Abstract
Blastocystis hominis is now gaining acceptance as an agent of human intestinal disease. A case-control study of the cause of gastroenteritis in children less than 6 years old was conducted. A total of 500 stool specimens were examined by wet mount preparation, formalin-ether concentration, Sheather's sugar flotation technique, and permanent stains when necessary. B. hominis was found in 63 (25%) of 250 stool specimens of the cases examined; 38 (15%) of these specimens contained this parasite alone. The appearance of severe symptoms was associated with increased numbers of the parasite in the diarrheic specimens (more than five parasites per field at a magnification of x 400). The most common symptoms were abdominal pain, recurrent diarrhea, cramps, anorexia, and fatigue. Contaminated water was suspected to be the major source of infection, since several cases were associated with Giardia infection. These findings support the concept of B. hominis pathogenicity in children with gastroenteritis.
Full text
PDFSelected References
These references are in PubMed. This may not be the complete list of references from this article.
- Clinical relevance of Blastocystis hominis. Lancet. 1984 Jun 2;1(8388):1233–1234. [PubMed] [Google Scholar]
- Cohen A. N. Ketoconazole and resistant Blastocystis hominis infection. Ann Intern Med. 1985 Sep;103(3):480–481. doi: 10.7326/0003-4819-103-3-480_2. [DOI] [PubMed] [Google Scholar]
- Garavelli P. L., Orsi P., Scaglione L. Blastocystis hominis infection during AIDS. Lancet. 1988 Dec 10;2(8624):1364–1364. doi: 10.1016/s0140-6736(88)90896-3. [DOI] [PubMed] [Google Scholar]
- Kain K. C., Noble M. A., Freeman H. J., Barteluk R. L. Epidemiology and clinical features associated with Blastocystis hominis infection. Diagn Microbiol Infect Dis. 1987 Dec;8(4):235–244. doi: 10.1016/0732-8893(87)90055-1. [DOI] [PubMed] [Google Scholar]
- LeBar W. D., Larsen E. C., Patel K. Afebrile diarrhea and Blastocystis hominis. Ann Intern Med. 1985 Aug;103(2):306–306. doi: 10.7326/0003-4819-103-2-306_1. [DOI] [PubMed] [Google Scholar]
- Llibre J. M., Tor J., Manterola J. M., Carbonell C., Foz M. Blastocystis hominis chronic diarrhoea in AIDS patients. Lancet. 1989 Jan 28;1(8631):221–221. doi: 10.1016/s0140-6736(89)91239-7. [DOI] [PubMed] [Google Scholar]
- Markell E. K., Udkow M. P. Blastocystis hominis: pathogen or fellow traveler? Am J Trop Med Hyg. 1986 Sep;35(5):1023–1026. doi: 10.4269/ajtmh.1986.35.1023. [DOI] [PubMed] [Google Scholar]
- Miller R. A., Minshew B. H. Blastocystis hominis: an organism in search of a disease. Rev Infect Dis. 1988 Sep-Oct;10(5):930–938. doi: 10.1093/clinids/10.5.930. [DOI] [PubMed] [Google Scholar]
- Qadri S. M., al-Okaili G. A., al-Dayel F. Clinical significance of Blastocystis hominis. J Clin Microbiol. 1989 Nov;27(11):2407–2409. doi: 10.1128/jcm.27.11.2407-2409.1989. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Ricci N., Toma P., Furlani M., Caselli M., Gullini S. Blastocystis hominis: a neglected cause of diarrhoea? Lancet. 1984 Apr 28;1(8383):966–966. doi: 10.1016/s0140-6736(84)92427-9. [DOI] [PubMed] [Google Scholar]
- Russo A. R., Stone S. L., Taplin M. E., Snapper H. J., Doern G. V. Presumptive evidence for Blastocystis hominis as a cause of colitis. Arch Intern Med. 1988 May;148(5):1064–1064. [PubMed] [Google Scholar]
- Sheehan D. J., Raucher B. G., McKitrick J. C. Association of Blastocystis hominis with signs and symptoms of human disease. J Clin Microbiol. 1986 Oct;24(4):548–550. doi: 10.1128/jcm.24.4.548-550.1986. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Taylor D. N., Houston R., Shlim D. R., Bhaibulaya M., Ungar B. L., Echeverria P. Etiology of diarrhea among travelers and foreign residents in Nepal. JAMA. 1988 Sep 2;260(9):1245–1248. [PubMed] [Google Scholar]
- Zierdt C. H. Blastocystis hominis, a long-misunderstood intestinal parasite. Parasitol Today. 1988 Jan;4(1):15–17. doi: 10.1016/0169-4758(88)90049-x. [DOI] [PubMed] [Google Scholar]
- Zierdt C. H. Blastocystis hominis--past and future. Clin Microbiol Rev. 1991 Jan;4(1):61–79. doi: 10.1128/cmr.4.1.61. [DOI] [PMC free article] [PubMed] [Google Scholar]