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ons of potentially preventable visits in each surgical specialty. As such, targeting interventions to specific surgical settings may prove most useful.

This review fails to demonstrate a clear reduction ED visits and readmissions to support use of a telemedicine intervention across the board. This may be in part explained by significant heterogeneity in the proportions of potentially preventable visits in each surgical specialty. As such, targeting interventions to specific surgical settings may prove most useful.

Post-endoscopic retrograde cholangiopancreatography pancreatitis (PEP) is the most common serious adverse event. Given recent endoscopic advances, we aimed to develop and validate a risk prediction model for PEP using the latest clinical database.

We analyzed the data of patients with naïve papilla who underwent endoscopic retrograde cholangiopancreatography (ERCP). Pre-ERCP and post-ERCP risk prediction models for PEP were developed using logistic regression analysis. Patients were classified into low- (0 points), intermediate- (1-2 points), and high-risk (≥ 3 points) groups according to point scores.

We included 760 and 735 patients in the derivation and validation cohorts, respectively. The incidence of PEP was 5.5% in the derivation cohort and 3.9% in the validation cohort. Age ≤ 65 (1 point), female sex (1 point), acute pancreatitis history (2 points), malignant biliary obstruction (2 points [pre-ERCP model] or 1 point [post-ERCP model]), and pancreatic sphincterotomy (2 points, post-ERCP model only) were independent risk factors. In the validation cohort, the high-risk group (≥ 3 points) had a significantly higher risk of PEP compared to the low- or intermediate-risk groups under the post-ERCP risk prediction model (low 2.0%; intermediate 3.4%; high 18.4%), while there was no significant between-group difference under the pre-ERCP risk prediction model (low 2.2%; intermediate 3.8%; high 6.9%).

We developed and validated pre-ERCP and post-ERCP risk prediction models. In the latter, the high-risk group had a higher risk of PEP development than the low- or intermediate-risk groups. Our study findings will help clinicians stratify patient risk for the development of PEP.

We developed and validated pre-ERCP and post-ERCP risk prediction models. In the latter, the high-risk group had a higher risk of PEP development than the low- or intermediate-risk groups. Our study findings will help clinicians stratify patient risk for the development of PEP.

Artificial intelligence and computer vision have revolutionized laparoscopic surgical video analysis. However, there is no multi-center study focused on deep learning-based laparoscopic cholecystectomy phases recognizing. This work aims to apply artificial intelligence in recognizing and analyzing phases in laparoscopic cholecystectomy videos from multiple centers.

This observational cohort-study included 163 laparoscopic cholecystectomy videos collected from four medical centers. Videos were labeled by surgeons and a deep-learning model was developed based on 90 videos. Ki16425 research buy Thereafter, the performance of the model was tested in additional ten videos by comparing it with the annotated ground truth of the surgeon. Deep-learning models were trained to identify laparoscopic cholecystectomy phases. The performance of models was measured using precision, recall, F1 score, and overall accuracy. With a high overall accuracy of the model, additional 63 videos as an analysis set were analyzed by the model to identify lligence could be utilized in huge data surgery analysis to achieve clinically relevant future applications.

The growing interest in analysis of surgical video through machine learning has led to increased research efforts; however, common methods of annotating video data are lacking. There is a need to establish recommendations on the annotation of surgical video data to enable assessment of algorithms and multi-institutional collaboration.

Four working groups were formed from a pool of participants that included clinicians, engineers, and data scientists. The working groups were focused on four themes (1) temporal models, (2) actions and tasks, (3) tissue characteristics and general anatomy, and (4) software and data structure. A modified Delphi process was utilized to create a consensus survey based on suggested recommendations from each of the working groups.

After three Delphi rounds, consensus was reached on recommendations for annotation within each of these domains. A hierarchy for annotation of temporal events in surgery was established.

While additional work remains to achieve accepted standards for video annotation in surgery, the consensus recommendations on a general framework for annotation presented here lay the foundation for standardization. This type of framework is critical to enabling diverse datasets, performance benchmarks, and collaboration.

While additional work remains to achieve accepted standards for video annotation in surgery, the consensus recommendations on a general framework for annotation presented here lay the foundation for standardization. This type of framework is critical to enabling diverse datasets, performance benchmarks, and collaboration.

There is no universal consensus on the optimal timing of cholecystectomy following endoscopic retrograde cholangio-pancreatography (ERCP). This study aims to evaluate the effect of time delay and post-ERCP complications on cholecystectomy outcomes.

All patients who underwent pre-op ERCP for concurrent cholelithiasis and choledocholithiasis between January 2009 and August 2019 at University Hospitals Plymouth, UK, were included. Patients who underwent single-stage cholecystectomy and common bile duct exploration were excluded from the study. Based on the delay to cholecystectomy, the patients were divided into early (within 2 weeks), intermediate (2-6weeks) and late (> 6weeks) groups. The operative outcomes between the three groups were compared.

We included 444 patients in the study, with 62 (14%), 90 (20%) and 292 (66%) patients in the early, intermediate and late groups, respectively. The median duration from ERCP to cholecystectomy was 75days. There was no statistically significant difference in t gallstone-related symptoms and its associated hospital stay. Post-ERCP complications lead to a difficult cholecystectomy.

Evaluate a universal proficiency metric for Robotic Surgery Virtual Reality (VR) simulation that will allow comparison of all users across any VR curriculum.

Retrospective analysis of VR Simulation metrics.

Two training institutions.

Residents, fellows and practicing surgeons.

Analysis of the Mimic robotic Virtual Reality (VR)-Simulation database of over 600,000 sessions was utilized to calculate Mean scores for each exercise. Those Mean scores were then normalized to 100. Subject's scores were also averaged and normalized to 100. We called this Index score the MScore Proficiency Index (MPI

). Scores above 100 were better than average; Less than 100 were worse than average.

Seventeen thousand six hundred and forty eight sessions were analyzed (2017-2020) comparing 77 students (residents to practicing surgeons) working in 7 different curriculums. On average, each student spent 8h and 24min on simulation, attempted 26.5 different exercises, and became proficient in 20.6 exercises per user. The MPI

ce index (MPI©) was calculated and found to be a reliable tool that could be used to identify relative proficiency among students in different robotic surgery VR Simulation curriculums. An individual user's proficiency can be utilized to identify a student's progress in a given curriculum. Future studies of MPI© will determine if machine learning can provide timely personalized feedback to the user.

Endoscopic thyroidectomy is widely performed as it does not result in neck scar. However, there is a paucity of reports pertaining to completely endoscopic lateral neck dissection (LND). In this study, we introduce our step-wise approach for performing endoscopic selective LND via the chest-breast approach. We refer to this approach as Qin's seven steps.

The Qin's seven steps are (1) establishment of working space range; (2) dissection of lymph nodes between the SCM and the sternohyoid muscle (level IV) and exposure of omohyoid; (3) dissection of lymph nodes at level IV; (4) dissection of lymph nodes at level III; (5) dissection of lymph nodes at carotid triangle (level III); (6) exposure of accessory nerve and dissection of lymph nodes at level II a; (7) dissection of lymph nodes at level II b. We reviewed the clinical data of 35 patients with papillary thyroid cancer (PTC) who were operated using the Qin's seven steps.

All 35 patients successfully underwent LND; bilateral LND was performed in 5 patien scar.

Endoscopic ultrasound (EUS)-guided transmural or endoscopic retrograde cholangiography (ERC)-based transpapillary drainage may provide alternative treatment strategies for high-risk surgical candidates with symptomatic gallbladder (GB) disease. The primary aim of this study was to perform a systematic review and meta-analysis to investigate the efficacy and safety of endoscopic GB drainage for patients with symptomatic GB disease.

Searches of PubMed, EMBASE, Web of Science, and Cochrane Library databases were performed in accordance with PRISMA and MOOSE guidelines. Pooled proportions were calculated for measured outcomes including technical success, clinical success, adverse event rate, recurrence rate, and rate of reintervention. Subgroup analyses were performed for transmural versus transpapillary, transmural lumen apposing stent (LAMS), and comparison to percutaneous transhepatic drainage. Heterogeneity was assessed with I

statistics. Publication bias was ascertained by funnel plot and Egger regressopic GB drainage is a safe and effective treatment for high-risk surgical candidates with symptomatic GB disease. EUS-guided transmural drainage is superior to transpapillary drainage and associated with a lower rate of reintervention compared to percutaneous transhepatic drainage.

Endoscopic GB drainage is a safe and effective treatment for high-risk surgical candidates with symptomatic GB disease. EUS-guided transmural drainage is superior to transpapillary drainage and associated with a lower rate of reintervention compared to percutaneous transhepatic drainage.Site-specific X-ray procedure codes are a useful ancillary source of information for identifying fractures in healthcare administrative and claims data.

Real-world evaluation of fracture epidemiology at the population level from electronic healthcare information, such as administrative data, requires comprehensive data sources and validated case definitions. Only hip fractures are routinely hospitalized, and the identification of most osteoporosis-related fractures which are non-hospitalized fractures remains challenging. Plain X-rays (radiographs) are first-line tests for fracture diagnosis and are frequently repeated to monitor fracture healing, and claims data related to radiologic procedures are available in many healthcare systems. We hypothesized that temporal clustering in plain X-ray procedure codes might be an ancillary source of fracture data.

We identified individuals age 40years and older in Manitoba Bone Mineral Density (BMD) Registry with a fracture diagnosis (hip, forearm, humerus, clinical vertebral) before or following a BMD test.