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Ocaña-Losada C, Cuenca-Gómez JA, Cabezas-Fernández MT, et al. Características clínicas y epidemiológicas de la parasitación intestinal por Blastocystis hominis. Clinical and epidemiological characteristics of intestinal parasite infection by Blastocystis hominis. Rev Clin Esp (Barc). 2018;218(3):115-120doi: 10.1016/j.rce.2018.01.003.
Ocaña-Losada, C., Cuenca-Gómez, J. A., Cabezas-Fernández, M. T., Vázquez-Villegas, J., Soriano-Pérez, M. J., Cabeza-Barrera, I., & Salas-Coronas, J. (2018). Características clínicas y epidemiológicas de la parasitación intestinal por Blastocystis hominis. Clinical and epidemiological characteristics of intestinal parasite infection by Blastocystis hominis. Revista clinica espanola, 218(3), 115-120. https://doi.org/10.1016/j.rce.2018.01.003
Ocaña-Losada, C, et al. "Características clínicas y epidemiológicas de la parasitación intestinal por Blastocystis hominis." Clinical and epidemiological characteristics of intestinal parasite infection by Blastocystis hominis. Revista clinica espanola vol. 218,3 (2018): 115-120. doi: https://doi.org/10.1016/j.rce.2018.01.003
Ocaña-Losada C, Cuenca-Gómez JA, Cabezas-Fernández MT, Vázquez-Villegas J, Soriano-Pérez MJ, Cabeza-Barrera I, Salas-Coronas J. Características clínicas y epidemiológicas de la parasitación intestinal por Blastocystis hominis. Clinical and epidemiological characteristics of intestinal parasite infection by Blastocystis hominis. Rev Clin Esp (Barc). 2018 Apr;218(3):115-120. doi: 10.1016/j.rce.2018.01.003. Epub 2018 Feb 15. Spanish. PMID: 29455921.
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Rev Clin Esp (Barc). 2018 Apr;218(3):115-120. doi: 10.1016/j.rce.2018.01.003. Epub 2018 Feb 15.

Clinical and epidemiological characteristics of intestinal parasite infection by Blastocystis hominis.

Revista clinica espanola

[Article in Spanish]
C Ocaña-Losada, J A Cuenca-Gómez, M T Cabezas-Fernández, J Vázquez-Villegas, M J Soriano-Pérez, I Cabeza-Barrera, J Salas-Coronas

Affiliations

  1. Unidad de Medicina Tropical, Hospital de Poniente, El Ejido, Almería, España. Electronic address: [email protected].
  2. Unidad de Medicina Tropical, Hospital de Poniente, El Ejido, Almería, España; RICET (Red de Investigación Cooperativa en Enfermedades Tropicales), España.
  3. Unidad de Medicina Tropical, Hospital de Poniente, El Ejido, Almería, España; RICET (Red de Investigación Cooperativa en Enfermedades Tropicales), España; CEMyRI (Centro de Estudios de las Migraciones y Relaciones Interculturales), Universidad de Almería, Almería, España.
  4. RICET (Red de Investigación Cooperativa en Enfermedades Tropicales), España; Unidad de Medicina Tropical, Distrito Poniente, Almería, España.

PMID: 29455921 DOI: 10.1016/j.rce.2018.01.003

Abstract

OBJECTIVES: Blastocystis hominis (B. hominis) is one of the most common intestinal parasites isolated in humans. The parasite can cause gastrointestinal symptoms or, in most cases, remain asymptomatic. There are issues concerning the parasite's pathogenic character. The aim of this study was to analyse the clinical and epidemiological characteristics of the parasite infection by B. hominis, with or without other parasitic co-infections.

PATIENTS AND METHODS: An observational retrospective study was conducted of B. hominis isolates in faeces from October 2004 to March 2016 in a tropical medicine unit. We reviewed all patients with a parasite infection, exclusively or not by B. hominis.

RESULTS: We studied 3070 patients, 570 (18%) of whom were diagnosed with B. hominis infection, which was the only isolate in 245 (43%) of the 570 patients. A total of 325 (57%) patients presented other parasitic co-infections (Entamoeba histolytic or Entamoeba dispar, Strongyloides stercoralis, hookworm and Schistosoma spp.). The main symptom was abdominal pain (41.8%). In 31.2% of cases, the parasite was detected in the imported diseases screening of asymptomatic patients. Of those who underwent treatment with metronidazole, 78.2% improved. The parasite was neutralised in 82.6% of the patients.

CONCLUSIONS: Parasite infection by B. hominis is one of the most common diseases in our tropical medicine unit. Most patients are asymptomatic, or their symptoms can be attributed to other parasite infections. In those cases in which symptoms persist without being able to attribute them to other causes, a specific treatment is recommended.

Copyright © 2018 Elsevier España, S.L.U. and Sociedad Española de Medicina Interna (SEMI). All rights reserved.

Keywords: Alteraciones gastrointestinales; Blastocystis hominis; Coparasitaciones; Gastrointestinal disorders; Intestinal parasitosis; Metronidazol; Metronidazole; Parasitic co-infections; Parasitosis intestinales

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