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14.656  Articles
1 of 1.467 pages  |  10  records  |  more records»

Incremento de la detección de lesiones cervicales mediante inspección visual. Puerto Esperanza. 2008Incremento de la detección de lesiones cervicales mediante inspección visual. Puerto Esperanza. 2008Las pruebas visuales del cuello uterino mediante ácido acético al 4-5 % (IVA) y Lugol (IVSL) contribuyen a detectar lesiones. Este constituye el primer reporte de su uso en Cuba. Objetivo: demostrar el incremento de la detección de lesiones cervicales premalignas y malignas mediante el uso de pruebas visuales en la APS. Método: estudio de casos-controles en Puerto Esperanza, Viñales, 2008. Universo: Mujeres de 15-64 años con relaciones sexuales penetrantes. Muestra: Mujeres con pruebas visuales y citología alterada (n1= 18 casos) o no (n2= 178 controles). En Patología de Cuello se les practicó colposcopia y biopsia dirigida o por conización con asa diatérmica. Se calcularon frecuencias absolutas y relativas porcentuales y la probabilidad de detectar lesiones por las pruebas aisladas o en conjunto, además de las pruebas de rendimiento diagnóstico. Resultados: IVA e IVSL resultaron positivas en 92.9% y 79.6%, respectivamente. La probabilidad conjunta de tener lesiones fue 0.7395. Con citología alterada el 88.9 % tenía IVA+ y 77,9 % tuvo IVSL+. La colposcopia resultó positiva en el 70.9 % y la probabilidad de tener una lesión mediante pruebas visuales y la colposcopia fue 0.516. De las 136 mujeres biopsiadas resultaron útiles el 99.3%, de las cuales casi el 50 % tuvo lesiones premalignas/malignas. Las pruebas de rendimiento fueron superiores para la IVA y la IVSL que para la citología. No se detectó cáncer invasor, pero sí carcinomas in situ. Conclusión: las pruebas visuales aumentaron la cantidad de diagnósticos en 4 veces y debe generalizarse su uso.DeCS: ABSTRACTVisual examination of cervix using acetic acid up to 4-5% (VIA) and Lugol's solution (VILI) contribute to detect lesions. This constitutes the first report of their use in Cuba. Objective: to demonstrate the detection increase of pre-malignant and malignant cervical lesions by means of visual examination in Primary Health Care. Method: control-case studies in Puerto Esperanza, Viñales municipality in 2008. Target group: women from 15 to 64 years old who practice penetrating sexual relations. Sample: women who underwent visual examinations and altered cytology (n1= 18 cases) or not (n2= 178 controls). In Cervix Pathology Office, colposcopies either by directed biopsy or conization with diathermal ansa were practiced; calculating absolute and relative percentage frequencies and the probability to detect lesions by isolated tests or in set, together with the tests of diagnostic performance. Results: VIA and VILI were positive in 92.9% and 79.6%, respectively. The joint probability of presenting lesions was 0. 7395. Those showing altered cytology (88.9%) had positive VIA and 77, 9% positive VILI. Colposcopy resulted positive in 70.9% and the probability of having a lesion, proved by visual examination, simultaneously with colposcopy was 0.516. Biopsies performed to 136 women were useful (99.3%), out of them, almost 50% presented pre-malignant and malignant lesions. Yield tests were superior to VIA and VILI than to cytology. Non-invasive cancer was detected; however in situ carcinoma was. Conclusion: visual examination increased the number of diagnosis 4 times, thus its use must be generalized.DeCS: PRECANCEROUS CONDITIONS, CERVIX UTERI, CYTODIAGNOSIS, UTERINE CERVICAL NEOPLASMS, COLPOSCOPY.

Objetivo: demostrar el incremento de la detección de lesiones cervicales premalignas y malignas mediante el uso de pruebas visuales en la APS. Método: estudio de casos-controles en Puerto Esperanza, Viñales, 2008. Universo: Mujeres de 15-64 años con relac... see more

The aim of this study is to evaluate the variation of the index of reliability sist of a reinforced concrete beam, strengthened with Carbon Fiber Reinforced Polymer – CFRP, considering two different probability distribution functions – PDF for t... see more

Personalized content retrieval service has become a major information service that consumes a large portion of mobile Internet traffic. Joint content recommendation and delivery is a promising design philosophy that could effectively improve the overall u... see more

Entropy methods enable a convenient general approach to providing a probability distribution with partial information. The minimum cross-entropy principle selects the distribution that minimizes the Kullback–Leibler divergence subject to the given constra... see more

Understanding the role of beach morphology in controlling wave overtopping volume will further minimise uncertainties in flood risk assessments at coastal locations defended by engineered structures worldwide. XBeach is used to model wave overtopping volu... see more

This study investigates the runoff-sediment relationship (RSR) of the Weihe River, a sandy waterway originating from the Loess Plateau, and considers the potential variations in RSR under an evolving environment. The double mass curve method was used to i... see more

The performance evaluation of a city’s flood control system is essentially based on accurate storm designs, where a particular challenge is the development of the joint distributions of dependent rainfall variables. When it comes to the research design fo... see more

This study is aimed to estimate and measure reference values in the normal range of motion of extremity joints in females and to provide a database for the assessment of impairments related to the mobility of the joints. This observational cross-sectional... see more

This paper investigates a multi-input multi-output (MIMO) multi-relay amplify-and-forward (AF) full-duplex (FD) network using optimal joint relay and antenna selection over Rayleigh block fading channels. For system performance analysis, outage probabilit... see more

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