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1.
Climacteric ; 23(1): 75-83, 2020 02.
Artigo em Inglês | MEDLINE | ID: mdl-31257934

RESUMO

Objective: The objective of this study was to evaluate the action of soy isoflavones (ISO) and 17ß-estradiol on collagen I (CollI) and sulfated glycosaminoglycans (GAGs) in the bone matrix of diabetic rats.Methods: Sixty adult female rats (Rattus norvegicus albinus) underwent ovariectomy, and then were randomized into six groups of 10 animals each: GI, sham control ovariectomized animals; GII, sham control diabetic (DM) ovariectomized animals; GIII, control ovariectomized animals receiving propylene glycol vehicle; GIV, control ovariectomized DM animals receiving propylene glycol vehicle; GV, ovariectomized DM animals treated with ISO (150 mg/kg by gavage); and GVI, ovariectomized DM animals treated with estrogen (17ß-estradiol, 10 mg/kg, subcutaneously). 17ß-Estradiol was used as a positive control when compared with ISO. To obtain significant depletion of the estrogen levels and subsequent bone loss, a postsurgical period of 90 days was observed. Treatments occurred during 30 consecutive days. After euthanasia, shafts of the animals' femurs were immersed in liquid nitrogen for molecular biology analysis, and the distal femurs were removed and processed for paraffin embedding.Results: ISO (GV) and 17ß-estradiol (GVI) improved bone formation, increasing GAGs and CollI formation when compared to the control group (GIV) (p < 0.05).Conclusions: ISO and 17ß-estradiol contribute to the decrease of bone loss in diabetic rats.


Assuntos
Osso e Ossos/metabolismo , Estradiol/farmacologia , Estrogênios/farmacologia , Isoflavonas/química , Animais , Colágeno Tipo I/análise , Diabetes Mellitus Experimental , Diabetes Mellitus Tipo 1/metabolismo , Estradiol/metabolismo , Estrogênios/metabolismo , Feminino , Glicosaminoglicanos/análise , Humanos , Isoflavonas/metabolismo , Ovariectomia , Pós-Menopausa , Distribuição Aleatória , Ratos
2.
Cytokine ; 89: 229-234, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-26817396

RESUMO

Endometriosis is a gynecological benign chronic disease defined as the growth of endometrial glands and stroma in extra-uterine sites, most commonly implanted over visceral and peritoneal surfaces within the female pelvis causing inflammatory lesions. It affects around 10% of the female population and is often accompanied by chronic pelvic pain, adhesion formation and infertility. Therefore, endometriosis could be considered a "social disease", since it affects the quality of life, reproductivity and also has a socio-economic impact. The expression of cell cycle and inflammatory proteins is modified in the endometriotic tissues. Immunostaining of glandular and stromal cells in endometrial biopsies obtained from patients with endometriosis compared with those of healthy control demonstrated that endometriotic tissues have lower levels of p27kip1 protein. Endometriosis endometrial cells cultures have also lower levels of p27kip1 compared to health endometrial cells cultures and restore the cell cycle balance when transduced with an adenoviral vector carring the p27kip1 coding gene (Adp27EGFP). The low levels of p27kip1 are related to the S phase in the cell cycle, whereas higher levels lead to a G1 cell cycle arrest. The inflammatory cytokine IL-1ß was recently identified as another key protein in the endometriosis proliferation. This cytokine has elevated levels during the proliferative and secretory phases of the menstrual cycle. In endometriosis endometrial cells cultures the IL-1ß stimulates the production of IL-6 and IL-8, increasing the cell proliferation and reducing the apoptosis and Bax expression in these cells. According to these remarks, this work aims to evaluate the inflammatory effects in vitro, but more next to what happens in a woman's body, associating endometrial cells with stem cells, thus mimicking the endometrial microenvironment, with gene therapy using Adp27, notoriously known as controller cell cycle, apoptosis and potent modulator of VEGF expression.


Assuntos
Inibidor de Quinase Dependente de Ciclina p27/biossíntese , Endometriose/metabolismo , Endométrio/metabolismo , Pontos de Checagem da Fase G1 do Ciclo Celular , Interleucina-1beta/metabolismo , Fase S , Nicho de Células-Tronco , Adulto , Técnicas de Cocultura , Inibidor de Quinase Dependente de Ciclina p27/genética , Endometriose/genética , Endometriose/terapia , Endométrio/patologia , Feminino , Humanos , Interleucina-1beta/genética , Transdução Genética
3.
Apoptosis ; 20(3): 327-35, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25534318

RESUMO

We hypothesized that p27(kip1) overexpression can regulate endometriosis cell proliferation, apoptosis and vascular endothelial growth factor (VEGF) expression in the endometrium. The overexpression of p27(kip1) was obtained by transduction of p27(kip1) in primary cultures of endometrium obtained from women with endometriosis tissue with gene therapy technology. First generation bicistronic adenovirus: AdCMVhp27IRESEGFP (Adp27) and AdCMVNull (AdNull) were engineered in order to induce p27(kip1) expression in endometrial cells primary culture. The effect of p27(kip1) overexpression was elucidated through the cell proliferation evaluation and the expression of the cell cycle-related proteins p16, p21, p27, and p53. Cell cycle and apoptosis in endometrial cells from women with and without endometriosis were also evaluated. The VEGF levels were evaluated 1 and 7 days after transduction. The experiments were performed using Immunofluorescence stainings and flow cytometry technique. The cell proliferation statistically diminished markedly following p27(kip1) overexpression in the endometriosis group. This process was accompanied, however, by a statistically significant modulation of the cell cycle-related proteins p16, p21, p27 and p53 markedly increase following p27(kip1) overexpression in the endometriosis group (p < 0.001) and an increase in apoptotic cells was observed. In the endometriosis group, significant downregulation of VEGF expression was observed 7 days after p27(kip1) overexpression, attaining levels strikingly similar to those observed in the control endometrial cells. The findings of this study showed a link between the cell cycle control protein (p27(kip1)) and angiogenesis (VEGF). Our results, also reinforces the background of endometrial dysfunction as part of the origin of endometriosis. We believe that better knowledge of endometrium milieu and the establishment of the link between different, previously describe, altered pathways in this tissue can facilitate future genetic cell therapy.


Assuntos
Inibidor de Quinase Dependente de Ciclina p27/metabolismo , Endometriose/genética , Endométrio/metabolismo , Células Estromais/metabolismo , Fator A de Crescimento do Endotélio Vascular/metabolismo , Adenoviridae/genética , Adulto , Apoptose/genética , Proliferação de Células , Inibidor p16 de Quinase Dependente de Ciclina , Inibidor de Quinase Dependente de Ciclina p21/genética , Inibidor de Quinase Dependente de Ciclina p21/metabolismo , Inibidor de Quinase Dependente de Ciclina p27/genética , Endometriose/metabolismo , Endometriose/patologia , Endométrio/patologia , Feminino , Regulação da Expressão Gênica , Vetores Genéticos , Humanos , Laparoscopia , Proteínas de Neoplasias/genética , Proteínas de Neoplasias/metabolismo , Dor Pélvica/genética , Dor Pélvica/metabolismo , Dor Pélvica/patologia , Cultura Primária de Células , Transdução de Sinais , Células Estromais/patologia , Transgenes , Proteína Supressora de Tumor p53/genética , Proteína Supressora de Tumor p53/metabolismo , Fator A de Crescimento do Endotélio Vascular/genética
4.
Transfus Med ; 21(6): 408-16, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-21895809

RESUMO

BACKGROUND: The performance of a bacterial 16S ribosomal DNA real-time polymerase chain reaction (PCR) assay was evaluated and validated with an automated culture system to determine its use for screening of platelet concentrates (PCs). STUDY DESIGN AND METHODS: PCs were spiked with suspensions of Escherichia coli, Serratia marcescens, Staphylococcus epidermidis and St. aureus at 1, 10, and 100 colony-forming units (CFUs) mL and stored for 5 days. DNA amplification was performed using real-time PCR. The BacT/ALERT was used as a reference method and samples were inoculated into an aerobic culture bottle; for the PCR assay, aliquots were drawn from all (spiked) PCs on days 0 to 5 of storage. RESULTS: Real-time PCR detected only the gram-positive bacteria in PCs spiked with low bacterial titres (1 CFU mL) after 48 h; however, it was able to detect all positive samples in PCs spiked with 10 CFU mL of either gram-positive or gram-negative bacteria after 48 h. In addition, real-time PCR detected all positive samples in PCs spiked with high gram-positive bacterial titres (100 CFU mL) after 24 h. On the other hand, the BacT/ALERT system showed positive results in all samples within 24 h. CONCLUSION: The BacT/ALERT method is more sensitive and should continue to be the gold standard for identifying bacterial contaminations in blood samples. The real-time PCR approach can be used for the screening of PCs for microbial detection before they are released from blood centres or shortly before they are used in blood transfusion, and thus allow an extended shelf life of the platelets.


Assuntos
Bactérias/isolamento & purificação , Plaquetas/microbiologia , Reação em Cadeia da Polimerase/métodos , Bactérias/genética , Bactérias Gram-Negativas , Bactérias Gram-Positivas , Humanos , RNA Ribossômico 16S , Células-Tronco , Fatores de Tempo
5.
Clin Exp Obstet Gynecol ; 38(2): 188-9, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21793290

RESUMO

OBJECTIVE: To describe the outcomes after uterine artery embolization treatment of leiomyoma. DESIGN: Case report. SETTING: Department of Gynecology - Federal University of São Paulo. PATIENT: a 34-year-old woman with a diagnosis of leiomyoma for two years. INTERVENTION: embolization of uterine arteries with 500 to 700-microm diameter polyvinyl alcohol particles. MAIN OUTCOME MEASURE: pregnancy and delivery. RESULTS: After embolization, the follow-up revealed a good clinical response with significant reduction in uterus and leiomyoma volume. Also, the patient became spontaneously pregnant, but the delivery was cesarean section due to placenta accreta.. CONCLUSION: Regardless of arterial embolization results for controlling uterine bleeding, this procedure might have some consequences on pregnancy outcome.


Assuntos
Leiomioma/terapia , Complicações Neoplásicas na Gravidez/terapia , Embolização da Artéria Uterina/métodos , Neoplasias Uterinas/terapia , Útero/patologia , Adulto , Feminino , Humanos , Leiomioma/irrigação sanguínea , Gravidez , Resultado do Tratamento , Neoplasias Uterinas/irrigação sanguínea , Útero/irrigação sanguínea
6.
Eur J Gynaecol Oncol ; 30(2): 142-4, 2009.
Artigo em Inglês | MEDLINE | ID: mdl-19480241

RESUMO

OBJECTIVE: Apoptosis is an important fail-safe control in human papillomavirus (HPV)-associated carcinogenesis. We tested the hypothesis that the A/G polymorphism at -670 of Fas promoter is associated with an increased risk for cervical cancer, using a matched case-control setting. METHODS: The material in this case-control study consisted of 91 patients with cervical carcinoma and 176 population-based control subjects, recruited between 2002 and 2004; all the ethnic Brazilian women had histologically confirmed cervical carcinoma. Control subjects were age-matched; healthy women who were selected following a negative cervical cytology and normal colposcopy. Fas genotyping was performed using a PCR-RFLP technique. RESULTS: No significant difference existed in the distribution of the Fas polymorphisms (wild, heterozygous, mutant) between the cases and controls. The heterozygous (OR: 4.85, 95% CI: 1.1-22.6) genotypes among the younger (< 48 yrs) cancer patients were almost 5-fold increased, as compared with the wild type. No such increase was observed among the patients older than 48 years. CONCLUSIONS: Our data suggest that 670A/G polymorphism in the promoter region of the death receptor Fas is associated with an increased risk of cervical cancer among Brazilian women under 48 years. The mechanisms would be the inhibition of apoptosis by Fas -670G allele-mediated down-regulation of Fas transcription.


Assuntos
Polimorfismo Genético , Regiões Promotoras Genéticas/genética , Neoplasias do Colo do Útero/genética , Receptor fas/genética , Adulto , Apoptose , Feminino , Frequência do Gene , Predisposição Genética para Doença , Humanos , Pessoa de Meia-Idade , Receptores de Morte Celular/genética
7.
Maturitas ; 61(3): 243-7, 2008 Nov 20.
Artigo em Inglês | MEDLINE | ID: mdl-18845407

RESUMO

UNLABELLED: Lack of estrogen affects the urinary tract mainly by diminishing vascular, muscular and epithelial trophism, resulting in negative effects on continence in postmenopausal women. Therefore, the use of estrogens in these patients may revert these alterations and lead to an expressive improvement of the urinary symptoms. OBJECTIVE: Study the effect of topical estrogen therapy (conjugated equine estrogens, estriol or promestriene) in periurethral vessels detected by Dopplervelocimetric analysis using, as parameters: the number of vessels, resistance and pulsatility indexes, as well as the minimum diastolic value. METHODS: Forty-one postmenopausal women with stress urinary incontinence were randomized into three groups according to different types of topical estrogen received during 3 months. Group 1 received conjugated equine estrogens, group 2 received estriol and group 3 received promestriene. Periurethral Dopplervelocimetry analysis was done before estrogen administration and during treatment in all groups. RESULTS: We observed an increase in the number of the periurethral vessels in group 1 and group 2, being higher in group 1 than in group 2. The pulsatility index remained unchanged in all three groups. The resistance index at the periurethral vessels reduced only at the conjugated estrogen group (group 1). In this same group we noticed an increase in the mean minimal diastolic value, meaning a better periurethral vascularization. CONCLUSION: Topical conjugated equine estrogens and estriol were effective in increasing the number of periurethral vessels in postmenopausal women with urinary stress incontinence, with the conjugated equine estrogens being the most effective intervention studied.


Assuntos
Estradiol/análogos & derivados , Estriol/administração & dosagem , Estrogênios Conjugados (USP)/administração & dosagem , Uretra/irrigação sanguínea , Incontinência Urinária por Estresse/tratamento farmacológico , Administração Intravaginal , Idoso , Estradiol/administração & dosagem , Terapia de Reposição de Estrogênios/métodos , Feminino , Humanos , Fluxometria por Laser-Doppler/métodos , Pessoa de Meia-Idade , Pós-Menopausa , Estatísticas não Paramétricas , Ultrassonografia , Uretra/diagnóstico por imagem , Uretra/efeitos dos fármacos , Incontinência Urinária por Estresse/diagnóstico por imagem
8.
Int Urogynecol J Pelvic Floor Dysfunct ; 19(3): 375-80, 2008 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-17846702

RESUMO

The aim of this study was the comparison of the stiffness of different meshes under two types of mechanical tests. Five different mesh types were mechanically tested. The methods used consisted on uniaxial tension test (tensile stiffness) and tape ring tests, experimental continuous compression of the mesh loops (flexural stiffness). The most significant difference of tensile stiffness behaviour appears between Aris and TVTO. From the analysis of the experimental data, we divided the flexural stiffness, in two main groups. The first group includes Auto Suture and Aris meshes. The two meshes seem to have a similar flexural behaviour. The second group includes TVTO, Uretex and Avaulta. The difference between these two groups is clearly evident comparing TVTO and Aris. This study shows that there are significant differences on the mechanical properties between urogynecology meshes.


Assuntos
Teste de Materiais/métodos , Diafragma da Pelve/cirurgia , Polipropilenos/química , Slings Suburetrais , Telas Cirúrgicas , Incontinência Urinária/cirurgia , Elasticidade , Feminino , Humanos , Reprodutibilidade dos Testes , Estresse Mecânico
9.
Int Urogynecol J Pelvic Floor Dysfunct ; 18(12): 1453-8, 2007 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-17393052

RESUMO

This study aims to evaluate the urethral nerve fibers of adult female rats during pregnancy and after vaginal birth, cesarean section or simulated birth trauma. For immunohistochemical analysis of nerve fibers, 70 female rats were distributed in seven groups of ten female rats: group 1, control; group 2, pregnant; group 3, cesarean section; group 4, vaginal birth; group 5, virgin female rats with simulated birth trauma; group 6, cesarean section followed by simulation of birth trauma; and group 7, vaginal birth followed by simulation of birth trauma. The number of nerve fibers in groups 1, 2, and 3 were significantly higher than the other groups. Pregnancy and cesarean section did not cause alterations in the nerve fibers number. Vaginal birth and simulated birth trauma significantly decreased the number of nerve fibers in the female rats' middle urethra.


Assuntos
Fibras Nervosas/fisiologia , Parto , Uretra/inervação , Animais , Feminino , Gravidez , Ratos , Uretra/citologia
10.
Maturitas ; 56(3): 297-302, 2007 Mar 20.
Artigo em Inglês | MEDLINE | ID: mdl-17092664

RESUMO

UNLABELLED: The lack of estrogen affects the urinary tract mainly by diminishing vascular, muscular and epithelial trophism, resulting in negative effects on continence in postmenopausal women. OBJECTIVE: Study the effect of hormone therapy (estrogen and progesterone) in periurethral vessels detected by Doppler velocimetric analysis using, as parameters, the number of vessels, resistance and pulsatility indexes, as well as the minimum diastolic value. METHODS: Thirty-eight postmenopausal women with stress urinary incontinence were randomized into two groups. The first consisted of women receiving 3 months of estrogen therapy previous to 3 months of continuous estrogen and progesterone combined therapy. The second comprised of women receiving 3 months of continuous estrogen and progesterone therapy. Periurethral Doppler velocimetric analysis was done before hormone administration and during treatment in both groups. RESULTS: We observed a statistically significant increased number of periurethral vessels during treatment in both groups. There was an increase in value of the mean minimum diastolic value during estrogen and progesterone therapy in Group 2. The resistance indexes diminished in both groups. However, they were not statistically significant. CONCLUSION: Hormonal therapy of short duration (3-6 months) had a positive effect on the urethral continence mechanism increasing the number of periurethral vessels either with estrogen alone or combined therapy (estrogen and progesterone).


Assuntos
Vasos Sanguíneos/fisiopatologia , Terapia de Reposição Hormonal , Pós-Menopausa/fisiologia , Uretra/irrigação sanguínea , Incontinência Urinária por Estresse/fisiopatologia , Adulto , Idoso , Quimioterapia Combinada , Estrogênios/uso terapêutico , Feminino , Humanos , Fluxometria por Laser-Doppler , Pessoa de Meia-Idade , Progesterona/uso terapêutico , Ultrassonografia , Uretra/diagnóstico por imagem , Uretra/fisiopatologia , Incontinência Urinária por Estresse/tratamento farmacológico , Resistência Vascular/fisiologia
11.
Int Urogynecol J Pelvic Floor Dysfunct ; 18(6): 645-51, 2007 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-17043741

RESUMO

The aim of this study was to evaluate the modifications in the amount of collagen, muscular, and elastic fibers in the mid-urethra of adult female rats during the pregnancy and after the natural childbirth, cesarean, and after simulated trauma of childbirth. The authors evaluated the histomorphometric aspects (collagen, muscular, and elastic fibers) in the mid-urethra of 70 animals distributed in seven groups: group 1 (n = 10)--control, group 2 (n = 10)--pregnant female rats, group 3 (n = 10)--female rats submitted to cesarean, group 4 (n = 10)--female rats with natural childbirth, group 5 (n = 10)--virgin female rats with simulated trauma of childbirth, group 6 (n = 10)--female rats submitted to cesarean followed by simulation of childbirth trauma, and group 7 (n = 10)--female rats with natural childbirth followed by simulation of childbirth trauma. The average concentration of collagen and elastic fibers and the collagen/muscular fiber correlation in groups 1, 2, and 3 were similar and significantly inferior to groups 4, 5, 6, and 7. The average of muscular fibers was similar in groups 1, 2, and 3 and significantly superior to groups 4, 5, 6, and 7. Pregnancy and cesarean did not induce alterations in collagen, muscular, and elastic fibers. However, the vaginal delivery and simulation of childbirth trauma determined the decrease in muscular fibers and the increase in collagen and elastic fibers and the correlation collagen/muscular fiber.


Assuntos
Cesárea/efeitos adversos , Parto Normal/efeitos adversos , Uretra/lesões , Animais , Colágeno/metabolismo , Modelos Animais de Doenças , Tecido Elástico/anatomia & histologia , Tecido Elástico/patologia , Feminino , Músculos/anatomia & histologia , Músculos/patologia , Período Pós-Parto/fisiologia , Gravidez , Complicações na Gravidez/patologia , Ratos , Uretra/patologia
12.
Clin Exp Obstet Gynecol ; 33(4): 233-7, 2006.
Artigo em Inglês | MEDLINE | ID: mdl-17211973

RESUMO

INTRODUCTION: The objective of this study was to evaluate the effect of tibolone on cytochrome oxidase I (COX I), beta-2-microglobulin (B2M) and vascular endothelial growth factor (VEGF) gene expression in the lower urinary tract of castrated rats. These genes are related to cell energy, cellular immunity and vascularization processes. METHODS: Fifty adult castrated rats remained at rest for 28 days. Thereafter they were randomly divided into two groups of 25 animals each. The lower urinary tract (bladder and urethra) was extracted in animals of one group and the other group received tibolone at a dose of 0.25 microg/animal/day for another 28 days followed by removal of the lower urinary tract. Total RNA was extracted from animals of both groups, forming two pools. After RT-PCR (reverse transcriptase polymerase chain reaction), expression of COX I, B2M and VEGF genes was evaluated by agarose gel electrophoresis, visualized by UV illumination. RESULTS: Expression of the three genes (COX I, B2M and VEGF) was greater in the group treated with tibolone. CONCLUSION: The use of tibolone increases the expression of COX, B2M and VEGF genes in the lower urinary tract as compared with that in castrated rats.


Assuntos
Complexo IV da Cadeia de Transporte de Elétrons/efeitos dos fármacos , Moduladores de Receptor Estrogênico/farmacologia , Norpregnenos/farmacologia , Sistema Urinário/efeitos dos fármacos , Fator A de Crescimento do Endotélio Vascular/efeitos dos fármacos , Microglobulina beta-2/efeitos dos fármacos , Animais , Castração , Expressão Gênica/efeitos dos fármacos , Ratos , Ratos Wistar
13.
Clin Exp Obstet Gynecol ; 31(3): 194-6, 2004.
Artigo em Inglês | MEDLINE | ID: mdl-15491062

RESUMO

The following study improves the effectiveness of pelvic floor exercise in women with stress urinary incontinence. A group of 27 women with stress urinary incontinence performed specific pelvic floor exercises twice a week for 45 minutes under a therapist's supervision for a period of 12 weeks. This group had urodynamic and urethral pressure profile studies and filled in a daily diary. The patients self-evaluated their symptoms. After the therapy, the urodynamic and urethreal pressure profile studies were repeated and the results were: 66.7% patients were self-evaluated as cured; 14.8% improved and 18.5% unchanged. The urodynamic results showed that 48.2 % of the patients did not have urinary loss, however, 51,8% of the patients that had a loss showed an increase in vesicle volume, and only 7.3% remained unchanged. The results show that pelvic floor exercises are an effective and low cost treatment for stress urinary incontinence rehabilitation.


Assuntos
Terapia por Exercício , Diafragma da Pelve/fisiopatologia , Incontinência Urinária por Estresse/terapia , Urodinâmica/fisiologia , Adulto , Idoso , Feminino , Humanos , Pessoa de Meia-Idade , Pressão , Resultado do Tratamento , Uretra/fisiopatologia , Incontinência Urinária por Estresse/fisiopatologia
14.
Clin Exp Obstet Gynecol ; 31(2): 120-2, 2004.
Artigo em Inglês | MEDLINE | ID: mdl-15266765

RESUMO

In this study, 91 primiparous women were selected, with a period of post-delivery variable from 45 to 60 days. These patients were divided according to the type of delivery into three groups: I--consisting of 32 patients who had vaginal delivery; II--comprised 29 patients who were subjected to forceps; III--formed by 30 women who were subjected to cesarean section. Patients with a previous pregnancy were not included, so that the possible previous alterations of the pelvic floor did not interfere with the present evaluation. Patients with a pre-term pregnancy, fetus below 2,500 g or above 4,000 g, anomalous presentations, twin pregnancy, diabetes mellitus, systhemic arterial hypertension, hypertensive disease specific of pregnancy, endocrinopathies and neuropathies were also excluded. After 45 to 60 days from delivery the patients were subjected to anamnesis, gynecological examination, functional evaluation of the pelvic floor (FEAF), Q-Tip test and ultrasound of the bladder neck. As for the functional evaluation of the pelvic floor, it was observed that the patients with cesarean section presented better indexes compared to those who were subjected to forceps. The Q-Tip test showed that in both the patients from group I and group II bladder neck mobility was greater than in those from group III. Concerning bladder neck topography in relation to public symphysis and its mobility, which were evaluated by ultrasound, it was observed that at rest all the groups had the neck in a supra-pubic position, with no differences among them. Yet, during the required strain, the bladder neck stayed in the infra-pubic position with major frequency in group I. Bladder neck mobility was greater in the vaginal delivery group in relation to the other groups. It was also noticed that the group undergoing cesarean section showed less mobility. The obtained results lead us to conclude that despite the fact that vaginal delivery may cause displacement of the urethro-vesical junction during strain, and consequently greater bladder neck mobility, it is the attending physician's role to minimize the damage to the pelvic floor, thus avoiding the emergence of a predisposing factor to future stress urinary incontinence.


Assuntos
Parto Obstétrico , Diafragma da Pelve/fisiologia , Bexiga Urinária/fisiologia , Incontinência Urinária por Estresse/fisiopatologia , Cesárea , Extração Obstétrica , Feminino , Humanos , Forceps Obstétrico , Paridade , Período Pós-Parto
15.
Clin Exp Obstet Gynecol ; 31(4): 274-8, 2004.
Artigo em Inglês | MEDLINE | ID: mdl-15672965

RESUMO

OBJECTIVE: Our study aimed at determining the effects of pelvic floor electrical stimulation assessed by the number of leakages per day recorded in a voiding diary over 90 days of treatment and urodynamic parameters. STUDY DESIGN: This prospective study was carried out with 34 patients presenting stress urinary incontinence who were treated and evaluated by voiding diaries and urodynamic tests. The primary outcome measure was the number of leakages during the 90 days of treatment. Urodynamic tests were performed before and after treatment. RESULTS: In our series, average and maximum flow rates and residual urine volume were within normal range in all subjects before and after treatment. Maximum urethral closure pressure and functional profile length on urethral pressure profiles did not change after treatment. In the cystometry, bladder capacities at the first (p < 0.0082) and maximum sensations (p < 0.01) improved significantly after treatment. During the 90 days of treatment, we observed a gradual drop in the number of leakages. This decrease began around day 22. It dropped in half around day 45, tending to zero close to day 90 of treatment (p < 0.01). CONCLUSIONS: The number of incontinent leakage dropped to half around the 8th week, and on average, there was a tendency of the patients to be cured after the 12th week of treatment. At urodynamic studies we observed a significant increase in bladder capacity at the first desire to void and in the maximum cystometric capacity.


Assuntos
Terapia por Estimulação Elétrica , Diafragma da Pelve/fisiopatologia , Incontinência Urinária por Estresse/terapia , Urodinâmica/fisiologia , Adulto , Feminino , Humanos , Pessoa de Meia-Idade , Pressão , Estudos Prospectivos , Resultado do Tratamento , Uretra/fisiopatologia , Bexiga Urinária/fisiopatologia , Incontinência Urinária por Estresse/fisiopatologia
16.
Clin Exp Obstet Gynecol ; 30(4): 220-2, 2003.
Artigo em Inglês | MEDLINE | ID: mdl-14664417

RESUMO

Detrusor instability is the second most frequent cause of female urinary incontinence. There are many therapeutic options, including non-invasive and surgical procedures. In this study, we evaluated the effects of pelvic floor vaginal electrostimulation using equipment designed in our institution, over three consecutive months, for treatment of 29 women with detrusor instability. After treatment 22 patients (76%) considered themselves cured or symptomatically improved; seven patients (24%) had no change in symptoms after therapy. There was objective cure and improvement in ten (34.5%) and in eight (27.5%) patients, respectively, and the urodynamic parameters did not change in 11 patients (38%). Electrical stimulation resulted in a gradual decrease in the number of urinary leakage episodes and increase in maximum cystometric capacity in first desire to void and in urinary volume.


Assuntos
Terapia por Estimulação Elétrica/métodos , Incontinência Urinária por Estresse/diagnóstico , Incontinência Urinária por Estresse/terapia , Urodinâmica , Adolescente , Adulto , Idoso , Estudos de Coortes , Feminino , Seguimentos , Humanos , Pessoa de Meia-Idade , Músculo Liso/fisiologia , Diafragma da Pelve , Estudos Prospectivos , Medição de Risco , Sensibilidade e Especificidade , Índice de Gravidade de Doença , Resultado do Tratamento
17.
Clin Exp Obstet Gynecol ; 30(2-3): 103-6, 2003.
Artigo em Inglês | MEDLINE | ID: mdl-12854853

RESUMO

OBJECTIVE: The purpose [corrected] of this study was to evaluate the effects of isolated cyclic estrogen therapy in menopausal women with stress urinary incontinence, and thus without the effects of progesterone. METHODS: Nineteen menopausal patients with stress urinary incontinence were selected and submitted to anamnesis and physical, gynecological and urodynamic examinations. The group was homogeneous in relation to parity, body mass index and degree of urogenital prolapse. All the patients received conjugated equine estrogens orally, at a dose of 0.625 mg, for 21 days each month. After three months the clinical and urodynamic evaluations in relation to urine loss, were performed again. RESULTS: Of the patients 57.9% were satisfied with the treatment. The urodynamic parameters remained unaltered in 36.85% of the patients. CONCLUSION: Our results show that estrogen is important for stress urinary incontinence in postmenopause, specially in patients without cystocele or with cystocele of degree I or II.


Assuntos
Estrogênios Conjugados (USP)/administração & dosagem , Pós-Menopausa , Incontinência Urinária por Estresse/fisiopatologia , Urodinâmica , Terapia de Reposição de Estrogênios , Resultado do Tratamento , Incontinência Urinária por Estresse/tratamento farmacológico
18.
Clin Exp Obstet Gynecol ; 30(2-3): 111-6, 2003.
Artigo em Inglês | MEDLINE | ID: mdl-12854856

RESUMO

OBJECTIVE: To evaluate the epithelial thickness, number of vessels, amount of collagen and muscular fibers of the bladder and urethra of castrated adult female rats during the time between castration and the beginning of the administration of synthetic conjugated estrogen. METHOD: 118 adult female rats were divided into four groups: Group I (n = 30): noncastrated female rats; group II (n = 30): female rats treated with synthetic conjugated estrogen in the dose of 50 microg/animal/day for 28 days, beginning immediately after castration; group III (n = 28): female rats treated with synthetic conjugated estrogen, 50 microg/animal/day for 28 days, beginning 30 days after castration: group IV (n = 30): female rats sacrificed after 30 days of castration. The histology of the bladder wall and the medium-third of the urethra wall were evaluated after flushing with hematoxylin-eosin and picrosirius for morphometric analysis. RESULTS: It was verified that the epithelial thickness in groups II and III were similar whereas in groups I, II and III the thickness of the bladder and also the urethra were larger than in group IV. Concerning the bladder groups I and II were similar. In group I the urethra was superior than in groups II and III. In relation to the number of vessels and muscular fibers, groups I, II and III were similar to each other and superior to group IV in the bladder and urethra. The amount of collagen was similar in groups I, II and III and inferior in group IV in the bladder and in the urethra. CONCLUSION: Independent of the time of estrogen administration (immediate or within 30 days) after castration, the thickness of the epithelium, the number of vessels, amount of collagen and muscular fibers were similar. The female rats with estrogen replacement presented significantly larger thickness of the epithelium, number of vessels and muscular fibers, and a smaller amount of collagen in the bladder and urethra in relation to the castrated group. Finally, estrogen therapy (immediate and 30 days after castration) reverted the effects of the estrogen deficiency in the vessels, collagen and muscular fibers, the bladder and of the urethra when compared to the group of castrated female rats, thus becoming similar to noncastrated animals.


Assuntos
Terapia de Reposição de Estrogênios , Ovariectomia , Uretra/anatomia & histologia , Bexiga Urinária/anatomia & histologia , Animais , Colágeno/análise , Epitélio/anatomia & histologia , Congêneres do Estradiol/administração & dosagem , Estrogênios Conjugados (USP)/administração & dosagem , Feminino , Músculo Liso/química , Ratos , Fatores de Tempo
19.
Int Urogynecol J Pelvic Floor Dysfunct ; 13(6): 342-5; discussion 345, 2002 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-12466902

RESUMO

Our objective was to compare the amount of collagen in parametrium and vaginal apex between women with uterine prolapse at pre- and postmenopause, and in women without prolapse. The study included 22 premenopausal women without prolapse (group A), 10 premenopausal women with prolapse (group B), and 23 postmenopausal women with prolapse (group C) (total 55). Patients in group A underwent abdominal hysterectomy for uterine leiomyoma, and patients in groups B and C underwent vaginal hysterectomy. During the surgical procedure we obtained biopsies from the lateral parametrium and vaginal apex. The tissue was stained for histological analysis with picrosirius. We observed a lower amount of collagen in the parametrium of women with uterine prolapse, both in menacme and in postmenopause, than in the parametrium of women without prolapse. We observed no statistically significant difference in vaginal apex between the groups.


Assuntos
Colágeno/análise , Ligamentos/química , Prolapso Uterino/fisiopatologia , Vagina/química , Adulto , Feminino , Humanos , Pessoa de Meia-Idade , Pós-Menopausa , Prolapso Uterino/cirurgia
20.
Clin Exp Obstet Gynecol ; 29(1): 27-30, 2002.
Artigo em Inglês | MEDLINE | ID: mdl-12013087

RESUMO

PURPOSE: To evaluate patients with uterine prolapse, before and after surgical treatment, using urodynamic and bladder neck ultrasound. MATERIAL AND METHODS: 33 postmenopausal patients with uterine prolapse were submitted to vaginal hysterectomy (Mayo-Ward technique) allied with Kelly-Kennedy surgery and perineal repair. The women were divided into three groups depending on the degree of prolapse. A urodynamic examination was performed before, after 30 days and in the third month after the operation. A bladder neck ultrasound was performed before and in the third month after the operation. RESULTS: In 23 women who lost urine preoperatively, 14 continued to show objective loss 90 days after the surgery. Ultrasound identified a significant elevation in the bladder neck during rest in groups I and II, but not in group III. There was a significant reduction in its mobility in all three groups. CONCLUSION: Kelly-Kennedy surgery does not have any indication, even in patients with urinary stress incontinence and a prolapsed uterus who are submitted to vaginal hysterectomy.


Assuntos
Procedimentos Cirúrgicos em Ginecologia , Histerectomia Vaginal , Períneo/cirurgia , Incontinência Urinária por Estresse/cirurgia , Prolapso Uterino/cirurgia , Feminino , Humanos , Pessoa de Meia-Idade , Incontinência Urinária por Estresse/complicações , Incontinência Urinária por Estresse/fisiopatologia , Urodinâmica , Prolapso Uterino/complicações
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