https://www.selleckchem.com/pr....oducts/nutlin-3a.htm
To assess the ability of procalcitonin (PCT) to distinguish between bacterial and nonbacterial causes of patients with severe acute exacerbation of COPD (AECOPD) admitted to the ICU, we conducted a retrospective analysis of two prospective studies including 375 patients with severe AECOPD with suspected lower respiratory tract infections. PCT levels were sequentially assessed at the time of inclusion, 6h after and at day 1, using a sensitive immunoassay. The patients were classified according to the presence of a documented bacterial