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05). Our findings suggest convergent and divergent RSFC alterations of specific hippocampal subregions with the prefrontal cortex and limbic/paralimbic regions between short-term and chronic ID. These findings suggest that the hippocampus is a key node in establishing diagnostic and categorical biomarkers in ID and developing more effective treatment strategies.Sports-related concussion (SRC) is a complex and heterogeneous injury with psychological, cognitive and functional consequences. Advances in diffusion magnetic resonance imaging (dMRI) allow sensitive measurement of white matter pathology post-SRC and may provide insight into injury and recovery. We systematically reviewed and meta-analyzed the literature examining dMRI alongside cognitive, emotional or motor assessments to determine relationships between these analyses. Sixteen studies examining young athletes (n = 6) or retired professionals (n = 10) met the inclusion criteria, with 12 emotional, 10 cognitive and four motor assessments. Studies had heterogeneous methodology, moderate quality and modest sample sizes. Fractional anisotropy (FA) was the most frequent dMRI metric, with SRC-induced changes described most commonly in the frontal lobe and least in the cerebellum and brainstem. There is an emerging complementary role for dMRI as part of a comprehensive assessment battery for SRC. However, larger-scale studies with broader subject populations (specifically, in females and in the 30-45 year age range) are needed to corroborate findings and determine the true diagnostic utility of dMRI post-SRC.Sport-related brain injury is very common, and the potential long-term effects include a wide range of neurological and psychiatric symptoms, and potentially neurodegeneration. DS-8201 Around the globe, researchers are conducting neuroimaging studies on primarily homogenous samples of athletes. However, neuroimaging studies are expensive and time consuming, and thus current findings from studies of sport-related brain injury are often limited by small sample sizes. Further, current studies apply a variety of neuroimaging techniques and analysis tools which limit comparability among studies. The ENIGMA Sports Injury working group aims to provide a platform for data sharing and collaborative data analysis thereby leveraging existing data and expertise. By harmonizing data from a large number of studies from around the globe, we will work towards reproducibility of previously published findings and towards addressing important research questions with regard to diagnosis, prognosis, and efficacy of treatment for sport-related brain injury. Moreover, the ENIGMA Sports Injury working group is committed to providing recommendations for future prospective data acquisition to enhance data quality and scientific rigor.

Sarcopenia, a syndrome characterized by the loss of skeletal muscle mass, has attracted attention in the field of oncology, as it reflects poor nutritional status. The present study aimed to determine the risk factors for postoperative inguinal hernia (PIH) development after robot-assisted laparoscopic radical prostatectomy (RARP) for prostate cancer, and discuss whether sarcopenia could be used as a sensitive predictor of PIH.

We reviewed the medical records of 147 patients who underwent RARP at our institution. The psoas muscle volume (PMV), as an indicator of sarcopenia, was quantified from computed tomography images using a 3-dimensional image analysis system. Multivariate cox regression analyses were performed to identify independent predictors of PIH, including pre- and peri-operative factors.

The mean PMV was 393 cm

, and the correlation coefficient between PMV and body mass index was 0.37 (p < 0.01). The PIH-free rate at 2years postoperatively was 78.2% among all patients. The multivariate athen  350 cm3.

Artificial intelligence (AI) and computer vision (CV) have revolutionized image analysis. In surgery, CV applications have focused on surgical phase identification in laparoscopic videos. We proposed to apply CV techniques to identify phases in an endoscopic procedure, peroral endoscopic myotomy (POEM).

POEM videos were collected from Massachusetts General and Showa University Koto Toyosu Hospitals. Videos were labeled by surgeons with the following ground truth phases (1) Submucosal injection, (2) Mucosotomy, (3) Submucosal tunnel, (4) Myotomy, and (5) Mucosotomy closure. The deep-learning CV model-Convolutional Neural Network (CNN) plus Long Short-Term Memory (LSTM)-was trained on 30 videos to create POEMNet. We then used POEMNet to identify operative phases in the remaining 20 videos. The model's performance was compared to surgeon annotated ground truth.

POEMNet's overall phase identification accuracy was 87.6% (95% CI 87.4-87.9%). When evaluated on a per-phase basis, the model performed well, with mean unweighted and prevalence-weighted F1 scores of 0.766 and 0.875, respectively. The model performed best with longer phases, with 70.6% accuracy for phases that had a duration under 5 min and 88.3% accuracy for longer phases.

A deep-learning-based approach to CV, previously successful in laparoscopic video phase identification, translates well to endoscopic procedures. With continued refinements, AI could contribute to intra-operative decision-support systems and post-operative risk prediction.

A deep-learning-based approach to CV, previously successful in laparoscopic video phase identification, translates well to endoscopic procedures. With continued refinements, AI could contribute to intra-operative decision-support systems and post-operative risk prediction.

Competency in endoscopy has traditionally been based on number of procedures performed. With movement towards milestone-based accreditation, new standards of establishing competency are required. The Thompson Endoscopic Skills Trainer (TEST) is a training device previously shown to differentiate between novice and expert endoscopists. This study aims to correlate TEST scores to other markers of performance in endoscopy.

Trainees of a gastroenterology fellowship program were guided through the TEST. Their scores and sub-scores were correlated to their endoscopic metrics of performance, including adenoma detection rate, cecal intubation rate, cecal intubation time, withdrawal time, fentanyl usage, midazolam usage, pain score, overall procedure time, and performance on the ASGE Assessment of Competency in Endoscopy Tool (ACE Tool).

The Overall Score positively correlated with the ACE Tool Total Score (r = 0.707, p = 0.010) and sub-scores (Cognitive Skills Score r = 0.624, p = 0.030; Motor Skills Score r = r demonstrating competency in endoscopy.

Inpatient hospital units vary in staffing ratios, monitoring, procedural abilities, and experience with unique patients and diagnoses. The purpose of this study is to assess the impact of patient cohorting upon ventral hernia repair outcomes.

An IRB-approved retrospective review of open ventral hernia repairs between August 2013 and July 2017 was performed. The information of all patient locations during hospitalization, time at location, post-anesthesia care unit duration (PACU), and intensive care unit (ICU) duration was collected. Patient demographics, comorbidities, operative details, cost, and patient outcomes were analyzed. link2 Multivariable analysis of log length of stay (LOS) was assessed with adjustment for clinical and operative factors.

235 patients underwent open ventral hernia repair. 179 patients were admitted to surgical units, 33 non-surgical units, and 23 stayed on both units. Clinical characteristics including patient age, gender, BMI, and medical comorbidities were similar between patienthad an increased length of stay when admitted to non-surgical units. More frequent room transfers occurred in patients admitted to non-surgical units. Evaluation of patient outcomes and LOS in open ventral hernia repair patients based on hospital unit is unique to this study.

Xanthogranulomatous cholecystitis (XGC) is a rare inflammatory gallbladder disease which is difficult to diagnose and treat; XGC may be confused with gallbladder cancer. The present study aimed to evaluate the clinical and radiological features and surgical outcomes, with the aim to determine the appropriate treatment approaches for XGC.

This retrospective study analyzed the clinical characteristics, intraoperative findings, and postoperative outcomes of 31 patients (2.0%) who were diagnosed with XGC based on histopathological findings among 1513 patients who underwent cholecystectomy at our hospital between January 2010 and July 2019.

Preoperative ultrasonography and computed tomography findings indicated acute cholecystitis, chronic cholecystitis, and suspicious XGC in 26 (83.9%) patients with thickening of the gallbladder wall and suspicious gallbladder cancer in 5 (16.1%) patients. Abdominal pain and jaundice were observed in 18 (58.1%) patients and 5 (16.1%) patients, respectively. Biliary drainagetended surgery.

Laparoscopic cholecystectomy for XGC is possible, but often difficult due to severe inflammation. The frequency of conversion to open surgery is higher in patients with XGC than those with other forms of cholecystitis. XGC may resemble gallbladder cancer based on the diagnostic imaging findings, and intraoperative frozen section analysis is essential to avoid unnecessarily extended surgery.

Outcomes of incisional hernia repair (IHR) include recurrence and quality of life (QOL). link3 Operative approaches include laparoscopic, open, and robotic approaches. Data regarding comparative QOL outcomes among these repair types are unknown. Our study evaluates quality of life after three approaches to IHR.

Patients undergoing open (OHR), laparoscopic (LIHR), and robotic extra-peritoneal (RIHR) at a single institution from 2009 to 2019 were reviewed from a prospectively managed quality database. Short-term QOL was compared among the three procedures using the Surgical Outcomes Measurement System (SOMS) and Carolinas Comfort Scale (CCS), objective pain scores and postoperative narcotic use. Data regarding length of stay (LOS), emergency department (ED) visits, readmission, reoperations and surgical site infection (SSI) were also collected.

A total of 795 patients undergoing IHR were analyzed (418 open, 300 laparoscopic and 77 robotic). Patient were similar in age, gender and co-morbidities. LIHR patients had higher BMI and RIHR patients had larger hernia and mesh size. LOS was longer and rate of SSI was higher for OIHR compared to laparoscopic and RIHR. Patients undergoing LIHR reported increased narcotic use, Visual Analogue Scale (VAS) and CCS pain scores compared to open and robotic repair. Return to daily activity was 4days shorter for robotic than open and laparoscopic repair; ED visits, readmissions, reoperations, and other QOL domains were similar.

Our data suggests that short-term quality of life after robotic extra-peritoneal IHR is improved compared to open and laparoscopic repair. Additional follow up is required to determine differences in long-term QOL after IHR.

Our data suggests that short-term quality of life after robotic extra-peritoneal IHR is improved compared to open and laparoscopic repair. Additional follow up is required to determine differences in long-term QOL after IHR.