The effect of technical details of percutaneous catheter drainage on the clinical outcomes of infected necrotizing pancreatitis patients

Background/aim: This study aimed to investigate the effect of technical details of percutaneous catheter drainage (PCD) on the clinical outcomes of patients with infected necrotizing pancreatitis (INP). Materials and methods: A total of 44 INP patients treated in our hospital from October 2013 to October 2015 were included. The correlations of the first PCD treatment data and the clinical outcomes were analyzed. Results: The number of catheters was positively correlated with hospital readmission (r = 0.335, P = 0.032). Receiver operating characteristic curve analysis showed that patients with ≥ 3 catheters were more likely to have hospital readmission. Patients with pleural effusion undergoing thoracentesis were more likely to have new intensive care unit admission (P = 0.025) and bleeding in need of intervention (P = 0.032). Patients with more effusion regions had higher incidences of mortality (P = 0.012) and new intensive care unit admissions (2.44 ± 1.03 vs. 1.88 ± 0.80; P = 0.059). Patients with PCD only were less likely to have new intensive care unit admissions (22.22% vs. 54.55%; P = 0.038) than those with PCD + small incision or/and videoscopic assisted retroperitoneal debridement. Conclusion: Number of catheters greater than three was associated with unfavorable outcomes of PCD treatment in INP patients. Patients that received PCD treatment only had better outcomes.

Timing, distribution, and microbiology of infectious complications after necrotizing pancreatitis.

BACKGROUND: Acute pancreatitis (AP) is a common acute abdominal disease worldwide, and its incidence rate has increased annually. Approximately 20% of AP patients develop into necrotizing pancreatitis (NP), and 40% to 70% of NP patients have infectious complications, which usually indicate a worse prognosis. Infection is an important sign of complications in NP patients. AIM: To investigate the difference in infection time, infection site, and infectious strain in NP patients with infectious complications. METHODS: The clinical data of AP patients visiting the Department of General Surgery of Xuanwu Hospital of Capital Medical University from January 1, 2014 to December 31, 2018 were collected retrospectively. Enhanced computerized tomography or magnetic resonance imaging findings in patients with NP were included in the study. Statistical analysis of infectious bacteria, infection site, and infection time in NP patients with infectious complications was performed, because knowledge about pathogens and their antibiotic susceptibility patterns is essential for selecting an appropriate antibiotic. In addition, the factors that might influence the prognosis of patients were analyzed. RESULTS: In this study, 539 strains of pathogenic bacteria were isolated from 162 patients with NP infection, including 212 strains from pancreatic infections and 327 strains from extrapancreatic infections. Gram-negative bacteria were the main infectious species, the most common of which were Escherichia coli and Pseudomonas aeruginosa. The extrapancreatic infection time (9.1 ± 8.8 d) was earlier than the pancreatic infection time (13.9 ± 12.3 d). Among NP patients with early extrapancreatic infection (< 14 d), bacteremia (25.12%) and respiratory tract infection (21.26%) were predominant. Among NP patients with late extrapancreatic infection (> 14 d), bacteremia (15.94%), respiratory tract infection (7.74%), and urinary tract infection (7.71%) were predominant. Drug sensitivity analysis showed that P. aeruginosa was sensitive to enzymatic penicillins, third- and fourth-generation cephalosporins, and carbapenems. Acinetobacter baumannii and Klebsiella pneumoniae were sensitive only to tigecycline; Staphylococcus epidermidis and Enterococcus faecium were highly sensitive to linezolid, tigecycline, and vancomycin. CONCLUSION: In this study, we identified the timing, the common species, and site of infection in patients with NP.

A meta-analysis and systematic review of percutaneous catheter drainage in treating infected pancreatitis necrosis.

BACKGROUND: In the current meta-analysis, we focus on the exploration of percutaneous catheter drainage (PCD) in terms of its overall safety as well as efficacy in the treatment of infected pancreatitis necrosis based on qualified studies. METHODS: The following electronic databases were searched to identify eligible studies through the use of index words updated to May 2018: PubMed, Cochrane, and Embase. Relative risk (RR) or mean difference (MD) along with 95% confidence interval (95% CI) were utilized for the main outcomes. RESULTS: A total of 622 patients in the PCD group and 650 patients in the control group from 13 studies were included in the present meta-analysis. The aggregated results indicated that the incidence of bleeding was decreased significantly (RR: 0.42, 95% CI: 0.25-0.70) in the PCD group as compared with the control group. In addition, PCD decreased the mortality (RR: 0.76, 95% CI: 0.41-1.42), hospital duration (SMD: -0.22, 95% CI: -0.77 to -0.33), duration in intensive care unit (ICU) (SMD: -0.13, 95% CI: -0.30 to -0.04), pancreatic fistula (RR: 0.73, 95% CI: 0.46-1.17), and organ failure (RR: 0.91, 95% CI: 0.45-1.82) in comparison with the control group, but without statistical significance. CONCLUSION: Our findings provide evidence for the treatment effect of PCD in the decrease of bleeding, mortality, duration in hospital and ICU, pancreatic fistula, organ failure as compared with the surgical treatment. In conclusion, further studies based on high-quality RCTs with larger sample size and long-term follow-ups are warranted for the confirmation of PCD efficacy in treating infected pancreatitis necrosis.