CONTEXT AND OBJECTIVE: Urinary incontinence is a public health problem that affects more than 200 million people worldwide. Stress incontinence is the most prevalent type. Pelvic floor muscle exercises have been used for treating it, although there is no consensus regarding their application. The aim of this study was to compare the results from treating female stress urinary incontinence with pelvic floor muscle exercises with or without physiotherapist supervision. DESIGN AND SETTING: This was a randomized, prospective, controlled trial in the Urogynecology and Vaginal Surgery Sector, Universidade Federal de São Paulo. METHODS: Forty-four women were randomized to be treated for stress urinary incontinence with pelvic floor exercises for three consecutive months, into two groups: one with and the other without physiotherapist supervision. They were evaluated before and after treatment using a quality-of-life questionnaire, pad test, micturition diary and subjective evaluation. Descriptive analysis was used to evaluate the population. The homogeneity of the two groups was evaluated using the Kruskal-Wallis and Chi-squared tests. The success of the two groups after treatment was evaluated using the Wilcoxon test. RESULTS: The supervised group showed statistically greater improvement in the pad test, micturition diary and quality of life than did the control group. In the subjective evaluation, only 23.8% of the control group patients were satised with their treatment. In the supervised group, 66.8% of patients did not want any other treatment. CONCLUSION: Supervised pelvic floor muscle exercises presented better results in objective and subjective evaluations than did unsupervised exercises.
RESUMOObjetivo: a proposta deste estudo foi traduzir e validar o King´s Health Questionnaire (KHQ) para mulheres brasileiras com incontinência urinária. Métodos: 134 pacientes com incontinência urinária, confirmada pelo estudo urodinâmico, foram recrutadas em ambulatório de Uroginecologia. Inicialmente, traduzimos o questionário KHQ para a língua portuguesa (do Brasil) de acordo com critérios internacionais. Devido às diferenças da língua, fizemos a adaptação cultural, estrutural, conceitual e semântica do KHQ, para que as pacientes compreendessem as questões. Todas as pacientes responderam duas vezes o KHQ, no mesmo dia, com dois entrevistadores distintos, com intervalo de 30 minutos de uma entrevista para a outra. Depois de 7 a 14 dias, a aplicação do questionário foi repetida numa segunda visita. Foram testadas a confiabilidade (consistência interna intra e inter-observador) e validade do constructo e discriminativa. Resultados: foram necessárias várias adaptações culturais até obtermos a versão final. A consistência interna intra-observador (alfa de Cronbach) das diversas dimensões oscilou de moderada a alta (0,77-0,90) e a consistência interna inter-observador oscilou de 0,66 a 0,94. Na validação do constructo, obtivemos correlação de moderada a forte entre os domínios específicos para incontinência urinária e manifestações clínicas que, sabidamente, afetam a qualidade de vida dessas pacientes. Conclusão: o KHQ foi adaptado ao idioma português e para a cultura brasileira, mostrando grande confiabilidade e validade, devendo ser incluído e utilizado em qualquer estudo brasileiro de incontinência urinária. PALAVRAS-CHAVE: Incontinência urinária; Qualidade de vida; Questionários; Saúde da mulher; ValidadeABSTRACT Purpose: the proposal of the present study was to translate and to validate King´s Health Questionnaire (KHQ) for Brazilian women with urinary incontinence. Methods: a hundred and thirty-four patients with urinary incontinence, confirmed by urodynamic study, were enrolled from the outpatient clinic of Uroginecology. Initially, we translated the KHQ into the Brazilian Portuguese language in agreement with international criteria. Due to language and cultural differences we performed a cultural, structural, conceptual, and semantic adaptation of the KHQ, in order to make sure that patients were able to fully understand the questions. All patients answered the KHQ twice on the same day, within an interval of 30 min, applied by two different interviewers. After 7 to 14 days, on a second visit, the questionnaire was applied again. Reliability (intra-and interobserver internal consistency), construct and discriminative validity were tested. Results: several cultural adaptations were necessary until we reached the final version. The intra-observer internal consistency (alpha of Cronbach) of the several dimensions varied from moderate to high (0.77-0.90), and the interobserver internal consistency varied from 0.66 to 0.94. Moderate to strong correlation was detected among the specific KHQ urinary incontinence do...
Nitric oxide (NO) in platelets has been proposed as a promising tool for studying NO variations in migraine. In the present research the platelet response to collagen and the basal and collagen-induced production of NO and cGMP in platelet cytosol were assessed in migraine patients (25 with aura and 35 without aura) both interictally and ictally, and compared with the same parameters in 30 age-matched control subjects. A reduced responsiveness to collagen was found in migraine patients, particularly those with aura, and this was more marked during attacks (ANOVA interictal periods: p < 0.01, attacks: p < 0.02) The basal and collagen-stimulated production of NO and cGMP in the platelet cytosol was significantly higher in migraine patients with aura assessed in interictal periods than in control subjects, and this production was further increased during attacks (interictal period: NO ANOVA: p < 0.001, ictal period: p < 0.01; cGMP: interictal period p < 0.01, ictal period: p < 0.02). The increase in platelet NO and cGMP production was also evident, though to a lesser extent, in migraine patients without aura. The present research supports the hypothesis of an activation of the L-arginine/NO pathway in migraine patients, especially those with aura, and confirms the findings of a previous study of increased levels of L-arginine in platelets of migraine patients studied in headache free-periods, and decreased collagen aggregation in whole blood.
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