Abstract
Objectives
This study aimed to compare the clinical characteristics and outcomes of patients with isolated respiratory and extrarespiratory mucormycosis.
Methods
Adult patients diagnosed with proven or probable invasive mucormycosis in a tertiary hospital in South Korea, between 1999 and 2020 were retrospectively reviewed. We compared the clinical, mycological characteristics, and outcomes of patients with isolated respiratory mucormycosis (IRM) and those with extrarespiratory mucormycosis (ERM).
Results
A total of 44 patients including 32 (72%) with IRM, and 12 (27%) with ERM were enrolled. Of these, 38 (86%) were classified as proven and 6 (14%) as probable invasive mucormycosis according to the EORTC/MSG criteria. Univariate analysis exhibited that old age, surgery, and intensive care unit were associated with ERM, and multivariable analysis revealed that variable associated with ERM was intensive care unit (aOR 9.80; 95% CI 2.07–46.35; P = 0.004). There were no significant differences in 90-day mortality between patients with IRM and ERM (38% vs 50%, P = 0.45). In multivariable analysis, neutropenia (aOR 6.88; 95% CI 1.67–28.27; P = 0.01) was an independent risk factor for 90-day mortality.
Conclusions
More than a quarter of patients with mucormycosis had extrarespiratory manifestations, especially in patients who were admitted to intensive care unit. The mortality of the patients with ERM was comparable to that of the patients with IRM, although the patients with ERM received ICU care more frequently.
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Funding
This work was supported by a grant from the Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (grant no. HI20C0073).
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Conceptualization: HS, S-HK; methodology: HS, S-HK; data curation: HS, H-JS, SC; software, formal analysis: HS; writing—original draft: HS; writing—review and editing: S-HK; supervision: JJ, MJK, YPC, JSS, S-OL, S-HC, YSK; funding acquisition: S-HK.
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Seo, H., Son, HJ., Choi, S. et al. Comparison of isolated respiratory and extrarespiratory mucormycosis: a 21-year observational study of 44 cases. Infection 50, 1313–1320 (2022). https://doi.org/10.1007/s15010-022-01831-w
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DOI: https://doi.org/10.1007/s15010-022-01831-w