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      Alterações das pressões anais em pacientes constipados por defecação obstruída Translated title: Anal pressure changes in patients with outlet constipation

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          Abstract

          INTRODUÇÃO: a constipação é um sintoma de doença multifatorial. O diagnóstico correto é importante para orientar a terapêutica. Nas formas de defecação obstruída há vários fatores relacionados como gênero, idade, hábitos, paridade, doenças associadas e distúrbios específicos da evacuação. Entre os métodos para diagnóstico a manometria é usada pela facilidade técnica e disponibilidade. OBJETIVO: verificar o valor da manometria isoladamente em constipados por defecação obstruída. MÉTODO: examinamos quarenta pacientes do Ambulatório de Coloproctologia da Santa Casa de São Paulo com diagnóstico de defecação obstruída. As medidas de pressão retal e anal foram comparadas com um grupo controle de 60 indivíduos considerados normais do ponto de vista proctológico. Separados os pacientes consoante a causa da constipação, verificou-se o valor do método manométrico em cada causa específica. RESULTADOS: houve somente diferenças entre as medidas de pressão retal e anal em repouso e pressão máxima de contração entre os normais e os vários tipos de constipados, mas não diferenças específicas entre as várias modalidades de constipação. CONCLUSÃO: os vários métodos de fisiologia anal são importantes e necessários em conjunto para o diagnóstico correto. A manometria contribui para a investigação dos distúrbios funcionais, devendo sempre ser incluída. Contudo, seu valor como método isolado é questionável.

          Translated abstract

          BACKGROUND: constipation is a complex problem and precise diagnosis is required for adequate therapy. When treating patients with obstructed defecation, many factors as gender, age, personal habits, childbirth, associated diseases and other specific pelvic disorders must be considered. Manometry is the preferred diagnosis method due to its simplicity and general availability. OBJECTIVE: the aim of this work was to determine rectal and anal pressures in patients with outlet constipation. METHOD: forty patients diagnosed with outlet constipation were examined using manometry by Coloproctology Ambulatory of Santa Casa of São Paulo. The results were compared with a control group of 60 normal. Rectal and anal pressures were measured by ballon manometry , with the patients grouped by type of constipation. RESULTS: we observed alterations in rectal and anal resting and anal squeese pressures in constipated individuals, but no pressure differences between the various types of constipation. CONCLUSION: the different diagnostic methods are relevant for a correct diagnosis. Although baloon manometry should be one of these procedures, it should not be used as the only diagnosis method.

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          Diet, physical inactivity and the prevalence of constipation throughout and after pregnancy.

          Few studies appear to have investigated the prevalence of constipation for all three trimesters of the gestative period, or indeed after birth. Using a prospective 4- to 7-day weighed food diary, International Physical Activity Questionnaire and 7-day bowel habit diary, dietary factors, physical activity levels and bowel habit parameters were assessed and examined concurrently at weeks 13, 25, 35 of pregnancy and 6 weeks post-partum. Ninety-four primiparous pregnant women were initially recruited, and 72, 59, 62 and 55 completed the first, second, third trimester and post-partum study stages, respectively. Key dietary factors and physical activity levels were compared between the constipated and non-constipated groups from each of the three trimesters and after parturition. Compared with non-constipated mothers-to-be, constipated participants consumed statistically significantly less water in the first trimester (P = 0.04), more food in the second trimester (P = 0.04), and less iron (P = 0.02) and food (P = 0.04) in the third trimester and after birth, respectively. No statistically significant differences were identified between light, moderate and vigorous physical activity levels when groups were compared. This study demonstrates that dietary factors may play a role in terms of preventing, or alleviating, bowel habit perturbations both throughout and after pregnancy. Further research is required to investigate the interrelationship between physical activity and constipation during and after pregnancy.
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            Interventions for treating constipation in pregnancy.

            Constipation is a common problem in late pregnancy. Circulating progesterone may be the cause of slower gastrointestinal movement in mid and late pregnancy.
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              Myths and misconceptions about chronic constipation

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                Author and article information

                Journal
                rbc
                Revista Brasileira de Coloproctologia
                Rev bras. colo-proctol.
                Cidade Editora Científica Ltda (Rio de Janeiro, RJ, Brazil )
                0101-9880
                December 2008
                : 28
                : 4
                : 402-408
                Article
                S0101-98802008000400001 S0101-9880(08)02800401
                10.1590/S0101-98802008000400001
                f3ef20a6-0caa-4f2e-82ff-a9af27248bfe

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 18 August 2008
                : 04 September 2008
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 15, Pages: 7
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                SciELO Brazil

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                Artigos Originais

                manometria,constipation,outlet constipation,manometry,anal pressure,constipação,defecação obstruída,pressão anal

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