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1.
Rev. chil. infectol ; 24(1): 63-67, feb. 2007.
Artigo em Espanhol | LILACS | ID: lil-443061

RESUMO

La trombocitopenia es una complicación relativamente frecuente en los pacientes infectados por el virus de la inmunodeficiencia humana. Las mecanismos más frecuentes de génesis son la destrucción de trombocitos mediada por inmunocomplejos y los defectos en su producción. Presentamos dos casos de trombocitopenia grave asociados a infección por VIH. Caso 1. Varón de 45 años que consultó por cuadro febril y diarreico de un mes de evolución y trombocitopenia: 3.000 plaquetas/mm³. Normalizó su recuento plaquetario al 5° día de iniciar zidovudina + lamivudina. Caso 2. Varón de 30 años, consultó por cefalea, náuseas, vómitos y convulsiones. Se confirmó la presencia de meningitis por Cryptococcus sp. El recuento plaquetario era de 59.000/mm³. Recibió zidovudina + lamivudina, luego didanosina + stavudina + nevirapina; tras 6 meses de trombocitopenia grave, normalizó el recuento plaquetario. Se presenta revisión de la correspondiente literatura científica.


Thrombocytopenia is a relatively frequent complication in patients infected by human immunodeficiency virus (HIV). Most frequent mechanisms of thrombopenia are destruction of half-filled platelets by immunocomplex and defects in production. We present two cases of severe thrombocytopenia associated to HIV infection. Case 1: A male patient, 45 years old with fever and diarrhea that lasted for 1 month that presented with thrombopenia of 3.000 platelets/mm³. After beginning zidovudine and lamivudine therapy, he normalized the platelet count in 5 days. Case 2: A male patient of 30 years old, who suffered during one day migraine, nausea, vomits and then seizures. A criptococccal meningitis was confirmed. Concomitantly he had a platelet count of 59.000/mm³. He started antiretroviral therapy with zidovudina and lamivudina, then was changed to didanosine plus stavudine plus nevirapine. After 6 months of severe thrombocytopenia, platelets count was restored to normal values. A literature review is presented.


Assuntos
Humanos , Masculino , Adulto , Pessoa de Meia-Idade , Infecções por HIV/complicações , Trombocitopenia/etiologia , Fármacos Anti-HIV/uso terapêutico , Infecções por HIV/tratamento farmacológico , Índice de Gravidade de Doença
2.
Rev. chil. ortop. traumatol ; 47(2): 87-93, 2006. ilus
Artigo em Espanhol | LILACS | ID: lil-559441

RESUMO

The surgical treatment of acute ruptures of Achilles Tendon presents in its main advantages the lesser percentage of rerupture in relation to the conservative management. On the other hand the surgical treatment has a high percentage of complications such as superficial and deep infections, fistulas, damage of sural nerve and adhesions scars. The incidence of these complications has decreased with the development of percutaneous suture techniques, which are done with instrumental specially designed instruments, available as very expensive commercial kits. We present the description of a surgical technique of percutaneous suture in acute ruptures of Achilles tendon that uses instruments developed from disused fixation elements available in any public traumatologic service. We present a preliminary report with the results of the first 8 patients operated with this technique.


El manejo quirúrgico de las roturas agudas del tendón de Aquiles presenta entre sus principales ventajas el menor porcentaje de reroturas en relación al manejo ortopédico. Como contra partida, al tratamiento quirúrgico se le atribuye un alto porcentaje de complicaciones derivadas de la herida operatoria tales como infecciones superficiales y profundas, fístulas, lesiones del nervio sural y cicatrices adherentes. La incidencia de estas complicaciones ha disminuido con el desarrollo de técnicas de sutura percutánea, habitualmente realizadas con instrumental diseñado para tal fin, disponibles en kits comerciales de alto costo. Se presenta la adaptación de una técnica quirúrgica de sutura percutánea en roturas agudas del tendón de Aquiles que utiliza instrumental desarrollado a partir de elementos de osteosíntesis en desuso y trócares de anestesia peridural, disponibles en cualquier servicio público de traumatología. Se presenta un informe preliminar con los resultados de los primeros 8 pacientes operados con esta técnica.


Assuntos
Humanos , Masculino , Feminino , Técnicas de Sutura , Tendão do Calcâneo/cirurgia , Tendão do Calcâneo/lesões , Doença Aguda , Ruptura , Resultado do Tratamento
3.
Rev. méd. Chile ; 125(4): 451-6, abr. 1997. ilus
Artigo em Espanhol | LILACS | ID: lil-196290

RESUMO

Inferior vena cava thrombosis is infrequent and in 30 percent of cases, the potential cause is an alteration of the natural anticoagulant protein system. We report a 18 years old male with an inferior vena cava thrombosis that was associated to a protein C deficiency. He was successfully treated with an infusion of intravenous streptokinase during 30 hours and intravenous heparin during 10 days, followed by oral anticoagulation therapy


Assuntos
Humanos , Masculino , Adolescente , Trombose/diagnóstico , Veia Cava Inferior/fisiopatologia , Proteína C/deficiência , Estreptoquinase/administração & dosagem , Trombose/tratamento farmacológico , Heparina/administração & dosagem , Terapia Trombolítica/métodos
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