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Respir Med. 2012 May;106(5):724-9. doi: 10.1016/j.rmed.2012.01.014. Epub 2012 Feb 19.

Clinical characteristics and prognosis of chronic pulmonary aspergillosis.

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1
Department of Respiratory Medicine, Tenryu Hospital, National Hospital Organization, 4201-2, Hamamatsu 434-8511, Japan.

Abstract

BACKGROUND:

The details of the clinical characteristics of patients with chronic pulmonary aspergillosis (CPA) have not been fully understood.

METHOD:

One hundred twenty-nine consecutive patients with isolation of Aspergillus species by culture from respiratory specimens who attended our hospital between October 2001 and September 2009 were enrolled. Patients diagnosed with chronic pulmonary aspergillosis (CPA) were retrospectively reviewed for clinical characteristics and prognosis, compared with patients with Aspergillus species colonization.

RESULTS:

Forty-two (32.6%) were diagnosed with CPA, whereas 87 (67.4%) with colonization. Aspergillus fumigatus was significantly more frequently detected in the CPA group than in the colonization group. Regarding underlying diseases, CPA patients had a significantly higher prevalence of a history of pulmonary tuberculosis and diabetes mellitus than colonization patients. There were no significant differences between the CPA and colonization group in Aspergillus antigen titers. Positivity for Aspergillus precipitating antibody was 74.3% in CPA and 15.8% in colonization, respectively. Sensitivity and specificity of Aspergillus precipitating antibody for the determination of CPA was 74.4% and 84.1%, respectively.Patients with CPA had significantly shorter survival than patients with colonization (mortality rate 50.0% vs. 13.8%, observation periods: 28.7 ± 26.6 months) (p < 0.0001). Multivariable analysis revealed that BMI was an independent predictor of prognosis (Odds Ratio, 1.973; p = 0.0223).

CONCLUSIONS:

CPA is a disease with a poor prognosis, which shows distinct clinical characteristics from colonization.

PMID:
22349065
DOI:
10.1016/j.rmed.2012.01.014
[Indexed for MEDLINE]
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