期刊
MEDICAL MYCOLOGY
卷 61, 期 12, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/mmy/myad115
关键词
histoplasmosis; progressive disseminated histoplasmosis; epidemiology
This study retrospectively investigated patients with histoplasmosis from 2009 to 2019, finding that patients with progressive disseminated histoplasmosis (PDH) differ from those with other forms of histoplasmosis (OFH) in terms of higher rates of preexisting immunocompromising conditions and more chronic immunosuppression. Diagnosis of PDH was most frequently achieved through urinary or serum antigen testing, with higher rates of positivity compared to OFH. Median time to diagnosis was prolonged for both PDH and OFH. PDH patients received more liposomal amphotericin for treatment, but survival rates and treatment response were similar between the two groups. PDH patients were more often hospitalized, but there were no differences in hospital length of stay or intensive care unit admission rate.
Histoplasmosis, the most common endemic mycosis in North America, presents in a myriad of ways, spanning the spectrum from self-limiting pneumonia to progressive disseminated histoplasmosis (PDH). Toward better describing contemporary histoplasmosis syndromes, risks, and outcomes, this single-center retrospective cohort study was performed (2009-2019). The population who developed PDH was similar to that with other forms of histoplasmosis (OFH) except for higher rates of preexisting immunocompromising conditions (91.3% vs. 40%, P < .001) and a trend toward receiving more chronic immunosuppression (65.2% vs. 33.3%, P = .054) compared to those with OFH. Diagnosis was most frequently achieved by urinary or serum antigen positivity. People with PDH more frequently tested positive compared to those with OFH, but negative tests did not rule out histoplasmosis. Median time to diagnosis was prolonged among people with both PDH and OFH (32 vs. 31 days, respectively). Following diagnosis, people with PDH received more liposomal amphotericin (78.3% vs. 20%, P < .001). Subsequent survival at 90 and 365 days and treatment response were similar in both groups. Patients with PDH were more often hospitalized (95.7% vs. 60%, P = .006); however, once admitted, there were no differences in hospital length of stay or intensive care unit admission rate. The challenges of diagnosing histoplasmosis based on clinical presentation alone highlight the need for heightened awareness of these entities especially given the recent reports on expanded endemicity and delays in diagnosis.
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