El cáncer colorectal es de las principales causas de muerte por cáncer a nivel mundial. Una proporción importante de los casos desarrolla metástasis hepáticas. Gracias a los avances diagnósticos y tratamientos oncológicos, la sobrevida ha ido en aumento, sin embargo, para ello es fundamental lograr la resección quirúrgica completa de las lesiones primarias y metastásicas con márgenes microscópicos negativos (R0). Existen numerosos procedimientos y técnicas diseñadas para este objetivo como la quimioterapia neoadyuvante, embolización portal, cirugía en etapas, etc. A pesar de ello, hay casos no resecables por compromiso hepático bilobar, multisegmentario y/o compromiso de vasos arteriales, portales o venosos que en caso de resección, no permiten mantener hígado remanente funcional compatible con la vida del paciente. El trasplante hepático surge como alternativa radical para el tratamiento de casos no resecables. Dado la escasez de donantes y mortalidad en la lista de espera nacional, no es aceptable ocupar hígados del pool de donantes para patologías con criterios expandidos como metástasis colorectales. Sin embargo, con el recurso del donante vivo de adulto a adulto, hoy en día es posible indicar trasplante en casos seleccionados, que cumplan con todos los criterios establecidos.
Conocimiento sobre el ácido fólico en la prevención de defectos de cierre del tubo neural: una encuesta a mujeres que viven en Santiago de Chile Awareness of post partum women on the effects of folic acid in the prevention of congenital anomalies Background: Wheat flour in Chile is fortified with folic acid and pregnant women are also supplemented with the vitamin, but the population level of knowledge or awareness about this vitamin and its use by pregnant women is unknown. Aim: To assess the level of knowledge that postpartum women from Santiago de Chile have about folic acid. Material and methods: A questionnaire about folic acid and its efects on the prevention of neural tube defects was developed adapting questionnaires designed abroad. It was applied by medical students to puerperal women, hospitalized in public hospitals. Results: The questionnaire was applied to 342 women aged 26 ± 7 years. Sixty one percent were housewives and 55% completed high school education. Forty seven percent of these women had heard about folic acid, 9.6% knew that it was able to prevent congenital defects and only one received an adequate supplementation during pregnancy. Women aged 25 to 34 years and those with an adequate medical care during pregnancy had a significantly better knowledge about folic acid and its role in the prevention of congenital anormalies. The more commom means to receive information about folic acid were midwifes (34%), mass media (28%) and doctors (20%). Two hundred eleven women (62%) agreed to take folic acid in a future gestation and 58% preferred to do so using fortified foods. Conclusions: Post partum women from Santiago have a poor knowledge about the relevance of folic acid supplementation (Rev Méd Chile 2007; 135; 1551-7). (
RESUMENSe presenta el caso de un paciente, hombre de 74 años, portador de hipertensión arterial crónica y diabetes mellitus Tipo 2, portador de un cáncer de colon derecho recientemente diagnosticado y que tenía planificada cirugía electiva. Es ingresado de urgencia al Hospital del Salvador por un cuadro de calofríos y fiebre alta de tres días de evolución, cuyo estudio descartó foco séptico pulmonar, urinario y otros, incluyendo Ecocardiograma para descartar una endocarditis. Solo se demostraron dos hemocultivos positivos para Streptococcus anginosus, siendo tratado exitosamente con Ceftriaxona y Metronidazol. Es intervenido quirúrgicamente al 7º día, encontrándose un tumor abscedado de colon derecho. Evolución postoperatoria satisfactoria, siendo dado de alta al 5º día del postoperatorio.PALABRAS CLAVE: Streptococcus anginosus, cáncer de colon, sepsis. ABSTRACTWe report a 74 years old hypertensive and diabetic male with a recently diagnosed right colon cancer that consulted in the emergency room for fever and chills lasting three days. He was admitted, two blood cultures were positive for Streptococcus anginosus, treatment with Ceftriaxone and Metronidazole was started and fever subsided after four days of treatment. The surgical exploration showed that the colon cancer was abscessed and was the origin of the sepsis. The patient was discharged in good conditions five days later.
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