw Medical University, 4 Pasteura Street, 50-367 Wroclaw, Poland
| | - A. Lenarcik-Kabza
- Department of Endocrinology, Diabetology and Isotope Therapy, Wroclaw Medical University, 4 Pasteura Street, 50-367 Wroclaw, Poland
| | - Anna Trzmiel-Bira
- Department of Endocrinology, Diabetology and Isotope Therapy, Wroclaw Medical University, 4 Pasteura Street, 50-367 Wroclaw, Poland
| | - Urszula Zaleska-Dorobisz
- Department of Radiology, Wroclaw Medical University, 68 Curie-Sklodowskiej Street, 50-369 Wroclaw, Poland
| | - Felicja Lwow
- Department of Health Promotion, University School of Physical Education, 35 Paderewskiego Street, 51-612 Wroclaw, Poland
| | - Lidia Hirnle
- First Department of Gynaecology and Obstetrics, Wroclaw Medical University, 3 Chalubinskiego Street, 50-368 Wroclaw, Poland
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Abstract
Non-alcoholic fatty liver disease (NAFLD) is a spectrum of disease spanning from simple benign steatosis to steatohepatitis with fibrosis and scarring that can eventually lead to cirrhosis. Its prevalence is rising rapidly and is developing into the leading indication for liver transplantation worldwide. Abnormalities in endocrine axes have been associated with NALFD, including hypogonadism, hypothyroidism, GH deficiency and hypercortisolaemia. In some instances, correction of the endocrine defects has been shown to have a beneficial impact. While in patients with type 2 diabetes the association with NAFLD is well established and recognised, there is a more limited appreciation of the condition among common endocrine diseases presenting with hormonal excess or deficiency. In this review, we examine the published data that have suggested a mechanistic link between endocrine abnormalities and NAFLD and summarise the clinical data endorsing these observations.
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Affiliation(s)
- Jonathan M Hazlehurst
- Centre for Diabetes, Endocrinology and Metabolism, School of Clinical and Experimental Medicine, Institute of Biomedical Research, University of Birmingham, Birmingham B15 2YY, UK
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Scicchitano P, Dentamaro I, Carbonara R, Bulzis G, Dachille A, Caputo P, Riccardi R, Locorotondo M, Mandurino C, Matteo Ciccone M. Cardiovascular Risk in Women With PCOS. Int J Endocrinol Metab 2012; 10:611-8. [PMID: 23843832 PMCID: PMC3693634 DOI: 10.5812/ijem.4020] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Revised: 03/07/2012] [Accepted: 03/18/2012] [Indexed: 12/30/2022] Open
Abstract
Polycystic ovary syndrome (PCOS), or Stein-Leventhal syndrome, is a common endocrine disorder defined by two of the three following features: i) oligoovulation or anovulation, ii) clinical and/or biochemical signs of hyperandrogenism, or iii) polycystic ovaries, once the related endocrinological and gynaecological disorders have been excluded. PCOS does not exclusively involve the reproductive apparatus , it has a complex number of systemic relevancy symptoms. It leads to Metabolic Syndrome, with severe consequences on the cardiovascular apparatus. Many clinical studies have underlined the connection between PCOS and the cardiovascular risk profile of such female patients, due to a lipid/glucose altered metabolism, hypertension, systemic inflammatory condition (assessable by markers such as VES, TNF-alfa, citokines and C-reactive protein (hsPCR) levels), and vascular injuries. Considering the early onset of the disease, PCOS could be considered as a real cardiovascular risk factor which affects the quality of life seriously. The current review aimed to point out the main connections between PCOS and cardiovascular risk factors according to the latest findings coming from literature data analysis, and try to depict the great influences that such a common disease can have on the patients' health integrity.
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Affiliation(s)
- Pietro Scicchitano
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Ilaria Dentamaro
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Rosa Carbonara
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Gabriella Bulzis
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Annamaria Dachille
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Paola Caputo
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Roberta Riccardi
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Manuela Locorotondo
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Cosimo Mandurino
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
| | - Marco Matteo Ciccone
- Section of Cardiovascular Diseases, Department of Emergency and Organ Transplantation, University of Bari, School of Medicine, Policlinico, Bari, Italy
- Corresponding author: Marco Matteo Ciccone, Section of Cardiovascular Diseases, DETO, University of Bari, School of Medicine, Policlinico, Bari, Piazza G. Cesare 11 - 70124, Bari, Italy. Tel.: +39-0805478791, Fax: +39-0805478796, E-mail:
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