Fig. 3
Schedule of enrollment, follow-up, and assessments. Basline0: screening of laboratory tests can be accepted the previous week in our hospital inspection report. Stent removal1: time from stenting to postoperative withdrawal (33 ± 3 days). Blood routine2: hemoglobin (HGB), erythrocyte count (RBC), platelet count (PLT), leukocyte count (WBC), neutrophil percentage (%), lymphocyte percentage (%). Liver and kidney function3: alanine aminotransferase (ALT), aspartate aminotransferase (AST), total bilirubin, direct bilirubin (DBIL), indirect bilirubin (IBIL), alkaline phosphatase (ALP), glutamyl transferase (GGT), blood urea nitrogen (BUN), creatinine (Cr). Coagulation function4: prothrombin time (PT), fibrinogen (FIB), activated partial thromboplastin time (APTT), thrombin time (TT). Serum amylase5: assessed 3 h and 24 h after the operation. CT6: preoperative and postoperative enhanced CT examination, 3 months and 6 months postoperative CT examination. The primary endpoint7: immediate success rate of surgery, drainage success rate 1 month after surgery. Secondary endpoints8: the incidence of clinical complications, operation time, the recurrence rate of pancreatic pseudocyst within 1 month and 1 month after the operation, and secondary interventions