Cited by 21Fungal Infections and StudiesParasitic Infections and DiagnosticsBacterial Infections and Vaccines

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Cryptococcosis complicating diabetes mellitus: a scoping review

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Abstract

Background: A better understanding of the epidemiology of cryptococcal infection in HIV-negative individuals is an international research interest. Immune dysfunction in diabetes mellitus (DM) significantly increases the risk of acquiring and reactivation of infection due to Cryptococcus neoformans. Risk factors and outcomes of cryptococcosis in DM are not well documented. Objective: The objective of this study was to determine the clinical characteristics and outcomes of cryptococcal infections in persons living with DM. Methods: MEDLINE (via PubMed), EMBASE, and the Cochrane Library databases were searched in November 2020. The searches covered the period between 1980 and 2020.We included studies that reported confirmed cryptococcosis in patients with DM. Reference lists of included articles were also searched, and additional studies were included if appropriate. No language restriction was applied. Single case reports, case series and original articles were included whereas review articles were excluded. Results: A total of 28 studies (24 single case reports, 4 retrospectives) were included involving 47 unique patients from Asia (17 cases), North America (six cases), South America (three cases) and Africa (two cases). Men constituted 75% ( n = 18) of the cases. Median age was 60.5 (range: 27–79) years. The majority of the patients had cryptococcal meningitis (68.1%, n = 32) followed by disseminated cryptococcosis (6.4%, n = 7), and others (isolated cutaneous disease one, peritonitis one, pleural one, thyroid one, adrenal one). Diagnosis was achieved through either culture and microscopy (38/47), cryptococcal antigen tests (9/47) or histopathology (9/47) singly or in a combination. All-cause mortality was 38.3% ( n = 18). Among those with meningitis mortality was 36.2%. Conclusion: A wide spectrum of cryptococcal infections with varying severity occurs in DM. Mortality remains unacceptably high. There is a need for more studies to characterize better cryptococcal disease in DM.

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Metadata

Authors
Nsenga, L., Kajjimu, J., Olum, R., Ninsiima, S., Kyazze, A. P., Ssekamatte, P., Kibirige, D., Baluku, J. B., Andia-Biraro, I., & Bongomin, F.
Affiliations
  • Kabale University (UG)
  • Mbarara University of Science and Technology (UG)
  • Makerere University (UG)
  • Rubaga Hospital (UG)
  • Mildmay Uganda (UG)
  • Department of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
  • Gulu University (UG)
Corresponding author
Bongomin, Felix
Venue
Therapeutic Advances in Infectious Disease
Published
2021-01
Volume
8
Pages
20499361211014769-20499361211014769
ISSN
  • 2049-9361 (ISSN-L)
  • 2049-937X
OpenAlex
W3160025491
Cited by
21
References
1
Citations by year
2025: 3 · 2024: 6 · 2023: 7 · 2022: 3 · 2021: 2
FWCI
0.69
Type
journal article
Language
en
Open access
Locations
  • Therapeutic Advances in Infectious Disease (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • LSHTM Research Online (London School of Hygiene and Tropical Medicine) (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Fungal Infections and Studies
  • Life Sciences › Immunology and Microbiology › Parasitology › Parasitic Infections and Diagnostics
  • Life Sciences › Immunology and Microbiology › Microbiology › Bacterial Infections and Vaccines
Keywords
cryptococcosis, Cryptococcus neoformans, diabetes mellitus, cryptococcal meningitis, disseminated cryptococcosis, opportunistic fungal infection, immune dysfunction, mortality, risk factors, clinical outcomes, HIV-negative patients

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