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Medicina (Buenos Aires)

versión impresa ISSN 0025-7680versión On-line ISSN 1669-9106


SANCHEZ, Alejandra P et al. Fiebre manchada de evolución fatal en la provincia de Salta. Medicina (B. Aires) [online]. 2018, vol.78, n.5, pp.356-359. ISSN 0025-7680.

We describe the case of a 17-year-old male patient living in Salta city who, 10 days after visiting a rural area in Salta province, was hospitalized for febrile seizures. Shortly after admission, he developed an exanthema followed by a multiple organ dysfunction that evolved to irreversible septic shock followed by death 48 hours after admission. Serological diagnosis -high IgM and IgG anti-Rickettsia spp. antibody titres as detected by indirect immunofluorescence- arrived post mortem. Spotted fever group rickettsioses are tick-borne diseases distributed worldwide and continue being under diagnosed in several countries mainly due to a low clinical suspicion. In the north-western provinces of Argentina there is also the limitation of not counting with a regional laboratory to perform the etiological diagnosis. This is crucial because the severe forms of the disease, which are commonly caused by R. rickettsii, have been already documented in the region. Given that spotted fevers have broadly unspecific febrile presentations and the components of the enzootic cycle are present even in geographic areas not yet considered to be endemic for tick borne diseases, their diagnosis should not be underestimated. If the adequate antibiotic treatment is administered timely, the prognosis of this group of life-threatening diseases improves drastically.

Palabras clave : Spotted fever group rickettsiosis; Febrile seizures; Rickettsia; Skin rash; Argentina.

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