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“Increases in age at menarche are significantly associated with increases in cardiovascular health among women,” reported Yi Zheng, MPH, and colleagues at the University of Florida, Gainesville.
Mr. Zheng and colleagues conducted a cross-sectional analysis of 20,447 women aged 18 or older using data from a nationally representative sample of the 1999-2016 National Health and Nutrition Examinations Survey (NHANES). In all, 2,292 (11.2%) were determined to have ideal cardiovascular health (CVH).
Early menarche was confirmed to be related to increases in body mass index and greater incidence of type 2 diabetes, consistent with earlier studies, the authors confirmed. Those with nonideal CVH were more likely to have reported early menarche; those with ideal CVH were not only younger, but they also had college or graduate level education or above and higher poverty income ratio. Those with ideal CVH were also less likely to be to be of non-Hispanic Black heritage or to have been previously married.
BMI may be the missing link between early menarche and CVH
Unlike previous studies, the researchers found no significant link between early menarche and blood pressure, total cholesterol, smoking, physical activity, or diet using fully adjusted model data, leading them to conclude that “the associations between early menarche and CVH might be mainly driven by its associations with BMI.”
Mr. Zheng and colleagues suggested that future studies should evaluate the causal relationships between age at menarche and BMI and whether genetic factors and childhood lifestyle predispose women to early menarche and obesity.
“Our findings further highlighted that age at menarche may be used to identify high-risk population[s] and to guide targeted preventions to maintain and improve CVH,” the authors noted. Although they cited several strengths and limitations of the study, they emphasized that the wide use of Life’s Simple 7 factors (blood pressure, total cholesterol, glucose levels, smoking, BMI, physical activity, and diet) to measure CVH should “only be regarded as a surrogate construct, and future efforts are needed to better characterize CVH,” they cautioned.
The findings offer an opportunity to more closely track CVH in racial and ethnic groups
In a separate editorial, Ewa M. Gross-Sawicka, MD, PhD, and Eiran Z. Gorodeski, MD, MPH, both of the Harrington Heart and Vascular Institute, Cleveland, observed: “That the authors found African American women had the lowest overall CVH scores, even after adjusting for differences, highlights the importance of beginning cardiovascular health education earlier, especially for those in certain racial and ethnic groups.”
Dr. Gross-Sawicka and Dr. Gorodeski also raised several key questions that warrant further research: “1) Why do women who experience late menarche have improved cardiovascular health while those who experience early menarche have reduced cardiovascular health? 2) Why do the ‘beneficial’ effects of late menarche on CVH last 10 years longer than the ‘detrimental’ effects of early menarche? 3) Since both early and late menarche are associated with increased risk of cardiovascular disease, are women who experience menarche at an older age more cognizant of the cardiovascular risks compared with younger women and adjust their CVH accordingly?”
A key point also worth further consideration: “It is unclear whether age at menarche is directly associated with CVH, or if this relationship is mediated by the association of age at menarche and BMI and/or hyperglycemia,” said Dr. Gross-Sawicka and Dr. Gorodeski.
In an interview, Jan Shifren, MD, director, Midlife Women’s Health Center, Massachusetts General Hospital, Boston, noted, “The principal finding is that early menarche is associated with worse cardiovascular health, which may reflect the adverse impact of obesity and glucose intolerance on CVH, as obesity also is a risk factor for early menarche. The association between early menarche and worse CVH was significant only in women aged 25-34 years, but not in older women, possibly as other risk factors become more important as women age. One of the most concerning findings in this study ... is that only 11% had ideal CVH based on a combination of behavioral and health factors. As cardiovascular disease is the leading cause of death for women, we must do a better job of optimizing [their] cardiovascular health. Clinicians need to focus on optimizing cardiovascular health for all of their midlife patients, whether or not they experienced early menarche!”
Mr. Zheng and colleagues, as well as Dr. Shifren and Dr. Grodeski, had no conflicts of interest to report. Dr. Gross-Sawicka has received funding from Abbott and Novartis.
“Increases in age at menarche are significantly associated with increases in cardiovascular health among women,” reported Yi Zheng, MPH, and colleagues at the University of Florida, Gainesville.
Mr. Zheng and colleagues conducted a cross-sectional analysis of 20,447 women aged 18 or older using data from a nationally representative sample of the 1999-2016 National Health and Nutrition Examinations Survey (NHANES). In all, 2,292 (11.2%) were determined to have ideal cardiovascular health (CVH).
Early menarche was confirmed to be related to increases in body mass index and greater incidence of type 2 diabetes, consistent with earlier studies, the authors confirmed. Those with nonideal CVH were more likely to have reported early menarche; those with ideal CVH were not only younger, but they also had college or graduate level education or above and higher poverty income ratio. Those with ideal CVH were also less likely to be to be of non-Hispanic Black heritage or to have been previously married.
BMI may be the missing link between early menarche and CVH
Unlike previous studies, the researchers found no significant link between early menarche and blood pressure, total cholesterol, smoking, physical activity, or diet using fully adjusted model data, leading them to conclude that “the associations between early menarche and CVH might be mainly driven by its associations with BMI.”
Mr. Zheng and colleagues suggested that future studies should evaluate the causal relationships between age at menarche and BMI and whether genetic factors and childhood lifestyle predispose women to early menarche and obesity.
“Our findings further highlighted that age at menarche may be used to identify high-risk population[s] and to guide targeted preventions to maintain and improve CVH,” the authors noted. Although they cited several strengths and limitations of the study, they emphasized that the wide use of Life’s Simple 7 factors (blood pressure, total cholesterol, glucose levels, smoking, BMI, physical activity, and diet) to measure CVH should “only be regarded as a surrogate construct, and future efforts are needed to better characterize CVH,” they cautioned.
The findings offer an opportunity to more closely track CVH in racial and ethnic groups
In a separate editorial, Ewa M. Gross-Sawicka, MD, PhD, and Eiran Z. Gorodeski, MD, MPH, both of the Harrington Heart and Vascular Institute, Cleveland, observed: “That the authors found African American women had the lowest overall CVH scores, even after adjusting for differences, highlights the importance of beginning cardiovascular health education earlier, especially for those in certain racial and ethnic groups.”
Dr. Gross-Sawicka and Dr. Gorodeski also raised several key questions that warrant further research: “1) Why do women who experience late menarche have improved cardiovascular health while those who experience early menarche have reduced cardiovascular health? 2) Why do the ‘beneficial’ effects of late menarche on CVH last 10 years longer than the ‘detrimental’ effects of early menarche? 3) Since both early and late menarche are associated with increased risk of cardiovascular disease, are women who experience menarche at an older age more cognizant of the cardiovascular risks compared with younger women and adjust their CVH accordingly?”
A key point also worth further consideration: “It is unclear whether age at menarche is directly associated with CVH, or if this relationship is mediated by the association of age at menarche and BMI and/or hyperglycemia,” said Dr. Gross-Sawicka and Dr. Gorodeski.
In an interview, Jan Shifren, MD, director, Midlife Women’s Health Center, Massachusetts General Hospital, Boston, noted, “The principal finding is that early menarche is associated with worse cardiovascular health, which may reflect the adverse impact of obesity and glucose intolerance on CVH, as obesity also is a risk factor for early menarche. The association between early menarche and worse CVH was significant only in women aged 25-34 years, but not in older women, possibly as other risk factors become more important as women age. One of the most concerning findings in this study ... is that only 11% had ideal CVH based on a combination of behavioral and health factors. As cardiovascular disease is the leading cause of death for women, we must do a better job of optimizing [their] cardiovascular health. Clinicians need to focus on optimizing cardiovascular health for all of their midlife patients, whether or not they experienced early menarche!”
Mr. Zheng and colleagues, as well as Dr. Shifren and Dr. Grodeski, had no conflicts of interest to report. Dr. Gross-Sawicka has received funding from Abbott and Novartis.
“Increases in age at menarche are significantly associated with increases in cardiovascular health among women,” reported Yi Zheng, MPH, and colleagues at the University of Florida, Gainesville.
Mr. Zheng and colleagues conducted a cross-sectional analysis of 20,447 women aged 18 or older using data from a nationally representative sample of the 1999-2016 National Health and Nutrition Examinations Survey (NHANES). In all, 2,292 (11.2%) were determined to have ideal cardiovascular health (CVH).
Early menarche was confirmed to be related to increases in body mass index and greater incidence of type 2 diabetes, consistent with earlier studies, the authors confirmed. Those with nonideal CVH were more likely to have reported early menarche; those with ideal CVH were not only younger, but they also had college or graduate level education or above and higher poverty income ratio. Those with ideal CVH were also less likely to be to be of non-Hispanic Black heritage or to have been previously married.
BMI may be the missing link between early menarche and CVH
Unlike previous studies, the researchers found no significant link between early menarche and blood pressure, total cholesterol, smoking, physical activity, or diet using fully adjusted model data, leading them to conclude that “the associations between early menarche and CVH might be mainly driven by its associations with BMI.”
Mr. Zheng and colleagues suggested that future studies should evaluate the causal relationships between age at menarche and BMI and whether genetic factors and childhood lifestyle predispose women to early menarche and obesity.
“Our findings further highlighted that age at menarche may be used to identify high-risk population[s] and to guide targeted preventions to maintain and improve CVH,” the authors noted. Although they cited several strengths and limitations of the study, they emphasized that the wide use of Life’s Simple 7 factors (blood pressure, total cholesterol, glucose levels, smoking, BMI, physical activity, and diet) to measure CVH should “only be regarded as a surrogate construct, and future efforts are needed to better characterize CVH,” they cautioned.
The findings offer an opportunity to more closely track CVH in racial and ethnic groups
In a separate editorial, Ewa M. Gross-Sawicka, MD, PhD, and Eiran Z. Gorodeski, MD, MPH, both of the Harrington Heart and Vascular Institute, Cleveland, observed: “That the authors found African American women had the lowest overall CVH scores, even after adjusting for differences, highlights the importance of beginning cardiovascular health education earlier, especially for those in certain racial and ethnic groups.”
Dr. Gross-Sawicka and Dr. Gorodeski also raised several key questions that warrant further research: “1) Why do women who experience late menarche have improved cardiovascular health while those who experience early menarche have reduced cardiovascular health? 2) Why do the ‘beneficial’ effects of late menarche on CVH last 10 years longer than the ‘detrimental’ effects of early menarche? 3) Since both early and late menarche are associated with increased risk of cardiovascular disease, are women who experience menarche at an older age more cognizant of the cardiovascular risks compared with younger women and adjust their CVH accordingly?”
A key point also worth further consideration: “It is unclear whether age at menarche is directly associated with CVH, or if this relationship is mediated by the association of age at menarche and BMI and/or hyperglycemia,” said Dr. Gross-Sawicka and Dr. Gorodeski.
In an interview, Jan Shifren, MD, director, Midlife Women’s Health Center, Massachusetts General Hospital, Boston, noted, “The principal finding is that early menarche is associated with worse cardiovascular health, which may reflect the adverse impact of obesity and glucose intolerance on CVH, as obesity also is a risk factor for early menarche. The association between early menarche and worse CVH was significant only in women aged 25-34 years, but not in older women, possibly as other risk factors become more important as women age. One of the most concerning findings in this study ... is that only 11% had ideal CVH based on a combination of behavioral and health factors. As cardiovascular disease is the leading cause of death for women, we must do a better job of optimizing [their] cardiovascular health. Clinicians need to focus on optimizing cardiovascular health for all of their midlife patients, whether or not they experienced early menarche!”
Mr. Zheng and colleagues, as well as Dr. Shifren and Dr. Grodeski, had no conflicts of interest to report. Dr. Gross-Sawicka has received funding from Abbott and Novartis.
FROM THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY