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Rev Bras Ginecol Obstet. 2024;46:e-rbgo8
, , , , , , To identify sociodemographic and reproductive risk factors associated with MetS in women in their fourth decade of life.
Cohort study conducted on women born from June 1978 to May 1979 in Ribeirão Preto, Brazil. Sociodemographic, clinical, and obstetric data were collected by interview and clinical evaluation. Univariable and multivariable binomial logistic regression models were constructed to identify the risk factors of metabolic syndrome and the adjusted relative risk (RR) was calculated.
The cohort included 916 women, and 286 (31.2%) of them have metabolic syndrome. MetS was associated with lack of paid work (RR 1.49; 95% CI 1.14-1.95), marital status of without a partner (RR 1.33; 95% CI 1.03-1.72), low educational level (less than 8 years of schooling [RR 1.72; 95% CI 1.23-2.41], 8 to 12 years of schooling [RR 1.37; 95% CI 1.06-1.76], when compared with more than 12 years of schooling), and teenage pregnancy (RR 2.00; 95% CI 1.45-2.77). There was no association between MetS, and the other covariates studied.
Metabolic syndrome in a population of women in the fourth decade of life was associated with lack of employment, lack of a partner, low educational level, and teenage pregnancy.
Summary
Rev Bras Ginecol Obstet. 2024;46:e-rbgo8
, , , , , , To identify sociodemographic and reproductive risk factors associated with MetS in women in their fourth decade of life.
Cohort study conducted on women born from June 1978 to May 1979 in Ribeirão Preto, Brazil. Sociodemographic, clinical, and obstetric data were collected by interview and clinical evaluation. Univariable and multivariable binomial logistic regression models were constructed to identify the risk factors of metabolic syndrome and the adjusted relative risk (RR) was calculated.
The cohort included 916 women, and 286 (31.2%) of them have metabolic syndrome. MetS was associated with lack of paid work (RR 1.49; 95% CI 1.14-1.95), marital status of without a partner (RR 1.33; 95% CI 1.03-1.72), low educational level (less than 8 years of schooling [RR 1.72; 95% CI 1.23-2.41], 8 to 12 years of schooling [RR 1.37; 95% CI 1.06-1.76], when compared with more than 12 years of schooling), and teenage pregnancy (RR 2.00; 95% CI 1.45-2.77). There was no association between MetS, and the other covariates studied.
Metabolic syndrome in a population of women in the fourth decade of life was associated with lack of employment, lack of a partner, low educational level, and teenage pregnancy.
Summary
Rev Bras Ginecol Obstet. 2017;39(3):102-109
To assess the prevalence of hypovitaminosis D, altered arterial blood pressure, and serum levels of glucose and lipids in community-dwelling women in the city of Ribeirão Preto, in the southeast of Brazil.
Thiswas a cross-sectional studyof women aged40-70years old.Calciumintake and level of sun exposure were assessed by means of a questionnaire. A blood sample was used to determine glucose, lipid profile and 25-hydroxyvitaminD(25[OH]D) concentration.
Ninety-one women were enrolled (age = 54.2 ± 7.1 years). Themean serum 25(OH)D concentration was 25.7 ± 8.9 ng/mL. A total of 24 (26.4%) women had 25 (OH)D levels < 20 ng/mL. Seventy women (76.9%) had 25(OH)D levels < 30 ng/mL. Seventy-five women (90.4%) had inadequate calcium intake, and 61 women (67%) had appropriate sun exposure, 49 of whom (80.3%) had serum 25(OH)D levels < 30 ng/mL.
This study indicates that even in community-dwelling women, living in a city with high sun exposure, serum levels of 25(OH)D > 30 ng/ml are hardly reached. Thus, it is probable that other intrinsic factors besides sun exposure may regulate the levels of vitamin D.
Summary
Rev Bras Ginecol Obstet. 2017;39(3):102-109
To assess the prevalence of hypovitaminosis D, altered arterial blood pressure, and serum levels of glucose and lipids in community-dwelling women in the city of Ribeirão Preto, in the southeast of Brazil.
Thiswas a cross-sectional studyof women aged40-70years old.Calciumintake and level of sun exposure were assessed by means of a questionnaire. A blood sample was used to determine glucose, lipid profile and 25-hydroxyvitaminD(25[OH]D) concentration.
Ninety-one women were enrolled (age = 54.2 ± 7.1 years). Themean serum 25(OH)D concentration was 25.7 ± 8.9 ng/mL. A total of 24 (26.4%) women had 25 (OH)D levels < 20 ng/mL. Seventy women (76.9%) had 25(OH)D levels < 30 ng/mL. Seventy-five women (90.4%) had inadequate calcium intake, and 61 women (67%) had appropriate sun exposure, 49 of whom (80.3%) had serum 25(OH)D levels < 30 ng/mL.
This study indicates that even in community-dwelling women, living in a city with high sun exposure, serum levels of 25(OH)D > 30 ng/ml are hardly reached. Thus, it is probable that other intrinsic factors besides sun exposure may regulate the levels of vitamin D.
Summary
Rev Bras Ginecol Obstet. 2009;31(3):111-116
DOI 10.1590/S0100-72032009000300002
PURPOSE: to evaluate whether the presence of insulin resistance (IR) alters cardiovascular risk factors in women with polycystic ovary syndrome (POS). METHODS: transversal study where 60 POS women with ages from 18 to 35 years old, with no hormone intake, were evaluated. IR was assessed through the quantitative insulin sensitivity check index (QUICKI) and defined as QUICKI <0.33. The following variables have been compared between the groups with or without IR: anthropometric (weight, height, waist circumference, arterial blood pressure, cardiac frequency), laboratorial (homocysteine, interleucines-6, factor of tumoral-α necrosis, testosterone, fraction of free androgen, total cholesterol and fractions, triglycerides, C reactive protein, insulin, glucose), and ultrasonographical (distensibility and carotid intima-media thickness, dilation mediated by the brachial artery flux). RESULTS: Eighteen women (30%) presented IR and showed significant differences in the following anthropometric markers, as compared to the women without IR (POS with and without IR respectively): body mass index (35.56±5.69 kg/m² versus 23.90±4.88 kg/m², p<0.01), waist (108.17±11.53 versus 79.54±11.12 cm, p<0.01), systolic blood pressure (128.00±10.80 mmHg versus 114.07±8.97 mmHg, p<0.01), diastolic blood pressure (83.67±9.63 mmHg versus 77.07±7.59 mmHg, p=0.01). It has also been observed significant differences in the following laboratorial markers: triglycerides (120.00±56.53 mg/dL versus 77.79±53.46 mg/dL, p=0.01), HDL (43.06±6.30 mg/dL versus 40.45±10.82 mg/dL, p=0.01), reactive C protein (7.98±10.54 mg/L versus 2.61±3.21 mg/L, p<0.01), insulin (28.01±18.18 µU/mL versus 5.38±2.48 µU/mL, p<0.01), glucose (93.56±10.00 mg/dL versus 87.52±8.75 mg/dL, p=0.02). Additionally, two out of the three ultrasonographical markers of cardiovascular risk were also different between the groups: carotid distensibility (0.24±0.05 mmHg-1 versus 0.30±0.08 mmHg-1, p<0.01) and carotid intima-media thickness (0.52±0.08 mm versus 0.43±0.09, p<0.01). Besides, the metabolic syndrome ratio was higher in women with IR (nine cases=50% versus three cases=7.1%, p<0.01). CONCLUSIONS: POS and IR women present significant differences in several ultrasonographical, seric and anthropometric markers, which point out to higher cardiovascular risk, as compared to women without POS and IR. In face of that, the systematic IR evaluation in POS women may help to identify patients with cardiovascular risk.
Summary
Rev Bras Ginecol Obstet. 2009;31(3):111-116
DOI 10.1590/S0100-72032009000300002
PURPOSE: to evaluate whether the presence of insulin resistance (IR) alters cardiovascular risk factors in women with polycystic ovary syndrome (POS). METHODS: transversal study where 60 POS women with ages from 18 to 35 years old, with no hormone intake, were evaluated. IR was assessed through the quantitative insulin sensitivity check index (QUICKI) and defined as QUICKI <0.33. The following variables have been compared between the groups with or without IR: anthropometric (weight, height, waist circumference, arterial blood pressure, cardiac frequency), laboratorial (homocysteine, interleucines-6, factor of tumoral-α necrosis, testosterone, fraction of free androgen, total cholesterol and fractions, triglycerides, C reactive protein, insulin, glucose), and ultrasonographical (distensibility and carotid intima-media thickness, dilation mediated by the brachial artery flux). RESULTS: Eighteen women (30%) presented IR and showed significant differences in the following anthropometric markers, as compared to the women without IR (POS with and without IR respectively): body mass index (35.56±5.69 kg/m² versus 23.90±4.88 kg/m², p<0.01), waist (108.17±11.53 versus 79.54±11.12 cm, p<0.01), systolic blood pressure (128.00±10.80 mmHg versus 114.07±8.97 mmHg, p<0.01), diastolic blood pressure (83.67±9.63 mmHg versus 77.07±7.59 mmHg, p=0.01). It has also been observed significant differences in the following laboratorial markers: triglycerides (120.00±56.53 mg/dL versus 77.79±53.46 mg/dL, p=0.01), HDL (43.06±6.30 mg/dL versus 40.45±10.82 mg/dL, p=0.01), reactive C protein (7.98±10.54 mg/L versus 2.61±3.21 mg/L, p<0.01), insulin (28.01±18.18 µU/mL versus 5.38±2.48 µU/mL, p<0.01), glucose (93.56±10.00 mg/dL versus 87.52±8.75 mg/dL, p=0.02). Additionally, two out of the three ultrasonographical markers of cardiovascular risk were also different between the groups: carotid distensibility (0.24±0.05 mmHg-1 versus 0.30±0.08 mmHg-1, p<0.01) and carotid intima-media thickness (0.52±0.08 mm versus 0.43±0.09, p<0.01). Besides, the metabolic syndrome ratio was higher in women with IR (nine cases=50% versus three cases=7.1%, p<0.01). CONCLUSIONS: POS and IR women present significant differences in several ultrasonographical, seric and anthropometric markers, which point out to higher cardiovascular risk, as compared to women without POS and IR. In face of that, the systematic IR evaluation in POS women may help to identify patients with cardiovascular risk.
Summary
Rev Bras Ginecol Obstet. 2007;29(3):141-146
DOI 10.1590/S0100-72032007000300005
PURPOSE: to evaluate the effect of obesity on beta-cell function in patients with polycystic ovary syndrome (PCOS). METHODS: this cross-section study evaluated 82 patients with PCOS selected consecutively, at the moment of the diagnosis. We compared 31 PCOS obese women (BMI >30 kg/m²) to 51 age-matched PCOS nonobese patients (BMI <30 kg/m²). Using fasting glucose and insulin levels, homeostatic model assessment values for insulin resistance (HOMA-IR and QUICKI) and percent beta-cell function (HOMA-%beta-cell) were calculated. As secondary variables, the age at PCOS diagnosis, age of menarche, hormonal levels (testosterone, prolactin, FSH and LH), total cholesterol, triglycerides, HDL cholesterol and LDL cholesterol were also analyzed. RESULTS: menarche was significantly earlier in obese PCOS patients (11.7±1.8 years) than in nonobese patients (12.67±1.86 years) (p<0.05). Obese patients presented lower LH levels (7.9±5 mIU/mL) than did nonobese patients (10.6±6 mIU/mL) (p<0.05). Both groups presented mean HDL cholesterol levels below 50 mg/dL. Obese patients presented significantly higher baseline insulin levels (32.5±25.2 mIU/mL) and fasting blood glucose levels (115.9±40.7 mg/dL) than did nonobese patients (8.8±6.6 mIU/mL and 90.2±8.9 mg/dL, respectively) (p<0.01). Of the obese PCOS patients, 93% presented insulin resistance versus 25% of nonobese PCOS patients (p<0.01). Eighty-six perecent of the obese women had hyperfunction of beta-cell versus 41% of nonobese with PCOS (p<0.0001). CONCLUSIONS: obese PCOS patients presented higher prevalence of insulin resistance and hyperfunction of beta-cell than did nonobese PCOS patients.
Summary
Rev Bras Ginecol Obstet. 2007;29(3):141-146
DOI 10.1590/S0100-72032007000300005
PURPOSE: to evaluate the effect of obesity on beta-cell function in patients with polycystic ovary syndrome (PCOS). METHODS: this cross-section study evaluated 82 patients with PCOS selected consecutively, at the moment of the diagnosis. We compared 31 PCOS obese women (BMI >30 kg/m²) to 51 age-matched PCOS nonobese patients (BMI <30 kg/m²). Using fasting glucose and insulin levels, homeostatic model assessment values for insulin resistance (HOMA-IR and QUICKI) and percent beta-cell function (HOMA-%beta-cell) were calculated. As secondary variables, the age at PCOS diagnosis, age of menarche, hormonal levels (testosterone, prolactin, FSH and LH), total cholesterol, triglycerides, HDL cholesterol and LDL cholesterol were also analyzed. RESULTS: menarche was significantly earlier in obese PCOS patients (11.7±1.8 years) than in nonobese patients (12.67±1.86 years) (p<0.05). Obese patients presented lower LH levels (7.9±5 mIU/mL) than did nonobese patients (10.6±6 mIU/mL) (p<0.05). Both groups presented mean HDL cholesterol levels below 50 mg/dL. Obese patients presented significantly higher baseline insulin levels (32.5±25.2 mIU/mL) and fasting blood glucose levels (115.9±40.7 mg/dL) than did nonobese patients (8.8±6.6 mIU/mL and 90.2±8.9 mg/dL, respectively) (p<0.01). Of the obese PCOS patients, 93% presented insulin resistance versus 25% of nonobese PCOS patients (p<0.01). Eighty-six perecent of the obese women had hyperfunction of beta-cell versus 41% of nonobese with PCOS (p<0.0001). CONCLUSIONS: obese PCOS patients presented higher prevalence of insulin resistance and hyperfunction of beta-cell than did nonobese PCOS patients.
Summary
Rev Bras Ginecol Obstet. 2016;38(5):207-209
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Rev Bras Ginecol Obstet. 2016;38(5):207-209
Summary
Rev Bras Ginecol Obstet. 2010;32(7):311-314
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Rev Bras Ginecol Obstet. 2010;32(7):311-314
Summary
Rev Bras Ginecol Obstet. 2012;34(7):316-322
DOI 10.1590/S0100-72032012000700005
PURPOSE: To compare the metabolic parameters, body composition and muscle strength of women with Polycystic Ovary Syndrome (PCOS) to those of women with ovulatory menstrual cycles. METHODS: A case-control study was conducted on 27 women with PCOS and 28 control women with ovulatory cycles, aged 18 to 27 years with a body mass index of 18 to 39.9 kg/m², who did not practice regular physical activity. Serum testosterone, androstenedione, prolactin, sex hormone-binding globulin (SHBG), insulin and glycemia levels were determined. Free androgen index (FAI) and resistance to insulin (by HOMA) were calculated. The volunteers were submitted to evaluation of body composition based on skin folds and DEXA and to 1-RM maximum muscle strength tests in three exercises after familiarization procedures and handgrip isometric force was determined. RESULTS: Testosterone levels were higher in the PCOS group than in the Control Group (68.07±20.18 versus 58.20±12.82 ng/dL; p=0.02), as also were the FAI (282.51±223.86 versus 127.08±77.19; p=0.01), insulin (8.41±7.06 versus 4.05±2.73 µIU/mL; p=0.01), and HOMA (2.3±2.32 versus 1.06±0.79; p=0.01), and SBHG levels were lower (52.51±43.27 versus 65.45±27.43 nmol/L; p=0.04). No significant differences in body composition were observed between groups using the proposed methods. The PCOS group showed greater muscle strength in the 1-RM test in the bench press (31.2±4.75 versus 27.79±3.63 kg; p=0.02), and leg extension exercises (27.9±6.23 versus 23.47±4.21 kg; p=0.02) as well as handgrip isometric force (5079.61±1035.77 versus 4477.38±69.66 kgf/m², p=0.04). PCOS was an independent predictor of increase muscle strength in bench press exercises (estimate (E)=2.7) (p=0.04) and leg extension (E=3.5) (p=0.04), and BMI in the exercise of isometric handgrip (E=72.2) (p<0.01), bench press (E=0.2) (p=0.02) and arm curl (E=0.3) (p<0.01). No association was found between HOMA-IR and muscle strength. CONCLUSIONS: Women with POS showed greater muscle strength, with no difference in body composition, and IR was not associated with muscle strength performance. Muscle strength may be possibly related to high levels of androgens in these women.
Summary
Rev Bras Ginecol Obstet. 2012;34(7):316-322
DOI 10.1590/S0100-72032012000700005
PURPOSE: To compare the metabolic parameters, body composition and muscle strength of women with Polycystic Ovary Syndrome (PCOS) to those of women with ovulatory menstrual cycles. METHODS: A case-control study was conducted on 27 women with PCOS and 28 control women with ovulatory cycles, aged 18 to 27 years with a body mass index of 18 to 39.9 kg/m², who did not practice regular physical activity. Serum testosterone, androstenedione, prolactin, sex hormone-binding globulin (SHBG), insulin and glycemia levels were determined. Free androgen index (FAI) and resistance to insulin (by HOMA) were calculated. The volunteers were submitted to evaluation of body composition based on skin folds and DEXA and to 1-RM maximum muscle strength tests in three exercises after familiarization procedures and handgrip isometric force was determined. RESULTS: Testosterone levels were higher in the PCOS group than in the Control Group (68.07±20.18 versus 58.20±12.82 ng/dL; p=0.02), as also were the FAI (282.51±223.86 versus 127.08±77.19; p=0.01), insulin (8.41±7.06 versus 4.05±2.73 µIU/mL; p=0.01), and HOMA (2.3±2.32 versus 1.06±0.79; p=0.01), and SBHG levels were lower (52.51±43.27 versus 65.45±27.43 nmol/L; p=0.04). No significant differences in body composition were observed between groups using the proposed methods. The PCOS group showed greater muscle strength in the 1-RM test in the bench press (31.2±4.75 versus 27.79±3.63 kg; p=0.02), and leg extension exercises (27.9±6.23 versus 23.47±4.21 kg; p=0.02) as well as handgrip isometric force (5079.61±1035.77 versus 4477.38±69.66 kgf/m², p=0.04). PCOS was an independent predictor of increase muscle strength in bench press exercises (estimate (E)=2.7) (p=0.04) and leg extension (E=3.5) (p=0.04), and BMI in the exercise of isometric handgrip (E=72.2) (p<0.01), bench press (E=0.2) (p=0.02) and arm curl (E=0.3) (p<0.01). No association was found between HOMA-IR and muscle strength. CONCLUSIONS: Women with POS showed greater muscle strength, with no difference in body composition, and IR was not associated with muscle strength performance. Muscle strength may be possibly related to high levels of androgens in these women.
Summary
Rev Bras Ginecol Obstet. 2009;31(7):342-348
DOI 10.1590/S0100-72032009000700004
PURPOSE: to compare echographical cardiovascular risk factors between obese and non-obese patients with micropolycystic ovarian syndrome (MPOS). METHODS: in this transversal study, 30 obese (Body Mass Index, BMI>30 kg/m²) and 60 non-obese (BMI<30 kg/m²) MPOS patients, aging between 18 and 35 years old, were included. The following variables were measured: flow-mediated dilatation (FMD) of the brachial artery, thickness of the intima-media of the carotid artery (IMT), anthropometric data, systolic arterial pressure (SAP) and diastolic arterial pressure (DAP). The women had no previous medical treatment and no comorbidity besides MPOS and obesity. For statistical analysis, the non-paired tand Mann-Whitney's tests were used. RESULTS: obese weighted more than non-obese patients (92.1±11.7 kg versus 61.4±10.7 kg, p<0.0001) and had a larger waist circumference (105.0±10.4 cm versus 78.5±9.8 cm, p<0.0001). The SBP of obese patients was higher than that of the non-obese ones (126.1±10.9 mmHg versus 115.8±9.0 mmHg, p<0.0001) and the IMT was also bigger (0.51±0.07 mm versus 0.44±0.09 mm, p<0.0001). There was no significant difference between the groups as to FMD and carotid rigidity index (β). CONCLUSIONS: obesity in young women with MPOS is associated with higher blood pressure and alteration of arterial structure, represented by a thicker intima-media of the carotid artery.
Summary
Rev Bras Ginecol Obstet. 2009;31(7):342-348
DOI 10.1590/S0100-72032009000700004
PURPOSE: to compare echographical cardiovascular risk factors between obese and non-obese patients with micropolycystic ovarian syndrome (MPOS). METHODS: in this transversal study, 30 obese (Body Mass Index, BMI>30 kg/m²) and 60 non-obese (BMI<30 kg/m²) MPOS patients, aging between 18 and 35 years old, were included. The following variables were measured: flow-mediated dilatation (FMD) of the brachial artery, thickness of the intima-media of the carotid artery (IMT), anthropometric data, systolic arterial pressure (SAP) and diastolic arterial pressure (DAP). The women had no previous medical treatment and no comorbidity besides MPOS and obesity. For statistical analysis, the non-paired tand Mann-Whitney's tests were used. RESULTS: obese weighted more than non-obese patients (92.1±11.7 kg versus 61.4±10.7 kg, p<0.0001) and had a larger waist circumference (105.0±10.4 cm versus 78.5±9.8 cm, p<0.0001). The SBP of obese patients was higher than that of the non-obese ones (126.1±10.9 mmHg versus 115.8±9.0 mmHg, p<0.0001) and the IMT was also bigger (0.51±0.07 mm versus 0.44±0.09 mm, p<0.0001). There was no significant difference between the groups as to FMD and carotid rigidity index (β). CONCLUSIONS: obesity in young women with MPOS is associated with higher blood pressure and alteration of arterial structure, represented by a thicker intima-media of the carotid artery.