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Brote urbano de leishmaniasis visceral en Neiva, Colombia / Urban outbreak of visceral leishmaniasis in Neiva (Colombia)
Zambrano-Hernandez, Pilar; Ayala-Sotelo, Martha S; Fuya-Oviedo, Patricia; Montenegro-Puentes, Carlos A; Aya-Vanegas, Nancy M; Aguilera-Jaramillo, Germán; Blázquez, Octavio; Becerra, Silvia; Lozano, Carlos; Rojas-García, María C; Rodríguez-Toro, Gerzain.
  • Zambrano-Hernandez, Pilar; Instituto Nacional de Salud. CO
  • Ayala-Sotelo, Martha S; Instituto Nacional de Salud. CO
  • Fuya-Oviedo, Patricia; Instituto Nacional de Salud. CO
  • Montenegro-Puentes, Carlos A; Secretário Municipal de Saúde Neiva. CO
  • Aya-Vanegas, Nancy M; Secretário Municipal de Saúde Neiva. CO
  • Aguilera-Jaramillo, Germán; Secretário Municipal de Saúde Neiva. CO
  • Blázquez, Octavio; Secretário Municipal de Saúde Neiva. CO
  • Becerra, Silvia; Secretário de Saúde da Huíla. CO
  • Lozano, Carlos; Secretário de Saúde da Huíla. CO
  • Rojas-García, María C; Secretário de Saúde da Huíla. CO
  • Rodríguez-Toro, Gerzain; Universidade de La Sabana. Faculdade de Medicina. CO
Rev. salud pública ; 17(4): 514-527, jul.-ago. 2015. ilus, tab
Article in Spanish | LILACS | ID: lil-767542
RESUMEN
Objetivo Estudiar clínica y epidemiológicamente focos de leishmaniasis visceral (LV) urbana en Neiva (Colombia). Materiales y Métodos Seis niños consultaron por hepato-esplenomegalia. Presentaban anemia y leucopenia. Se realizó biopsia por aspiración de medula ósea (5 pacientes) y de bazo (1 paciente). Se hizo búsqueda activa de casos en la comunidad y de anticuerpos anti-Leishmania infantum por inmunofluorescencia indirecta (IFI) en los sintomáticos y en reservorios caninos (IFI, rK39). Se hicieron visitas domiciliarias para educación comunitaria y búsqueda de vectores. Los pacientes recibieron Miltefosina, Anfotericina B o Glucantime®. Resultados Se confirmó LV en siete niños. En seis, el aspirado de medula ósea o bazo demostró amastigotes. La IFI fue positiva en 4 pacientes y negativa en 3. Un niño se detectó por búsqueda activa comunitaria, con clínica de LV, confirmada por IFI (132). La miltefosina no fue útil en 6 de los 7 casos. La Anfotericina B liposomal o deoxicolato, curó 6 pacientes y el Glucantime® uno. La seroprevalencia en 1182 caninos (IFI y rK39) fue de 6.1 %; los animales positivos fueron sacrificados. Se demostró Lu. longipalpis, vector de LV, en el peridomicilio. Conclusiones Demostramos LV urbana en dos comunas de Neiva. La confirmación diagnóstica incluyó aspiración de medula ósea e IFI. La Miltefosina no fue útil. La Anfotericina B liposomal fue la terapia ideal. Para controlar la LV es necesario hacer BAC, educación comunitaria, control de vectores y reservorios.(AU)
ABSTRACT
Objective Characterize the foci of visceral leishmaniasis infection in Neiva with a clinical and epidemiological approach. Materials and Methods Six children consulted medical services with hepatosplenomegaly. They were found to have anemia and leukopenia. The diagnosis was performed by bone marrow (five patients) and spleen (1 patient) aspiration. An active search for cases was carried out in the community. Anti-Leishmania infantum antibodies were also sought out using indirect immunofluorescence (IIF) in symptomatic patients and in dogs (IFI, rK39). House calls were made in order to carry out educational activities and to collect disease vectors. Patients received miltefosine, amphotericin B or Glucantime®. Results LV was confirmed in seven children. In six of them, the bone marrow or spleen aspirate contained amastigotes. The IIF was positive in 4 patients and negative in 3. One child was detected throught the active community search, confirmed by the clinic with IIF (132). Six patients were cured with liposomal amphotericin B (o deoxycholate) and one patient was cured with Glucantime®. The canine seroprevalence in 1182 dogs was 6.1% (IFI and rK39); the positive animals were destroyed. L. longipalpis was found in the houses. This is the principal vector of LV in Colombia. Conclusions The study showed that two zones of Neiva have children infected with LV. Diagnostic confirmation must include aspiration of bone marrow and IIFs. Treatment with miltefosine was not helpful, but liposomal amphotericin B is an ideal therapy. To control LV, active case searching, community education and vector and reservoir control is necessary.(AU)
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Leishmania infantum / Leishmaniasis, Visceral Limits: Humans Country/Region as subject: South America / Colombia Language: Spanish Journal: Rev. salud pública Journal subject: Public Health Year: 2015 Type: Article Affiliation country: Colombia Institution/Affiliation country: Instituto Nacional de Salud/CO / Secretário Municipal de Saúde Neiva/CO / Secretário de Saúde da Huíla/CO / Universidade de La Sabana/CO

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Full text: Available Index: LILACS (Americas) Main subject: Leishmania infantum / Leishmaniasis, Visceral Limits: Humans Country/Region as subject: South America / Colombia Language: Spanish Journal: Rev. salud pública Journal subject: Public Health Year: 2015 Type: Article Affiliation country: Colombia Institution/Affiliation country: Instituto Nacional de Salud/CO / Secretário Municipal de Saúde Neiva/CO / Secretário de Saúde da Huíla/CO / Universidade de La Sabana/CO