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Rev Bras Ginecol Obstet. 2005;27(1):12-19
DOI 10.1590/S0100-72032005000100005
PURPOSE: to evaluate and compare results of female pelvic floor surface electromyography in different positions: lying, sitting and standing. METHODS: twenty-six women with the diagnosis of stress urinary incontinence treated with a protocol of exercises to strengthen the pelvic floor muscle were evaluated. Pelvic floor surface electromyography was performed with an intravaginal sensor connected to Myotrac 3G TM equipment, as follows: initial rest of 60 s, five phasic contractions, one 10-s tonic contraction and one 20-s tonic contraction. The amplitudes were obtained from the difference between the final contraction amplitude and the amplitude at rest (in µV). Wilcoxon test was applied for nonparametric data (p value <0.05). RESULTS: the amplitudes of contractions were higher in the lying position, decreasing in the sitting and standing positions. In the lying position, the median values of phasic and tonic contractions were 23.5 (5-73), 18.0 (3-58) and 17.0 (2-48), respectively. In the sitting position, they were 20.0 (2-69), 16.0 (0-58) and 15.5 (1-48). In the standing position they were 16.5 (3-67), 12.5 (2-54) and 13.5 (2-41). All amplitude values were significantly lower in the standing position compared to the lying position (p<0.001, p<0.001 and p=0.003). Similar results were also found in comparison to the sitting position. However, there was no significant difference between the lying and the sitting positions. CONCLUSION: all female pelvic floor contraction amplitudes were lower in the standing position, suggesting that the muscle strength should be intensified in that position.
Summary
Rev Bras Ginecol Obstet. 2005;27(1):12-19
DOI 10.1590/S0100-72032005000100005
PURPOSE: to evaluate and compare results of female pelvic floor surface electromyography in different positions: lying, sitting and standing. METHODS: twenty-six women with the diagnosis of stress urinary incontinence treated with a protocol of exercises to strengthen the pelvic floor muscle were evaluated. Pelvic floor surface electromyography was performed with an intravaginal sensor connected to Myotrac 3G TM equipment, as follows: initial rest of 60 s, five phasic contractions, one 10-s tonic contraction and one 20-s tonic contraction. The amplitudes were obtained from the difference between the final contraction amplitude and the amplitude at rest (in µV). Wilcoxon test was applied for nonparametric data (p value <0.05). RESULTS: the amplitudes of contractions were higher in the lying position, decreasing in the sitting and standing positions. In the lying position, the median values of phasic and tonic contractions were 23.5 (5-73), 18.0 (3-58) and 17.0 (2-48), respectively. In the sitting position, they were 20.0 (2-69), 16.0 (0-58) and 15.5 (1-48). In the standing position they were 16.5 (3-67), 12.5 (2-54) and 13.5 (2-41). All amplitude values were significantly lower in the standing position compared to the lying position (p<0.001, p<0.001 and p=0.003). Similar results were also found in comparison to the sitting position. However, there was no significant difference between the lying and the sitting positions. CONCLUSION: all female pelvic floor contraction amplitudes were lower in the standing position, suggesting that the muscle strength should be intensified in that position.
Summary
Rev Bras Ginecol Obstet. 2007;29(3):134-140
DOI 10.1590/S0100-72032007000300004
PURPOSE: to compare women's quality of life (QoL) before and after physical therapy treatment for stress urinary incontinence (SUI). METHODS: an uncontrolled clinical trial of 26 women, who had mainly complaints of SUI. Post-menopausal women with overactive bladder, cystocele >grade II and previous surgical/conservative treatments were excluded from the study. The physiotherapy treatment relied on 12 individual pelvic floor exercises assisted by electromyographyc-biofeedback sessions. A total of 200 contractions were carried out, divided in phasic (quick) and tonic (slow). The tool used to evaluate QoL was the King's Health Questionnaire (KHQ), before and after the treatment. RESULTS: there was a decrease in the urinary symptoms, particularly in urinary frequency, nocturia, urgency and urinary incontinence. Regarding the QoL, there was a significant improvement in the following domain scores: general health perception (49.0±24.0 versus 26.9±15.7; p=0.0015), incontinence impact (78.2±28.2 versus 32.1±30.5; p=0.001), activity limitation (75.0±28.2 versus 13.5±22.6; p<0.001), physical limitation (72.4±29.4 versus 15.4±24.5; p<0.001), social limitations (38.3±28.6 versus 6.4±14.5; p<0.001), emotions (59.0±33.8 versus 14.1±24.7; p=0.0001, sleep/energy (34.0±23.8 versus 6.4±16.4; p=0.001) and severity measures (66.9±19.6 versus 22.3±24.2; p<0.001), except for personal relationships (60.5±33.9 versus 41.7±16.7; p=0.0679). CONCLUSIONS: there was an improvement in several aspects of women's QoL treated by physiotherapy, when evaluated with a specific tool, the KHQ.
Summary
Rev Bras Ginecol Obstet. 2007;29(3):134-140
DOI 10.1590/S0100-72032007000300004
PURPOSE: to compare women's quality of life (QoL) before and after physical therapy treatment for stress urinary incontinence (SUI). METHODS: an uncontrolled clinical trial of 26 women, who had mainly complaints of SUI. Post-menopausal women with overactive bladder, cystocele >grade II and previous surgical/conservative treatments were excluded from the study. The physiotherapy treatment relied on 12 individual pelvic floor exercises assisted by electromyographyc-biofeedback sessions. A total of 200 contractions were carried out, divided in phasic (quick) and tonic (slow). The tool used to evaluate QoL was the King's Health Questionnaire (KHQ), before and after the treatment. RESULTS: there was a decrease in the urinary symptoms, particularly in urinary frequency, nocturia, urgency and urinary incontinence. Regarding the QoL, there was a significant improvement in the following domain scores: general health perception (49.0±24.0 versus 26.9±15.7; p=0.0015), incontinence impact (78.2±28.2 versus 32.1±30.5; p=0.001), activity limitation (75.0±28.2 versus 13.5±22.6; p<0.001), physical limitation (72.4±29.4 versus 15.4±24.5; p<0.001), social limitations (38.3±28.6 versus 6.4±14.5; p<0.001), emotions (59.0±33.8 versus 14.1±24.7; p=0.0001, sleep/energy (34.0±23.8 versus 6.4±16.4; p=0.001) and severity measures (66.9±19.6 versus 22.3±24.2; p<0.001), except for personal relationships (60.5±33.9 versus 41.7±16.7; p=0.0679). CONCLUSIONS: there was an improvement in several aspects of women's QoL treated by physiotherapy, when evaluated with a specific tool, the KHQ.
Summary
Rev Bras Ginecol Obstet. 2009;31(4):189-195
DOI 10.1590/S0100-72032009000400006
PURPOSE: to identify species of lactobacillus isolated from the vaginal contents of healthy and asymptomatic women, determining the most prevalent species and characterizing them phenotypically. METHODS: lactobacillus have been isolated in selective milieu from samples of the vaginal contents of 135 women without complaints of vaginal secretion, and with negative laboratorial diagnosis of vaginal infection, followed up at an outpatient clinic. After being identified by multiplex PCR, the isolates have been submitted to RNAr 16S gene sequencing, when necessary. They have also been evaluated concerning the production of lactic acid, H2O2, bacteriocins and the ability to adhere to epithelial cells. RESULTS: eight-three lactobacillus strains were isolated and identified, L. crispatus (30.1%), L. jensenii (26.5%), L. gasseri (22.9%) e L. vaginalis (8.4%), being the prevalent species. Only 20 of those isolates did not present H2O2 production, in detectable amounts. From the 37 strains selected for the test of adhesion to the epithelial cells, 12 presented 50 to 69% of adhesion, 10 presented 70% or more, and the remaining, little or no adhesion at all. None of the tested strains produced bacteriocins. CONCLUSIONS: the lactobacillus species more prevalent in women without vulvovaginitis, isolated in selective culture milieu and identified by molecular methods were L. crispatus, L. jensenii and L. gasseri. Besides the fact of being more prevalent, these strains also presented better production of H2O2, and reached lower pH values in the culture milieu.
Summary
Rev Bras Ginecol Obstet. 2009;31(4):189-195
DOI 10.1590/S0100-72032009000400006
PURPOSE: to identify species of lactobacillus isolated from the vaginal contents of healthy and asymptomatic women, determining the most prevalent species and characterizing them phenotypically. METHODS: lactobacillus have been isolated in selective milieu from samples of the vaginal contents of 135 women without complaints of vaginal secretion, and with negative laboratorial diagnosis of vaginal infection, followed up at an outpatient clinic. After being identified by multiplex PCR, the isolates have been submitted to RNAr 16S gene sequencing, when necessary. They have also been evaluated concerning the production of lactic acid, H2O2, bacteriocins and the ability to adhere to epithelial cells. RESULTS: eight-three lactobacillus strains were isolated and identified, L. crispatus (30.1%), L. jensenii (26.5%), L. gasseri (22.9%) e L. vaginalis (8.4%), being the prevalent species. Only 20 of those isolates did not present H2O2 production, in detectable amounts. From the 37 strains selected for the test of adhesion to the epithelial cells, 12 presented 50 to 69% of adhesion, 10 presented 70% or more, and the remaining, little or no adhesion at all. None of the tested strains produced bacteriocins. CONCLUSIONS: the lactobacillus species more prevalent in women without vulvovaginitis, isolated in selective culture milieu and identified by molecular methods were L. crispatus, L. jensenii and L. gasseri. Besides the fact of being more prevalent, these strains also presented better production of H2O2, and reached lower pH values in the culture milieu.
Summary
Summary
Rev Bras Ginecol Obstet. 1998;20(8):437-441
DOI 10.1590/S0100-72031998000800002
Purpose:to compare the incidence of preterm labor and birth, premature rupture of membranes (PROM) and low birth-weight newborns (< 2,500 g) between two groups of pregnant women (with or without BV). To verify the adequacy of including a regular prenatal BV investigation. Methods:a total of 217 women between 28 and 32 weeks of pregnancy (35 with BV and 182 without BV) were studied. The diagnosis of BV was established according to Amsel's criteria. The data were analyzed by the chi² test, Fisher's test, Mann-Whitney test and the relative risk. Results:the incidence of preterm labor, preterm birth, PROM and low birth-weight was statistically higher in the group of women with BV than in the control group (29.4% vs. 3.8%; 28.6% vs. 3.3%; 22.9% vs. 10.4%; 20.0% vs. 3.3%; respectively). The means of gestational age and birth-weight were significantly lower in the newborns from mothers with BV (265.8 days vs. 279.9 days; 2,958 g vs. 3,294 g, respectively). Conclusion:all perinatal complications studied were significantly associated with the presence of untreated BV during pregnancy. Therefore, the diagnosis and adequate treatment should be included in the routine prenatal assistance at Brazilian Obstetrics Services. Such measure may be effective in the reduction of these perinatal complications.
Summary
Rev Bras Ginecol Obstet. 1998;20(8):437-441
DOI 10.1590/S0100-72031998000800002
Purpose:to compare the incidence of preterm labor and birth, premature rupture of membranes (PROM) and low birth-weight newborns (< 2,500 g) between two groups of pregnant women (with or without BV). To verify the adequacy of including a regular prenatal BV investigation. Methods:a total of 217 women between 28 and 32 weeks of pregnancy (35 with BV and 182 without BV) were studied. The diagnosis of BV was established according to Amsel's criteria. The data were analyzed by the chi² test, Fisher's test, Mann-Whitney test and the relative risk. Results:the incidence of preterm labor, preterm birth, PROM and low birth-weight was statistically higher in the group of women with BV than in the control group (29.4% vs. 3.8%; 28.6% vs. 3.3%; 22.9% vs. 10.4%; 20.0% vs. 3.3%; respectively). The means of gestational age and birth-weight were significantly lower in the newborns from mothers with BV (265.8 days vs. 279.9 days; 2,958 g vs. 3,294 g, respectively). Conclusion:all perinatal complications studied were significantly associated with the presence of untreated BV during pregnancy. Therefore, the diagnosis and adequate treatment should be included in the routine prenatal assistance at Brazilian Obstetrics Services. Such measure may be effective in the reduction of these perinatal complications.
Summary
Rev Bras Ginecol Obstet. 2008;30(11):544-549
DOI 10.1590/S0100-72032008001100003
PURPOSE: to compare the efficacy of tinidazole and cephazolin on the febrile and infectious morbidity of post vaginal and abdominal hysterectomy antibiotic prophylaxis. METHODS: randomized clinical study, where women admitted to hospital for hysterectomy were randomly allocated in one of the following antibiotic prophylaxis groups: Group C (2 g of IV cephazolin in the anesthetic induction); Group T (2 g of tinidazole orally, 12 hours before the surgery); or Group C+T (2 g of tinidazole orally 12 hours before the surgery and 2g of IV cephazolin in the anesthetic induction). Cervicovaginal smears were collected for specific cultures and the diagnosis of bacterial vaginosis (BV) was based in Amsel and Nugent's criteria. The patients were reevaluated 7 and 30 days after the surgery for signs of febrile and/or infectious morbidity. The χ2 or the Fisher's exact test was used to assess differences among the three groups, with a significance level of 5%. The sample power (1-β) was calculated through the SAS program. RESULTS: seven days after the hysterectomy, infectious morbidity was diagnosed in 6.6% of the women, but with no significant difference among the three groups studied (p=0.12). There was no febrile or infectious morbidity at the immediate post-surgical period or after 30 days from the surgery. BV ratio at the pre-surgical period was significantly higher among the women submitted to vaginal hysterectomy, rather than among the ones submitted to abdominal hysterectomy (27 versus 7%, p=0.02). BV ratio was also higher after 30 days, among the women submitted to vaginal hysterectomy (20 versus 8%), though without statistical significance (p=0.19). CONCLUSIONS: the use of tinidazole, isolated or associated with cephazolin has not presented higher efficacy, than the use of cephazolin, alone to prevent febrile or infectious morbidity post hysterectomy. The high ratio of BV at the immediate pre-surgery period among the women submitted to vaginal hysterectomy suggests that this infection must be better investigated and properly treated before the surgery.
Summary
Rev Bras Ginecol Obstet. 2008;30(11):544-549
DOI 10.1590/S0100-72032008001100003
PURPOSE: to compare the efficacy of tinidazole and cephazolin on the febrile and infectious morbidity of post vaginal and abdominal hysterectomy antibiotic prophylaxis. METHODS: randomized clinical study, where women admitted to hospital for hysterectomy were randomly allocated in one of the following antibiotic prophylaxis groups: Group C (2 g of IV cephazolin in the anesthetic induction); Group T (2 g of tinidazole orally, 12 hours before the surgery); or Group C+T (2 g of tinidazole orally 12 hours before the surgery and 2g of IV cephazolin in the anesthetic induction). Cervicovaginal smears were collected for specific cultures and the diagnosis of bacterial vaginosis (BV) was based in Amsel and Nugent's criteria. The patients were reevaluated 7 and 30 days after the surgery for signs of febrile and/or infectious morbidity. The χ2 or the Fisher's exact test was used to assess differences among the three groups, with a significance level of 5%. The sample power (1-β) was calculated through the SAS program. RESULTS: seven days after the hysterectomy, infectious morbidity was diagnosed in 6.6% of the women, but with no significant difference among the three groups studied (p=0.12). There was no febrile or infectious morbidity at the immediate post-surgical period or after 30 days from the surgery. BV ratio at the pre-surgical period was significantly higher among the women submitted to vaginal hysterectomy, rather than among the ones submitted to abdominal hysterectomy (27 versus 7%, p=0.02). BV ratio was also higher after 30 days, among the women submitted to vaginal hysterectomy (20 versus 8%), though without statistical significance (p=0.19). CONCLUSIONS: the use of tinidazole, isolated or associated with cephazolin has not presented higher efficacy, than the use of cephazolin, alone to prevent febrile or infectious morbidity post hysterectomy. The high ratio of BV at the immediate pre-surgery period among the women submitted to vaginal hysterectomy suggests that this infection must be better investigated and properly treated before the surgery.
Summary
Rev Bras Ginecol Obstet. 2005;27(11):672-676
DOI 10.1590/S0100-72032005001100007
PURPOSE: to evaluate the influence of vaginal environment of pregnant women on group B streptococcus (GBS) survival after 8, 24 e 48 h in Amies and Stuart transport media. METHODS: Three vaginal samples were collected from 30 pregnant women attending the Prenatal Care Outpatient Clinic of the Centro de Atenção Integral à Saúde da Mulher (CAISM), Universidade Estadual de Campinas (UNICAMP). The first sample was placed directly onto Todd-Hewitt selective medium; the second was used to perform a gram-stained microscopy, and the third swab was placed in 2 mL physiological saline to which 200 µL of a suspension with 1-2 x 10(8) colony-forming units of GBS was added. After homogenization, six swabs were collected from this suspension (3 from Amie medium and 3 from Stuart medium). These six swabs were kept at room temperature for 8, 24 and 48 h and then incubated on blood agar. Bacterial growth at 37ºC was observed after a 24-h incubation period and it was semiquantitatively graded (0-3+) according to the number of colonies. Statistical analysis was performed by the exact Fisher test and the level of significance was set at 0.05. RESULTS: the recovery of GBS after 48-h storage in Amie and Stuart media was 97 e 87%, respectively. In one of the four cases where no GBS recovery was possible after 48 h of storage, vaginal pH was higher than 4.5, and in two of those cases cytolytic vaginosis was found. CONCLUSIONS: both transport media showed to be appropriate for GBS recovery up to 48 h after sampling. Characteristics of the vaginal enviroment did not influence GBS recovery as observed in this study.
Summary
Rev Bras Ginecol Obstet. 2005;27(11):672-676
DOI 10.1590/S0100-72032005001100007
PURPOSE: to evaluate the influence of vaginal environment of pregnant women on group B streptococcus (GBS) survival after 8, 24 e 48 h in Amies and Stuart transport media. METHODS: Three vaginal samples were collected from 30 pregnant women attending the Prenatal Care Outpatient Clinic of the Centro de Atenção Integral à Saúde da Mulher (CAISM), Universidade Estadual de Campinas (UNICAMP). The first sample was placed directly onto Todd-Hewitt selective medium; the second was used to perform a gram-stained microscopy, and the third swab was placed in 2 mL physiological saline to which 200 µL of a suspension with 1-2 x 10(8) colony-forming units of GBS was added. After homogenization, six swabs were collected from this suspension (3 from Amie medium and 3 from Stuart medium). These six swabs were kept at room temperature for 8, 24 and 48 h and then incubated on blood agar. Bacterial growth at 37ºC was observed after a 24-h incubation period and it was semiquantitatively graded (0-3+) according to the number of colonies. Statistical analysis was performed by the exact Fisher test and the level of significance was set at 0.05. RESULTS: the recovery of GBS after 48-h storage in Amie and Stuart media was 97 e 87%, respectively. In one of the four cases where no GBS recovery was possible after 48 h of storage, vaginal pH was higher than 4.5, and in two of those cases cytolytic vaginosis was found. CONCLUSIONS: both transport media showed to be appropriate for GBS recovery up to 48 h after sampling. Characteristics of the vaginal enviroment did not influence GBS recovery as observed in this study.
Summary
Rev Bras Ginecol Obstet. 2004;26(9):721-725
DOI 10.1590/S0100-72032004000900008
PURPOSE: to analyze the association between bacterial vaginosis (BV), high-risk HPV DNA, and Pap smear abnormalities in women submitted to diathermic conization for the treatment of high-grade cervical intraepithelial neoplasia (CIN 2 or 3). METHODS: a descriptive clinical study with 81 women submitted to diathermic conization for the treatment of CIN 2 or 3. Initial Pap smear was performed by the time of the biopsy and was also used to verify the presence of BV. Prior to conization, samples for the detection of high-risk HPV DNA through hybrid capture II (HC II) were collected. A control visit was scheduled for four months after the conization to repeat these tests. Twenty-seven women were found to have BV and 54 were not. Statistical analysis comprised odds ratios (OR) to assess the correlations between BV and HPV detection before and after diathermic conization and cytological abnormalities. All analyses were performed with a 95% confidence interval (95% CI). RESULTS: high-risk HPV DNA detection before conization was identical in both groups (89%). After conization, HPV DNA detection decreased to 26 and 18% in the groups with and without BV, respectively (OR=1.5; 95% CI 0.5 to 4.6). In addition, 41% of the women with BV and 20% without BV showed Pap smear abnormalities (OR=2.7; 95% CI 1.0 to 7.4). Regarding these 22 women with Pap smear abnormalities approximately four months after the diathermic conization, 83% of the BV group tested positive for HPV DNA compared with 50% in the group without BV (OR=5.0; IC 95% 0.5 a 52.9). CONCLUSION: women with BV presented more Pap smear abnormalities after conization when compared to the women without BV, although this was not statistically significant. This association was not related to high-risk HPV DNA.
Summary
Rev Bras Ginecol Obstet. 2004;26(9):721-725
DOI 10.1590/S0100-72032004000900008
PURPOSE: to analyze the association between bacterial vaginosis (BV), high-risk HPV DNA, and Pap smear abnormalities in women submitted to diathermic conization for the treatment of high-grade cervical intraepithelial neoplasia (CIN 2 or 3). METHODS: a descriptive clinical study with 81 women submitted to diathermic conization for the treatment of CIN 2 or 3. Initial Pap smear was performed by the time of the biopsy and was also used to verify the presence of BV. Prior to conization, samples for the detection of high-risk HPV DNA through hybrid capture II (HC II) were collected. A control visit was scheduled for four months after the conization to repeat these tests. Twenty-seven women were found to have BV and 54 were not. Statistical analysis comprised odds ratios (OR) to assess the correlations between BV and HPV detection before and after diathermic conization and cytological abnormalities. All analyses were performed with a 95% confidence interval (95% CI). RESULTS: high-risk HPV DNA detection before conization was identical in both groups (89%). After conization, HPV DNA detection decreased to 26 and 18% in the groups with and without BV, respectively (OR=1.5; 95% CI 0.5 to 4.6). In addition, 41% of the women with BV and 20% without BV showed Pap smear abnormalities (OR=2.7; 95% CI 1.0 to 7.4). Regarding these 22 women with Pap smear abnormalities approximately four months after the diathermic conization, 83% of the BV group tested positive for HPV DNA compared with 50% in the group without BV (OR=5.0; IC 95% 0.5 a 52.9). CONCLUSION: women with BV presented more Pap smear abnormalities after conization when compared to the women without BV, although this was not statistically significant. This association was not related to high-risk HPV DNA.