Abstract
The upsurge of candidemia in the past years has been an immense encumbrance on public health and the number of deaths caused by candidemia particularly in critical care unit patients is devastating. Candida species harbor a 30% - 60% mortality rate and compared to stable people or those with less serious illnesses, this ranges from 60% to 80% of those who are chronically ill patients. Grounded on a recent report from a tertiary care hospital in Kenya showing the emergence of previously unobserved species: Candida auris, this study aimed to determine the prevalence, species distribution, and antifungal susceptibility profile of candidemia in critical care unit patients of the hospital. 378 Critical Care Unit patients were enrolled for the study from January 2019 to January 2020. Positive archived isolates were sub-cultured using Saboraud Dextrose Agar. Candida species were identified utilizing API20C AUX and Vitek-2. Antifungal susceptibility testing was conducted using the Liofilchem MIC Test strip. Out of 378 patients, thirty-one presented a positive culture for Candida species. The prevalence of Candidemia was 8.2% with 9 (29.03%) Candida auris, 8 (25.81%) Candida albicans, 6 (19.35%) Candida parapsilosis, 3 (9.68%) Candida famata, 3 (9.68%) Candida tropicalis, 1 (3.23%) Candida duobushaemolumonii, and 1 (3.23%) Candida lusitaniae. A resistance pattern to Fluconazole was observed among Candida auris and Candida parapsilosis, and resistance to Flucytosine was observed in Candida tropicalis, whereas susceptible MIC values were obtained for the other drugs. There is an increase in candidemia among critical care unit patients in the health facility posing a public health challenge. Moreover, the onset of new species Candida auris which is unprecedented in Kenya warrants enhanced infection control, and the uniform resistance of Candida auris, Candida parapsilosis, and Candida tropicalis towards Fluconazole and Flucytosine necessitate constant drug monitoring for empirical treatment regime. In contrast, the high potency of Echinocandins and Amphotericin-B demonstrate them as the drug of choice.
Highlights
Fungal infections, explicitly Candida species have been the major cause of mortality and morbidity in hospitalized patients and predominantly in the Critical Care Units [1] [2]
The upsurge of candidemia in the past years has been an immense encumbrance on public health and the number of deaths caused by candidemia in critical care unit patients is devastating
Grounded on a recent report from a tertiary care hospital in Kenya showing the emergence of previously unobserved species: Candida auris, this study aimed to determine the prevalence, species distribution, and antifungal susceptibility profile of candidemia in critical care unit patients of the hospital
Summary
Explicitly Candida species have been the major cause of mortality and morbidity in hospitalized patients and predominantly in the Critical Care Units [1] [2]. In the USA, Candida species are considered as the third or fourth most causative agent of healthcare-acquired infections [5] and lead to a 30% - 60% mortality rate of hospitalized patients [6]. These are associated with changes in the individuals’ physiology and immunocompromised state which results in severe infections [3]. As a result of these infections, expanded costs in healthcare are incurred, ranging from $35,000 to $68,000 for a single candidemia case in the United States [8]
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