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Arch Dermatol. 2005 Oct;141(10):1227-31.

Eosinophilic folliculitis: before and after the introduction of antiretroviral therapy.

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  • 1School of Medicine, University of California, San Francisco, USA.

Abstract

OBJECTIVE:

To characterize the relationship of new eosinophilic folliculitis (EF) cases between June 30, 1994, and January 5, 2000, and antiretroviral therapy (ART) status and immune reconstitution.

DESIGN:

Retrospective cohort analysis.

SETTING:

Dermatology clinics at a county hospital.

SUBJECTS:

Fifty-seven consecutive subjects with biopsy-proved EF from the pathology database. Subject groups were as follows: naïve to ART, receiving ART without protease inhibitors/nonnucleoside reverse transcriptase inhibitors, and receiving ART containing protease inhibitors/nonnucleoside reverse transcriptase inhibitors.

MAIN OUTCOME MEASURES:

Onset of EF, CD4 cell count and nadir at EF onset, and time of ART initiation.

RESULTS:

Among the 3 groups previously described, mean CD4 cell counts (86.26/microL vs 113.82/microL vs 145.65/microL, respectively [Kruskal-Wallis rank sum test, P = .15]) and nadir (68.43/microL vs 66.18/microL vs 64.17/microL, respectively [Kruskal-Wallis rank sum test, P = .41]) at EF diagnosis were not statistically different. Fifty-two subjects (91%), regardless of treatment group, had a nadir below 200/microL. Of the subjects undergoing ART, 28 (82%) developed EF within 6 months of initiating ART; their average CD4 cell count increase was 108/microL. Of the 23 subjects receiving protease inhibitor/nonnucleoside reverse transcriptase inhibitor-containing ART regimens, 17 (74%) were diagnosed as having EF within 3 months, with 4 additional subjects diagnosed as having EF within 6 months (a total of 21 [91%] of the 23 subjects). This is not significantly different from the 7 (64%) of 11 subjects diagnosed as having EF at 3 and 6 months of starting ART without protease inhibitors/nonnucleoside reverse transcriptase inhibitors (P = .07) (odds ratio, 0.18; 95% confidence interval, 0.01-1.54).

CONCLUSIONS:

Our study shows an association between low nadir (66.28/microL) and low CD4 cell count (115.54/microL) and the development of EF, regardless of subjects' ART status. However, most subjects receiving ART were diagnosed as having EF within 3 to 6 months of ART initiation, regardless of the regimen.

PMID:
16230559
[PubMed - indexed for MEDLINE]
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