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Introduction/Purpose: Patients with cirrhosis and hepatocellular carcinoma (HCC) can develop both benign and malignant portal vein thrombosis (PVT). Characterising the nature of PVT is important for planning an optimal therapeutic strategy. In the absence of typical findings or contraindications to computed tomography (CT) or magnetic resonance imaging (MRI), contrast‐enhanced ultrasound (CEUS) could help in this differentiation. The present meta‐analysis aimed to evaluate the performance of CEUS for characterising PVT in patients with HCC. Methods: Electronic databases of PubMed, Embase and Scopus were searched from inception to 31 December 2022 for studies analysing the role of CEUS in the differentiation of benign and malignant PVT in HCC. Using the bivariate random effect model, pooled sensitivity and specificity were calculated, and the summary receiver operating characteristic (sROC) curve was plotted. Results: A total of 12 studies with data from 712 patients were included in the meta‐analysis. The pooled sensitivity and specificity of CEUS for the diagnosis of tumour in vein were 97.0% (95% CI: 93.0–98.7) and 96.8% (95% CI: 92.1–98.7), respectively, without significant heterogeneity. A sROC curve was plotted, and the area under the receiver operating characteristic was 0.99 (95% CI: 0.98–1.00). Despite the presence of publication bias, sensitivity analysis did not show any change in sensitivity and specificity. Discussion: Our meta‐analysis summarises the accuracy data from 12 studies, including >700 subjects. Contrast‐enhanced ultrasound had excellent diagnostic accuracy with pooled sensitivity and specificity of 97.5% (95% CI: 93.5–99.1) and 98.2% (95% CI: 91.5–99.6), respectively, without any significant heterogeneity. Additionally, the pooled positive LR, negative LR and DOR were 54.6 (95% CI: 11.1–25.6), 0.02 (0.01–0.07) and 2186.8 (318.3–15022.2), respectively. A positive result increases the pretest probability of malignant PVT from 50% to 98%, whereas a negative result decreases it from 50% to 2%. Most of the studies included in our meta‐analysis used identical techniques and 6–12‐month follow‐up scans to check for thrombus progression or regression. Our analysis showed no significant heterogeneity in the studies, and area under receiver operating characteristic curve (AUROC) with 95% CI was 1.00 (95% CI: 0.99–1.00). This critical meta‐analysis thus propels CEUS to the forefront for differentiating benign from tumoural PVT and suggests routinely using CEUS in patients presenting with HCC and evidence of thrombus on greyscale ultrasound. Conclusion: Contrast‐enhanced ultrasound is an effective diagnostic modality differentiation of benign and malignant PVT in patients with HCC and can be an alternative modality to CT or MRI. Further studies are required to study the role of CEUS as initial diagnostic modality for the characterisation of PVT in HCC. [ABSTRACT FROM AUTHOR]

Background Lumen-apposing metal stents (LAMS) are an evolving option for the management of benign gastrointestinal (GI) strictures. Multiple studies have reported on the efficacy and safety of LAMS for benign GI strictures, but were limited by their small sample size. Hence, we conducted this meta-analysis to assess the critical role of LAMS for the management of benign GI strictures. Methods: A literature search of various databases from inception until October 2022 was conducted for studies evaluating the outcome of LAMS in patients with benign GI strictures. The outcomes assessed included technical and clinical success, adverse events including stent migration, and reintervention. Pooled event rates across studies were expressed with summative statistics. Results: A total of 18 studies (527 patients) were included in the present analysis. The pooled event rates for technical, short-term and long-term clinical success were 99.9% (95% confidence interval [CI] 99.1-100.0), 93.9% (95%CI 90.7-100.0), and 72.8% (95%CI 55.7-90.0), respectively. The pooled incidence of adverse events and stent migration with LAMS for benign GI strictures was 13.5% (95%CI 8.6-18.5) and 10.6% (95%CI 6.0-15.2), respectively. The pooled event rate for reintervention with LAMS for GI strictures was 23.0% (95%CI 15.7-30.3). In a subgroup analysis focusing only on anastomotic strictures there was no significant difference in the pooled event rates for various outcomes. Conclusions: LAMS have a high technical and short-term clinical success rate, with an acceptable safety profile for the management of benign GI strictures. Further studies are needed to determine the appropriate duration of stent therapy and long-term outcomes. [ABSTRACT FROM AUTHOR]

Some patients presenting with recurrent acute pancreatitis (RAP), while undergoing endoscopic ultrasound (EUS), are classified as indeterminate for chronic pancreatitis (CP) according to Rosemont criteria. We are describing the clinical and radiological evolution of 14 such patients for 1 year. All the patients were closely followed up at 3 monthly intervals and subjected to ultrasound abdomen and blood sugar profile 6 monthly and EUS after 12 months. Males were 93%. Median age was 26 years. Most common etiology of RAP was idiopathic followed by ethanol and hypertriglyceridemia. On 1-year follow-up, 35.7% remained pain free and 28.6% had acute pancreatitis attack. Endocrine and exocrine insufficiency seen in one and two patients, respectively. Follow-up EUS in eight patients revealed Rosemont "normal" in 1, "Indeterminate" in 2, suggestive of CP in 3, and consistent with CP in two patients. Therefore, Rosemont's "Indeterminate" progress to suggestive/consistent with CP in majority of patients. [ABSTRACT FROM AUTHOR]

Aim of the study: Studies comparing atezolizumab plus bevacizumab (ATE/BEV) vs. lenvatinib (LEN) for advanced hepatocellular carcinoma (aHCC) have shown conflicting results. With this background, we aimed to collate the available evidence comparing ATE/BEV and LEN in aHCC. Material and methods: A comprehensive search of three databases was conducted from inception to November 2022 for studies comparing ATE/BEV with LEN for managing aHCC. Results were presented with their 95% confidence intervals (95% CI) as the hazard ratio (HR) for time-to-event outcomes or odds ratios (OR) for dichotomous outcomes. Results: A total of 8 studies were included. On analysis of matched cohorts, there was no difference in the objective response rate (ORR) (adjusted odds ratio [aOR] = 1.15, 95% CI: 0.83-1.61) or disease control rate (DCR) (aOR = 0.83, 95% CI: 0.49-1.38) between groups. Three studies reported a significantly longer progression-free survival (PFS) with ATE/LEN, while one reported a longer PFS with LEN. The adjusted hazard ratio (aHR) for PFS available from three studies was comparable (HR = 1.06, 95% CI: 0.75-1.50). Data were insufficient to carry out a formal analysis for overall survival (OS), but none of the studies reported any difference in OS. On comparison of overall adverse events (AE) and = grade 3 AE, there was no difference in the overall analysis, but higher risk of AE with LEN on sensitivity analysis. Conclusions: Based on the currently available literature, LEN was found to be non-inferior to ATE/BEV in terms of ORR, DCR, and PFS. However, LEN may be associated with a higher incidence of AEs. Further head-to-head trials are required to demonstrate the superiority of ATE/BEV over LEN. [ABSTRACT FROM AUTHOR]

Aim of the study: Studies comparing atezolizumab plus bevacizumab (ATE/BEV) vs. lenvatinib (LEN) for advanced hepatocellular carcinoma (aHCC) have shown conflicting results. With this background, we aimed to collate the available evidence comparing ATE/BEV and LEN in aHCC. Material and methods: A comprehensive search of three databases was conducted from inception to November 2022 for studies comparing ATE/BEV with LEN for managing aHCC. Results were presented with their 95% confidence intervals (95% CI) as the hazard ratio (HR) for time-to-event outcomes or odds ratios (OR) for dichotomous outcomes. Results: A total of 8 studies were included. On analysis of matched cohorts, there was no difference in the objective response rate (ORR) (adjusted odds ratio [aOR] = 1.15, 95% CI: 0.83-1.61) or disease control rate (DCR) (aOR = 0.83, 95% CI: 0.49-1.38) between groups. Three studies reported a significantly longer progression-free survival (PFS) with ATE/LEN, while one reported a longer PFS with LEN. The adjusted hazard ratio (aHR) for PFS available from three studies was comparable (HR = 1.06, 95% CI: 0.75-1.50). Data were insufficient to carry out a formal analysis for overall survival (OS), but none of the studies reported any difference in OS. On comparison of overall adverse events (AE) and = grade 3 AE, there was no difference in the overall analysis, but higher risk of AE with LEN on sensitivity analysis. Conclusions: Based on the currently available literature, LEN was found to be non-inferior to ATE/BEV in terms of ORR, DCR, and PFS. However, LEN may be associated with a higher incidence of AEs. Further head-to-head trials are required to demonstrate the superiority of ATE/BEV over LEN. [ABSTRACT FROM AUTHOR]

Background Biliary plastic stent (PS) mandates timely removal or replacement. The coronavirus disease 2019 (COVID-19) pandemic had affected the accessibility to medical therapy resulting in delay. We evaluated the burden of retained biliary PS, clinical profile, and impact of COVID-19 pandemic on stent retention. Material and Method Endoscopy database records between November 2019 and April 2022 were reviewed retrospectively to identify patients who had undergone stent exchange or removal > 3 months, that is, retained stents. Demography, comorbidity, indication and outcomes of index endoscopic retrograde cholangiopancreatography, size and duration of indwelling biliary PS, clinical presentation, imaging findings, cholangiography findings, stent-related complications, and stone formation and endotherapy details were noted. Results A total of 252 patients (100 [39.68%] males; median age 47 years [interquartile range [IQR] 32–56 years]) had common bile duct (CBD) stent retention. Median duration of retained CBD stent was 5 months (IQR = 4–6 months). Seventy (27.8%) were symptomatic with cholangitis (22, 8.7%), only jaundice (16, 6.3%), and only biliary abdominal pain (32, 12.7%). Sixty-one of 70 (87.1%) had abnormal imaging; 59/70 (84.3%) had new onset biliary stone or sludge (p ≤ 0.005). Stent retention > 6 months was significantly associated with stent fragmentation (0 vs. 20, p < 0.005) and choledocholithiasis (9 vs. 58, p < 0.005). Small caliber stent retention was more symptomatic (7 vs. 10 French [12/28 [42.85%] vs. 58/224 [25%], p = 0.049]). Univariate logistic regression analysis showed serum aspartate aminotransferase (AST), alkaline phosphatase levels, and CBD stent retention > 6 months were significantly associated with complications. On multivariate logistic regression analysis, serum AST > 2× upper limit normal (odds ratio [OR] = 5.487, 95% confidence interval [CI] = 3.1–9.9, p ≤ 0.005) and CBD stent retention > 6 months (OR = 8.6, CI = 3.1–23.92, p ≤ 0.005) were associated with complications. Out of 101 COVID-19 pandemic-attributed delay, 56/101 (55.44%) had symptomatic stent dysfunction. Endoscopic technical success rate was 97%, unsuccessful ones were due to large stones and impacted stents; with no mortality. Conclusion CBD PS stent retention, although mostly asymptomatic, can result in significant morbidity like jaundice, cholangitis, stent migration, fragmentation, or impaction in one-fourth of patients. Use of 7 Fr stent, retention duration > 6 months, abnormal imaging findings, and AST > twice the upper limit were significantly associated with complications. Endoscopic management was successful in 97% of patients. [ABSTRACT FROM AUTHOR]

Background and Aims: Pregnancy is associated with hyperdynamic circulatory state and increased risk of portal hypertension related complications in patients with extra-hepatic portal vein obstruction (EHPVO). We aim to study the impact of EHPVO on pregnancy-related outcomes with focus on subset of patients with UGIB (upper GI bleed). Methods: Retrospective analysis of obstetric, maternal and neonatal outcomes of patients with EHPVO registered between January 2006 and December 2022. Forty-five patients were included. Forty-five healthy females with low-risk pregnancies formed the control group. Results: Adverse obstetric and neonatal outcomes were comparable between EHPVO and control group (22% vs. 28.6%; p > .05; low birth weight/ small for gestational age 17.8% vs. 36%, p = .0918 and 14.2% vs. 10%, p = .5698 respectively). Adverse outcomes were similar in patients with and without history of UGIB (26.3% vs. 19.4%, p = .0814; 17.8% vs. 36%, p = .0918; 14.2% vs. 10%, p = .5698). There was no maternal mortality in both the groups. A total of 7% pregnancies in EHPVO patients were complicated by ascites. Conclusions: EHPVO pregnancies have successful obstetric and neonatal outcomes with adequate management of portal hypertension. [ABSTRACT FROM AUTHOR]

Background & Aims: Lactulose is the first-line drug for both treatment and secondary prophylaxis for overt hepatic encephalopathy (HE). The use of lactulose for the primary prophylaxis of HE in patients with cirrhosis and acute upper gastrointestinal bleeding (AUGIB) has been debated. Hence, we conducted this meta-analysis to assess the role of lactulose in HE prophylaxis in patients with cirrhosis and AUGIB. Methods: A comprehensive search of literature from inception to December 2022 was performed of three databases for randomized studies comparing lactulose and placebo in patients with cirrhosis and AUGIB. Risk ratios (RR) with 95% confidence intervals were calculated for all the dichotomous outcomes. Results: A total of five studies were included in the final analysis, out of which three studies had a low risk of bias, and two had a moderate risk of bias. Lactulose therapy was associated with a significantly lower risk of OHE compared to placebo, with a RR of 0.38 (0.23-0.62) and a number needed to treat of 6. There was no difference in the risk of mortality between the groups, with a RR of 0.71 (0.29-1.76). The pooled incidence rates of overall adverse events (AEs) and diarrhea with the use of lactulose therapy were 53.2% (42.2-64.2) and 34.7% (17.7-51.7), but a majority did not require drug discontinuation. The certainty of the evidence was moderate to low. Conclusions: Prophylactic lactulose reduces the incidence of HE after AUGIB but has no effect on mortality. Diarrhea and abdominal discomfort are common AEs but do not need drug discontinuation. [ABSTRACT FROM AUTHOR]