CRP and pericardial effusion: It was found that compared with the survivor group in patients with TAAD, the patients in the non-survivor group were older, showed lower platelet count, higher white blood cell count, IMA (Fig. 2A), D-dimer, C-reactive protein, creatinine, and cTnT, and a higher proportion of pericardial effusion and conservative treatment (P < 0.05, Table 2).