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ccuracy were 98.57%, 81.48%, and 93.81%, respectively. Conclusion The current study using objective parametric tools for both EUS elastography and contrast-enhanced EUS confirmed the results of previous studies and meta-analyses that indicated a complementary role for the differential diagnosis of focal pancreatic masses. Moreover, the best values for the receiver operating curves were obtained using a sequential clinical algorithm based on the initial use of elastography, followed by contrast enhancement.Background and Objective EUS-guided hepaticogastrostomy (HGS) is performed for patients with advanced cancer because of poor prognosis and compromised status, and bile peritonitis may prove critical for such patients. This adverse event has the possibility of decreasing quality of life by prolonging the time until the start of oral intake, hospital stay, or chemotherapy. Predictors of bile peritonitis in EUS-HGS thus have considerable clinical impact. The aim of this study was to retrospectively determine risk factors of bile peritonitis as adverse events of EUS-HGS. Patients and Methods As risk factors of bile peritonitis, baseline characteristics of patients, characteristics of procedures such as number of punctures, types of fistula dilation, mean procedure time were analyzed. Furthermore, a receiver operating characteristic (ROC) curve was plotted to assess the influence of this distance and bile peritonitis and determine the optimum cutoff score for predicting the risk of bile peritonitis. Multivariate analysis using logistic regression was performed to examine factors of bile peritonitis. Results A total of 68 patients were enrolled in this study. A distance of 2.50 cm offered 90.3% sensitivity and 87.5% specificity in predicting bile peritonitis according to the ROC curve. Number of punctures (>1), procedure time (>20 min), distance to the hepatic parenchyma ( less then 2.50 cm), and presence of acute cholangitis were significantly associated with bile peritonitis in univariate analysis. However, according to this multivariate analysis, distance to the hepatic parenchyma ( less then 2.50 cm, odds ratio 96.98, 95% confidence interval 10.12-929.12, P less then 0.001) were only significantly associated with bile peritonitis. Conclusions The short distance of hepatic parenchyma may be a risk factor of bile peritonitis.ERCP is the current procedure of choice for patients with jaundice caused by biliary obstruction. EUS-guided biliary drainage (EUS-BD) has emerged as an alternative to ERCP in patients requiring biliary drainage. The aim of the study was to conduct a systematic review and meta-analysis to report the overall efficacy and safety of EUS-BD. We conducted a comprehensive search of several databases including PubMed, EMBASE, Web of Science, Google Scholar, and LILACS databases (earliest inception to June 2018) to identify studies that reported EUS-BD in patients. Tenalisib solubility dmso The primary outcome was to look at the technical and clinical success of the procedure. The secondary analysis focused on calculating the pooled rate of re-interventions and all adverse-events, along with the commonly reported adverse-event subtypes. Twenty-three studies reporting on 1437 patients were identified undergoing 1444 procedures. Majority of the patient population were male (53.86%), with an average age of 67.22 years. The pooled technical success rates and clinical success rates were 91.5% (95% confidence interval [CI] 87.7-94.2, I[2] = 76.5) and 87% (95% CI 82.3-90.6, I[2] = 72.4), respectively. The total adverse event rates were 17.9% (95% CI 14.3-22.2, I[2] = 69.1). Subgroup analysis of three major individual adverse events was bile leak 4.1% (2.7-6.2, I[2] = 46.7), stent migration 3.9% (2.5-6.2, I[2] = 43.5), and infection 3.8% (2.8-5.1, I[2] = 0) Substantial heterogeneity was noted in the analysis. EUS-BD has high technical and clinical success rate and hence a very effective procedure. Concerns about publication bias exist. Careful consideration should be given to the adverse events and weighing the risks and benefits of the alternative nonsurgical/surgical approaches.The development of curvilinear-array EUS and EUS-guided fine-needle aspiration (EUS-FNA) has led these approaches to become interventional procedures rather than purely diagnostic, as a minimally invasive antitumor therapeutic alternative to radiological and surgical treatments. The possibility to accurately position needle devices and to reach a deep target like the pancreas gland under real-time imaging guidance has expanded the use of EUS to ablate tumors. Currently, a variety of probes specifically designed for EUS ablation are available, including radiofrequency, hybrid cryothermal ablation (combining radiofrequency with cryotechnology), photodynamic therapy, and laser ablation. To date, several studies have demonstrated the safety and feasibility of these ablation techniques in the pancreatic setting, but only a few small series on pancreatic thermal ablation under EUS guidance are available. EUS-guided thermal ablation is primarily used for pancreatic cancer. It is well suited to this disease because of its superior anatomical access compared with other imaging modalities and the dismal prognosis despite improvements in chemoradiotherapy and surgery in the management of pancreatic cancer. Other targets are pancreatic neuroendocrine tumors and pancreatic cystic neoplasms, which are curable by surgical resection, but some patients are poor surgical candidates or prefer conservative management. This is a literature review of previously published clinical studies on EUS-guided thermal ablative therapies. Data on the long-term efficacy of EUS-guided antitumor thermal ablation therapy and large prospective randomized studies are still needed to confirm the real clinical benefits of these techniques for the management of pancreatic neoplasms.Benign or malignant conditions can present as pancreatic solid lesions (PSLs), and a thorough diagnostic workup is necessary to differentiate them. The need to acquire a tissue sample to reach a definitive diagnosis should be stratified by the findings at multidetector computed tomography (MDCT) with a pancreatic protocol. Tissue biopsy is currently indicated in patients fit for chemotherapy in whom a metastatic tumor or a locally advanced unresectable lesion are discovered. For these patients, EUS-guided tissue acquisition, with fine-needle aspiration (FNA) or biopsy represents the gold standard to provide a definitive cyto- and/or histopathologic diagnosis, with a high rate of accuracy. For resectable PSLs with a nonhypoenhancing MDCT pattern, which is not disease specific, a tissue diagnosis to distinguish benign from malignant etiologies appears mandatory. On the other hand, for hypo-enhancing PSLs, the debate of whether to obtain a preoperative definitive diagnosis still favors direct surgery. However, availability of novel EUS-guided fine-needle biopsy needles, which can ameliorate the negative predictive value of EUS-FNA and allow performance of DNA and RNA whole-genome extraction and RNA sequencing, coupled with the increasing evidence that preoperative neoadjuvant chemotherapy can be of value for these patients may change completely the diagnostic and therapeutic approach to resectable PSLs.
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