Liver biopsy plays an essential role in the diagnosis, evaluation and management of a vast proportion of liver diseases. Conventionally, percutaneous and trans-jugular approaches have been used to obtain liver biopsies. Endoscopic ultrasound guided liver biopsy (EUS-LB) has emerged as a safe and effective alternate in the past two decades. EUS-LB carries a role in evaluation of both benign and malignant diseases of the liver. It can offer higher resolution imaging of the liver and can detect smaller lesions than computed tomography scan of the abdomen or ultrasound scans with the option for doppler assistance to reduce complications. Current evidence demonstrates the superiority of EUS-LB for a targeted approach of focal lesion and there is also evidence of less sampling variability in heterogeneous parenchymal pathologies. These advantages combined with an improved safety profile had led to the rapid progress in the development of new techniques, equipment and procedures for EUS-LB. We provide a comprehensive review of EUS-LB for parenchymal liver disease.

Objectives We aimed to evaluate the prevalence, impact, and predictors of opioid use disorder (OUD) in hospitalized chronic pancreatitis (CP) patients. Methods A retrospective cohort study was performed using the National Inpatient Sample database from 2005 to 2014. Patients with a primary diagnosis of CP and OUD were included. The primary outcome was evaluating the prevalence and trend of OUD in patients hospitalized with CP. Secondary outcomes were to (1) assess the impact of OUD on health care resource utilization and (2) identify predictors of OUD in hospitalized CP patients. Results A total of 176,857 CP patients were included, and OUD was present in 3.8% of patients. The prevalence of OUD in CP doubled between 2005 and 2014. Patients with CP who had OUD were found to have higher mean length of stay (adjusted mean difference, 1.2 days; P < 0.001) and hospitalization costs (adjusted mean difference, US $1936; P < 0.001). Independent predictors of OUD in CP patients were obesity, presence of depression, and increased severity of illness. Conclusions Opioid use disorder–related diagnoses are increasing among CP patients and are associated with increased health care resource utilization. Our study identifies patients at high-risk for OUD whose pain should be carefully managed.

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