Trabalhos Originais Archives - Page 5 of 50 - Revista Brasileira de Ginecologia e Obstetrícia
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(7):417-422
DOI 10.1590/S0100-72032001000700002
Purpose: to investigate risk factors associated with accretion in placenta previa (PP) patients. Methods: this was a retrospective case-control study of all the records of patients who delivered between 1986-1998 at Maternidade Escola de Vila Nova Cachoeirinha (São Paulo) with a diagnosis of placenta previa. The groups with and without accretion were compared regarding age, parity, previous history of miscarriage, curettage and cesarean section, type of PP and predominant area of placental attachment. Possible associations between the dependent (accretion) and independent (maternal and placental characteristics) variables were evaluated using the chi² test, univariate and multivariate analyses. Results: reviewing 245 cases of PP, two risk factors were significantly associated with accretion: central placenta previa (odds ratio (OR): 2.93) and two or more previous cesarean sections(OR: 2.54). Based on these data, a predictive model was constructed, according to which a patient with central PP and two more previous cesarean sections has a 44.4% risk for accretion. Conclusions: results of the current study may help obstetricians in the classification of their patients with PP in different risk categories for accretion. This could be useful in preparing for possible delivery complications in those patients considered at a higher risk for accretion.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(7):417-422
DOI 10.1590/S0100-72032001000700002
Purpose: to investigate risk factors associated with accretion in placenta previa (PP) patients. Methods: this was a retrospective case-control study of all the records of patients who delivered between 1986-1998 at Maternidade Escola de Vila Nova Cachoeirinha (São Paulo) with a diagnosis of placenta previa. The groups with and without accretion were compared regarding age, parity, previous history of miscarriage, curettage and cesarean section, type of PP and predominant area of placental attachment. Possible associations between the dependent (accretion) and independent (maternal and placental characteristics) variables were evaluated using the chi² test, univariate and multivariate analyses. Results: reviewing 245 cases of PP, two risk factors were significantly associated with accretion: central placenta previa (odds ratio (OR): 2.93) and two or more previous cesarean sections(OR: 2.54). Based on these data, a predictive model was constructed, according to which a patient with central PP and two more previous cesarean sections has a 44.4% risk for accretion. Conclusions: results of the current study may help obstetricians in the classification of their patients with PP in different risk categories for accretion. This could be useful in preparing for possible delivery complications in those patients considered at a higher risk for accretion.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(8):507-513
DOI 10.1590/S0100-72032001000800005
Purpose: to evaluate the effect of hormone replacement therapy on breast cell proliferation and on collagen and elastic fiber formation and to analyze the changes occurring in the breast parenchyma as a whole. Method: a total of 61 adult Wistar rats were divided into 5 groups. The standard group (12 rats) represented the normal hormonal ovarian status. The remaining 49 rats were oophorectomized and, starting on the 96th P.O. day, received the specific drug for 30 days. The CEE group received 50 mg/day conjugated equine estrogens (13 rats); the MPA group, 2.0 mg/day medroxyprogesterone acetate (12 rats); the CEE + MPA group, both drugs (12 rats), and the DW group, distilled water (12 rats). On the 31st day of medication, the animals were sacrificed and the inguinal mammary glands were removed for histological analysis. Cell proliferation was assessed at the ductal and acinar levels using anti-PCNA antibody. Mature collagen (type I) and immature collagen (type III) were quantified by Sirius-Red staining, and elastic fiber formation was quantified by Weigert staining. Anatomopathological analysis was performed by hematoxylin-eosin staining, with the determination of number of acini per terminal duct, number of ducts per field, presence of intraductal secretion, and intensity of intracytoplasmic vacuolization. Results: the CEE + MPA group presented a smaller percentage of proliferating ductal cells (46.1%) (p<0.0001) and a greater proliferation of acinar cells (66.3%), similar to those detected in the MPA group (p=0.075) but differing from those detected in the remaining groups (p<0.004). The CEE group showed the largest amount of immature collagen (33.6%) (p<0.01) and the MPA group showed the highest concentration of elastic fibers (11.7%) (p<0.0001). The CEE + MPA and MPA groups showed secretory acinar hyperplasia that was intense (91.7%) in the CEE + MPA group and mild (41.7%) or moderate (58.3%) in the MPA group, but differering in both cases from the remaining groups (p<0,097). Conclusions: conjugated equine estrogens in combination with medroxyprogesterone inhibit ductal cell proliferation and stimulate acinar cell proliferation causing secretory acinar hyperplasia; conjugated horse estrogens intensify the formation of immature (type III) collagen, and medroxyprogesterone acetate increases the formation of elastic fibers.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(8):507-513
DOI 10.1590/S0100-72032001000800005
Purpose: to evaluate the effect of hormone replacement therapy on breast cell proliferation and on collagen and elastic fiber formation and to analyze the changes occurring in the breast parenchyma as a whole. Method: a total of 61 adult Wistar rats were divided into 5 groups. The standard group (12 rats) represented the normal hormonal ovarian status. The remaining 49 rats were oophorectomized and, starting on the 96th P.O. day, received the specific drug for 30 days. The CEE group received 50 mg/day conjugated equine estrogens (13 rats); the MPA group, 2.0 mg/day medroxyprogesterone acetate (12 rats); the CEE + MPA group, both drugs (12 rats), and the DW group, distilled water (12 rats). On the 31st day of medication, the animals were sacrificed and the inguinal mammary glands were removed for histological analysis. Cell proliferation was assessed at the ductal and acinar levels using anti-PCNA antibody. Mature collagen (type I) and immature collagen (type III) were quantified by Sirius-Red staining, and elastic fiber formation was quantified by Weigert staining. Anatomopathological analysis was performed by hematoxylin-eosin staining, with the determination of number of acini per terminal duct, number of ducts per field, presence of intraductal secretion, and intensity of intracytoplasmic vacuolization. Results: the CEE + MPA group presented a smaller percentage of proliferating ductal cells (46.1%) (p<0.0001) and a greater proliferation of acinar cells (66.3%), similar to those detected in the MPA group (p=0.075) but differing from those detected in the remaining groups (p<0.004). The CEE group showed the largest amount of immature collagen (33.6%) (p<0.01) and the MPA group showed the highest concentration of elastic fibers (11.7%) (p<0.0001). The CEE + MPA and MPA groups showed secretory acinar hyperplasia that was intense (91.7%) in the CEE + MPA group and mild (41.7%) or moderate (58.3%) in the MPA group, but differering in both cases from the remaining groups (p<0,097). Conclusions: conjugated equine estrogens in combination with medroxyprogesterone inhibit ductal cell proliferation and stimulate acinar cell proliferation causing secretory acinar hyperplasia; conjugated horse estrogens intensify the formation of immature (type III) collagen, and medroxyprogesterone acetate increases the formation of elastic fibers.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(8):499-504
DOI 10.1590/S0100-72032001000800004
Purpose: to evaluate factors that might influence the results of nonphamacological treatment (verbal guidance) in women with clinical mastalgia. Methods: an uncontrolled study of the experimental type was conducted on a sample of 128 women with a clear history of clinical mastalgia treated with verbal guidance. A visual analogue scale for pain was used before and after treatment to evaluate pain intensity and mastalgia was classified into grade I (mild), grade II (moderate) and grade III (severe) according to pain intensity. The Cardiff Breast Score (CBS), modified, was also used to evaluate the clinical response to treatment. Data were analyzed statistically using the chi² test (Epi-Info 6.04). Results: we noted that factors such as parity, menarche, age at first term delivery and breast-feeding had no significant effect (p=0.19, p=0.31, p=0.80 and p=0.54, respectively) on the results of nonpharmacological treatment (verbal guidance). On the other hand, when age was taken into consideration, 26 patients (78.8%) aged 40 years or older were found to benefi more from verbal guidance, with a significant difference (p=0.01) when compared to younger women. Conclusion: reproductive factors such as parity, menarche, age at first term delivery and breast-feeding did not affect the results of nonpharmacological treatment (verbal guidance), whereas the age factor had a specific and significant effect on the results.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(8):499-504
DOI 10.1590/S0100-72032001000800004
Purpose: to evaluate factors that might influence the results of nonphamacological treatment (verbal guidance) in women with clinical mastalgia. Methods: an uncontrolled study of the experimental type was conducted on a sample of 128 women with a clear history of clinical mastalgia treated with verbal guidance. A visual analogue scale for pain was used before and after treatment to evaluate pain intensity and mastalgia was classified into grade I (mild), grade II (moderate) and grade III (severe) according to pain intensity. The Cardiff Breast Score (CBS), modified, was also used to evaluate the clinical response to treatment. Data were analyzed statistically using the chi² test (Epi-Info 6.04). Results: we noted that factors such as parity, menarche, age at first term delivery and breast-feeding had no significant effect (p=0.19, p=0.31, p=0.80 and p=0.54, respectively) on the results of nonpharmacological treatment (verbal guidance). On the other hand, when age was taken into consideration, 26 patients (78.8%) aged 40 years or older were found to benefi more from verbal guidance, with a significant difference (p=0.01) when compared to younger women. Conclusion: reproductive factors such as parity, menarche, age at first term delivery and breast-feeding did not affect the results of nonpharmacological treatment (verbal guidance), whereas the age factor had a specific and significant effect on the results.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(8):491-495
DOI 10.1590/S0100-72032001000800003
Purpose: to evaluate hysterosalpingo-contrast sonography as an alternative method in the study of tubal patency in a group of infertile women. Methods: this is a transversal clinic study, which analyzed hysterosalpingo-contrast sonography and compared it with hysterosalpingography, as a method for the study of tubal patency, in a group of 31 infertile patients. Hysterosalpingo-contrast sonography had a sensitivity of 93.6%, specificity of 75%, positive predictive value of 95.6%, negative predictive value of 66.7% and accuracy of 90%. The tubes were not accessible in 8.9%. The mean time to perform the examination was 12 minutes. Fourty-six percent of the patients did not report pain during the examination and 23% reported light, 19.2% moderate, and only 11.5% reported severe pain. Conclusion: hysterosalpingo-contrast sonography proved to be a safe, and tolerable method, of quick performance, with good sensitivity and specificity in the study of tubal patency in infertile women.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(8):491-495
DOI 10.1590/S0100-72032001000800003
Purpose: to evaluate hysterosalpingo-contrast sonography as an alternative method in the study of tubal patency in a group of infertile women. Methods: this is a transversal clinic study, which analyzed hysterosalpingo-contrast sonography and compared it with hysterosalpingography, as a method for the study of tubal patency, in a group of 31 infertile patients. Hysterosalpingo-contrast sonography had a sensitivity of 93.6%, specificity of 75%, positive predictive value of 95.6%, negative predictive value of 66.7% and accuracy of 90%. The tubes were not accessible in 8.9%. The mean time to perform the examination was 12 minutes. Fourty-six percent of the patients did not report pain during the examination and 23% reported light, 19.2% moderate, and only 11.5% reported severe pain. Conclusion: hysterosalpingo-contrast sonography proved to be a safe, and tolerable method, of quick performance, with good sensitivity and specificity in the study of tubal patency in infertile women.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(8):481-488
DOI 10.1590/S0100-72032001000800002
Purpose: to investigate leptin levels in patients with polycystic ovary syndrome (PCOS), and relationships with testosterone, estradiol, follicle-stimulating hormone (FSH) and insulin levels. Methods: transversal study on 40 patients with PCOS divided into two groups: Group I (n = 20)- obese women (body mass index - BMI > or = 28 kg/m²), and Group II (n = 20) - non obese women (BMI <28 kg/m²). Results: BMI was different between the two groups (p=0.04). We observed that leptin concentrations were significantly correlated with BMI (p<0.001). After adjusting for BMI, no correlation between leptin, insulin (p=0.194), FSH (p=0.793), and total (p=0.441) and free (p=0.422) testosterone was found. However, we only observed positive correlations between leptin and estradiol (p=0.043). Conclusions: there is a strong correlation between leptin levels, BMI and estradiol levels in women with PCOS.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(8):481-488
DOI 10.1590/S0100-72032001000800002
Purpose: to investigate leptin levels in patients with polycystic ovary syndrome (PCOS), and relationships with testosterone, estradiol, follicle-stimulating hormone (FSH) and insulin levels. Methods: transversal study on 40 patients with PCOS divided into two groups: Group I (n = 20)- obese women (body mass index - BMI > or = 28 kg/m²), and Group II (n = 20) - non obese women (BMI <28 kg/m²). Results: BMI was different between the two groups (p=0.04). We observed that leptin concentrations were significantly correlated with BMI (p<0.001). After adjusting for BMI, no correlation between leptin, insulin (p=0.194), FSH (p=0.793), and total (p=0.441) and free (p=0.422) testosterone was found. However, we only observed positive correlations between leptin and estradiol (p=0.043). Conclusions: there is a strong correlation between leptin levels, BMI and estradiol levels in women with PCOS.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(7):459-462
DOI 10.1590/S0100-72032001000700008
Purpose: to compare the performance in tests between students with and without premenstrual syndrome (PMS), and between students with PMS in and outside the premenstrual period. Methods: the present study had a before-after design (quasi-experimental), to which 40 control patients without PMS were added. A total of 40 students from high school and courses for admission to the University were evaluated using, a standardized questionnaire. The students were divided, according to the scores obtained, into three groups: A) PMS group in the premenstrual period; B) PMS group outside the premenstrual period; C) control group (no PMS). The marks obtained in Physics and Math tests by the groups with and without PMS were analyzed by the Mann-Whitney test. The marks of the group PMS in and outside the premenstrual period were evaluated by the signal test. Results: of 4438 questionnaires applied, 29 from students with PMS and 29 from controls were selected. Comparing the medians of the marks obtained by the students from the PMS group in and outside the premenstrual period, there was no significant difference. There was also no significant difference between the marks of the PMS and control groups. Also, when the scores were evaluated, there was no difference in and outside the period, in the PMS group. Conclusion: PMS was not able to modify significantly the students' marks or scores in this study.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2001;23(7):459-462
DOI 10.1590/S0100-72032001000700008
Purpose: to compare the performance in tests between students with and without premenstrual syndrome (PMS), and between students with PMS in and outside the premenstrual period. Methods: the present study had a before-after design (quasi-experimental), to which 40 control patients without PMS were added. A total of 40 students from high school and courses for admission to the University were evaluated using, a standardized questionnaire. The students were divided, according to the scores obtained, into three groups: A) PMS group in the premenstrual period; B) PMS group outside the premenstrual period; C) control group (no PMS). The marks obtained in Physics and Math tests by the groups with and without PMS were analyzed by the Mann-Whitney test. The marks of the group PMS in and outside the premenstrual period were evaluated by the signal test. Results: of 4438 questionnaires applied, 29 from students with PMS and 29 from controls were selected. Comparing the medians of the marks obtained by the students from the PMS group in and outside the premenstrual period, there was no significant difference. There was also no significant difference between the marks of the PMS and control groups. Also, when the scores were evaluated, there was no difference in and outside the period, in the PMS group. Conclusion: PMS was not able to modify significantly the students' marks or scores in this study.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2003;25(1):53-59
DOI 10.1590/S0100-72032003000100008
PURPOSE: to study maternal (body composition and cardiovascular capacity) and perinatal (weight and prematurity) effects of hydrotherapy during pregnancy. METHODS: a prospective, random cohort study, with 41 low-risk pregnant women in their first pregnancy, practicing (study group, n=22) and not (control group, n=19) hydrotherapy. Anthropometric evaluation was used to assess lean mass, and absolute and relative body fat. Ergometric tests were used for maximum oxygen consumption (VO2max), stroke volume (SV) and cardiac output (CO). Perinatal results showed premature births and small for gestational age newborns. Initial and final indexes within and between groups were compared. Maternal variables were evaluated using the t test for dependent and independent values; the chi ² test was used to study proportions. RESULTS: there were no significant differences between the groups for maternal variables at the start and end of hydrotherapy. Comparison within each group confirmed the beneficial effect of hydrotherapy. In the study group, relative fat index was maintained at 29.0%; the control group showed an increase from 28.8% to 30.7%; the study group maintained VO2max at 35%, and increased SV from 106.6 to 121.5 and CO from 13.5 to 15.1; the control group showed a drop in VO2max and no change in SV and CO. There was no relationship between hydrotherapy and perinatal results. CONCLUSIONS: hydrotherapy adequately assisted metabolic and cardiovascular maternal adaptation to pregnancy and did not cause prematurity or weight loss in newborns.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2003;25(1):53-59
DOI 10.1590/S0100-72032003000100008
PURPOSE: to study maternal (body composition and cardiovascular capacity) and perinatal (weight and prematurity) effects of hydrotherapy during pregnancy. METHODS: a prospective, random cohort study, with 41 low-risk pregnant women in their first pregnancy, practicing (study group, n=22) and not (control group, n=19) hydrotherapy. Anthropometric evaluation was used to assess lean mass, and absolute and relative body fat. Ergometric tests were used for maximum oxygen consumption (VO2max), stroke volume (SV) and cardiac output (CO). Perinatal results showed premature births and small for gestational age newborns. Initial and final indexes within and between groups were compared. Maternal variables were evaluated using the t test for dependent and independent values; the chi ² test was used to study proportions. RESULTS: there were no significant differences between the groups for maternal variables at the start and end of hydrotherapy. Comparison within each group confirmed the beneficial effect of hydrotherapy. In the study group, relative fat index was maintained at 29.0%; the control group showed an increase from 28.8% to 30.7%; the study group maintained VO2max at 35%, and increased SV from 106.6 to 121.5 and CO from 13.5 to 15.1; the control group showed a drop in VO2max and no change in SV and CO. There was no relationship between hydrotherapy and perinatal results. CONCLUSIONS: hydrotherapy adequately assisted metabolic and cardiovascular maternal adaptation to pregnancy and did not cause prematurity or weight loss in newborns.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2003;25(1):61-66
DOI 10.1590/S0100-72032003000100009
PURPOSE: to study the frequency of recurrent gestational trophoblastic neoplasm and to analyze whether the features and the outcome of the repetitive disease lead to a higher risk of invasion or of malignization and the need for more courses of chemotherapy and more aggressive regimens. METHODS: twenty-nine patients with recurrent hydatidiform mole were followed up at the Santa Casa da Misericórdia Trophoblastic Disease Center (Rio de Janeiro, Brazil) between 1960 and 2001, showing an incidence of 1.28% (29/2262). The medical charts were examined to determine the patient's age, number of pregnancies, parity, clinical presentation and chemotherapy. A total of fifty-eight trophoblastic neoplasm episodes occurred in these 29 patients and all were reviewed regarding their pathology. Statistical data were determined by the chi2 test with Yates correction and analysis was performed using Epi-Info software for Windows 2000. RESULTS: invasive mole or choriocarcinoma occurred at the first event of hydatidiform mole in only one patient (1/29 - 3.44%), whereas invasion or malignization occurred in the second event in seven patients (7/29 - 24,13%) [OR: 8.9; CI 95%: 1.5 - 41; p<0.05]. CONCLUSION: recurrent molar pregnancy was associated with histological worsening and an increase in the incidence of proliferative trophoblastic sequelae in the consecutive episodes of hydatidiform mole, more frequent and aggressive chemotherapy being necessary.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2003;25(1):61-66
DOI 10.1590/S0100-72032003000100009
PURPOSE: to study the frequency of recurrent gestational trophoblastic neoplasm and to analyze whether the features and the outcome of the repetitive disease lead to a higher risk of invasion or of malignization and the need for more courses of chemotherapy and more aggressive regimens. METHODS: twenty-nine patients with recurrent hydatidiform mole were followed up at the Santa Casa da Misericórdia Trophoblastic Disease Center (Rio de Janeiro, Brazil) between 1960 and 2001, showing an incidence of 1.28% (29/2262). The medical charts were examined to determine the patient's age, number of pregnancies, parity, clinical presentation and chemotherapy. A total of fifty-eight trophoblastic neoplasm episodes occurred in these 29 patients and all were reviewed regarding their pathology. Statistical data were determined by the chi2 test with Yates correction and analysis was performed using Epi-Info software for Windows 2000. RESULTS: invasive mole or choriocarcinoma occurred at the first event of hydatidiform mole in only one patient (1/29 - 3.44%), whereas invasion or malignization occurred in the second event in seven patients (7/29 - 24,13%) [OR: 8.9; CI 95%: 1.5 - 41; p<0.05]. CONCLUSION: recurrent molar pregnancy was associated with histological worsening and an increase in the incidence of proliferative trophoblastic sequelae in the consecutive episodes of hydatidiform mole, more frequent and aggressive chemotherapy being necessary.