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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/4749


    Title: Increased risk for entamoeba histolytica infection and invasive amebiasis in HIV seropositive men who have sex with men in Taiwan
    Authors: Hung, CC;Ji, DD;Sun, HY;Lee, YT;Hsu, SY;Chang, SY;Wu, CH;Chan, YH;Hsiao, CF;Liu, WC;Colebunders, R
    Contributors: Division of Biostatistics and Bioinformatics
    Abstract: Background: Incidence of Entamoeba histolytica infection and clinical manifestations and treatment response of invasive amebiasis (IA) in HIV-infected patients have rarely been investigated before. Methodology/Principal Findings: At the National Taiwan University Hospital, medical records of HIV-infected patients who received a diagnosis of IA between 1994 and 2005 were reviewed. The incidence of amebiasis was investigated in serial blood and stool samples from 670 and 264 HIV-infected patients, respectively, using serological and specific amebic antigen assays. DNA extracted from stool samples containing E. histolytica were analyzed by PCR, sequenced, and compared. Sixty-four (5.8%) of 1,109 HIV-infected patients had 67 episodes of IA, and 89.1% of them were men having sex with men (MSM). The CD4 count at diagnosis of IA was significantly higher than that of the whole cohort (215 cells/mu L vs. 96 cells/mu L). Forty episodes (59.7%) were liver abscesses, 52 (77.6%) colitis, and 25 (37.3%) both liver abscesses and colitis. Fever resolved after 3.5 days of metronidazole therapy (range, 1-11 days). None of the patients died. The incidence of E. histolytica infection in MSM was higher than that in other risk groups assessed by serological assays (1.99 per 100 person-years [PY] vs. 0 per 100 PY; p < 0.0001) and amebic antigen assays (3.16 per 100 PY vs. 0.68 per 100 PY; p = 0.12). In multiple logistic regression analysis, only MSM was significantly associated with acquisition of E. histolytica infection (adjusted odds ratio, 14.809; p = 0.01). Clustering of E. histolytica isolates by sequencing analyses from geographically-unrelated patients suggested person-to-person transmission. Conclusions/Significance: HIV-infected MSM were at significantly higher risk of amebiasis than patients from other risk groups. Despite immunosuppression, amebic liver abscesses and colitis responded favorably to treatment.
    Date: 2008-02
    Relation: PLoS Neglected Tropical Diseases. 2008 Feb;2(2):Article number e175
    Link to: http://dx.doi.org/10.1371/journal.pntd.0000175
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1935-2735&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000261806500004
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=48949107728
    Appears in Collections:[蕭金福] 會議論文/會議摘要

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