Cryptococcal antigen among HIV۱-infected individuals in north-central Nigeria

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نوع سند: مقاله ژورنالی
زبان: English
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JR_CUMM-6-2_008

تاریخ نمایه سازی: 11 آذر 1402

Abstract:

Background and Purpose: The potential for the invasion of the central nervous system by Cryptococcus species is underscored by the presence of this organism in the blood of immunocompromised individuals. Early adoption of sensitive methods for the diagnosis of Cryptococcus species will reduce the high morbidity and mortality associated with this disease. Regarding this, the aim of the present research was to detect cryptococcal antigen among HIV۱- infected individuals in north-central Nigeria. Materials and Methods: This prospective cross-sectional study was carried out on HIV-۱ infected individuals accessing care at three health facilities in north-central Nigeria between November ۲۰۱۴ and March ۲۰۱۷. For the purpose of the study, blood samples were collected from ۳۰۰ HIV۱-infected individuals within the age group of ۳-۶۵ years. The CD۴+ T-cell count was determined, and the samples were analyzed for cryptococcal antigenemia using the methods of lateral flow assay (LFA) and culture technique. Results: Cryptococcus antigen was detected in ۱۹.۶۷% (۵۹/۳۰۰) of the patients, and only ۲۵.۴% (۱۵/۵۹) of the LFA-positive samples showed Cryptococcus species growth on Sabouraud dextrose agar after ۳ days. Furthermore, fungal growth was observed in one of the specimens, which was LFA negative. Additionally, ۳۰ of the ۵۹ LFA-positive patients had cryptococcal antigen in their serum with a CD۴+ T-cell count of < ۱۵۰ cells/mm۳. Conclusion: As the findings of the present study indicated, infection with Cryptococcus species is a problem among HIV-infected patients in the region under study. Therefore, all HIV patients, especially those with a CD۴+ T-cell count of < ۱۵۰ cells/mm۳, referring to the HAART clinics in Nigeria, should be screened for cryptococcal antigen.

Authors

Chimezie Ezenabike

Department of Medical Microbiology and Parasitology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria

Oluwaseyi Ashaka

Department of Medical Microbiology and Parasitology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria

Adesuyi Omoare

Department of Medical Microbiology and Parasitology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria

Abayomi Fadeyi

Department of Medical Microbiology and Parasitology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria

Alakija Salami

Department of Medicine, College of Health Sciences, University of Ilorin, Ilorin, Nigeria.

Olajide Agbede

Department of Medical Microbiology and Parasitology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria

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