Bleeding risk of image-guided percutaneous catheter drainage of pyogenic liver abscess in patients with coagulopathy.

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Percutaneous catheter drainage (PCD) is the mainstream treatment for pyogenic liver abscess (PLA). However, in some patients with severe coagulopathy, there may increase the risk of bleeding complications related to PCD. Therefore, this study was aimed to evaluate the incidence of bleeding complications of PCD in PLA patients complicated with coagulopathy. Between January 2011 and September 2019, patients diagnosed with PLA who had undergone PCD were selected retrospectively. Based on the preoperative coagulation parameters, the patients were divided into the coagulopathy group (PLT ≤ 50 × 109/L or INR ≥ 1.5) and the normal coagulation group. The major and minor bleeding complications related to PCD were compared between the two groups. The ICU occupancy and mortality rates in the coagulopathy group were assessed and compared with patients of normal coagulation group. A total of 583 PLA patients subjected to PCD were selected. 522 patients were finally included in this study: 64 cases (12.26%) in the coagulopathy group and 458 cases (87.74%) in the normal coagulation group. No major bleeding complications related to PCD was observed. Two patients (0.38%) of minor bleeding complications, one patient in each group, showed no statistically significant difference (0.2% vs.1.6%, P > 0.05). The ICU occupancy rate of coagulopathy group was significantly higher than normal coagulation group (6.2% vs. 0.7%, P < 0.05). No significant difference in mortality rate was noted between the two groups (4.7% vs.1.5%, P > 0.05). The incidence of bleeding complications related to PCD in PLA patients is rare even if complicated with coagulopathy.