157 resultados para Vejiga urinaria neurogénica


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Presentamos una experiencia y comentarios sobre neuromodulación y vejiga neurogénica. Evaluamos 32 pacientes con estimulación percutánea previa (PNE), positiva en 20 casos y negativa en 12. Los diagnósticos en las PNE negativas fueron: 7 vejigas hiperrrefléxicas, 3 vejigas neurógenas atónicas no obstructivas, 1 síndrome cortical con vejiga neurógena no inhibida y un síndrome doloroso vesical. Los mejores resultados son en vejigas hiperrrefléxicas con mejoría del 60-70%, con un seguimiento de hasta 4 años.

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Los cálculos vesicales son los más frecuentes del tracto urinario bajo (1). El factor predisponente más frecuente para la formación de cálculos vesicales es la obstrucción del tracto de salida. Presentaremos el caso de una paciente con antecedente de trauma uretral por fractura de pelvis; derivada con un Mitrofanoff; con diagnostico de cistolitiasis múltiple con cálculos de hasta 1 cm. El objetivo es mostrar la posibilidad de manejo de la cistolitiasis vía percutánea en una paciente con una derivación urinaria compleja funcionante, procedimiento menos mórbido, con menor tiempo de recuperación y con resultados comparables a otras técnicas. Inicia el procedimiento previa cateterización del Mitrofanoff con sonda Foley 12Fr, realizando punción suprapúbica para mediana izquierda a 2 cm de la rama púbica con aguja Chiba, posteriormente se avanzó guía hidrofílica seguida de varilla y dilatadores secuenciales de Alken 9Fr-27Fr y colocación de camisa Amplatz 28 Fr. Se retiraron dilatadores conservando guía de seguridad, se extrajeron la totalidad de los cálculos. Se ocluyó herida y se dejó sonda Foley conectada a Cystoflo. Egreso al día 1 post operatorio y retiro sonda Foley a los 5 días post operatorio. No se presentaron complicaciones, el tiempo operatorio fue de 1 hora, con 1 día de estancia hospitalaria. Recuperación satisfactoria con un resultado exitoso en cuanto a la extracción completa de los cálculos en 1 sólo tiempo quirúrgico. La cistolitotomía percutánea es una opción de manejo la cual ofrece grandes ventajas. Debe ser considerada no sólo en pacientes con acceso uretral restringido.

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Keratinizing squamous metaplasia of the bladder is rare and is usually associated with urinary tract infections and chronic irritation. It is considered a precancerous condition of squamous cell carcinoma, especially when more than 50% of the bladder surface is affected. Medical treatment cannot eradicate this lesion. When it is limited to a small area of the bladder, transurethral resection is possible. Annual cystoscopy with multiple biopsies as well as annual upper tract imaging is proposed in the follow up of these patients. We present a preliminary 2-year followup report of a keratinizing squamous metaplasia of the bladder in a 28-year-old female patient with no previous risk factors.

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PURPOSE We aimed to ascertain the degree of association between bladder cancer and human papillomavirus (HPV) infection. MATERIALS AND METHODS We performed a meta-analysis of observational studies with cases and controls with publication dates up to January 2011. The PubMed electronic database was searched by using the key words "bladder cancer and virus." Twenty-one articles were selected that met the required methodological criteria. We implemented an internal quality control system to verify the selected search method. We analyzed the pooled effect of all the studies and also analyzed the techniques used as follows: 1) studies with DNA-based techniques, among which we found studies with polymerase chain reaction (PCR)-based techniques and 2) studies with non-PCR-based techniques, and studies with non-DNA-based techniques. RESULTS Taking into account the 21 studies that were included in the meta-analysis, we obtained a heterogeneity chi-squared value of Q(exp)=26.45 (p=0.383). The pooled odds ratio (OR) was 2.13 (95% confidence interval [CI], 1.54 to 2.95), which points to a significant effect between HPV and bladder cancer. Twenty studies assessed the presence of DNA. The overall effect showed a significant relationship between virus presence and bladder cancer, with a pooled OR of 2.19 (95% CI, 1.40 to 3.43). Of the other six studies, four examined the virus's capsid antigen and two detected antibodies in serum by Western blot. The estimated pooled OR in this group was 2.11 (95% CI, 1.27 to 3.51), which confirmed the relationship between the presence of virus and cancer. CONCLUSIONS The pooled OR value showed a moderate relationship between viral infection and bladder tumors.

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BACKGROUND The Bladder Cancer Index (BCI) is so far the only instrument applicable across all bladder cancer patients, independent of tumor infiltration or treatment applied. We developed a Spanish version of the BCI, and assessed its acceptability and metric properties. METHODS For the adaptation into Spanish we used the forward and back-translation method, expert panels, and cognitive debriefing patient interviews. For the assessment of metric properties we used data from 197 bladder cancer patients from a multi-center prospective study. The Spanish BCI and the SF-36 Health Survey were self-administered before and 12 months after treatment. Reliability was estimated by Cronbach's alpha. Construct validity was assessed through the multi-trait multi-method matrix. The magnitude of change was quantified by effect sizes to assess responsiveness. RESULTS Reliability coefficients ranged 0.75-0.97. The validity analysis confirmed moderate associations between the BCI function and bother subscales for urinary (r = 0.61) and bowel (r = 0.53) domains; conceptual independence among all BCI domains (r ≤ 0.3); and low correlation coefficients with the SF-36 scores, ranging 0.14-0.48. Among patients reporting global improvement at follow-up, pre-post treatment changes were statistically significant for the urinary domain and urinary bother subscale, with effect sizes of 0.38 and 0.53. CONCLUSIONS The Spanish BCI is well accepted, reliable, valid, responsive, and similar in performance compared to the original instrument. These findings support its use, both in Spanish and international studies, as a valuable and comprehensive tool for assessing quality of life across a wide range of bladder cancer patients.

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Introdução: A disfunção do trato urinário inferior (DTUI) corresponde a alterações no enchimento ou esvaziamento de urina de causas neurogênicas, anatômicas e funcionais. Objetivo: Avaliar o impacto do tratamento em crianças e adolescentes com DTUI. Métodos: Coorte histórica de 15 anos de seguimento com participação de 192 pacientes (123F, 69M) com idade inicial de 0,1 a 16,8 anos, analisados à admissão (T0) e ao final do seguimento (T1). A maioria dos pacientes era do grupo neurológico (60,4%). O tratamento instituído foi a uroterapia com intervenção comportamental e cognitiva, micção de hora marcada, hidratação oral, dieta laxativa, biofeedback, eletroestimulação sacral, cateterismo vesical intermitente limpo (CIL), terapia anticolinérgica, enema retal, tratamento da infecção do trato urinário (ITU) e, nos casos refratários, procedimentos cirúrgicos, tais como a derivação urinária continente e incontinente (vesicostomia), ampliação vesical e conduto para a realização do enema anterógrado cólico. Resultados: Os principais sintomas foram incontinência urinária diurna (82,3%), enurese noturna não monossintomática (78,6%), incontinência fecal (54,2%) e constipação intestinal (47,9%). Detectou-se redução significativa da infecção do trato urinário (p = 0,0027), da incontinência urinária diurna (p < 0,001), da enurese noturna (p < 0,001), da incontinência fecal (p = 0,010) e do refluxo vesicoureteral (p = 0,01). Houve aumento significativo no uso do CIL (p = 0,021), da terapia com anticolinérgico (p < 0,001) e diminuição da quimioprofilaxia (p < 0,001). Conclusão: Este estudo mostrou que o tratamento da DTUI na criança deve ser individualizado, além de requerer uma monitorização constante dos parâmetros clínicos, laboratoriais e de imagem, para minimizar o risco de lesão renal.

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Cats are gradually occupying a more important position as pets and this preference is a result of how easy cat maintenance in an urban environment is, even though they are very prolific and need surgical sterilization. This paper aims at evaluating obtained data within 15 years of research in a university service program that offers free cats sterilization surgery. We carried out a statistical analysis of data shown in the records of animals treated by the program. Surgical sterilization was performed on 647 animals (409 females – 63% and 238 males – 37%). Unilateral cryptorchidism was observed in 9 (3.8%) male cats. Forty (10%) female cats were pregnant at the time of the surgery and the treatment with contraceptives was observed in 67 (16.4%) female cats. One death occurred during anesthesia recovery and 2 cats were euthanized because of wound infection, totalizing an amount of 0.5% of severe complications. From 1996 to 2004, 212 female cats were spayed (122 adults and 90 prepubertal) and during that time two different approaches for ovariohysterectomy were compared: flank laparotomy and ventral midline celiotomy. The flank laparotomy approach was used in only 46 female cats (21.7%) due to some disadvantages observed – the need of an incision on each flank in prepubertal or nulliparous animals and the difficulty or impossibility of total uterus removal. In the same period, 105 male cats underwent orchiectomy via an open technique in which the spermatic cord was linked with nylon thread. From 2005 to 2010, 197 females (106 adults and 91 prepubertal) were spayed. The minilaparotomy technique was used to perform ovariohysterectomy on 139 female cats (70.6%). In this procedure, ovaries and uterus were exteriorized in a blind fashion with a hook through a small midline incision. The traditional midline ovariohysterectomy, which incision length permits direct visualization of the ovaries and uterus, had to be performed in 58 (29.4%) female cats due to advanced pregnancy, full urinary bladder during surgery or obesity. Over the past 6 years, 133 male cats (48 adults and 85 prepubertal) were castrated by means of an open technique in which the spermatic cord was tied to itself. The demand for surgeries during the project demonstrated that people are becoming aware concerning the importance of sterilization when facing cat overpopulation and abandonment.

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Objetivos: analizar la experiencia obtenida y evaluar los resultados urodinámicos del estudio de 18 pacientes con esclerosis múltiple. Material y Métodos: se estudiaron 18 casos, valorándose la historia clínica, ecografía vesical y renal, analizándolos urodinámicamente con uroflujometría, residuo post miccional (RPM), cistotonometría y electromiografía esfinteriana. Urocultivo y antibiograma de orina. Resultados: del análisis de todas las variables se desprende que la vejiga hiperactiva se presentó en 10 casos con un predominio del síndrome frecuencia-urgencia, vejiga hipotónica-hiporrefléxica en 5 pacientes, disinergia detrusor-esfínter en 4 casos y 9 pacientes con infección urinaria que desencadenaban crisis de espasticidad. Todos fueron tratados con anticolinérgicos de acción vesical inmuno-modulación (brotes-recaídas) e inmuno-supresión en la enfermedad progresiva, de rehabilitación y terapia de apoyo psicológico. Conclusión: la vejiga hiperactiva es el tipo de consecuencia urinaria de la esclerosis en placa con los síntomas de frecuencia-urgencia y que, con tratamiento multimodal mejoran en un alto porcentaje.

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Universidade Estadual de Campinas . Faculdade de Educação Física

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Os autores verificaram, em três casos de anemia ancilostomótica, diminuição acentuada na eliminação de cloreto de sódio na urina (2.5 g NaCl em 1.000 cm3 de urina) e progressivo retôrono à normalidade, após administação isolada de sais de ferro, sem eliminação dos helmintos do intestino.

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La patologia litiàsica urinaria infantil afecta a un 5 –10% d’aquesta població. El tractament de la litiasi en edat infantil inclou desde tractament mínimament invasiu com la litotrípsia extracorpòria per ones de xoc (LEOX) a tractament quirúrgic (endourològic o obert). Es va realitzar un estudi retrospectiu amb un total de 82 pacients en edat pediàtrica amb patologia litiàsica tractada mitjançant litotrípsia per ones de xoc. Es van analitzar de forma descriptiva els resultats sobre aquest grup de pacients. Dels 82 pacients estudiats, el 54% van ser nens i el 46% nenes, amb una edat mitjana de 8.6 anys. Es va analitzar la resposta a litotrípsia segons tamany i grups d’edat per estrats observant que no hi havia diferències significatives respecte al número de sessions necessàries por grups d’edat però amb tendència a la significació en el grup de menor edat (de 0 a 3 anys). Tanmateix, aquest grup de pacients presentaven comparativamente litiasi de major tamany que el grup de més edat (de 16 a 20 anys). Les complicacions es van presentar en només 10 pacients (8%) considerant com a tals la presència de fragments obstructius, dolor lumbar o carrer litiàsic. Després d’analitzar els resultats es pot concloure que la litotrícia per ones de xoc constitueix un tractament eficaç pel tractament de la litiasi independentment de la seva localització, no trobant diferències per grups d’edat i aconseguint bones tases de “stone free” inclús per litiasi coraliformes en pacients en edat infantil i amb escasses complicacions.

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Es tracta d'un estudi retrospectiu de casos de 280 pacients diagnosticats de tumor vesical primari amb un seguiment mínim de 8 anys. S'ha construït un Tissue microarray i mitjançant mètodes semiquantitatius d’inmunohistoquímica es determinarà l'expressió de les molècules MICA (MHC class I chain-related gene A) i del seu receptor NKG2D (Natural-Killer group 2-member D) a nivell tissular, relacionant-lo amb variables anatomopatològiques segons els grups de risc, hàbit tabàquic i sexe. Finalment valorarem l'expressió de MICA/NKG2D com a factor independent de recidiva / progressió tumoral. En la literatura només existeixen 2 treballs que relacionin MICA amb el càncer vesical.

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Introducció: La citologia urinària positiva en context de cistoscopia sense evidència de tumor macroscòpic obliga a continuar el seu estudi. En el nostre centre es realitzen biòpsies vesicals múltiples normatitzades (BMN) i citologia ureteral selectiva en aquest casos. Material i mètodes: Estudi retrospectiu de 70 pacients amb citologia urinària positiva en absència de tumor macroscòpic. Es van avaluar els resultats de totes les biòpsies vesicals múltiples i les citologies ureterals selectives realitzades. Resultats: Es va diagnosticar CIS vesical em 45 (64,3%) pacients. Es va detectar citologia ureteral positiva em 12: cinc (7,2%) en el costat esquerre i set (10%) en el dret. Es va observar CIS vesical concomitant em 2 de 5 pacients amb PAP ureteral positiu esquerra i em 5 de 7 amb PAP ureteral positiu dret. Conclusions: La biòpsia múltiple normatitzada (BMN) és útil per a aquest casos. Els pobres resultats obtinguts en citologia ureteral selectiva posen en dubte la rendibilitat de la seva utilització sistemàtica.

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Comprovar en una sèrie de més de 300 pacients tractats amb intenció radical de càncer de bufeta si el seguiment que se´ls realitza de manera rutinària permet la detecció precoç de les recaigudes i té un impacte positiu en la seva supervivencia i l´interval lliure de malaltia.