LETTER TO THE EDITOR mL. Subsequently by hospital day 9, oxygen requirements improved to 6 L/min along with improvements in inflammatory markers and CXR infiltrates. On hospital day 11, patient again had increasing oxygen requirements to 11 L/min with up-trending LDH and worsening CXR infiltrates. Given this, a second dose of tocilizumab 400 mg was administered. Following this dose, patient had progressive improvement in hypoxia, inflammatory markers, as well as infiltrates on CXR. Patient was discharged on day 17 of hospitalization on 4 L/min of supplemental oxygen with resolved AKI and transaminitis. Figure 1 summarizes treatment therapies, oxygen requirement, and inflammatory markers during hospital course. Our case illustrated the utility of tocilizumab in treating SARS-CoV-2 induced inflammatory syndrome in a transplant recipient. Further randomized studies are necessary to confirm the benefit, optimal dosing, and timing of administration of IL-6Ra therapies in the management of COVID-19 in transplant recipients.
Aspergillus calidoustus, previously classified as Aspergillus ustus, is an emerging pathogen in immunocompromised persons. We describe four recent cases of A. calidoustus and review 37 additional cases of A. calidoustus (n = 8) or A. ustus (n = 29) published through June 2016. Twenty (49%) cases occurred in patients with hematologic malignancy and/or receipt of hematopoietic cell transplantation, and 13 (32%) occurred in solid organ transplant recipients. Antifungal susceptibility was reported in 49% of cases and in 42% treatment failed. Overall mortality was 66% and, where reported, attributable mortality was 30%. A. calidoustus infection is associated with a high mortality rate and frequently displays in vitro antifungal resistance.
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