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oa Wits Journal of Clinical Medicine - A case–control study of candidaemia in very low birthweight infants in a tertiary hospital in Johannesburg - research article

Volume 2 Number 1
  • ISSN : 2618-0189
  • E-ISSN: 2618-0197

 

Abstract

Background: Candidaemia is a significant cause of morbidity and mortality in infants. The mortality rate ranges between 21% and 76%. Non-albicans Candida (NAC) species are increasing in incidence as well as resistance to azoles. Very low birthweight (VLBW) infants have numerous risk factors which predispose them as a group to invasive candidaemia.

Methods:
A retrospective case–control study of candidaemia in VLBW infants admitted to the neonatal unit at Charlotte Maxeke Johannesburg Hospital between 1 January 2015 and 31 December 2017 was undertaken. Clinical and demographic characteristics of VLBW infants who developed candidaemia, commonest Candida species, antifungal susceptibility profiles and outcomes (death) were identified. A total of 71 infants with confirmed positive blood cultures for candidaemia from the National Health Laboratory Services database were selected, and each case was allocated 3 controls; the final sample comprised 284 infants.

Results: Bacterial sepsis, chronic lung disease, necrotising enterocolitis (NEC) and NEC surgery, other surgery, anaemia and ventilation, all showed a strong association with development of candidaemia in the infants. The most common isolate was Candida parapsilosis (59.1%), followed by Candida albicans (30.9%). The cases of candidaemia overall and NAC isolates increased over the study years. Resistance to azoles by NAC was demonstrated. Mortality was 31.2% and 28.2% in controls and cases, respectively. The difference in death between the two groups was not statistically significant.

Conclusions: The study demonstrated an increasing rate of candidaemia, predominance of NAC isolates and increased resistance to azoles. Stricter infection control measures and medical intervention strategies should be implemented.

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/content/journal/10520/EJC-1b9beb88b6
2020-03-06
2020-09-27

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