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1.
Rev. Soc. Bras. Med. Trop ; 54: e20200326, 2021. graf
Article in English | SES-SP, ColecionaSUS, LILACS | ID: biblio-1143884

ABSTRACT

Abstract Chagas Disease is caused by Trypanosoma cruzi. This infection is endemic in the Americas region. Neurological Chagas reactivation is diagnosed through the visualization of the parasite in the cerebrospinal fluid, blood, or tissue samples. Herein, we report the visualization of trypomastigotes by direct microscopic observation of a brain biopsy specimen and its preservation fluid (PF) in a paitient infected with VIH and T. cruzi. This easy and simple diagnostic method coupled with quantitative polymerase chain reaction can be used in all tissue biopsies and PF of T. cruzi seropositive patients, suspected of Chagas disease reactivation.


Subject(s)
Humans , Trypanosoma cruzi , Chagas Disease/diagnosis , Biopsy , Diagnostic Tests, Routine
2.
Acta toxicol. argent ; 26(1): 12-18, mayo 2018. ilus
Article in Spanish | LILACS | ID: biblio-973612

ABSTRACT

In Argentina scorpion stings are the leading cause of venom-related injury to human. Since the beginning of the 20th century Tityus trivittatus is found in Buenos Aires. Scorpion envenomation is a neurotoxic syndrome with local symptoms and systemic manifestations. It could develop cardiac failure, acute pulmonary edema, shock and death. Fortunately, most of the scorpion stings in adult people in Buenos Aires are mild envenomations. A retrospective, descriptive and cross sectional study based on data collected from medical records of patients followed between 1982 and 2013 were done. We compiled a total of 141 human scorpion stings and 115 arthropod captures: 88 T. trivittatus, 10 Bothriurus bonariensis and 17 missed data. The accidents occurred more frequently in the eastern and oldest neighborhoods of the city. Eighteen patients had mild systemic manifestation. There was not any death. Twelve patients received scorpion antivenom. Although recently there was a severe case in 5 years old boy and in some provinces in Argentina death have been reported, most of the envenomations are mild. We observed inadequate treatment in some patients; it is important training on the correct management and prevention of this envenomation.


En Argentina el escorpionismo es el principal envenenamiento por animales ponzoñosos. Desde comienzos del siglo XX, Tityus trivittatus ha sido descripto en Buenos Aires. El escorpionismo es una intoxicación que produce un síndrome neurotóxico con síntomas locales y manifestaciones sistémicas. Puede desencadenar insuficiencia cardiaca, edema agudo de pulmón, shock y muerte. Afortunadamente, la mayoría de los accidentes con escorpiones en adultos en Buenos Aires son intoxicaciones leves. Se realizó un estudio retrospectivo, descriptivo y transversal basado en información recolectada de las historias clínicas desde 1982 hasta 2013. Se recolectó información sobre un total de 141 intoxicaciones por escorpiones y 115 capturas de artrópodos: 88 T. trivittatus, 10 Bothriurus bonariensis y 17 sin identificar. Los accidentes sucedieron más frecuentemente en los barrios del este y más antiguos de la ciudad. Dieciocho pacientes tuvieron síntomas sistémicos leves. No hubo ninguna muerte. Doce pacientes recibieron antiveneno. La mayoría de los envenenamientos fueron leves, aunque recientemente se produjo un caso grave en un niño de 5 años y en algunas provincias se han registrado muertes. Hemos observado un tratamiento inadecuado en algunos pacientes por lo que consideramos que sería importante capacitar en el correcto manejo y prevención de este envenenamiento.


Subject(s)
Humans , Male , Female , Infant, Newborn , Infant , Child, Preschool , Child , Adolescent , Adult , Middle Aged , Aged , Scorpion Stings/epidemiology , Argentina/epidemiology , Urban Area
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