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1.
Med Trop (Mars) ; 66(1): 39-44, 2006 Feb.
Article in French | MEDLINE | ID: mdl-16615614

ABSTRACT

Taking into account the re-emergence of leishmaniasis in the world, the geographic variability of its epidemiology and the growing numbers of travellers, a pilot study on the diagnosis of cutaneous leishmaniasis was undertaken in Constatine, one of the outbreak regions in eastern Algeria. A total of 143 specimens were collected on blotters and tested by real-time PCR. Results were compared with those of direct examination. Diagnosis was positive for leishmaniasis in 81% of cases using PCR versus 48% of cases using microscopy. Real-time PCR showed a significant quantitative difference between patients for whom microscopic diagnosis was positive and those for whom direct examination was negative. The results presented in this study demonstrated the effectiveness and sensitivity of PCR in the diagnosis of cutaneous leishmaniasis from blotter specimens. This technique enabled in-field collection of specimens from each patient and provided prompt results. North-South cooperation based on the use of simple means for transmission of specimens for molecular diagnosis allowed creation of an effective partnership for daily diagnosis and promoted exchange between investigators in preparation for technology transfer.


Subject(s)
Leishmaniasis, Cutaneous/diagnosis , Polymerase Chain Reaction , Adolescent , Adult , Aged , Algeria/epidemiology , Animals , Child , Child, Preschool , DNA, Protozoan/analysis , Female , Humans , Infant , Leishmania/genetics , Leishmaniasis, Cutaneous/epidemiology , Male , Middle Aged , Sensitivity and Specificity
2.
Médecine Tropicale ; 66(1): 39-44, 2006.
Article in French | AIM (Africa) | ID: biblio-1266707

ABSTRACT

Compte tenu de la reemergence de la leishmaniose dans le monde; de la variabilite geographique de l'epidemiologie et de l'augmentation du nombre de voyageurs; une etude pilote sur le diagnostic de la leishmaniose cutanee a ete realisee a Constantine; l'un des foyers de l'est-algerien. 143 prelevements ont ete recoltes sur buvards et testes par PCR en temps reel et les resultats compares a ceux de l'examen direct. Le diagnostic de leishmaniose par PCR a ete positif dans 81des cas pour la PCR contre 48pour la microscopie. La PCR en temps reel a montre une difference quantitative significative entre les patients pour lesquels le diagnostic microscopique a ete positif et ceux dont l'examen direct a ete negatif. Les resultats presentes dans cette etude ont montre l'efficacite et la sensibilite de la PCR dans le diagnostic de la leishmaniose cutanee a partir des buvards. Avec cette technique; il a ete possible de realiser sur place un prelevement a chaque malade et d'obtenir des resultats dans un delai court. Une collabo ration Nord-Sud basee sur l'utilisation de moyens simples de transmission des echantillons pour le diagnostic moleculaire a permis de creer un partenariat efficace en terme de diagnostic quotidien et de favoriser ainsi l'echange de chercheurs afin de preparer le transfert de technologie


Subject(s)
Leishmaniasis, Cutaneous/diagnosis
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