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Effects of different preoperative biliary drainage methods for resected malignant obstruction jaundice on the incidence rate of implantation metastasis: A meta-analysis.

ABSTRACT: The aim of the present study was to compare the effects of percutaneous transhepatic biliary drainage (PTBD) and endoscopic biliary drainage (EBD) for resected malignant obstruction jaundice (MOJ) on the incidence rate of implantation metastasis. Databases including PubMed, EMbase, Web of Science and Cochrane Library were utilized. With reference to literature reported until January 2019, controlled clinical trials were designed to compare the effects of PTBD and EBD for MOJ on the incidence rate of implantation metastasis. Subsequently, odds ratio (OR) with 95% confidence interval (CI) was calculated with Review Manager 5.3.0 software. A total of 10 studies were enrolled in this meta-analysis, including 1,085 cases in the PTBD group and 1,379 cases in the EBD group. The results revealed that there was a significant difference in the incidence rate of implantation metastasis between the PTBD group and EBD group (OR=0.35, 95% CI: 0.23-0.53, P<0.00001). Subgroup analysis revealed that the incidence rates of both catheter-related implantation metastasis and peritoneal metastasis were lower in the EBD group (OR=0.23, 95% CI: 0.12-0.44, P<0.00001; OR=0.47, 95% CI: 0.31-0.74, P=0.0008, respectively), and the advantage of EBD was demonstrated in perihilar cholangiocarcinoma, distal cholangiocarcinoma and pancreatic carcinoma (OR=0.35, 95% CI: 0.17-0.74, P=0.006; OR=0.32, 95% CI: 0.17-0.60, P=0.0005; OR=0.27, 95% CI: 0.19-0.40, P<0.00001, respectively). In conclusion, this meta-analysis revealed the appropriate choice of preoperative biliary drainage for resected MOJ. The application of EBD reduced the incidence rate of implantation metastasis, however more evidence is required from future studies, to confirm the results.

SUBMITTER: Yang G

PROVIDER: S-EPMC7400856 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Effects of different preoperative biliary drainage methods for resected malignant obstruction jaundice on the incidence rate of implantation metastasis: A meta-analysis.

Yang Gang G Xiong Yongfu Y Sun Ji J Tang Tao T Li Weinan W Wang Guan G Li Jingdong J

Oncology letters 20200624 3

The aim of the present study was to compare the effects of percutaneous transhepatic biliary drainage (PTBD) and endoscopic biliary drainage (EBD) for resected malignant obstruction jaundice (MOJ) on the incidence rate of implantation metastasis. Databases including PubMed, EMbase, Web of Science and Cochrane Library were utilized. With reference to literature reported until January 2019, controlled clinical trials were designed to compare the effects of PTBD and EBD for MOJ on the incidence rat ...[more]

PMID: 32782538

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Project description:To compare the outcomes of preoperative endoscopic nasobiliary drainage (ENBD) and endoscopic retrograde biliary drainage (ERBD) in patients with malignant distal biliary obstruction prior to pancreaticoduodenectomy (PD).Data from 153 consecutive patients who underwent preoperative endoscopic biliary drainage prior to PD between January 2009 and July 2016 were analyzed. We compared the clinical data, procedure-related complications of endoscopic biliary drainage (EBD) and postoperative complications of PD between the ENBD and ERBD groups. Univariate and multivariate analyses with odds ratios (ORs) and 95% confidence intervals (95%CIs) were used to identify the risk factors for deep abdominal infection after PD.One hundred and two (66.7%) patients underwent ENBD, and 51 (33.3%) patients underwent ERBD. Endoscopic sphincterotomy was less frequently performed in the ENBD group than in the ERBD group (P = 0.039); the EBD duration in the ENBD group was shorter than that in the ERBD group (P = 0.036). After EBD, the levels of total bilirubin (TB) and alanine aminotransferase (ALT) were obviously decreased in both groups, and the decreases of TB and ALT in the ERBD group were greater than those in the ENBD group (P = 0.004 and P = 0.000, respectively). However, the rate of EBD procedure-related cholangitis was significantly higher in the ERBD group than in the ENBD group (P = 0.007). The postoperative complications of PD as graded by the Clavien-Dindo classification system were not significantly different between the two groups (P = 0.864). However, the incidence of deep abdominal infection after PD was significantly lower in the ENBD group than in the ERBD group (P = 0.019). Male gender (OR = 3.92; 95%CI: 1.63-9.47; P = 0.002), soft pancreas texture (OR = 3.60; 95%CI: 1.37-9.49; P = 0.009), length of biliary stricture (≥ 1.5 cm) (OR = 5.20; 95%CI: 2.23-12.16; P = 0.000) and ERBD method (OR = 4.08; 95%CI: 1.69-9.87; P = 0.002) were independent risk factors for deep abdominal infection after PD.ENBD is an optimal method for patients with malignant distal biliary obstruction prior to PD. ERBD is superior to ENBD in terms of patient tolerance and the effect of biliary drainage but is associated with an increased risk of EBD procedure-related cholangitis and deep abdominal infection after PD.

Project description:We posed six clinical questions (CQ) on preoperative biliary drainage and organized all pertinent evidence regarding these questions. CQ 1. Is preoperative biliary drainage necessary for patients with jaundice? The indications for preoperative drainage for jaundiced patients are changing greatly. Many reports state that, excluding conditions such as cholangitis and liver dysfunction, biliary drainage is not necessary before pancreatoduodenectomy or less invasive surgery. However, the morbidity and mortality of extended hepatectomy for biliary cancer is still high, and the most common cause of death is hepatic failure; therefore, preoperative biliary drainage is desirable in patients who are to undergo extended hepatectomy. CQ 2. What procedures are appropriate for preoperative biliary drainage? There are three methods of biliary drainage: percutaneous transhepatic biliary drainage (PTBD), endoscopic nasobiliary drainage (ENBD) or endoscopic retrograde biliary drainage (ERBD), and surgical drainage. ERBD is an internal drainage method, and PTBD and ENBD are external methods. However, there are no reports of comparisons of preoperative biliary drainage methods using randomized controlled trials (RCTs). Thus, at this point, a method should be used that can be safely performed with the equipment and techniques available at each facility. CQ 3. Which is better, unilateral or bilateral biliary drainage, in malignant hilar obstruction? Unilateral biliary drainage of the future remnant hepatic lobe is usually enough even when intrahepatic bile ducts are separated into multiple units due to hilar malignancy. Bilateral biliary drainage should be considered in the following cases: those in which the operative procedure is difficult to determine before biliary drainage; those in which cholangitis has developed after unilateral drainage; and those in which the decrease in serum bilirubin after unilateral drainage is very slow. CQ 4. What is the best treatment for post-drainage fever? The most likely cause of high fever in patients with biliary drainage is cholangitis due to problems with the existing drainage catheter or segmental cholangitis if an undrained segment is left. In the latter case, urgent drainage is required. CQ 5. Is bile culture necessary in patients with biliary drainage who are to undergo surgery? Monitoring of bile cultures is necessary for patients with biliary drainage to determine the appropriate use of antibiotics during the perioperative period. CQ 6. Is bile replacement useful for patients with external biliary drainage? Maintenance of the enterohepatic bile circulation is vitally important. Thus, preoperative bile replacement in patients with external biliary drainage is very likely to be effective when highly invasive surgery (e.g., extended hepatectomy for hilar cholangiocarcinoma) is planned.

Dataset Information

Effects of different preoperative biliary drainage methods for resected malignant obstruction jaundice on the incidence rate of implantation metastasis: A meta-analysis.

Publications

Effects of different preoperative biliary drainage methods for resected malignant obstruction jaundice on the incidence rate of implantation metastasis: A meta-analysis.

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