The association between microfilaraemia and disease in lymphatic filariasis
1994; Royal Society; Volume: 256; Issue: 1345 Linguagem: Inglês
10.1098/rspb.1994.0045
ISSN1471-2954
AutoresE. Michael, Bryan T. Grenfell, Donald A. P. Bundy,
Tópico(s)Parasitic Diseases Research and Treatment
ResumoRestricted accessMoreSectionsView PDF ToolsAdd to favoritesDownload CitationsTrack Citations ShareShare onFacebookTwitterLinked InRedditEmail Cite this article Michael E. , Grenfell Bryan Thomas and Bundy D. A. P. 1994The association between microfilaraemia and disease in lymphatic filariasisProc. R. Soc. Lond. B.25633–40http://doi.org/10.1098/rspb.1994.0045SectionRestricted accessArticleThe association between microfilaraemia and disease in lymphatic filariasis E. Michael Google Scholar Find this author on PubMed Search for more papers by this author , Bryan Thomas Grenfell Google Scholar Find this author on PubMed Search for more papers by this author and D. A. P. Bundy Google Scholar Find this author on PubMed Search for more papers by this author E. Michael Google Scholar Find this author on PubMed , Bryan Thomas Grenfell Google Scholar Find this author on PubMed and D. A. P. Bundy Google Scholar Find this author on PubMed Published:22 April 1994https://doi.org/10.1098/rspb.1994.0045AbstractA standard tenet in the epidemiology of lymphatic filariasis is that patent infection is negatively related to chronic disease. We examine the empirical evidence for this relation by using published data from field studies carried out in a variety of bancroftian filariasis endemic areas. Meta-analysis of the individual study results for each disease category of hydrocele in males only, lymphoedema only, and both conditions combined (total chronic disease) indicate, contrary to expectation, no evidence for a negative association between infection and disease. Indeed, the trend of the empirical evidence is towards the opposite direction, with the majority of studies showing equal propensity of disease in microfilaraemics (mf + ves) and amicrofilaraemics (mf - ves), and more studies indicating a positive rather than a negative relation. There was also a trend for more positive studies for hydrocele compared to lymphoedema. Theoretical analysis suggests that between-study differences in blood sample volumes are unlikely to confound this finding. Analysis of between-study heterogeneity suggests that variations in the local incidence or prevalence of infection rather than unique geographical, including vector, differences might underlie the observed between-study variability in the microfilaraemia-disease association. These results are discussed in terms of dynamic explanations for infection-disease relations in lymphatic filariasis.FootnotesThis text was harvested from a scanned image of the original document using optical character recognition (OCR) software. As such, it may contain errors. Please contact the Royal Society if you find an error you would like to see corrected. Mathematical notations produced through Infty OCR. 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