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Efficiency of noninvasive sampling methods (swab) together with Polymerase Chain Reaction (PCR) for diagnosing American Tegumentary Leishmaniasis
Boni, Sara Macente; Oyafuso, Luiza Keiko; Soler, Rita de Cassia; Lindoso, José Angelo Lauletta.
  • Boni, Sara Macente; Centro Universitário Cesumar. Departamento de Biomedicina. Maringá. BR
  • Oyafuso, Luiza Keiko; Centro Universitário Cesumar. Departamento de Biomedicina. Maringá. BR
  • Soler, Rita de Cassia; Centro Universitário Cesumar. Departamento de Biomedicina. Maringá. BR
  • Lindoso, José Angelo Lauletta; Centro Universitário Cesumar. Departamento de Biomedicina. Maringá. BR
Article in English | LILACS | ID: biblio-842775
ABSTRACT
ABSTRACT Traditional diagnostic methods used to detect American Tegumentary Leishmaniasis, such as histopathology using biopsy samples, culture techniques, and direct search for parasites, have low sensitivity and require invasive collection procedures. This study evaluates the efficiency of noninvasive sampling methods (swab) along with Polymerase Chain Reaction (PCR) for diagnosing American Tegumentary Leishmaniasis using skin and mucous samples from 25 patients who had tested positive for leishmaniasis. The outcome of the tests performance on swab samples was compatible with PCR results on biopsy samples. The findings have also shown that PCR-kDNA test is more efficient than PCR-HSP70 and qPCR tests (sensitivity of 92.3%, 40.7%, and 41%, respectively). Given the high sensitivity of the tests and the fact that the sampling method using swabs affords greater patient comfort and safety, it could be said that this method is a promising alternative to conventional biopsy-based methods for the molecular diagnosis of leishmaniasis.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Leishmania braziliensis / DNA, Protozoan / Leishmaniasis, Cutaneous / DNA, Kinetoplast Type of study: Diagnostic study Limits: Humans Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Centro Universitário Cesumar/BR

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Full text: Available Index: LILACS (Americas) Main subject: Leishmania braziliensis / DNA, Protozoan / Leishmaniasis, Cutaneous / DNA, Kinetoplast Type of study: Diagnostic study Limits: Humans Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2017 Type: Article Affiliation country: Brazil Institution/Affiliation country: Centro Universitário Cesumar/BR