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6.524  Articles
1 of 653 pages  |  10  records  |  more records»
Context/background: Despite the public acknowledgment of improvement in sub-Saharan African censuses and surveys in the recent time, the quality of age-sex data still remains relatively poor. This study assessed the quality of reported age-sex data in sel... see more

Ecografía Abdominal: utilidad en el estudio imagenológico integral del paciente pediátrico con hipertensión portal / Abdominal Sonography: its use in a comprehensive imaging study in pediatric patients suffering from Portal HypertensionEcografía Abdominal: utilidad en el estudio imagenológico integral del paciente pediátrico con hipertensión portal / Abdominal Sonography: its use in a comprehensive imaging study in pediatric patients suffering from Portal HypertensionLa hipertensión portal pediátrica (HTP) representa un problema de salud en Cuba, por esta razón se realizó una investigación aplicada, descriptiva, explicativa, longitudinal, prospectiva en el Hospital Pediátrico Provincial Docente "Pepe Portilla", durante los años 2006-2007. El objetivo consiste en demostrar la utilidad de la ecografía abdominal en el diagnóstico, evolución y pronóstico de estos pacientes. El universo y muestra estuvo representado por pacientes de ambos sexos y todas las etnias, con diagnóstico confirmado de HTP. Las variables analizadas fueron la edad, sexo, antecedentes patológicos, síntomas y los signos más frecuentes, hallazgos obtenidos por ultrasonido abdominal convencional y ecografía Doppler, y evolución ecográfica. Los resultados obtenidos fueron: predominó el sexo masculino, distribución entre grupos de edades homogénea, más de la mitad de los pacientes presentaron antecedentes de cateterismo umbilical en el período neonatal, entre los síntomas y signos se destacaron: dolor abdominal, sangramiento digestivo alto y esplenomegalia, los hallazgos más frecuentemente encontrados en la ecografía convencional fueron: visceromegalia, alteraciones de la ecoestructura hepática, circulación colateral y alteraciones del sistema porta, que sobresalieron en el ultrasonido Doppler, respecto a la evolución ecográfica predominó el grupo de los pacientes que se mantuvieron estables. Palabras clave: ultrasonografía, hipertensión portal. ABSTRACT Pediatric Portal Hypertension (PPH) is a health problem in Cuba; that is why an applied, descriptive, explanatory, longitudinal and prospective research was carried out at "Pepe Portilla" Children Teaching Hospital during 2006-2007.  Objective: To demonstrate the usefulness of the abdominal Sonography in the diagnosis, natural history and prognosis of these patients. The universe and sample was comprised of both-sexes, and all ethnic patients having a confirmed diagnosis of PPH. Age, sex, pathological records, most frequent symptoms, signs, findings through conventional abdominal ultrasound, Doppler Sonography and sonographic evolution were the variables analyzed. Results showed: male sex prevailed, homogeneous distribution among the group of ages, more than the half of patients presented history of umbilical catheterization during neonatal period, among the symptoms: abdominal pain, upper digestive bleeding and spleen enlargement stood out; the most frequent findings were: splanchnomegaly,  alterations of the liver echostructure, collateral circulation and alterations of the portal system, which was notable with Doppler ultrasound; the group of patients presenting stable conditions prevailed regarding sonographic progress. Key words: ultrasonography, Portal hypertension.

ABSTRACT Pediatric Portal Hypertension (PPH) is a health problem in Cuba; that is why an applied, descriptive, explanatory, longitudinal and prospective research was carried out at "Pepe Portilla" Children Teaching Hospital during 2006-2007.  Obje... see more

SummaryIntroduction. Symmetry, asymmetry, mutual relationships and concomitance have become a subject of interest of numerous researchers. The analysis of the findings obtained in the own study conducted among adolescents aged 14-18 years revealed an inci... see more

Aegialomys xanthaeolus (Cricetidae: Sigmodontinae) inhabits the arid montane areas of western Ecuador and Peru, and higher elevations in the upper Marañón valley in northern Peru. Some researchers have included this species in broader systematic assessmen... see more

AbstractObjectives, techniques and problems of monitoring ungulate population structure and trends using standardised ground surveys as an adjunct to aerial counts are described and discussed in the light of experience gained over the past seven years. Be... see more

INTRODUCTION: Ovarian cancer is the cause of a high case-fatality ratio, and most of the cases are diagnosed in late stages.OBJECTIVES: To determine the histopathological types, age distribution, and ovarian tumour stages among diagnosed with ovarian canc... see more

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