Pneumonia verification

Besides the detection of pneumonia, the exclusion of pneumonia is a relevant information for the referring physician. Therefore the time point of pneumonia verification (by CXR or microbiology) has been evaluated in (Heussel et al. 1999) to assess the negative predictive value of HRCT. In patients with normal HRCT pneumonia verification happened rarely, slowly, and con-... 

Fig. 27.4. Number of HRCT demonstrating an infiltrate (shaded) or no infiltrate (white) with normal CXR the same day in neutropenia and empirical antibiotic therapy (ABx). The verification of pneumonia was done either by detection of...

Fig. 27.5. Probability of verification of pneumonia by either detection of an infiltrate on a CXR or evidence of a relevant micro-organism during follow-up after HRCT. Kaplan-Meier analysis for patients with normal HRCT scans (grey line) and patients with pnemiionia on HRCT scans (black line). The dif-...

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