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Dotlic J, Markovic N, Gazibara T. Patterns of smoking and menopause-specific quality of life: smoking duration matters more. Behav Med 2023; 49:29-39. [PMID: 34818993 DOI: 10.1080/08964289.2021.1958739] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Evidence about the association of quantity of cigarettes smoked and duration of smoking with quality of life in menopause is sparse. The purpose of this study was to examine the association between smoking patterns and menopause-specific quality of life. This cross-sectional study included 513 consecutive midlife women at two primary health care centers in Belgrade, Serbia. Collection of data was carried out from February 2014 to January 2015, using three questionnaires: socio-epidemiologic questionnaire, Menopause-specific Quality of Life questionnaire (MENQOL) and Beck's Depression Inventory (BDI). Women reported their smoking status (smoker, former smoker, non-smoker), the length of time spent smoking and quantity of cigarettes smoked per day. There was no difference in proportions of ever smokers compared to never smokers. However, there were more women who were current nonsmokers than current smokers. A linear regression model, adjusted for residency district, relationship status, educational level, employment, drinking alcohol, having exercise, age and BDI, showed that longer duration of smoking, but not number of cigarettes smoked per day, was associated with worse Physical domain and total MENQOL score. Receiver Operating Characteristic analysis showed that menopausal symptoms as measured by total MENQOL score were significantly less bothersome for women who smoked less than 10 years and significantly more intense in women who smoked 21 to 30 years. Midlife women should be encouraged to quit smoking as soon as possible, preferably before menopause. Strategies to prevent and quit smoking should be prioritized at all levels of health care delivery for women.Supplemental data for this article is available online at.
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Affiliation(s)
- Jelena Dotlic
- Clinic for Obstetrics and Gynecology, Clinical Center of Serbia, Belgrade, Serbia.,Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | | | - Tatjana Gazibara
- Institute for Epidemiology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
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Neff AM, Laws MJ, Warner GR, Flaws JA. The Effects of Environmental Contaminant Exposure on Reproductive Aging and the Menopause Transition. Curr Environ Health Rep 2022; 9:53-79. [PMID: 35103957 PMCID: PMC8988816 DOI: 10.1007/s40572-022-00334-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/12/2021] [Indexed: 01/09/2023]
Abstract
PURPOSE OF REVIEW Menopause marks the end of a woman's reproductive lifetime. On average, natural menopause occurs at 51 years of age. However, some women report an earlier age of menopause than the national average. This can be problematic for women who delay starting a family. Moreover, early onset of menopause is associated with increased risk of cardiovascular disease, depression, osteoporosis, and premature death. This review investigates associations between exposure to endocrine-disrupting chemicals (EDCs) and earlier onset of menopause. RECENT FINDINGS Recent data suggest exposure to certain EDCs may accelerate reproductive aging and contribute to earlier onset of menopause. Human and rodent-based studies identify positive associations between exposure to certain EDCs/environmental contaminants and reproductive aging, earlier onset of menopause, and occurrence of vasomotor symptoms. These findings increase our understanding of the detrimental effects of EDCs on female reproduction and will help lead to the development of strategies for the treatment/prevention of EDC-induced reproductive aging.
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Affiliation(s)
- Alison M Neff
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, 2001 South Lincoln Avenue, 3223 Vet Med Basic Sciences Bldg, Urbana, IL, 61802, USA
| | - Mary J Laws
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, 2001 South Lincoln Avenue, 3223 Vet Med Basic Sciences Bldg, Urbana, IL, 61802, USA
| | - Genoa R Warner
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, 2001 South Lincoln Avenue, 3223 Vet Med Basic Sciences Bldg, Urbana, IL, 61802, USA
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, 2001 South Lincoln Avenue, 3223 Vet Med Basic Sciences Bldg, Urbana, IL, 61802, USA.
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Warner GR, Pacyga DC, Strakovsky RS, Smith R, James-Todd T, Williams PL, Hauser R, Meling DD, Li Z, Flaws JA. Urinary phthalate metabolite concentrations and hot flashes in women from an urban convenience sample of midlife women. ENVIRONMENTAL RESEARCH 2021; 197:110891. [PMID: 33722529 PMCID: PMC8187273 DOI: 10.1016/j.envres.2021.110891] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 02/11/2021] [Accepted: 02/11/2021] [Indexed: 05/21/2023]
Abstract
CONTEXT Phthalate exposure is associated with altered reproductive function, but little is known about associations of phthalate exposure with risk of hot flashes. OBJECTIVE To investigate associations of urinary phthalate metabolite levels with four hot flash outcomes in midlife women. DESIGN A cross-sectional study of the first year of a prospective cohort of midlife women, the Midlife Women's Health Study (2006-2015), a convenience sample from an urban setting. PARTICIPANTS 728 multi-racial/ethnic pre- and perimenopausal women aged 45-54 years. OUTCOME MEASURES Women completed questionnaires about hot flash experience and provided 1-4 urine samples over four consecutive weeks that were pooled for analysis. Phthalate metabolites were assessed individually and as molar sums representative of common compounds (all phthalates: ƩPhthalates; DEHP: ƩDEHP), exposure sources (plastics: ƩPlastic; personal care products: ƩPCP), and modes of action (anti-androgenic: ƩAA). Covariate-adjusted logistic regression models were used to assess associations of continuous natural log-transformed phthalate metabolite concentrations with hot flash outcomes. Analyses were conducted to explore whether associations differed by menopause status, body mass index (BMI), race/ethnicity, and depressive symptoms. RESULTS Overall, 45% of women reported a history of hot flashes. Compared to women who never experienced hot flashes, every two-fold increase in ƩPlastic was associated with 18% (OR: 1.18; 95%CI: 0.98, 1.43) and 38% (OR: 1.38; 95%CI: 1.11, 1.70) higher odds of experiencing hot flashes in the past 30 days and experiencing daily/weekly hot flashes, respectively. Some associations of phthalates with certain hot flash outcomes differed by menopause status, BMI, race/ethnicity, and depressive symptoms. CONCLUSIONS This study suggests that phthalates are associated with hot flash experience and may impact hot flash risk in women who are susceptible to experiencing hot flashes.
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Affiliation(s)
- Genoa R Warner
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, 61802, USA
| | - Diana C Pacyga
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, 48823, USA; Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, 48823, USA; Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, 48823, USA
| | - Rita S Strakovsky
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, 48823, USA; Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, 48823, USA
| | - Rebecca Smith
- Department of Pathobiology, University of Illinois, Urbana, IL, 61802, USA
| | - Tamarra James-Todd
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Paige L Williams
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Russ Hauser
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Daryl D Meling
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, 61802, USA
| | - Zhong Li
- Roy J. Carver Biotechnology Center, University of Illinois, Urbana, IL, 61801, USA
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana, IL, 61802, USA; Institute for Genomic Biology, University of Illinois, Urbana, IL, 61802, USA.
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Higher intakes of fruits and vegetables are related to fewer menopausal symptoms: a cross-sectional study. ACTA ACUST UNITED AC 2021; 27:593-604. [PMID: 32068682 DOI: 10.1097/gme.0000000000001511] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVES The aim of this study was to explore the associations between fruit and vegetable (FV) intake, and its subgroups and menopausal symptoms along with its subtypes in postmenopausal women. METHODS This cross-sectional study included 393 postmenopausal women in municipality health centers in the south of Tehran, Iran. Sociodemographic data, dietary intakes, and anthropometric measures were obtained from individuals. Menopause rating scale (MRS) questionnaire was employed to measure menopausal symptoms. The total MRS score (TMRSS) was the sum of the somatic score (SS), psychological score (PS), and urogenital score (US). Participants were divided into low and high total MRS and its domain scores. RESULTS After adjustment for confounding variables, an inverse relationship was found between total FV with TMRSS (odds ratio [OR] 0.23, 95% confidence interval [CI] 0.06-0.81) and SS (OR 0.30, 95% CI 0.11-0.82). In addition, the consumption of total fruits was significantly related to lower SS (OR 0.27, 95% CI 0.10-0.71). Only intake of citrus fruits was inversely associated with TMRSS (OR 0.23, 95% CI 0.07-0.71) and SS (OR 0.28, 95% CI 0.11-0.70). Likewise, intakes of total FV (OR 2.46, 95% CI 1.37-4.41), total vegetables (OR 2.54, 95% CI 1.10-5.88), green leafy vegetables (OR 3.59, 95% CI 1.47-8.75), dark yellow vegetables (OR 2.28, 95% CI 1.00-5.18), other vegetables (OR 5.23, 95% CI 1.17-15.39), and citrus fruits were linked to higher US (OR 4.35, 95% CI 1.77-10.71). CONCLUSION The results of the present study showed that some FV subgroups had inverse associations with climacteric symptoms, whereas higher intake of some subgroups of FV appeared to be associated with more urogenital symptoms in postmenopausal women.
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Arnot M, Emmott EH, Mace R. The relationship between social support, stressful events, and menopause symptoms. PLoS One 2021; 16:e0245444. [PMID: 33503073 PMCID: PMC7840006 DOI: 10.1371/journal.pone.0245444] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 12/31/2020] [Indexed: 11/18/2022] Open
Abstract
Many women going through the menopausal transition experience vasomotor symptoms (VMS), and research has shown that there is a large amount of variation in their frequency and severity. Many lifestyle factors have been found to co-vary with VMS, including the level of social support received by the woman, and how stressed she is. Stress is well documented to worsen menopause symptoms, and there is some evidence that support eases them; however, there is little research into whether support is an effective buffer against the negative effects of stress on VMS. Using nine years of data from the Study of Women’s Health Across the Nation (n = 2718), we use multilevel Poisson regression with random effects to test: 1) if more social support is associated with decreased VMS frequency, 2) if increased life stress worsens VMS, and 3) if support acts as a buffer against stress. After adjusting for age, marital status, smoking, self-perceived overall health, ethnicity, and menopausal status, we find that stress increases the frequency of VMS. Contrary to our hypothesis, we did not find strong evidence that emotional support led to lower VMS frequency, or that support buffers against the effects of stress. Experience of a stressful event, but not amount of social support, was included in the best fitting model; with the degree to which the woman was upset by the life stressor having the largest effect on menopause symptoms. Here, women who said they were currently upset by a stressful event experienced 21% more VMS than women who had experienced no life stressor. This research highlights that social factors may impact the menopausal transition.
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Affiliation(s)
- Megan Arnot
- Department of Anthropology, University College London, London, United Kingdom
- * E-mail:
| | - Emily H. Emmott
- Department of Anthropology, University College London, London, United Kingdom
| | - Ruth Mace
- Department of Anthropology, University College London, London, United Kingdom
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Kumari A, Panigrahi A, Roy A, Panda J. Impaired Quality of Life and Its Determinants among Postmenopausal Women of Slum Communities in Bhubaneswar, India. J Midlife Health 2020; 11:149-155. [PMID: 33384538 PMCID: PMC7718935 DOI: 10.4103/jmh.jmh_111_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 04/11/2020] [Accepted: 06/22/2020] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND The severity of menopausal symptoms negatively impacts a woman's quality of life (QoL). OBJECTIVE The aim of the study was to assess the prevalence of menopause-related impaired QoL and determine its associated factors among postmenopausal women living in slum areas of Bhubaneswar, India. MATERIALS AND METHODS This cross-sectional study was conducted among 198 postmenopausal women aged 45-65 years during the year 2016-2017. The Menopause Rating Scale (MRS) was used to assess the prevalence and severity of menopausal symptoms. RESULTS Joint and muscular discomfort was the most prevalent moderate-to-severe symptom (90.4%), followed by hot flushes (72.8%), irritability (67.2%), and physical and mental exhaustion (64.2%). More than two-third (133, 67.2%) of women had impaired QoL (severe total MRS score ≥17). Multivariate logistic regression analysis revealed that impaired QoL was associated younger age (adjusted odds ratio [AOR]: 4.6, 95% confidence interval [CI]: 2.12-9.98), tobacco consumption (AOR: 2.0, 95% CI: 1.05-3.82), not being satisfied in relation with husband (AOR: 3.33, 95% CI: 1.84-6.06), not having autonomy in health-care decision-making in the family (AOR: 2.30, 95% CI: 1.12-4.73), history of reproductive tract infection (AOR: 4.57, 95% CI: 1.71-12.19), and earlier onset of menopause (AOR: 3.26, 95% CI: 1.18-8.96). CONCLUSION The point prevalence of menopause-related impaired QOL in postmenopausal women living in slums of Bhubaneswar was high. Incorporating these determinants in the existing strategies can be useful to improve the QoL of these women.
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Affiliation(s)
- Amrita Kumari
- Department of Community Medicine, PRM Medical College and Hospital, Baripada, Odisha, India
| | - Ansuman Panigrahi
- Department of Community Medicine and, Kalinga Institute of Medical Sciences, KIIT University, Bhubaneswar, Odisha, India
| | - Adrija Roy
- Department of Community Medicine and Family Medicine, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - Jyochnamayi Panda
- Department of Obstetrics and Gynaecology, Kalinga Institute of Medical Sciences, KIIT University, Odisha, India
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Anderson DJ, Chung HF, Seib CA, Dobson AJ, Kuh D, Brunner EJ, Crawford SL, Avis NE, Gold EB, Greendale GA, Mitchell ES, Woods NF, Yoshizawa T, Mishra GD. Obesity, smoking, and risk of vasomotor menopausal symptoms: a pooled analysis of eight cohort studies. Am J Obstet Gynecol 2020; 222:478.e1-478.e17. [PMID: 31705884 PMCID: PMC7196035 DOI: 10.1016/j.ajog.2019.10.103] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/16/2019] [Accepted: 10/26/2019] [Indexed: 01/27/2023]
Abstract
BACKGROUND Frequent and severe vasomotor symptoms during menopause are linked with adverse health outcomes. Understanding modifiable lifestyle factors for the risk of vasomotor menopausal symptoms is important to guide preventive strategies. OBJECTIVE We investigated the associations between body mass index and smoking, their joint effects with the risk of vasomotor symptoms, and whether the associations differed by menopausal stage. STUDY DESIGN The International Collaboration for a Life Course Approach to Reproductive Health and Chronic Disease Events pooled data on 21,460 midlife women from 8 studies (median age, 50 years; interquartile range, 49-51 years) for the cross-sectional analysis. Four studies provided data for the prospective analysis (n=11,986). Multinomial logistic regression models with 4 categories of frequency/severity for the outcome of vasomotor symptoms were used to estimate relative risk ratios and 95% confidence intervals that were adjusted for within-study correlation and covariates. RESULTS At baseline, nearly 60% of the women experienced vasomotor symptoms. One-half of them were overweight (30%) or obese (21%), and 17% were current smokers. Cross-sectional analyses showed that a higher body mass index and smoking more cigarettes with longer duration and earlier initiation were all associated with more frequent or severe vasomotor symptoms. Never smokers who were obese had a 1.5-fold (relative risk ratio, 1.52; 95% confidence interval, 1.35-1.73) higher risk of often/severe vasomotor symptoms, compared with never smokers who were of normal-weight. Smoking strengthened the association because the risk of often/severe vasomotor symptoms was much greater among smokers who were obese (relative risk ratio, 3.02; 95% confidence interval, 2.41-3.78). However, smokers who quit at <40 years of age were at similar levels of risk as never smokers. Prospective analyses showed a similar pattern, but the association attenuated markedly after adjustment for baseline vasomotor symptoms. Furthermore, we found that the association between body mass index and vasomotor symptoms differed by menopausal status. Higher body mass index was associated with increased risk of vasomotor symptoms in pre- and perimenopause but with reduced risk in postmenopause. CONCLUSION High body mass index (≥25 kg/m2) and cigarette smoking substantially increased women's risk for experiencing frequent or severe vasomotor symptoms in a dose-response manner, and smoking intensified the effect of obesity. However, the effect of body mass index on the risk of vasomotor symptoms was opposite among postmenopausal women. Maintaining a normal weight before the menopausal transition and quitting smoking at <40 years of age may mitigate the excess risk of vasomotor symptoms in midlife.
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Affiliation(s)
- Debra J Anderson
- Menzies Health Institute Queensland, Griffith University, Gold Coast, Queensland, Australia.
| | - Hsin-Fang Chung
- School of Public Health, The University of Queensland, Brisbane, Queensland, Australia
| | - Charrlotte A Seib
- Menzies Health Institute Queensland, Griffith University, Gold Coast, Queensland, Australia
| | - Annette J Dobson
- School of Public Health, The University of Queensland, Brisbane, Queensland, Australia
| | - Diana Kuh
- Medical Research Council Unit for Lifelong Health and Ageing at UCL, London, UK
| | - Eric J Brunner
- Department of Epidemiology and Public Health, University College London, London, UK
| | - Sybil L Crawford
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA
| | - Nancy E Avis
- Department of Social Sciences and Health Policy, Wake Forest School of Medicine, Winston-Salem, NC
| | - Ellen B Gold
- Department of Public Health Sciences, University of California, Davis, CA
| | - Gail A Greendale
- Department of Medicine, Division of General Internal Medicine and Health Services Research, University of California, Los Angeles, David Geffen School of Medicine, Los Angeles, CA
| | - Ellen S Mitchell
- Family and Child Nursing, School of Nursing, University of Washington, Seattle, WA
| | - Nancy F Woods
- Biobehavioral Nursing and Health Systems, School of Nursing, University of Washington, Seattle, WA
| | - Toyoko Yoshizawa
- Department of Women's Health Nursing & Midwifery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Gita D Mishra
- School of Public Health, The University of Queensland, Brisbane, Queensland, Australia
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Costanian C, Zangiabadi S, Bahous SA, Deonandan R, Tamim H. Reviewing the evidence on vasomotor symptoms: the role of traditional and non-traditional factors. Climacteric 2020; 23:213-223. [DOI: 10.1080/13697137.2019.1711051] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- C. Costanian
- Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- School of Medicine, Lebanese American University, Byblos, Lebanon
| | - S. Zangiabadi
- School of Kinesiology & Health Science, York University, Toronto, ON, Canada
| | - S. A. Bahous
- School of Medicine, Lebanese American University, Byblos, Lebanon
| | - R. Deonandan
- Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - H. Tamim
- School of Kinesiology & Health Science, York University, Toronto, ON, Canada
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Understanding the complex relationships underlying hot flashes: a Bayesian network approach. Menopause 2019; 25:182-190. [PMID: 28763402 DOI: 10.1097/gme.0000000000000959] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE The mechanism underlying hot flashes is not well-understood, primarily because of complex relationships between and among hot flashes and their risk factors. METHODS We explored those relationships using a Bayesian network approach based on a 2006 to 2015 cohort study of hot flashes among 776 female residents, 45 to 54 years old, in the Baltimore area. Bayesian networks were fit for each outcome (current hot flashes, hot flashes before the end of the study, hot flash severity, hot flash frequency, and age at first hot flashes) separately and together with a list of risk factors (estrogen, progesterone, testosterone, body mass index and obesity, race, income level, education level, smoking history, drinking history, and activity level). Each fitting was conducted separately on all women and only perimenopausal women, at enrollment and 4 years after enrollment. RESULTS Hormone levels, almost always interrelated, were the most common variable linked to hot flashes; hormone levels were sometimes related to body mass index, but were not directly related to any other risk factors. Smoking was also frequently associated with increased likelihood of severe symptoms, but not through an antiestrogenic pathway. The age at first hot flashes was related only to race. All other factors were either not related to outcomes or were mediated entirely by race, hormone levels, or smoking. CONCLUSIONS These models can serve as a guide for design of studies into the causal network underlying hot flashes.
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Association between polycystic ovary syndrome and hot flash presentation during the midlife period. Menopause 2018; 25:691-696. [DOI: 10.1097/gme.0000000000001055] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ziv-Gal A, Smith RL, Gallicchio L, Miller SR, Zacur HA, Flaws JA. The Midlife Women’s Health Study – a study protocol of a longitudinal prospective study on predictors of menopausal hot flashes. Womens Midlife Health 2017; 3:4. [PMID: 30766705 PMCID: PMC6300019 DOI: 10.1186/s40695-017-0024-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 07/28/2017] [Indexed: 11/10/2022] Open
Abstract
Background The Midlife Women’s Health Study (MWHS) was developed to address some of the gaps in knowledge regarding risk factors for hot flashes among generally healthy midlife women during their menopausal transition. This manuscript describes the methods from the study and the main findings that were published to date, with a focus on predictors of hot flashes. This study was initially funded to test the hypothesis that obesity is associated with an increased risk of hot flashes through mechanisms that involve ovarian failure, altered sex steroid hormone levels, and selected genetic polymorphisms. Methods/Design The MWHS was conducted between 2006 and 2015 as a prospective longitudinal population-based study of generally healthy midlife women (ages 45 to 54 years) during their natural menopausal transition. Women were eligible if they had intact uteri and both ovaries and reported having at least 3 menstrual periods in the last 12 months. Exclusion criteria included pregnancy, cancer, and use of hormonal/hormone-like supplements. Overall, 780 women were recruited into the study. The majority of study participants were followed for 4 to 7 years. At annual visits, women donated blood and urine samples, completed questionnaires, had a vaginal ultrasound, and had their anthropometric measurements taken. Discussion Several risk factors for menopausal hot flashes were identified or confirmed, including older age, perimenopausal status, current and former cigarette smoking, lower estradiol levels, lower progesterone levels, black race, and depressive symptoms. Factors that were associated with decreased odds of hot flashes included moderate alcohol consumption and more than 5 years of cessation of cigarette smoking. Body mass index was not associated with hot flashes. The MWHS has provided important information regarding hot flashes. The study methods are rigorous and can be easily adopted by research groups investigating naturally occurring menopausal hot flashes.
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Risk factors for hot flashes among women undergoing the menopausal transition: baseline results from the Midlife Women's Health Study. Menopause 2016; 22:1098-107. [PMID: 25783472 DOI: 10.1097/gme.0000000000000434] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The aim of this study was to examine the associations of demographic characteristics, health behaviors, and hormone concentrations with the experience of any, current, more severe, and more frequent midlife hot flashes. METHODS Baseline data from 732 women aged 45 to 54 years who were enrolled in the Midlife Women's Health Study were analyzed. A clinic visit was conducted to collect blood samples for hormone assays and to measure ovarian volume using transvaginal ultrasound. A self-administered questionnaire ascertained information on demographic factors, health habits, and hot flash history. Multivariable logistic regression was conducted to examine associations between potential risk factors and hot flash outcomes. RESULTS Approximately 45% of participants reported experiencing midlife hot flashes. In covariate-adjusted models, older age, perimenopause status, current and past cigarette smoking, and depressive symptoms were significantly associated with increased odds of all of the hot flash outcomes. In addition, history of oral contraceptive use was associated with increased odds of any hot flashes. In contrast, higher current alcohol intake was significantly associated with decreased odds of any, current, and more severe hot flashes. Higher estradiol and progesterone concentrations were significantly associated with decreased odds of all hot flash outcomes. CONCLUSIONS Although the temporality of such associations is not known because of the cross-sectional nature of the data, these observed relationships can help to identify women at risk for hot flashes.
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Shobeiri F, Jenabi E, Poorolajal J, Hazavehei SMM. The Association between Body Mass Index and Hot Flash in Midlife Women: A Meta-analysis. J Menopausal Med 2016; 22:14-9. [PMID: 27152309 PMCID: PMC4854655 DOI: 10.6118/jmm.2016.22.1.14] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 11/24/2015] [Accepted: 12/18/2015] [Indexed: 11/08/2022] Open
Abstract
Objectives The association between body mass index (BMI) and hot flash risk has not been specifically clarifies yet. This meta-analysis was, therefore, conducted to estimate the association between overweight and obesity and hot flash risk. Methods We searched PubMed, Web of Science, and Scopus for observational studies addressing the association between BMI and hot flash until August 2015. Data were independently extracted and analyzed using 95% odds ratio (OR), and confidence intervals (CI) based on the random-effects models. Results We identified 2,244 references and conducted seven studies with 4,219 participants. The association between hot flash and overweight was estimated 1.13 (95% CI: 0.97-1.32) and that of obesity was estimated 1.79 (95% CI: 1.52-2.11). No evidence of heterogeneity and publication bias was observed. Conclusion This meta-analysis demonstrated that, though not to a great extent, obesity does increase the risk of hot flash. The findings from this meta-analysis indicated that obesity is associated with an increased risk of hot flash. Further large prospective cohort studies are required to provide convincing evidence as to whether or not BMI is associated with an increased risk of hot flashes.
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Affiliation(s)
- Fatemeh Shobeiri
- Mother and Child Care Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ensiyeh Jenabi
- Mother and Child Care Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Jalal Poorolajal
- Modeling of Noncommunicable Diseases Research Center, Department of Epidemiology & Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Seyyed Mohammad Mahdi Hazavehei
- Research Center for Health Sciences, Department of Public Health, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
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Phthalate metabolite levels and menopausal hot flashes in midlife women. Reprod Toxicol 2016; 60:76-81. [PMID: 26867866 DOI: 10.1016/j.reprotox.2016.02.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 01/06/2016] [Accepted: 02/05/2016] [Indexed: 11/21/2022]
Abstract
During the menopausal transition, a woman's reproductive capacity declines, her hormone milieu changes, and her risk of hot flashes increases. Exposure to phthalates, which can be found in personal care products, can also result in altered reproductive function. Here, we investigated the associations between phthalate metabolite levels and midlife hot flashes. Eligible women (45-54 years of age) provided detailed information on hot flashes history and donated urine samples (n=195). Urinary phthalate metabolite levels were measured by HPLC-MS/MS. A higher total sum of phthalate metabolites commonly found in personal care products was associated with an increased risk of ever experiencing hot flashes (odds ratio (OR)=1.45; 95% confidence interval (CI)=1.07-1.96), hot flashes in the past 30days (OR=1.43; 95%CI=1.04-1.96), and more frequent hot flashes (OR=1.47; 95%CI=1.06-2.05). These data suggest that some phthalate exposures from personal care products are associated with menopausal hot flashes in women.
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Jenabi E, Poorolajal J. The association between hot flushes and smoking in midlife women: a meta-analysis. Climacteric 2015; 18:797-801. [PMID: 26488934 DOI: 10.3109/13697137.2015.1080236] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Several epidemiological studies have investigated the association between hot flushes and smoking, but the results are inconsistent. This meta-analysis was performed to estimate an overall effect of former smoking and current smoking on the risk of hot flushes in midlife women. METHODS We searched PubMed, Web of Science, and Scopus for observational studies addressing the association between hot flushes and smoking until March 2015. Data were independently extracted and analyzed using odds ratio with 95% confidence intervals (CI) based on the random-effects model. RESULTS We identified 621 references and included eight studies with 27 054 participants. The odds ratio of an association between hot flushes and former smoking was estimated as 1.31 (95% CI 1.22-1.41) and that of current smoking was estimated as 1.97 (95% CI 1.81-2.14). No evidence of heterogeneity and publication bias was observed. CONCLUSION The findings from this meta-analysis indicated that former and current smoking are associated with an increased risk of hot flushes. However, more evidence based on large, prospective cohort studies is required to provide stronger evidence whether former and current smoking may be associated with an increased risk of hot flushes.
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Affiliation(s)
- E Jenabi
- a Department of Midwifery , Toyserkan Branch, Islamic Azad University , Toyserkan
| | - J Poorolajal
- b Modeling of Noncommunicable Diseases Research Center, Department of Epidemiology , School of Public Health, Hamadan University of Medical Sciences , Hamadan , Iran
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Smith RL, Flaws JA, Gallicchio L. Does quitting smoking decrease the risk of midlife hot flashes? A longitudinal analysis. Maturitas 2015; 82:123-7. [PMID: 26149340 DOI: 10.1016/j.maturitas.2015.06.029] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 06/09/2015] [Accepted: 06/11/2015] [Indexed: 11/19/2022]
Abstract
Epidemiological studies have shown that cigarette smoking is associated with an increased risk of midlife hot flashes; however, the effect of quitting smoking on this risk is unclear. The purpose of this study was to examine the effect of quitting smoking on hot flashes using data from 761 women aged 45 to 54 years of age at baseline followed for 1 to 7 years. Results showed that women who quit smoking were less likely to suffer from hot flashes, less likely to have severe hot flashes, and less likely to have frequent hot flashes than women who continued to smoke (OR=0.55, 0.80, 0.76), but were more likely to suffer from any hot flashes, more severe hot flashes, and more frequent hot flashes than women who never smoked (OR=2.55, 1.68, 1.46). Subset analysis of the 353 women who had ever smoked found that women who had quit smoking for longer than 5 years had significantly lower odds, severity, and frequency of hot flashes than women who had continued smoking (OR=0.36, 0.62, 0.63) or women who had quit in the previous 5 years (OR=0.66, 0.77, 0.69). These findings suggest that that early smoking cessation programs may improve women's well-being during the menopausal transition.
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Affiliation(s)
- Rebecca L Smith
- Department of Pathobiology, University of Illinois, Urbana, IL 61802, United States.
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana, IL 61802, United States
| | - Lisa Gallicchio
- The Prevention and Research Center, The Weinberg Center for Women's Health and Medicine, Mercy Medical Center, Baltimore, MD 21202, United States
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Montasser ME, Ziv-Gal A, Brown JP, Flaws JA, Merchenthaler I. A potentially functional variant in the serotonin transporter gene is associated with premenopausal and perimenopausal hot flashes. Menopause 2015; 22:108-13. [PMID: 25026114 PMCID: PMC4270913 DOI: 10.1097/gme.0000000000000291] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE An increase in the use of selective serotonin reuptake inhibitors (SSRIs) and/or serotonin-norepinephrine reuptake inhibitors (SNRIs) to relieve menopausal hot flashes (HFs) has been observed recently. However, response to them has been heterogeneous. We hypothesized that this heterogeneity might be partially attributed to genetic variations in genes encoding the serotonin and/or norepinephrine transporters (SLC6A4 and SLC6A2). As a first step in testing the role of genetics in response to SSRIs/SNRIs, we examined the association between HFs and genetic variants within these two genes. METHODS We tested 29 haplotype-tagging single nucleotide polymorphisms within SLC6A4 and SLC6A2 for their association with HFs separately for European-American (396 cases and 392 controls) and African-American (125 cases and 81 controls) premenopausal and perimenopausal women. RESULTS We found that the minor allele of SLC6A4_rs11080121 was associated with protection against HFs (odds ratio, 0.75; 95% CI, 0.60-0.94) only in European-American women. Bioinformatics analyses indicated that rs11080121 is fully correlated with rs1042173 in the 3' untranslated region of SLC6A4. The minor allele of rs1042173 seems to disrupt a conserved binding site for hsa-miR-590-3p microRNA. CONCLUSIONS Disruption of a microRNA binding site leads to higher expression of SLC6A4, higher expression of SLC6A4 leads to depletion of serotonin in synaptic clefts, and depletion of serotonin triggers the presynaptic autoreceptor feedback mechanism to produce more serotonin, which is protective against HFs. This is the first study to test the association between HFs in both European-American and African-American premenopausal and perimenopausal women and genetic variants in two neurotransmitter transporter genes, SLC6A2 and SLC6A4. This information can be used in tailoring the pharmaceutical use of SSRIs/SNRIs for HF relief.
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Affiliation(s)
- May E Montasser
- Department of Medicine, University of Maryland, School of Medicine, Baltimore, MD
| | - Ayelet Ziv-Gal
- Department of Comparative Biosciences, University of Illinois, Urbana, IL
| | - Jessica P Brown
- Department of Epidemiology & Public Health, University of Maryland, School of Medicine, Baltimore, MD
| | - Jodi A Flaws
- Department of Comparative Biosciences, University of Illinois, Urbana, IL
| | - Istvan Merchenthaler
- Department of Epidemiology & Public Health, University of Maryland, School of Medicine, Baltimore, MD
- Department of Anatomy & Neurobiology, University of Maryland, School of Medicine, Baltimore, MD
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Abstract
OBJECTIVES To characterize the time course, duration of improvement, and clinical predictors of placebo response in treatment of menopausal hot flashes. METHODS Data were pooled from two trials conducted in the Menopausal Strategies: Finding Lasting Answers to Symptoms and Health network, providing a combined placebo group (n = 247) and a combined active treatment group (n = 297). Participants recorded hot flash frequency in diaries twice daily during treatment (Weeks 0-8) and subsequent follow-up (Weeks 9-11). The primary outcome variable was clinically significant improvement, defined as a 50% or greater decrease in hot flash frequency from baseline and calculated for each week in the study. Subgroups were defined a priori using standard clinical definitions for significant improvement and partial improvement. Clinical and demographic characteristics of the participants were evaluated as predictors of improvement. RESULTS Clinically significant improvement with placebo accrued each treatment week, with 33% significantly improved at Week 8. Of placebo responders who were improved at both Weeks 4 and 8, 77% remained clinically improved at Week 11 after treatment ended. Independent predictors of significant placebo improvement in the final multivariable model were African American race (odds ratio [OR] = 5.61, 95% confidence interval [CI] = 2.41-13.07, p < .001), current smokers (OR = 2.30, 95% CI = 1.05-5.06, p = .038), and hot flash severity in screening (OR = 1.45, 95% CI = 1.00-2.10, p = .047). CONCLUSIONS Clinically significant improvement with placebo accrued throughout treatment with a time course similar to improvement with active drug. A meaningful number of participants in the placebo group sustained a clinically significant response after stopping placebo pills. The results suggest that nonspecific effects are important components of treatment and warrant further studies to optimize their contributions in clinical care.
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Gallicchio L, Miller SR, Kiefer J, Greene T, Zacur HA, Flaws JA. Change in body mass index, weight, and hot flashes: a longitudinal analysis from the midlife women's health study. J Womens Health (Larchmt) 2013; 23:231-7. [PMID: 24341351 DOI: 10.1089/jwh.2013.4526] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The goals of this study were to examine the associations between body mass index (BMI), as well as BMI change and weight change, with midlife hot flashes. METHODS Data were analyzed from an ongoing 5-year cohort study of 631 midlife women (ages 45-54 years) recruited from Baltimore, Maryland, and its surrounding counties. Height and weight were measured at clinic visits conducted annually. Questionnaires administered at each clinic visit collected detailed data on hot flashes, including the severity and frequency, and other covariates. Data were analyzed using logistic regression and generalized estimated equation models, adjusting for potential confounders. RESULTS Among women enrolled in the study, 45.2% reported hot flashes and 32.0% were categorized as being obese (BMI ≥30 kg/m(2)) at baseline. At baseline, BMI was not significantly associated with ever experiencing hot flashes (BMI ≥30 versus <25 kg/m(2): odds ratio [OR] 0.92; 95% confidence interval [CI]: 0.58, 1.15) or any of the other hot flashes outcomes (recent, frequent, or severe). In addition, no statistically significant associations between BMI, BMI change, or weight change, and the hot flash outcomes were observed in the longitudinal models (for example, any hot flashes: BMI ≥30 versus <25 kg/m(2): OR 0.81; 95% CI: 0.56, 1.17). CONCLUSION BMI, BMI change, and weight change during midlife were not related to hot flashes in this study. The data suggest that other factors, such as smoking habits, are more important in determining hot flashes risk during midlife.
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Affiliation(s)
- Lisa Gallicchio
- 1 The Prevention and Research Center, The Weinberg Center for Women's Health and Medicine, Mercy Medical Center , Baltimore, Maryland
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Ziv-Gal A, Flaws JA. Factors that may influence the experience of hot flushes by healthy middle-aged women. J Womens Health (Larchmt) 2013; 19:1905-14. [PMID: 20831431 DOI: 10.1089/jwh.2009.1852] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Interest in menopausal symptoms in general and hot flushes (HFs) in particular has grown in recent years. This is mostly due to increased awareness and the vast impact these symptoms have on women's lives. Despite the high prevalence of women who experience HFs, a definitive etiology for HFs is yet to be found. Our objective was to review the current literature dealing with associated factors for experiencing HFs and to provide a synthesized overview on this common and often debilitating condition. METHODS We systematically searched the English-language literature in the PubMed database using relevant key words and included only those articles that contained information on associated factors for HFs in generally healthy midlife women. RESULTS Both conflicting scientific results between studies documenting factors that influence HFs and the lack of validated measuring tools make it difficult to truly pinpoint associated factors for HFs. Nonetheless, we identified the following clusters of associated factors: the menopausal stages, sex steroid hormones, other endocrine agents, genetic polymorphisms, race/ethnicity, body mass index (BMI) and obesity, mood disorders, smoking, soy isoflavones and phytoestrogens, alcohol consumption, and physical activity. CONCLUSIONS No single associated factor was consistently identified as having a major role in experiencing HFs. More resources should be directed to develop a unified study system along with multivariable analyses to get a better understanding of this condition, which often imposes a tremendous social and personal toll on the women who experience it.
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Affiliation(s)
- Ayelet Ziv-Gal
- Department of Veterinary Biosciences, University of Illinois, Urbana, Illinois 61802, USA
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Ziv-Gal A, Gallicchio L, Miller SR, Zacur HA, Flaws JA. Genetic polymorphisms in the aryl hydrocarbon receptor signaling pathway as potential risk factors of menopausal hot flashes. Am J Obstet Gynecol 2012; 207:202.e9-202.e18. [PMID: 22840970 DOI: 10.1016/j.ajog.2012.05.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2012] [Revised: 05/10/2012] [Accepted: 05/23/2012] [Indexed: 02/06/2023]
Abstract
OBJECTIVE We sought to determine if genetic polymorphisms in the aryl hydrocarbon receptor signaling pathway are associated with menopausal hot flashes via hormone levels. STUDY DESIGN Women (n = 639) aged 45-54 years completed a study survey and provided blood for genetic and hormone analyses. The associations were analyzed using multivariable logistic regression and generalized linear models. RESULTS Women carrying CYP1B1 (rs1800440) GG genotype had 3-fold greater odds of experiencing hot flashes for ≥1 year compared to the AA genotype (adjusted odds ratio [OR], 3.05; 95% confidence interval [CI], 1.12-8.25). Adding serum estradiol concentrations to the confounder-adjusted model resulted in a nonsignificant association (adjusted OR, 2.59; 95% CI, 0.91-7.18). Carriers of both CYP1B1 (rs1800440) G and CYP1B1 (rs1058636) G alleles had higher odds of experiencing hot flashes for ≥1 year compared to women homozygous for the major alleles (adjusted OR, 1.77; 95% CI, 1.06-2.96), even after adjustment for serum estradiol. CONCLUSION CYP1B1 is associated with menopausal hot flashes via pathways that may involve changes in serum estradiol concentration.
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Affiliation(s)
- Ayelet Ziv-Gal
- Department of Comparative Biosciences, University of Illinois, Urbana, IL 61802, USA
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23
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Risk factors for venous thromboembolism in pre-and postmenopausal women. Thromb Res 2012; 130:596-601. [PMID: 22704078 DOI: 10.1016/j.thromres.2012.05.024] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2012] [Revised: 05/19/2012] [Accepted: 05/23/2012] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Hemostasis in women is affected by changes of estrogen levels. The role of endogenous estrogens on risk of venous thromboembolism (VTE) remains unclear. The aim of this study was to investigate the importance of acquired and genetic risk factors for VTE in pre-and postmenopausal women. METHOD In a nationwide case-control study we included as cases 1470 women, 18 to 64years of age with a first time VTE. The 1590 controls were randomly selected and matched by age to the cases. Information on risk factors was obtained by interviews and DNA-analyses. We used unconditional logistic regression to calculate odds ratios (ORs) with 95% confidence intervals (CIs). RESULTS The ORs were generally of similar magnitude in pre- and postmenopausal women. The highest risk was for the combination of surgery and cast (adjusted OR 54.12, 95% CI 16.62-176.19) in postmenopausal women. The adjusted OR for use of menopausal hormone therapy was 3.73 (95% CI 1.86-7.50) in premenopausal and 2.22 (95% CI 1.54-3.19) in postmenopausal women. Overweight was linked to an increased risk and exercise to a decreased risk, regardless of menopausal status. CONCLUSION Menopausal status had only minor influence on the risk levels. Acquired transient risk factors conveyed the highest risks for VTE.
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Butts SF, Freeman EW, Sammel MD, Queen K, Lin H, Rebbeck TR. Joint effects of smoking and gene variants involved in sex steroid metabolism on hot flashes in late reproductive-age women. J Clin Endocrinol Metab 2012; 97:E1032-42. [PMID: 22466345 PMCID: PMC3387409 DOI: 10.1210/jc.2011-2216] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2011] [Accepted: 03/08/2012] [Indexed: 11/19/2022]
Abstract
BACKGROUND Although smoking has a known association with hot flashes, the factors distinguishing smokers at greatest risk for menopausal symptoms have not been well delineated. Recent evidence supports a relationship between menopausal symptoms and variants in several genes encoding enzymes that metabolize substrates such as sex steriods, xenobiotics, and catechols. It is currently not known whether the impact of smoking on hot flashes is modified by the presence of such variants. OBJECTIVE The objective of the study was to investigate the relationship between smoking and hot flash occurrence as a function of genetic variation in sex steroid-metabolizing enzymes. METHODS A cross-sectional analysis of data from the Penn Ovarian Aging study, an ongoing population-based cohort of late reproductive-aged women, was performed. Smoking behavior was characterized. Single-nucleotide polymorphisms in five genes were investigated: COMT Val158Met (rs4680), CYP1A2*1F (rs762551), CYP1B1*4 (Asn452Ser, rs1800440), CYP1B1*3 (Leu432Val, rs1056836), and CYP3A4*1B (rs2740574). RESULTS Compared with nonsmokers, European-American COMT Val158Met double-variant carriers who smoked had increased odds of hot flashes [adjusted odds ratio (AOR) 6.15, 95% confidence interval (CI) 1.32-28.78)]; European-American COMT Val158Met double-variant carriers who smoked heavily had more frequent moderate or severe hot flashes than nonsmokers (AOR 13.7, 95% CI 1.2-154.9). European-American CYP 1B1*3 double-variant carriers who smoked described more frequent moderate or severe hot flashes than nonsmoking (AOR 20.6, 95% CI 1.64-257.93) and never-smoking (AOR 20.59, 95% CI 1.39-304.68) carriers, respectively. African-American single-variant CYP 1A2 carriers who smoked were more likely to report hot flashes than the nonsmoking carriers (AOR 6.16, 95% CI 1.11-33.91). CONCLUSION This is the first report demonstrating the effects of smoking within the strata of gene variants involved in sex steroid metabolism on hot flashes in late reproductive-age women. The identification of individuals with a genetic susceptibility to smoking-related menopausal symptoms could contribute to interventions targeted at reducing reproductive morbidity both in the menopause and across the reproductive life course.
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Affiliation(s)
- Samantha F Butts
- Division of Infertility and Reproductive Endocrinology, Perelman School of Medicine, University of Pennsylvania, 3701 Market Street, Suite 800, Philadelphia, Pennsylvania 19104, USA.
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Fisher TE, Chervenak JL. Lifestyle alterations for the amelioration of hot flashes. Maturitas 2012; 71:217-20. [PMID: 22285470 DOI: 10.1016/j.maturitas.2011.12.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2011] [Accepted: 12/06/2011] [Indexed: 11/29/2022]
Abstract
Hot flashes are a common complaint among women as they transition through menopause. This article reviews the evidence of lifestyle alterations for the amelioration of hot flashes including obesity, exercise, smoking, relaxation techniques, and acupuncture. Further randomized controlled trials regarding these lifestyle alterations are needed to determine their full potential benefits regarding hot flashes.
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Affiliation(s)
- Thomas E Fisher
- Albert Einstein College of Medicine and Montefiore Medical Center, New York, NY, USA
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Perceived control, lifestyle, health, socio-demographic factors and menopause: impact on hot flashes and night sweats. Maturitas 2011; 69:338-42. [PMID: 21680119 DOI: 10.1016/j.maturitas.2011.05.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2011] [Revised: 03/21/2011] [Accepted: 05/04/2011] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To develop a model to predict the perceived severity of hot flashes (HF) and night sweats (NS) in symptomatic middle-aged women. METHODS This was a cross-sectional study of a community-based sample of 243 women with vasomotor symptoms. Menopausal status was ascertained using the 'Stages of Reproductive Aging Workshop' criteria. Women's 'perceived control' over their symptoms was measured by a validated Portuguese version of the Perceived Control over Hot Flushes Index. Structural equation modelling was employed to construct a causal model of self-reported severity of both HF and NS, using a set of 20 variables: age, marital status, parity, professional status, educational level, family annual income, recent diseases and psychological problems, medical help-seeking behaviour to manage menopausal symptoms, use of hormone therapy and herbal/soy products, menopause status, intake of alcohol, coffee and hot beverages, smoking, physical exercise, body mass index and perceived control. RESULTS Significant predictors of perceived severity were the use of hormone therapy for both HF (β=-.245; p=.022) and NS (β=-.298; p=.008), coffee intake for both HF (β=-.234; p=.039) and NS (β=-.258; p=.029) and perceived control for both HF (β=-1.0; p<.001) and NS (β=-1.0; p<.001). The variables explained respectively 67% and 72% of the variability in the perceived severity of HF and NS. Women with high perceived control had a significantly lower frequency (t(235)=2.022; p=.044) and intensity of HF (t(217)=3.582; p<.001); similarly, participants with high perceived control presented a lower frequency (t(235)=3.267; p<.001) and intensity (t(210)=3.376; p<.001) of NS. CONCLUSION Perceived control was the strongest predictor of the self-reported severity of both HF and NS. Other causal predictors were hormone therapy and caffeine intake. All three were associated with less severe vasomotor symptoms.
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Lipov E, Kelzenberg BM. Stellate ganglion block (SGB) to treat perimenopausal hot flashes: clinical evidence and neurobiology. Maturitas 2011; 69:95-6. [PMID: 21377301 DOI: 10.1016/j.maturitas.2011.02.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2011] [Accepted: 02/07/2011] [Indexed: 10/18/2022]
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Hot flashes and blood pressure in midlife women. Maturitas 2009; 65:69-74. [PMID: 19945805 DOI: 10.1016/j.maturitas.2009.10.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2009] [Revised: 10/27/2009] [Accepted: 10/30/2009] [Indexed: 11/27/2022]
Abstract
OBJECTIVES Recent epidemiological studies suggest that hot flashes may have a detrimental impact on the cardiovascular system. The purpose of this study was to examine the associations between hot flashes and blood pressure among women aged 45-54 years who had never used hormone therapy. STUDY DESIGN Data were analyzed from 603 women who participated in the Midlife Health Study, a cross-sectional study conducted in the Baltimore Metropolitan region. MAIN OUTCOME MEASURES All participants came to the clinic where systolic and diastolic blood pressures were measured, height and weight were assessed, and a questionnaire was administered that ascertained detailed data on history of hot flashes and participant demographics and health habits. RESULTS The data showed that 56.9% of the participants reported ever experiencing hot flashes. In the age-adjusted analyses, both systolic and diastolic blood pressures were significantly and positively associated with hot flashes. However, the estimates were markedly attenuated and not statistically significant after adjustment for age, race, smoking status, current alcohol use, body mass index, and use of an anti-hypertensive agent or a cholesterol-lowering medication. Similar results were observed for moderate or severe hot flashes, hot flashes experienced for one or more years, and hot flashes experienced within the previous 30 days. CONCLUSIONS These findings indicate that hot flashes are not significantly associated with blood pressure during midlife.
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Soldin OP, Goughenour BE, Gilbert SZ, Landy HJ, Soldin SJ. Thyroid hormone levels associated with active and passive cigarette smoking. Thyroid 2009; 19:817-23. [PMID: 19505184 PMCID: PMC3643222 DOI: 10.1089/thy.2009.0023] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Active and passive cigarette smoking are a risk factor among women of reproductive age-leading to reproductive health morbidity, including fetal and infant death and developmental problems with the newborn. However, the underlying physiological mechanisms for these ill-effects are not fully understood. Smoke exposure may affect various metabolic and biological processes, including hormone biosynthesis and secretion, interfere with thyroid hormone release, binding, transport, storage, and clearance, associated with adverse effects on the thyroid resulting in changes in circulating hormone concentrations. We measured and compared serum thyroid hormone and thyroid stimulating hormone (TSH) concentrations in active, passive, and nonsmokers and determined their association with cigarette tobacco smoke exposure. We use a comprehensive approach to assess the interrelationships between active and passive tobacco smoke exposure and thyroid hormone levels by employing innovative hormone analysis techniques. METHODS Serum was obtained from women (18-44 years of age). Thyroxine (T4), triiodothyronine (T3), and cotinine concentrations were quantified using isotope dilution high performance liquid chromatography tandem mass spectrometry, and TSH concentrations by chemiluminescence. RESULTS Serum concentrations of the various hormones of active smokers, passive smokers, and nonsmokers (nonexposed), respectively, were as follows. Median TSH concentrations were 1.02, 1.06, and 1.12 mIU/L (p < 0.001 for the comparison of each group with the other two groups), and mean TSH levels were 1.40 mIU/L, confidence interval (CI) 0.07-6.83 mIU/L; 1.30 mIU/L, CI 0.25-3.01 mIU/L; and 1.50 mIU/mL, CI 0.71-4.00 mIU/L. Median serum T4 concentrations were 7.6, 7.9, and 8.7 microg/dL, and median serum T3 concentrations were 92.0, 84.0, and 102.0 ng/dL (p < 0.0001). Mean T3 levels were 99.1 ng/dL, CI 52.1-204.3 ng/dL; 87.6 ng/dL, CI 40.1-160.2 ng/dL; and 106.6 ng/dL, CI 46.4-175.0 ng/dL. Pair-wise comparisons of the three study groups indicate statistically significant differences in serum T4 (p < 0.01) and T3 (p < 0.001) means for the comparison of each group with the other two groups. CONCLUSIONS This study is unique in examining the association of serum cotinine and thyroid hormone concentrations using liquid chromatography tandem mass spectrometry in women smokers, passive smokers, and nonsmokers. Active and passive exposure to cigarette tobacco smoke is associated with a mild inhibitory effect on the thyroid reflected in higher serum T4 and T3 in nonsmokers compared to smokers in this cohort of women.
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Affiliation(s)
- Offie P Soldin
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, District of Columbia 20057, USA.
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Dhillon HK, Singh HJ, Nik Mahmood NMZ, Ghaffar NA. Self-care actions taken for vasomotor symptoms by some postmenopausal Kelantanese women. Climacteric 2009; 11:518-24. [PMID: 18991079 DOI: 10.1080/13697130802491031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Gallicchio L, Schilling C, Tomic D, Miller SR, Zacur H, Flaws JA. Correlates of sexual functioning among mid-life women. Climacteric 2009; 10:132-42. [PMID: 17453861 DOI: 10.1080/13697130601167956] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Studies have reported a decline in sexual functioning among women undergoing the menopausal transition. Few studies, however, have examined the associations between hormones and sexual dysfunction during this time period. Therefore, the purpose of this study was to examine the associations between participant characteristics and endogenous hormones with sexual functioning in mid-life women. METHODS Data were analyzed from a community-based sample of 441 women aged 45-54 years who stated that they were sexually active at the time of the study. Each participant completed a survey that included questions pertaining to sexual functioning and provided a blood sample that was used to measure estrogen and androgen concentrations. RESULTS Among women who reported being sexually active, poorer self-reported health and the experiencing of depressive symptoms were significantly associated with not being satisfied with sexual relations after adjustment for other covariates. None of the hormones examined were significantly associated with overall sexual satisfaction. However, statistically significant associations between both total testosterone levels and the free testosterone index with satisfaction with the frequency of sexual relations were observed. CONCLUSIONS Our findings indicate that the experiencing of depressive symptoms and the reporting of poor overall health are important correlates of sexual dysfunction. Further, our results suggest that higher total and free testosterone levels are significantly associated with a desire for increased frequency of sexual relations among mid-life women.
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Affiliation(s)
- L Gallicchio
- Prevention and Research Center, Weinberg Center for Women's Health & Medicine, Mercy Medical Center, Baltimore, Maryland, USA
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Alexander C, Cochran CJ, Gallicchio L, Miller SR, Flaws JA, Zacur H. Serum leptin levels, hormone levels, and hot flashes in midlife women. Fertil Steril 2009; 94:1037-43. [PMID: 19476935 DOI: 10.1016/j.fertnstert.2009.04.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2009] [Revised: 03/31/2009] [Accepted: 04/01/2009] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To examine the associations between serum leptin levels, sex steroid hormone levels, and hot flashes in normal weight and obese midlife women. DESIGN Cross-sectional study. SETTING University clinic. PATIENT(S) 201 Caucasian, nonsmoking women aged 45 to 54 years with a body mass index of <25 kg/m2 or >or=30 kg/m2. INTERVENTION(S) Questionnaire, fasting blood samples. MAIN OUTCOME MEASURE(S) Serum leptin and sex steroid hormone levels. RESULT(S) Correlation and regression models were performed to examine associations between leptin levels, hormone levels, and hot flashes. Leptin levels were associated with BMI, with "ever experiencing hot flashes" (questionnaire), with hot flashes within the last 30 days, and with duration of hot flashes (>1 year, P=.03). Leptin was positively correlated with testosterone, free testosterone index, and free estrogen index and inversely associated with levels of sex hormone-binding globulin. In women with a body mass index>or=30 kg/m2, leptin levels no longer correlated with testosterone levels. CONCLUSION(S) Serum leptin levels are associated with the occurrence and duration of hot flashes in midlife women; however, no correlation was found between leptin and serum estradiol.
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Affiliation(s)
- Carolyn Alexander
- Division of Reproductive Endocrinology and Infertility, Department of Obstetrics and Gynecology, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA.
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Zhang Q, Li F, Yu Y, Yu X, Sheng Q, Zhang X. Differential factors associated with hot flashes in Chinese perimenopausal and postmenopausal women. Maturitas 2009; 63:94-8. [DOI: 10.1016/j.maturitas.2009.02.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2008] [Revised: 02/10/2009] [Accepted: 02/10/2009] [Indexed: 11/25/2022]
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Association of Various Dimensions of Hot Flashes with Systemic Levels of Gonadal Steroids. Exp Biol Med (Maywood) 2009; 234:395-402. [DOI: 10.3181/0811-rm-334] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Hot flashes, the cardinal sign of menopausal vasomotor symptoms, are experienced by millions of women. The experience of hot flashes is characterized by significant inter- and intra-individual variability among women. The goals of this study were to compare concentrations of gonadal hormones between menopausal women with hot flashes (HF) and those with no HF, and to characterize the association between steroid levels and multiple dimensions of hot flashes. Menopausal women, with HF and with no HF, participated in four study sessions, one every 2 months. The Menopausal Vasomotor Symptom (MVS) survey was used to collect subjective data on various dimensions of hot flashes. Concentrations of gonadal hormones were measure at each bi-monthly session. Steroid levels were correlated to duration, frequency, length of each episode, timing, intensity, and bothersomeness of hot flashes. Data from twenty ( n = 20) women with HF and fifteen ( n = 15) with no HF with similar demographic profiles were analyzed. The results from the present study showed that systemic levels of estrone and progesterone were significantly lower in women experiencing HF than in asymptomatic women. There was a significant association between levels of estradiol, estrone, progesterone, and androstenedione, but not testosterone, with duration, frequency, timing, intensity, and bothersomeness of HF. The findings from this preliminary study suggest that management of symptoms associated with vasomotor HF should be individualized and guided by two factors: (i) thorough assessment of subjectively reported multiple dimensions of hot flashes, and (ii) levels of circulating gonadal steroids representing an average from 2–4 measures. This approach may lead to more targeted, effective, and safe management of vasomotor symptoms in the rapidly growing population of menopausal women.
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Gallicchio L, Miller S, Zacur H, Flaws JA. Race and health-related quality of life in midlife women in Baltimore, Maryland. Maturitas 2009; 63:67-72. [PMID: 19264431 DOI: 10.1016/j.maturitas.2009.02.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2008] [Revised: 01/20/2009] [Accepted: 02/03/2009] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Only a few studies have examined the association between race/ethnicity and health-related quality of life (HRQOL) during midlife. Thus, the purpose of this study was to examine this association in the context of a population-based study of Caucasian and African-American women aged 45-54 years. METHODS Data from 626 pre- and peri-menopausal African-American and Caucasian women aged 45-54 years were analyzed. HRQOL was measured using Cantril's Self-Anchoring Ladder of Life, a validated measure of overall life satisfaction. Body mass index was determined using measured height and weight. Information on race and other variables such as education was based on self-report. Logistic regression models were constructed to examine the unadjusted and adjusted associations between race and low present HRQOL (< or =6 on Cantril's Ladder of Life). RESULTS In both the unadjusted and adjusted analyses, race was not significantly associated with low present HRQOL (unadjusted OR 1.57; 95% CI 0.93, 2.65; adjusted OR 0.82; 95% CI 0.42, 1.61). In the fully adjusted model, only the number of menopausal symptoms and self-rated health were significantly associated with present HRQOL. CONCLUSIONS Findings from this population-based study suggest that race is not a statistically significant determinant of present HRQOL among midlife women.
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Affiliation(s)
- Lisa Gallicchio
- The Prevention and Research Center, Weinberg Center for Women's Health and Medicine, Mercy Medical Center, Baltimore, MD 21202, United States
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Abstract
OBJECTIVE To test the hypothesis that cigarette smoking is associated with hot flushes through a mechanism involving androgen levels, progesterone levels, sex hormone-binding globulin levels, or the ratio of androgens to estrogens. METHODS Women with and without hot flushes were recruited from Baltimore, Maryland, and the surrounding counties. Women were between 45 and 54 years of age, with at least three menstrual periods in the previous 12 months, and were not postmenopausal. Study participants completed a questionnaire and gave a blood sample for hormone measurements. RESULTS Current smokers had significantly higher androstenedione levels and a higher androgen-to-estrogen ratio than never smokers. Current smokers had significantly lower progesterone levels compared with never smokers. Former and current cigarette smokers had increased odds of experiencing hot flushes compared with never smokers (former: odds ratio [OR] 1.41, 95% confidence interval [CI] 0.99-2.01; current: OR 2.43, 95% CI 1.28-4.62). This association, however, was not attenuated by the addition of hormones to the smoking and hot-flush model. CONCLUSION Cigarette smoking is associated with hot flushes through a mechanism that may not involve alterations in hormone levels or their ratios. LEVEL OF EVIDENCE II.
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Sabia S, Fournier A, Mesrine S, Boutron-Ruault MC, Clavel-Chapelon F. Risk factors for onset of menopausal symptoms. Maturitas 2008; 60:108-21. [DOI: 10.1016/j.maturitas.2008.04.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2008] [Revised: 04/07/2008] [Accepted: 04/09/2008] [Indexed: 10/22/2022]
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Endogenous hormones, participant characteristics, and symptoms among midlife women. Maturitas 2008; 59:114-27. [PMID: 18313243 DOI: 10.1016/j.maturitas.2008.01.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2007] [Revised: 01/10/2008] [Accepted: 01/18/2008] [Indexed: 11/22/2022]
Abstract
OBJECTIVES The primary aim of this study was to examine the associations between endogenous hormone levels and symptoms other than hot flashes in a sample of midlife women. METHODS Data from a community-based sample of 603 women aged 45-54 years who had never used hormone therapy were analyzed. Each participant completed a questionnaire to obtain data on demographic and lifestyle characteristics as well as symptoms, including headache, insomnia, vision problems, vaginal discharge and dryness, irritability, and incontinence. In addition, each participant provided a blood sample that was used to measure estrogen, androgen, and sex hormone binding globulin (SHBG) concentrations by enzyme-linked immunosorbent assay. RESULTS Prevalence rates of symptoms ranged from 51.4% (irritability) to 18.6% (vision problems). In adjusted analyses, the free estradiol index (FEI) was significantly and positively associated with the reporting of insomnia (odds ratio (OR) 1.28; 95% confidence interval (CI) 1.01-1.61). Further, higher SHBG levels were significantly associated with lower odds of reporting vision problems (OR 0.44; 95% CI 0.23-0.81). CONCLUSIONS This study provides evidence that hormones are associated with insomnia and visual problems during midlife. However, some of these results conflict with previous findings. Given the overall paucity of literature on these issues, more investigation is warranted.
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Gallicchio L, Schilling C, Miller SR, Zacur H, Flaws JA. Correlates of depressive symptoms among women undergoing the menopausal transition. J Psychosom Res 2007; 63:263-8. [PMID: 17719363 DOI: 10.1016/j.jpsychores.2007.02.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2006] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Studies indicate that approximately 25% of women undergoing the menopausal transition experience depressive symptoms. The purpose of this study was to examine whether menopausal status was associated with the experiencing of depression among midlife women, to assess which demographic and health habit characteristics were associated with depressive symptoms experienced during the menopausal transition, and to analyze the associations between hormone levels and depressive symptoms. METHODS Data from a community-based sample of 634 women aged 45 to 54 years were analyzed. Each participant completed a questionnaire and provided a blood sample that was used to measure estrogen and androgen concentrations by enzyme-linked immunosorbent assay. Depressive symptoms were assessed using the Center for Epidemiologic Studies-Depression Scale (CES-D). RESULTS Approximately 25% of the women in the study were experiencing depressive symptoms (CES-D >or=16). The data showed that being a current smoker, having little/no regular physical activity, being in poor health, and reporting a greater number of menopausal symptoms were independently and significantly associated with depressive symptoms. Menopausal status and the measured hormone levels were not significant independent correlates of depressive symptoms. CONCLUSIONS These findings confirm the relatively high prevalence of depressive symptoms among midlife women and suggest that certain demographic, health habit, and menopausal symptom characteristics may be more important correlates of depressive symptoms in midlife than menopausal status and hormone levels.
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Affiliation(s)
- Lisa Gallicchio
- Prevention and Research Center, Weinberg Center for Women's Health & Medicine, Mercy Medical Center, Baltimore, MD, USA
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Schilling C, Gallicchio L, Miller SR, Langenberg P, Zacur H, Flaws JA. Genetic polymorphisms, hormone levels, and hot flashes in midlife women. Maturitas 2007; 57:120-31. [PMID: 17187946 PMCID: PMC1949021 DOI: 10.1016/j.maturitas.2006.11.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2006] [Revised: 11/15/2006] [Accepted: 11/24/2006] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Hot flashes disrupt the lives of millions of women each year. Although hot flashes are a public health concern, little is known about risk factors that predispose women to hot flashes. Thus, the objective of this study was to examine whether sex steroid hormone levels and genetic polymorphisms in hormone biosynthesis and degradation enzymes are associated with the risk of hot flashes. METHODS In a cross-sectional study design, midlife women aged 45-54 years (n=639) were recruited from Baltimore and its surrounding counties. Participants completed a questionnaire and donated a blood sample for steroid hormone analysis and genotyping. The associations between genetic polymorphisms and hormone levels, as well as the associations between genetic polymorphisms, hormone levels, and hot flashes were examined using statistical models. RESULTS A polymorphism in CYP1B1 was associated with lower dehydroepiandrosterone-sulfate (DHEA-S) and progesterone levels, while a polymorphism in CYP19 (aromatase) was associated with higher testosterone and DHEA-S levels. Lower progesterone and sex hormone binding globulin levels, lower free estradiol index, and a higher ratio of total androgens to total estrogens were associated with the experiencing of hot flashes. A polymorphism in CYP1B1 and a polymorphism in 3betaHSD were both associated with hot flashes. CONCLUSION Some genetic polymorphisms may be associated with altered levels of hormones in midlife women. Further, selected genetic polymorphisms and altered hormone levels may be associated with the risk of hot flashes in midlife women.
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Affiliation(s)
- Chrissy Schilling
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, Maryland
| | - Lisa Gallicchio
- Prevention and Research Center, Weinberg Center for Women's Health & Medicine, Mercy Medical Center, Baltimore, Maryland
| | - Susan R. Miller
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Patricia Langenberg
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, Maryland
| | - Howard Zacur
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Jodi A. Flaws
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Veterinary Biosciences, University of Illinois, Urbana, Illinois
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Schilling C, Gallicchio L, Miller SR, Langenberg P, Zacur H, Flaws JA. Relation of body mass and sex steroid hormone levels to hot flushes in a sample of mid-life women. Climacteric 2007; 10:27-37. [PMID: 17364602 DOI: 10.1080/13697130601164755] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVE Previous studies indicate that obesity is associated with a higher risk of experiencing hot flushes in mid-life women. The reasons for this association are unknown, although altered hormone levels have been associated with both hot flushes and obesity. Thus, this current study tested the hypothesis that obesity is associated with hot flushes in mid-life women through a mechanism involving levels of total and free androgen, free estrogen, progesterone, and sex hormone binding globulin (SHBG). METHODS Women aged 45-54 years were recruited from Baltimore and its surrounding counties. Each participant (n=628) was weighed, measured, completed a questionnaire, and provided a blood sample that was used to measure estradiol, estrone, testosterone, androstenedione, dehydroepiandrosterone sulfate, progesterone, and SHBG. RESULTS Obese mid-life women (body mass index (BMI)>or=30.0 kg/m2) had significantly higher testosterone, and lower estradiol, estrone, progesterone, and SHBG levels than normal-weight mid-life women (BMI<or=24.9 kg/m2) after adjustment for age, race, smoking, and number of days since last menstrual period. The association between obesity and hot flushes was no longer significant after adjustment for estrogens and progesterone, and/or SHBG. CONCLUSION These data suggest that obesity may be associated with hot flushes through a mechanism involving multiple hormones and SHBG.
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Affiliation(s)
- C Schilling
- University of Maryland School of Medicine, Baltimore, Maryland, USA
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Schilling C, Gallicchio L, Miller SR, Langenberg P, Zacur H, Flaws JA. Current alcohol use, hormone levels, and hot flashes in midlife women. Fertil Steril 2007; 87:1483-6. [PMID: 17276432 PMCID: PMC1949018 DOI: 10.1016/j.fertnstert.2006.11.033] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2006] [Revised: 11/09/2006] [Accepted: 11/09/2006] [Indexed: 11/17/2022]
Abstract
Current alcohol use is associated with a lower risk of hot flashes through a mechanism that does not include changes in sex steroid hormone levels.
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Affiliation(s)
- Chrissy Schilling
- Program in Toxicology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Lisa Gallicchio
- Prevention and Research Center, Weinberg Center for Women's Health and Medicine, Mercy Medical Center, Baltimore, Maryland
| | - Susan R. Miller
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Patricia Langenberg
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, Maryland
| | - Howard Zacur
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Jodi A. Flaws
- Program in Toxicology, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Epidemiology and Preventive Medicine, University of Maryland School of Medicine, Baltimore, Maryland
- Department of Veterinary Biosciences, University of Illinois, Urbana, Illinois
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Miller SR, Gallicchio LM, Lewis LM, Babus JK, Langenberg P, Zacur HA, Flaws JA. Association between race and hot flashes in midlife women. Maturitas 2006; 54:260-9. [PMID: 16423474 DOI: 10.1016/j.maturitas.2005.12.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2005] [Revised: 11/29/2005] [Accepted: 12/04/2005] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Studies suggest that African American women may have a greater risk of hot flashes compared to Caucasian women, but the reasons for this are unknown. This study tested the hypothesis that African American women have an increased risk of hot flashes due to racial differences in risk factors for hot flashes, including high body mass index (BMI) and lower estrogen levels. METHODS A population-based study was conducted among women aged 45-54 years. Participants were divided into women who reported ever experiencing hot flashes (n=356) and women who reported never experiencing hot flashes (n=257). Participants provided a blood sample for hormone assays, were weighed and measured, and completed a questionnaire. RESULTS Among peri-menopausal women, African American women were more likely than Caucasian women to report any hot flashes (RR=2.08), severe hot flashes (RR=2.19), and hot flashes for more than 5 years (RR=1.61). The risk ratios for the associations between race and the hot flash outcomes were attenuated after controlling for other important hot flash risk factors (i.e. obesity and low estrogen levels). CONCLUSIONS African American women have an increased risk of hot flashes compared to Caucasian women due to racial differences in a number of risk factors for hot flashes, including advanced age, obesity, current smoking, less than 12 drinks in the past year, and lower estrogen levels.
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Affiliation(s)
- Susan R Miller
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, United States
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Abstract
Climacteric symptoms are so closely associated with the menopause to be practically considered its hallmark. However, symptoms can already appear before the onset of menopause. The frequency, extent and intensity of symptoms are dependent on social factors, body composition, race and geographical region. In about 20-25% of menopausal women they do not occur at all. These symptoms are most prominent in women who are suddenly deprived of their endogenous estrogen secretion, for instance by bilateral ovariectomy, particularly in younger women. Climacteric symptoms can to be subdivided into five categories: menstrual bleeding disorders; vegetative symptoms; psychosomatic symptoms; somatotrophic changes; and metabolic changes. For prevention and treatment of the various symptoms, estrogen/progestogen replacement therapy (HRT) or estrogen replacement therapy (ERT) in individualized dosages and various forms of applications are the most cost-effective modalities in order to control menopausal symptoms and restore organic function, or prevent all of this and improve women's quality of life. Recent publications indicate that gene polymorphisms may be associated with severe and persistent climacteric symptoms. This is also true for current and ever cigarette smokers.
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Schilling C, Gallicchio L, Miller SR, Babus JK, Lewis LM, Zacur H, Flaws JA. Current alcohol use is associated with a reduced risk of hot flashes in midlife women. Alcohol Alcohol 2005; 40:563-8. [PMID: 16087658 DOI: 10.1093/alcalc/agh191] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
AIMS To examine the relation between current alcohol use, estradiol, estrone, and testosterone levels, and hot flashes in midlife women using a case-control study design. METHODS Cases were midlife women (45-54 years) who reported ever experiencing hot flashes. Controls were midlife women (45-54 years) who reported never experiencing hot flashes. Each participant completed a questionnaire and provided a blood sample that was used to measure estradiol, estrone, and testosterone levels by enzyme-linked immunosorbent assay. RESULTS The results indicate that current alcohol use (at least one day per month) was significantly associated with a reduced risk of hot flashes compared to non-use of alcohol, independent of age and smoking habits. The hot flashes experienced by current alcohol users were less severe and less frequent than those experienced by non-users of alcohol. Further, current alcohol users had similar levels of estradiol, estrone, and testosterone compared to non-users of alcohol. CONCLUSIONS These data suggest that current alcohol use is associated with a reduced risk of any, severe, and frequent hot flashes in midlife women by a mechanism that may not include changes in sex steroid hormone levels.
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Affiliation(s)
- Chrissy Schilling
- Department of Epidemiology and Preventive Medicine, Program in Toxicology, University of Maryland School of Medicine, 660 West Redwood Street, Howard Hall Room 133, Baltimore, MD 21201, USA
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