OOIR: Observatory of International Research

Papers

(The median citation count of Endoscopic Ultrasound is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
EUS-guided versus percutaneous transhepatic cholangiography biliary drainage for obstructed distal malignant biliary strictures in patients who have failed endoscopic retrograde cholangiopancreatograp	33
Ultrasound elastography	29
Clinical outcomes of EUS-guided radiofrequency ablation for unresectable pancreatic cancer	23
EUS-guided radiofrequency and ethanol ablation for pancreatic neuroendocrine tumors	23
Comparison between EUS-guided fine-needle biopsy with or without rapid on-site evaluation for tissue sampling of solid pancreatic lesions: A systematic review and meta-analysis	22
EUS-guided biliary drainage for malignant hilar biliary obstruction: A concise review	21
EUS-guided hepaticoenterostomy with using a dedicated plastic stent for the benign pancreaticobiliary diseases: A single-center study of a large case series	21
Macroscopic on-site evaluation after EUS-guided fine needle biopsy may replace rapid on-site evaluation	19
Double pigtail stent placement as an adjunct to lumen-apposing metal stents for drainage of pancreatic fluid collections may not affect outcomes	18
Histopathological evaluation of needle tract seeding caused by EUS-fine-needle biopsy based on resected specimens from patients with solid pancreatic masses: An analysis of 73 consecutive cases	18
Hepaticogastrostomy versus choledochoduodenostomy	17
EUS-guided pelvic drainage: A systematic review and meta-analysis	17
Controversies in EUS: Do we need miniprobes?	17
Current landscape of therapeutic EUS: Changing paradigms in gastroenterology practice	16
EUS-through-the-needle microbiopsy forceps in pancreatic cystic lesions: A systematic review	16
Diagnostic value of endobronchial ultrasound image features: A specialized review	16
Comparison of EUS-guided choledochoduodenostomy and percutaneous drainage for distal biliary obstruction	16
Technical feasibility and safety of one-step deployment of EUS-guided hepaticogastrostomy using an 8-mm diameter metal stent with a fine-gauge stent delivery system (with video)	15
Utility of a 20G needle with a core trap in EUS-guided fine-needle biopsy for gastric submucosal tumors: A multicentric prospective trial	14
EUS-guided transanastomotic drainage for severe biliopancreatic anastomotic stricture using a forward-viewing echoendoscope in patients with surgically altered anatomy	14
How to perform EUS-guided biliary drainage	14
Endoscopic gallbladder drainage for acute cholecystitis with high-risk surgical patients between transduodenal and transpapillary stenting	14
Optimal number of needle passes during EUS-guided fine-needle biopsy of solid pancreatic lesions with 22G ProCore needles and different suction techniques: A randomized controlled trial	13
Urgent and early EUS-guided biliary drainage in patients with acute cholangitis	13
EUS and ERCP: A rationale categorization of a productive partnership	13

Efficacy and safety of EUS-guided gallbladder drainage for rescue treatment of malignant biliary obstruction: A systematic review and meta-analysis	13
Application of artificial intelligence for diagnosis of pancreatic ductal adenocarcinoma by EUS	13
EUS-guided hepaticogastrostomy in patients with obstructive jaundice after failed or impossible endoscopic retrograde drainage: A multicenter, randomized phase II Study	13
Diagnostic accuracy of EUS-FNA in the evaluation of pancreatic neuroendocrine neoplasms grading: Possible clinical impact of misclassification	12
Adverse events associated with AXIOS stents	12
Accuracy and clinical outcomes of pancreatic EUS-guided fine-needle biopsy in a consecutive series of 852 specimens	12
EUS-guided biopsy versus confocal laser endomicroscopy in patients with pancreatic cystic lesions: A systematic review and meta-analysis	12
Long-term outcomes of EUS-guided lauromacrogol ablation for the treatment of pancreatic cystic neoplasms	11
EUS-guided pancreatic ductal intervention: A comprehensive literature review	11
The role of EUS in diagnosing focal autoimmune pancreatitis and differentiating it from pancreatic cancer	11
Endoscopic management of concomitant biliary and duodenal malignant obstruction: Impact of the timing of drainage for one vs. two procedures and the modalities of biliary drainage	11
The ultrasound use of simulators, current view, and perspectives: Requirements and technical aspects (WFUMB state of the art paper)	10
Wet- versus dry-suction techniques for EUS-FNA of solid lesions: A systematic review and meta-analysis	10
Risk factors for stent dysfunction during long-term follow-up after EUS-guided biliary drainage using lumen-apposing metal stents: A prospective study	10
Role of EUS in detection of liver metastasis not seen by computed tomography or magnetic resonance imaging during staging of pancreatic, gastrointestinal, and thoracic malignancies	10
Lumen-apposing metal stents	10
A pilot study of Spring Stopper Stents: Novel partially covered self-expandable metallic stents with anti-migration properties for EUS-guided hepaticogastrostomy	10
Efficacy of the Franseen needle for diagnosing gastrointestinal submucosal lesions including small tumors	10
Diagnosis and staging of lung cancer with the use of one single echoendoscope in both the trachea and the esophagus: A practical guide	9
Ectopic fat deposition and its related abnormalities of lipid metabolism followed by nonalcoholic fatty pancreas	9
EUS-guided versus percutaneous liver biopsy: A comprehensive review and meta-analysis of outcomes	9
Feasibility of EUS-guided hepaticogastrostomy for inoperable malignant hilar biliary strictures	9
Objective evaluation of the resistance forces of 22-gauge EUS-FNA and fine-needle biopsy needles	9
Preoperative EUS evaluation of the response to neoadjuvant therapy for gastric and esophagogastric junction cancer is correlated with survival: A single retrospective study of 97 patients	8
Usefulness of EUS-FNA with contrast-enhanced harmonic imaging for diagnosis of gallbladder tumor	8
Artificial intelligence: The new wave of innovation in EUS	8
Impact of biliary stents on the diagnostic accuracy of EUS-guided fine-needle biopsy of solid pancreatic head lesions	8
An update on EUS-guided ablative techniques for pancreatic cystic lesions	8
EUS-guided radiofrequency ablation plus chemotherapy versus chemotherapy alone for pancreatic cancer (ERAP): An observational open-label pilot study	8
Utility of contrast-enhanced harmonic EUS for diagnosis of portal vein invasion by pancreatic cancer	7
B2 puncture with forward-viewing EUS simplifies EUS-guided hepaticogastrostomy (with video)	7
Refractory rectal variceal bleeding treated with EUS-guided coil embolization	7
Learning in therapeutic EUS	7
Deep learning with convex probe endobronchial ultrasound multimodal imaging: A validated tool for automated intrathoracic lymph nodes diagnosis	7
Controversies in ERCP	7
Feasibility and safety of a new dedicated biliary stent for EUS-guided hepaticogastrostomy: The FIT study (with video)	7
The value of artificial intelligence techniques in predicting pancreatic ductal adenocarcinoma with EUS images: A meta-analysis and systematic review	6
Defining medical simulators for simulation-based education in EUS	6
Macroscopic on-site evaluation after EUS-guided fine needle biopsy may replace rapid on-site evaluation	6
Outcomes of EUS-guided transluminal gallbladder drainage in patients without cholecystitis	6
Efficacy of EUS-guided hepaticogastrostomy in prolonging survival of patients with perihilar cholangiocarcinoma	6
Diagnostic utility of EUS-guided tissue acquisition in children: A tertiary care center experience	6
EUS-guided gastroenteric anastomosis	6
Diagnostic and interventional EUS in hepatology: An updated review	6
Practical approach to linear EUS examination of the mediastinum	6
Feasibility and safety of EUS-guided radiofrequency ablation in treatment of locally advanced, unresectable pancreatic cancer	6
Application of EUS-based techniques in the evaluation of pancreatic cystic neoplasms	6
Value of EUS in determining infiltration depth of early carcinoma and associated precancerous lesions in the upper gastrointestinal tract	5
EUS development in China: Results from national surveys in 2013 and 2020	5
Differential EUS findings in focal type 1 autoimmune pancreatitis and pancreatic cancer	5

Tissue amount and diagnostic yield of a novel franseen EUS-FNB and a standard EUS-FNA needle—A randomized controlled study in solid pancreatic lesions	5
EUS-guided versus percutaneous liver biopsy: Do we have a winner?	5
EUS-guided antegrade metallic stent placement using the stent-in-stent method with a 6-Fr novel slim delivery system in a patient with malignant hilar biliary obstruction	5
Pancreatic changes with lifestyle and age: What is normal and what is concerning?	5
Optimal sampling technique for EUS-guided fine-needle biopsy of solid pancreatic lesions using a 25-gauge ProCore needle: A multicenter randomized crossover superiority study	5
Efficacy and safety of EUS-guided biliary drainage for benign biliary obstruction – A systematic review and meta-analysis	5
Malignant gastric duplication cyst diagnosed by EUS-FNA	4
EUS–guided versus percutaneous liver biopsy: A prospective randomized clinical trial	4
Comparison of recurrent biliary obstruction with the use of metal and plastic stents in EUS-guided biliary drainage: A propensity score-matched analysis	4
Feasibility and efficacy of endoscopic reintervention after covered metal stent placement for EUS-guided hepaticogastrostomy: A multicenter experience	4
Efficacy of EUS-guided needle-based confocal laser endomicroscopy in the diagnosis of pancreatic lesions: A systematic review and meta-analysis	4
A Chinese prospective multicenter cohort study evaluating EUS-guided drainage of pancreatic fluid collections using the Hot AXIOS system	4
Pancreatic duct imaging during aging	4
Small nonfunctional pancreatic neuroendocrine neoplasms: Time for a step-up treatment approach?	4
Controversies in EUS	4
An international study of interobserver variability of “string sign” of pancreatic cysts among experienced endosonographers	4
Pooled diagnostic parameters of artificial intelligence in EUS image analysis of the pancreas	4
EUS-guided splenic abscess drainage using lumen apposing metal stent	4
Single-session EUS-guided gastroenterostomy and hepaticogastrostomy using dedicated metal stents (with videos)	4
Practical approach to linear EUS examination of the liver	4
Standard reporting elements for the performance of EUS: Recommendations from the FOCUS working group	4
Usefulness of the automated multiband imaging system for EUS-FNA biopsy specimen evaluation in patients with upper gastrointestinal subepithelial lesions	4
A randomized noninferiority trial comparing the diagnostic yield of the 25G ProCore needle to the standard 25G needle in suspicious pancreatic lesions	4
A core curriculum for basic EUS skills	4
EUS-guided coil placement and cyanoacrylate glue injection for gastric variceal bleeding with obvious spontaneous portosystemic shunts	4
EUS-guided fine-needle biopsy for gastric submucosal tumors	4
EUS-directed transgastric ERCP: A first-line option for ERCP following Roux-en-Y gastric bypass	4
Controversies in ERCP	4
Comparison of specimen quality among the standard suction, slow-pull, and wet suction techniques for EUS-FNA: A multicenter, prospective, randomized controlled trial	4
Contrast enhanced EUS for evaluation of mural nodule in pancreatic cystic neoplasm (with video)	3
Role of EUS in idiopathic ulcerative colitis	3
EUS and ERCP partnership	3
Efficacy and safety of EUS-guided coil embolization combined with endoscopic cyanoacrylate injection versus balloon-occluded retrograde transvenous obliteration for gastric varices with high-risk ecto	3
EUS and secretin endoscopic pancreatic function test predict evolution to overt structural changes of chronic pancreatitis in patients with nondiagnostic baseline imaging	3
EUS-guided drainage of the pancreatic duct for the treatment of postoperative stenosis of pancreatico-digestive anastomosis or pancreatic duct stenosis complicating chronic pancreatitis: Experience at	3
Photoacoustic endoscopy and EUS	3
Controversies in EUS-guided treatment of walled-off necrosis	3
EUS-guided biliary drainage in malignant distal biliary obstruction: An international survey to identify barriers of technology implementation	3
Hot topics in therapeutic EUS	3
Preliminary experience of EUS-guided pancreatic fluid collections drainage using a new lumen-apposing metal stent mounted on a cautery device	3
Training and certification of EUS operators in China	3
A new needle-based confocal laser endomicroscopy pattern of malignant pancreatic mucinous cystic lesions (with video)	3
EUS-guided choledochoduodenostomy for malignant biliary obstruction: A multicenter comparative study between plastic and metallic stents	3
Efficacy of endoscopic anterior fundoplication with a novel ultrasonic surgical endostapler for gastroesophageal reflux disease: Six-month results from a multicenter prospective trial	3
Lumen-apposing metal stents salvage that accidentally dislodged during a necrosectomy of a WON (with video)	3
Hemosuccus pancreaticus due to a small arterial pseudoaneurysm detected by CE-EUS and successfully treated with angiographic coiling (with video)	3
Role of EUS combined with a newly modified scoring system to detect pancreatic high-grade precancerous lesions	3
EUS-guided ablation with the HybridTherm Probe as second-line treatment in patients with locally advanced pancreatic ductal adenocarcinoma: A case–control study	3
Design and validation of a therapeutic EUS training program using a live animal model: Taking training to the next level	3
Endosonographers performing on-site evaluation of solid pancreatic specimens for EUS-guided biopsy	3
Immunoglobulin G4-related cholecystitis mimicking gallbladder cancer diagnosed by EUS-guided biopsy	3
EUS-guided hepaticogastrostomy and antegrade direct peroral cholangioscopy: An effective alternative to overcome the distance (with video)	2
Endoscopic management of pancreatic fluid collections with disconnected pancreatic duct syndrome	2
Role of EUS at high risk for choledocholithiasis without severe cholangitis and visible stone on cross-sectional imaging	2
A pancreatic metastasis from a colon carcinoma mimicking a primary tumor diagnosed by EUS-guided fine-needle biopsy	2
EUS-guided hepaticojejunostomy using a 22G needle and novel 0.018-inch guidewire (with video)	2
EUS-guided drainage of the gallbladder using a novel 0.018-inch guidewire for preventing bile leakage (with video)	2
Double puncture of the stomach and duodenum during EUS-guided gallbladder drainage (with video)	2
Jumping technique for guidewire manipulation within an intrahepatic bile duct during EUS-guided biliary drainage (with video)	2
EUS-guided therapy of nonvariceal refractory bleeding: A prospective observational study	2
The use of simulation in medical ultrasound: Current perspectives on applications and practical implementation (WFUMB state-of-the-art paper)	2
EUS-guided placement of fiducial markers for image-guided radiotherapy in gastrointestinal tumors	2
EUS-guided fiducial gold marker placement in metastatic colon cancer to the spleen	2
Recurrent metastatic lung gliosarcoma diagnosed by EUS-guided fine-needle biopsy	2
Evaluation of the ex-vivo porcine simulator on EUS-guided cystogastrostomy using lumen-apposing metal stent training	2
EUS and secretin endoscopic pancreatic function test predict evolution to overt structural changes of chronic pancreatitis in patients with nondiagnostic baseline imaging	2
Safety and clinical efficacy of EUS–guided pelvic abscess drainage	2
Balloon guidewire technique during EUS-guided hepaticogastrostomy	2
EUS-guided biliary drainage: A realistic perspective	2
Secondary sclerosing cholangitis and IgG4-sclerosing cholangitis – A review of cholangiographic and ultrasound imaging	2
Independent risk factors for true malignancy in atypical cytologic diagnostic category in EUS-FNA/FNB of the pancreas	2
General principles of image optimization in EUS	2
Safety and efficacy of EUS-guided ablation of pancreatic lesions with ethanol versus ethanol with paclitaxel: A systematic review and meta-analysis	2
The EUS molecular evaluation of pancreatic cancer: A prospective multicenter cohort trial	2
Diagnosis and staging of lung cancer using transesophageal ultrasound	1
EUS-FNA biopsy of parathyroid gland	1
EUS-guided drainage of liver abscesses: Video demonstration of two novel endoscopic techniques (with video)	1
A rare cause of upper gastrointestinal bleeding from a submucosal tumor	1
Evaluation of a novel radial echoendosonoscope with a piezoelectric-composite transducer	1
Distinct ways to perform a liver biopsy: The core technique setups and updated understanding of these modalities	1

EUS-guided gastroenterostomy in a COVID-19-infected patient with duodenal stenosing lymphoma (with videos)	1
Three-year evaluation of a novel, nonfluoroscopic, all-artificial model for EUS-guided biliary drainage training for the impact to practice: A prospective observational study (with videos)	1
Epidermoid cyst in an intrapancreatic accessory spleen diagnosed by contrast-enhanced EUS and EUS-FNA (with video)	1
Developing a simulation-based training curriculum in transesophageal ultrasound with the use of the endobronchial ultrasound-endoscope	1
A preferable modality for the differentiation of peripancreatic fluid collections: Endoscopic ultrasound	1
A deep learning–based system for mediastinum station localization in linear EUS (with video)	1
EUS-guided hepaticogastrostomy with contrast-enhanced harmonic imaging (with video)	1
Extramedullary plasmacytoma of the pancreas diagnosed by EUS-guided fine-needle biopsy (with videos)	1
Pitfalls in interventional EUS procedures and coping strategies for endoscopy assistants (with video)	1
Rescue technique for bleeding after placement of plastic stent in EUS–guided hepaticogastrostomy (with videos)	1
Troubleshooting the migration of a double-pigtail plastic stent into a pelvic abscess (with videos)	1
Usefulness of a gel immersion-assisted EUS-guided fine-needle aspiration/biopsy for ampullary lesions (with videos)	1
Safe removal of lumen-apposing metal stent using argon plasma coagulation after EUS-guided cyst gastrostomy (with video)	1
EUS-guided transmural drainage of hemorrhagic pancreatic fluid collections without associated arterial pseudoaneurysms	1
Pitfalls in stent deployment during EUS-guided gastrojejunostomy using Hot Axios™ (with videos)	1
Antegrade brushing cytology through the EUS-guided pancreatic duct drainage route (with video)	1
An unexpected complication during EUS-FNA	1
EUS-guided versus percutaneous liver abscess drainage: A multicenter collaborative study	1
EUS-FNA of portal venous tumoral thrombosis for diagnosis of hepatocellular carcinoma without primary hepatic mass (with video)	1
Developing a simulation-based training curriculum in transesophageal ultrasound with the use of the endobronchial ultrasound-endoscope	1
The factors that influence the diagnostic accuracy and sample adequacy of EUS-guided tissue acquisition for the diagnosis of solid pancreatic lesions	1
Altered anatomy	1
EUS-guided cell transplantation	1
Very late distant retroperitoneal metastasis of breast cancer diagnosed using EUS-guided tissue acquisition	1
Forward-viewing EUS-guided combined coil and glue injection in bleeding gastric varices secondary to splenic vein thrombosis in chronic pancreatitis	1
Spy basket retrieval method of an embedded hepaticogastrostomy stent (with videos)	1
Primary EUS-guided therapy of a giant visceral artery pseudoaneurysm: Expanding horizons (with video)	1
Cystotome or nonelectrocautery dilating catheters for fistula tract dilatation during endoscopic transmural drainage of pancreatic fluid collections	1
EUS-guided hepaticoduodenostomy for the management of postsurgical bile duct injury: An alternative to surgery (with video)	1
Revolution of hands-on model for interventional EUS: How to make a training model	1
Performing EUS during COVID-19 postendemic period: A report from endoscopy center in Wuhan	1
Diagnosis and staging of lung cancer using transesophageal ultrasound: Training and assessment	1
Gel immersion EUS-guided drainage for walled-off necrosis with poor visibility using a lumen-apposing metal stent (with video)	1
EUS–guided pancreatic duct drainage using a novel plastic stent with ultratapered tip (with video)	1
Safety and efficacy of the EndoRotor device for the treatment of walled-off pancreatic necrosis after EUS-guided cystenterostomy: A systematic review and meta-analysis	1
Clusters of malignant cysts in the gastric submucosal layer (with video)	1
The sun beside the pancreatic neck: The lymph node gastrinoma (with video)	1
Acquiring and ensuring competence in EUS in the 21st century	1
A penetrating foreign body mimicking pancreatic cancer (with videos)	1
Diagnostic value of EUS-guided SF6 pancreatography for pancreatic cystic lesions on cyst communication with the pancreatic duct	1
EUS-FNA of a lesion in the pancreatic head using a forward-viewing echoendoscope in a patient with Billroth II gastrectomy (with video)	1
A rare case of multifocal intraductal nodules and a solid mass of the pancreas	1
Training and certification of EUS operators in China	1
Ex vivo comparison of electrocautery-enhanced delivery of lumen-apposing metal stents matching electrosurgical workstations during EUS-guided gallbladder drainage	1
Balloon-occluded retrograde transvenous obliteration combined with EUS-guided coil embolization and endoscopic cyanoacrylate injection therapy of gastric varices with huge gastrorenal shunt (with vide	1
Design and validation of a therapeutic EUS training program using a live animal model	1