... Figure 1. Changes in markers of coagulation activation in bronchoalveolar uid before and after 2 days of nebulized heparin. Each line represents a single patient (*P <0.01, **P ... **P <0.001, paired t test). FDP, brin degradation product; NS, not signi cant; PAI-1, plasminogen activator activity; TATc, thrombin-antithrombin complex.Dixon et al. Critical Care 2010, ... thrombin-antithrombin complex.Dixon et al. Critical Care 2010, 14:445 http://ccforum.com/content/14/5/445Page 2 of 2...