Resumen

RODRIGUEZ-VILLAMARIN, Flor R; PRIETO-SUAREZ, Edgar; ESCANDON, Patricia L  y  DE LA HOZ RESTREPO, Fernando. Leptospirosis percentage and related factors in patients having a presumptive diagnosis of dengue, 2010 -2012. Rev. salud pública [online]. 2014, vol.16, n.4, pp.597-609. ISSN 0124-0064.  https://doi.org/10.15446/rsap.v16n4.46259.

Objective Using the microscopic agglutination test (MAT) from 2010-2012 for identify ingleptospirosis-related and sociodemographic variables in patients havinga confirmed diagnosis of dengue and those for whom it had been discarded. Materials and Methods This was aretrospective study of 238 sera samples. 106 patients died, 64 of their samples were negative for dengue and 42 proved positive. 132 samples from live patients proved positive for dengue; 29 were confirmed by PCR and/orvirus isolation and 103 had positive IgM readings. MAT was used for all seraand diagnosing Leptospira, epidemiological records were reviewed and the data was analysed. Results 42 dengue positive patients died; 3 (7%) were positive for Leptospira interrogans sero group Australisautumnalis (two girls aged 5 and 17 years-old anda 14 year-old boy). Of the 64 deceased patients who proved negative for dengue, 7 (11%) were found positive for L.interrogans from sero groups Pomona, Autumnalis, Canicola and Ballum (5 malesaged 8to 58 years-old and 2 womenaged 35 and 56 years-old). Of the 103 living patients who proved positive for dengue IgM, 3 (2.9%) were positive for Leptospira icterohaemorrhagiae from the Cynopteri, Javanica Proechimys and Autumnalissero groups(1 maleand 2 females). None of the 29 living patients confirmedas having dengue were positive for Leptospira. Conclusions Leptospirosis should be suspected not onlyas the solecausative agent of febrile syndromebut also of co-infection which could compromisea patient and be related tomortality.

Palabras clave : Dengue; Leptospira; coinfection.

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