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      Identificación de larvas productoras de miasis obtenidas del cepario de la Universidad Colegio Mayor de Cundinamarca con importancia en salud pública Translated title: Identification of Myasis-producing Larvae from the Universidad Colegio Mayor de Cundinamarca

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          Abstract

          Resumen Las miasis son infestaciones parasitarias en humanos y animales causadas por estadios larvarios de moscas; son de distribución mundial y son una enfermedad frecuente en nuestro medio. En la literatura solo existen algunos casos reportados; por lo cual, su verdadera incidencia es difícil de establecer debido al sub-registro y ausencia de tipificación de larvas. Objetivo. Identificar, clasificar y caracterizar morfológicamente las larvas causantes de miasis como base para futuras aplicaciones e intervenciones en salud pública. Materiales y métodos. Se analizaron 262 larvas obtenidas del cepario de la Universidad Colegio Mayor de Cundinamarca que se encontraban almacenadas sin ningún tipo de identificación, organización e historia. Resultados. Se realizó la identificación con estereoscopio y claves dicotómicas de las familias Cuterebridae, Oestridae y Calliphoridae. Las especies encontradas son asociadas a diferentes tipos de miasis humana y animal, entre ellas; Dermatobia hominis, Dermatobia cyaniventris, Oestrus ovis, Cochliomyia hominivorax y Lucilia sp. Discusión. Las formas más comunes de este parasitismo son cavitarias y forunculares; causadas por Dermatobia hominis y Cochliomyia hominivorax, sin embargo, éstas no son de reporte obligatorio ante los servicios médicos humanos. Por lo tanto, es indispensable la información y capacitación de profesionales de la salud para la correcta conservación, identificación y reporte de las larvas extirpadas en pacientes con miasis, hasta el punto de ser considerada una práctica de rutina en el diagnóstico clínico.

          Translated abstract

          Abstract Myiasis is the parasitic infestation of the body in humans and animals caused by larval stages of flies; such diseases are worldwide distributed and they are frequent in our environment. In the literature, there are only a few reports; therefore, its real incidence is difficult to be established due to sub-recorded cases and absence of larval typing. Objective. To identify, classify and morphologically characterize myasis-producing larvae of importance in public health. Material and methods. 262 larvae were analysed, obtained from the Universidad Colegio Mayor de Cundinamarca that were stored without any identification, organization and history. Results. Larvae were identified using a stereomicroscope and morphology was based on dichotomous keys of the Cuterebridae, Oestridae and Calliphoridae families. The species found are associated with different types of myiasis, including; Dermatobia hominis, D. cyaniventris, Oestrus ovis, Cochliomyia hominivorax, C. macellaria and Lucilia spp. Discussion. As a conclusion, we found that cavitary and foruncular were the most common forms of this parasitism in the collection from the Universidad Colegio Mayor de Cundinamarca. and that Dermatobia hominis and Cochliomyia hominivorax were the main involved species; however, these are not mandatory reporting species for medical services. Therefore, generating information about preservation, identification and recording of myasis-producing larvae, as well as training of professionals in public health might be considered as a routine practice for an accurate clinical diagnosis.

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          Most cited references38

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          Colombia: In vivo Test of Health Sector Privatization in the Developing World

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            Bacterias anaerobias: procesos que realizan y contribuyen a la sostenibilidad de la vida en el planeta

            Objetivo. Se realiza una revisión sobre los aspectos degradativos de materia orgánica, obtención de energía y nutrientes de las bacterias anaerobias. La importancia de estos microorganismos es el papel que desempeñan en los procesos que contribuyen al mantenimiento de la vida misma. Dentro del metabolismo para la descomposición de macromoléculas, estos microorganismos realizan varios procesos: hidrólisis, acetogénesis y metanogénesis, entre otros, cobija reacciones que se realizan dependiendo de las características particulares de la bacteria y de las funciones que cumplen dentro del ciclo degradativo, para la obtención de nuevos productos dependiendo de las rutas bioquímicas o procesos fermentativos que allí se desarrollan.
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              Seasonal variations in the larval burden distribution of Oestrus ovis in sheep in the southwest of Spain.

              A chronobiological study of oestrosis was conducted for larval instars of Oestrus ovis from November 2000 to September 2002 with the examination of 477 adult sheep of the southwest region of Spain. Skulls from slaughtered sheep were examined and the different O. ovis larval stages (L1, L2, L3) were recovered from the nasal-sinus cavities. O. ovis larvae were detected in 339 sheep, reaching a prevalence of 71.1%. Only one farm was free of infested sheep indicating a prevalence of the 97.91% among studied flocks. The mean larval burden was 18.54 larvae per infested head during the coldest months in the southwest of Spain when the larval burden reached its highest levels, especially of the first larval stage (L1). However, the maximum percentage of L1 coincided with the minimum percentage of the second larval stage (L2). The third larval stage (L3) was observed in relatively low levels during the entered study period, but two peaks occurred in April-May and in September-October. During the 2 years of sampling, all the different larval stages were simultaneously recovered throughout the year, indicating the existence of a long favourable period for the evolution and development of the larval instars, which would start between February and March and finishing in November.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                nova
                Nova
                Nova
                Universidad Colegio Mayor de Cundinamarca (Bogotá, Distrito Capital, Colombia )
                1794-2470
                December 2017
                : 15
                : 28
                : 79-91
                Affiliations
                [1] Bogotá Bogotá orgnameUniversidad Colegio Mayor de Cundinamarca orgdiv1Facultad de Ciencias de la Salud Colombia
                Article
                S1794-24702017000200079
                9aa76f62-7b32-4c4c-b8d7-49db7c34bdb8

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 13 February 2017
                : 29 June 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 38, Pages: 13
                Product

                SciELO Colombia


                Public Health,Miasis,Dermatobia hominis,Dermatobia cyaniventris,Oestrus ovis,Cochliomyia hominivorax,Lucilia sp.,salud pública,Myasis

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