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Search Results: 1 - 10 of 392960 matches for " C. Froilán Torres "
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Linfoma MALT duodenal: una localización muy poco frecuente
L. Adán Merino,E. Martín Arranz,P. Mora Sanz,C. Froilán Torres
Revista Espa?ola de Enfermedades Digestivas , 2010,
Abstract:
Hidatidosis hepática: manejo actual de una entidad aún presente Liver hidatidosis: a current management of a present disease
L. Adán Merino,E. Alonso Gamarra,S. Gómez Senent,C. Froilán Torres
Revista Espa?ola de Enfermedades Digestivas , 2008,
Abstract:
Síndrome de lisis tumoral "espontáneo" en paciente con enfermedad de Crohn tratado con inmunosupresores Acute spontaneous tumor lysis syndrome in a patient with Crohn's disease taking immunosuppressants
C. Froilán Torres,P. Castro Carbajo,R. Pajares Villarroya,R. Plaza Santos
Revista Espa?ola de Enfermedades Digestivas , 2009,
Abstract: El síndrome de lisis tumoral (SLT) es una complicación catastrófica del tratamiento de ciertas enfermedades neoplásicas. Si bien es más frecuente en pacientes con neoplasias hematológicas malignas tras el inicio de la quimioterapia, puede presentarse excepcionalmente, tras la necrosis espontánea de algunos tumores, en ausencia de tratamiento citostático. Clínicamente cursa con hiperuricemia, hiperfosfatemia, hipocalcemia, hiperpotasemia y fallo renal agudo. Presentamos el caso de un paciente con enfermedad de Crohn en tratamiento inmunospresor, que desarrolló un síndrome de lisis tumoral espontáneo como debut de un plasmocitoma. Al ingreso, se objetivó un fracaso renal oligoanúrico que, a pesar de tratamiento precoz con hiperhidratación, alcalinización de la orina, urato-oxidasa y hemodiálisis, tuvo un desenlace fatal en 72 horas. Este caso reviste un interés particular por lo excepcional de la naturaleza "espontánea" del síndrome de lisis tumoral en ausencia de quimioterapia, por presentarse con una hiperuricemia extrema, probablemente la más alta de las recogidas en la literatura, y por la controversia actual de la terapia con inmunosupresores y/o biológicos en la enfermedad inflamatoria intestinal y su relación con el desarrollo de determinados tumores. Acute tumour lysis syndrome (TLS) is a catastrophic complication of the treatment of certain neoplastic disorders. It most commonly occurs in association with hematologic malignancies and appears a few hours to a few days after initiation of specific chemotherapy, as the result from the release of intracellular components into the bloodstream due to abrupt malignant cell death. Acute spontaneous TLS is rare, and it has been described in leukemia and lymphoma and in some patients with solid tumors prior to institution of therapy. The syndrome is characterized by hyperuricemia, hyperphosphatemia, hypocalcemia, hyperkalemia, and acute oliguric or anuric renal failure due to uric acid precipitation within the tubules (acute uric acid nephropathy) and to calcium phosphate deposition in the renal parenchyma and vessels. We report a case of acute spontaneous TLS in a patient with Crohn's disease treated with immunosuppressive drugs, who developed a plasmocytoma, in which serum uric acid concentration attained exceptionally high levels (44 mg/dL). The patient underwent acute oliguric renal failure, which required treatment with hyperhydration, urine alkalinization, urate oxidase and hemodialysis, with a fatal evolution. In conclusion, the present case report has several peculiarities: that of being one of the
Síndrome de lisis tumoral "espontáneo" en paciente con enfermedad de Crohn tratado con inmunosupresores
Froilán Torres,C.; Castro Carbajo,P.; Pajares Villarroya,R.; Plaza Santos,R.; Gómez Senent,S.; Martín Arranz,M. D.; Adán Merino,L.; Martín Arranz,E.; Mance?ido Marcos,N.; Peces,R.; Benito López,D.;
Revista Espa?ola de Enfermedades Digestivas , 2009, DOI: 10.4321/S1130-01082009000400009
Abstract: acute tumour lysis syndrome (tls) is a catastrophic complication of the treatment of certain neoplastic disorders. it most commonly occurs in association with hematologic malignancies and appears a few hours to a few days after initiation of specific chemotherapy, as the result from the release of intracellular components into the bloodstream due to abrupt malignant cell death. acute spontaneous tls is rare, and it has been described in leukemia and lymphoma and in some patients with solid tumors prior to institution of therapy. the syndrome is characterized by hyperuricemia, hyperphosphatemia, hypocalcemia, hyperkalemia, and acute oliguric or anuric renal failure due to uric acid precipitation within the tubules (acute uric acid nephropathy) and to calcium phosphate deposition in the renal parenchyma and vessels. we report a case of acute spontaneous tls in a patient with crohn's disease treated with immunosuppressive drugs, who developed a plasmocytoma, in which serum uric acid concentration attained exceptionally high levels (44 mg/dl). the patient underwent acute oliguric renal failure, which required treatment with hyperhydration, urine alkalinization, urate oxidase and hemodialysis, with a fatal evolution. in conclusion, the present case report has several peculiarities: that of being one of the rare examples of spontaneous tls, that of showing an exceptionally severe hyperuricemia, probably the highest ever reported in the literature, and that of the possible increased risk of tumours in patients with crohn's disease taking inmunosuppressives and/or tnf antagonists.
Phase Transitions in Two-Dimensional Traffic Flow Models
José A. Cuesta,Froilán C. Mart{\'?}nez,Juan M. Molera,Angel Sánchez Escuela
Physics , 1993, DOI: 10.1103/PhysRevE.48.R4175
Abstract: We introduce two simple two-dimensional lattice models to study traffic flow in cities. We have found that a few basic elements give rise to the characteristic phase diagram of a first-order phase transition from a freely moving phase to a jammed state, with a critical point. The jammed phase presents new transitions corresponding to structural transformations of the jam. We discuss their relevance in the infinite size limit.
Phase Transitions In Two-Dimensional Traffic Flow Models
José A. Cuesta,Froilán C. Mart{\'?}nez,Juan M. Molera,Angel Sánchez
Physics , 1993,
Abstract: We introduce two simple two-dimensional lattice models to study traffic flow in cities. We have found that a few basic elements give rise to the characteristic phase diagram of a first-order phase transition from a freely moving phase to a jammed state, with a critical point. The jammed phase presents new transitions corresponding to structural transformations of the jam. We discuss their relevance in the infinite size limit.
Aneurisma disecante de la aorta: Presentación de un caso Dissecting aorta aneurysm: A case report
Alberto García Gómez,Juan C Pradere Pensado,Pedro Yunes Saab,Froilán Padrón Valdés
Revista Cubana de Medicina , 2006,
Abstract: Se presentó el caso de una paciente con diagnóstico tardío de aneurisma disecante de la aorta, que ingresó en este centro con un cuadro clínico de dolor precordial intenso e hipotensión arterial y se le detectó en el electrocardiograma inicial un bloqueo auriculo-ventricular completo transitorio sin signos de isquemia asociado. Evolutivamente, se observó anemia importante con lesiones equimóticas en regiones lumbares. Se revisó el tema del síndrome aórtico agudo. Se destacó el valor de mantener la sospecha sobre esta identidad y el papel de la ecocardiografía y la tomografía axial computadorizada en el diagnóstico The case of a patient with late diagnosis of dissecting aorta aneurysm that was admitted in this center with a clinical picture of intense precordial pain and arterial hypotension is reported. A transitory complete atrioventricular block without associated signs of ischemia was detected in the initial ECG. Evolutively, important anemia with ecchymotic lesions in the the lumbar regions was observed. The topic on the acute aortic syndrome was reviewed. The value of maintaining the suspicion of this entity and the role of the echocardiography and the computarized axial tomography were stressed
Aneurisma disecante de la aorta: Presentación de un caso
García Gómez,Alberto; Pradere Pensado,Juan C; Yunes Saab,Pedro; Padrón Valdés,Froilán; Almeida Cruz,Elizabeth;
Revista Cubana de Medicina , 2006,
Abstract: the case of a patient with late diagnosis of dissecting aorta aneurysm that was admitted in this center with a clinical picture of intense precordial pain and arterial hypotension is reported. a transitory complete atrioventricular block without associated signs of ischemia was detected in the initial ecg. evolutively, important anemia with ecchymotic lesions in the the lumbar regions was observed. the topic on the acute aortic syndrome was reviewed. the value of maintaining the suspicion of this entity and the role of the echocardiography and the computarized axial tomography were stressed
Rese a de "La reestructuración productiva de la economía mexicana de los a os 90" de Beatriz García Castro y Leticia Velázquez García (coordinadoras)
Juan Froilán Martínez Pérez
Análisis Económico , 2004,
Abstract:
Sistemas de producción agrícola sostenible en los Andes de Venezuela: Agricultura Orgánica
Roberto López,Froilán Contreras
Avances en Química , 2007,
Abstract: Organic agriculture provides practical and sustainable solutions that combine food production, and protection of environment and human health. In Venezuela exist encouraging experiences of production and commercialization of ecological agricultural products, as much for the export as for internal consumption. Nevertheless, the future of the organic production in Venezuela depends on its incorporation as a part of the national agricultural plans. It is necessary to devote enormous efforts to propitiate the interest and to make effective the government's support, with the purpose of impelling the integral development of the organic agriculture in the country.
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