
handle: 10553/48029
Context A prospective study has been conducted in order to known the prevalence and the type of intestinal parasitoses in a cohort of healthy subsaharian immigrants that reached Gran Canaria along the year 2000. Methods 348 fecal samples of 121 immigrants have been studied. In each patient a minimum of two samples and a maximum of three samples was studied. Each sample was evaluated through two techniques: visualization of a direct preparation dyed with Lugol and through the technique of concentration of Kato. Results 23.1% of the patients presented pathogenic parasites in feces, being observed 2 parasites in 5 of the patients (17.8%). The geohelminths (Ancylostoma duodenale/Necator americanus, Ascaris lumbricoides, Trichuris trichiura and Strongyloides stercolaris) were the parasites more frequently found (87.9%). Specifically, the parasitosis found in the greatest number of participants was hookworm disease (44.8%). In this study the effectiveness of the evaluation of three feces samples is demonstrated in order to increase the percentage of diagnosed intestinal parasitoses. The visualization of a direct preparation dyed with Lugol permitted the diagnosis of 63.6% of the parasitoses, while the technique of Kato detected 56.6% of the helminth infections. Conclusions The prevalence of geohelminthis in the asymptomatic Subsaharian immigrant population is elevated. The complementary use of the microscopic study of a direct preparation dyed with Lugol and the technique of Kato increase the diagnostic performance.
Fundamento Realizamos un estudio prospectivo para conocer la prevalencia y el tipo de parasitosis intestinal en una cohorte de inmigrantes subsaharianos sanos llegados a Gran Canaria durante el año 2000. Métodos Se han estudiado 348 muestras fecales de 121 inmigrantes. Se estudió un mínimo de dos y un máximo de tres muestras de cada paciente. Cada muestra fue estudiada mediante dos técnicas: visualización de una preparación directa teñida con lugol y mediante la técnica de concentración de Kato. Resultados Un 23,1% de los pacientes presentaban parásitos patógenos en heces, observándose en 5 de ellos 2 parásitos (17,8%). Los geohelmintos (Ancylostoma duodenale/Necator americanus, Ascaris lumbricoides, Trichuris trichiura y Strongyloides stercoralis) fueron los parásitos más frecuentemente encontrados (87,9%). Específicamente la parasitosis encontrada en el mayor número de personas fue la uncinariasis (44,8%). En este estudio comprobamos la eficacia del empleo de tres muestras de heces para incrementar el porcentaje de parasitosis intestinales diagnosticadas. La visualización de una preparación directa teñida con lugol permitió el diagnóstico del 63,6% de las parasitosis, mientras que la técnica de Kato detectó el 56,6% de las helmintiasis. Conclusiones La prevalencia de geohelmintos en la población inmigrante subsahariana asintomática es elevada. El uso complementario de la visión de una preparación directa teñida con lugol y la técnica de Kato incrementan el rendimiento diagnóstico.
0,287
SCIE
17
14
Q4
4
Intestinal parasites, Inmigrantes subsaharianos, Parásitos intestinales, 3205 Medicina interna, 32 Ciencias médicas, Subsaharian immigrants
Intestinal parasites, Inmigrantes subsaharianos, Parásitos intestinales, 3205 Medicina interna, 32 Ciencias médicas, Subsaharian immigrants
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