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Surgical and Simulation

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https://www.readbyqxmd.com/read/28636498/a-novel-clinical-simulated-suture-education-for-basic-surgical-skill-suture-on-the-biological-tissue-fixed-on-standardized-patient-evaluated-with-objective-structured-assessment-of-technical-skill-osats-tools
#1
Zhanlong Shen, Fan Yang, Pengji Gao, Li Zeng, Guanchao Jiang, Shan Wang, Yingjiang Ye, Fengxue Zhu
BACKGROUND: Clinical-simulated training has shown benefit in the education of medical students. However, the role of clinical simulation for surgical basic skill training such as suturing techniques remains unclear. MATERIALS AND METHODS: Forty-two medical students were asked to perform specific suturing tasks at three stations with the different settings within four minutes (Station 1: Synthetic suture pad fixed on the bench, Station 2: Synthetic suture pad fixed on the standardized patient, Station 3: Pig skin fixed on the standardized patient); the OSATS (Objective Structured Assessment of Technical Skill) tool was used to evaluate the performance of students...
June 21, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28634632/can-a-virtual-reality-surgical-simulation-training-provide-a-self-driven-and-mentor-free-skills-learning-investigation-of-the-practical-influence-of-the-performance-metrics-from-the-virtual-reality-robotic-surgery-simulator-on-the-skill-learning-and-associated
#2
Gyusung I Lee, Mija R Lee
BACKGROUND: While it is often claimed that virtual reality (VR) training system can offer self-directed and mentor-free skill learning using the system's performance metrics (PM), no studies have yet provided evidence-based confirmation. This experimental study investigated what extent to which trainees achieved their self-learning with a current VR simulator and whether additional mentoring improved skill learning, skill transfer and cognitive workloads in robotic surgery simulation training...
June 20, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28634630/development-and-validation-of-a-tool-for-non-technical-skills-evaluation-in-robotic-surgery-the-icars-system
#3
Nicholas Raison, Thomas Wood, Oliver Brunckhorst, Takashige Abe, Talisa Ross, Ben Challacombe, Mohammed Shamim Khan, Giacomo Novara, Nicolo Buffi, Henk Van Der Poel, Craig McIlhenny, Prokar Dasgupta, Kamran Ahmed
BACKGROUND: Non-technical skills (NTS) are being increasingly recognised as vital for safe surgical practice. Numerous NTS rating systems have been developed to support effective training and assessment. Yet despite the additional challenges posed by robotic surgery, no NTS rating systems have been developed for this unique surgical environment. This study reports the development and validation of the first NTS behavioural rating system for robotic surgery. METHODS: A comprehensive index of all relevant NTS behaviours in robotic surgery was developed through observation of robotic theatre and interviews with robotic surgeons...
June 20, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28633637/seroma-change-during-magnetic-resonance-imaging-guided-partial-breast-irradiation-and-its-clinical-implications
#4
Seung Hyuck Jeon, Kyung Hwan Shin, So-Yeon Park, Jung-In Kim, Jong Min Park, Jin Ho Kim, Eui Kyu Chie, Hong-Gyun Wu
BACKGROUND: To investigate the patterns of post-lumpectomy seroma volume (SV) change and related clinical factors to determine the benefits of adaptive planning in magnetic resonance imaging (MRI)-guided partial breast irradiation (PBI). METHODS: MRI data obtained from 37 women with early breast cancer acquired at simulation and at the 1st, 6th, and 10th fractions were analyzed. The planning target volume (PTV) was defined as unequal margins of 10-15 mm added according to the directional surgical margin status of each seroma...
June 20, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28632550/suture-choice-in-lumbar-dural-closure-contributes-to-variation-in-leak-pressures-experimental-model
#5
George M Ghobrial, Christopher M Maulucci, Matthew J Viereck, Sara Beygi, Ameet Chitale, Srinivas Prasad, Jack Jallo, Joshua Heller, Ashwini D Sharan, James S Harrop
STUDY DESIGN: Open-label laboratory investigational study; non-animal surgical simulation. OBJECTIVE: The authors perform a comparison of dural closure strength in a durotomy simulator across 2 different suture materials. SUMMARY OF BACKGROUND DATA: Incidental durotomy leading to persistent cerebrospinal fluid leak adds considerable morbidity to spinal procedures, often complicating routine elective lumbar spinal procedures. Using an experimental durotomy simulation, the authors compare the strength of closure using Gore-Tex with other suture types and sizes, using various closure techniques...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28630884/evaluation-of-a-high-resolution-patient-specific-model-of-the-electrically-stimulated-cochlea
#6
Ahmet Cakir, Robert T Dwyer, Jack H Noble
Cochlear implants (CIs) are surgically implanted medical devices used to treat individuals with severe-to-profound sensorineural hearing loss. Although these devices have been remarkably successful at restoring audibility, many patients experience poor outcomes. Our group has developed the first image-guided CI programming technique where the electrode positions are found in CT images and used to estimate neural activation patterns, which is unique information that audiologists can use to define patient-specific processor settings...
April 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28630221/retrorectal-tumour-simulating-vaginal-birth-an-exceptional-case-of-emergency-surgery-indication
#7
Eduardo Alvarez-Sarrado, Salvador Pous-Serrano, Omar Carreño Saenz, Jose Pamies-Gilabert
Cystic retrorectal tumours are a very rare entity that pose a problem in differential diagnosis between congenital cyst and other lesions. We present a 49-year-old female patient presenting a perineal bulge which was discovered simulating a vaginal birth associated with prolapsed haemorrhoids grade IV. The interest of this case resides in the surgical indication of a big presacral cyst demonstrated via CT causing acute intense pain due to pelvic organ compression, as no emergent surgery management has been reported up to date...
June 19, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28628603/field-and-en-route-resuscitative-endovascular-occlusion-of-the-aorta-a-feasible-military-reality
#8
Viktor A Reva, Tal M Hörer, Andrey I Makhnovskiy, Mikhail V Sokhranov, Igor M Samokhvalov, Joseph J DuBose
BACKGROUND: Severe noncompressible torso hemorrhage remains a leading cause of potentially preventable death in modern military conflicts. Resuscitative endovascular occlusion of the aorta (REBOA) has demonstrated potential as an effective adjunct to the treatment of noncompressible torso hemorrhage in the civilian early hospital and even prehospital settings-but the application of this technology for military prehospital use has not been well described. We aimed to assess the feasibility of both field and en route prehospital REBOA in the military exercise setting, simulating a modern armed conflict...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28628601/the-damage-control-surgery-in-austere-environments-research-group-dcsaerg-a-dynamic-program-to-facilitate-real-time-telementoring-telediagnosis-to-address-exsanguination-in-extreme-and-austere-environments
#9
Andrew W Kirkpatrick, Jessica L McKee, Paul B McBeth, Chad G Ball, Anthony LaPorta, Timothy Broderick, Tim Leslie, David King, Heather E Wright Beatty, Jocelyn Keillor, Homer Tien
Hemorrhage is the most preventable cause of posttraumatic death. Many cases are potentially anatomically salvageable, yet remain lethal without logistics or trained personnel to deliver diagnosis or resuscitative surgery in austere environments. Revolutions in technology for remote mentoring of ultrasound and surgery may enhance capabilities to utilize the skill sets of non-physicians. Thus, our research collaborative explored remote mentoring to empower non-physicians to address junctional and torso hemorrhage control in austere environments...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28624230/the-correlation-between-fundamental-characteristics-and-first-time-performance-in-laparoscopic-tasks
#10
Cuan M Harrington, Richard Bresler, Donncha Ryan, Patrick Dicker, Oscar Traynor, Dara O Kavanagh
BACKGROUND: The ability of characteristics to predict first time performance in laparoscopic tasks is not well described. Videogame experience predicts positive performance in laparoscopic experiences but its mechanism and confounding-association with aptitude remains to be elucidated. This study sought to evaluate for innate predictors of laparoscopic performance in surgically naive individuals with minimal videogame exposure. METHODS: Participants with no prior laparoscopic exposure and minimal videogaming experience were recruited consecutively from preclinical years at a medical university...
June 8, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28623681/soft-tissue-changes-measured-with-three-dimensional-software-provides-new-insights-for-surgical-predictions
#11
Yu-Jen Chang, Antônio C O Ruellas, Marilia S Yatabe, Philip M Westgate, Lucia H S Cevidanes, Sarandeep S Huja
PURPOSE: Although computer-aided craniofacial reconstructions allows for simulation of hard tissue changes, the prediction of the final soft tissue facial changes remains a challenge. The purpose of the present study was to evaluate the 3-dimensional (3D) soft tissue changes in patients undergoing 2-jaw orthognathic surgery. PATIENTS AND METHODS: For the present retrospective cohort study, 40 consecutive patients (11 men and 29 women; mean age 23.5 ± 4.9 years) who had undergone 2-jaw orthognathic surgery were selected...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28623479/fast-calibration-of-electromagnetically-tracked-oblique-viewing-rigid-endoscopes
#12
Xinyang Liu, Christina E Rice, Raj Shekhar
PURPOSE: The oblique-viewing (i.e., angled) rigid endoscope is a commonly used tool in conventional endoscopic surgeries. The relative rotation between its two moveable parts, the telescope and the camera head, creates a rotation offset between the actual and the projection of an object in the camera image. A calibration method tailored to compensate such offset is needed. METHODS: We developed a fast calibration method for oblique-viewing rigid endoscopes suitable for clinical use...
June 16, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28623113/does-robotic-surgical-simulator-performance-correlate-with-surgical-skill
#13
James T Mills, Helen Y Hougen, Daniel Bitner, Tracey L Krupski, Noah S Schenkman
OBJECTIVE: To assess the relationship between robotic surgical simulation performance and the real-life surgical skill of attending surgeons. We hypothesized that simulation performance would not correlate with real-life robotic surgical skill in attending surgeons. DESIGN: In 2013, Birkmeyer et al. demonstrated an association between laparoscopic surgical performance as determined by expert review of video clips and surgical outcomes. Using that model of expert review, we studied the relationship between robotic simulator performance and real-life surgical skill...
June 13, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28619402/global-health-values-of-a-multidirectional-near-peer-training-program-in-surgery-pathology-anatomy-research-methodology-and-medical-education-for-haitian-rwandan-and-canadian-medical-students
#14
Malik Elharram, Trish Dinh, Annie Lalande, Susan Ge, Sophie Gao, Geoffroy Noël
BACKGROUND: As health care delivery increasingly requires providers to cross international borders, medical students at McGill University, Canada, developed a multidirectional exchange program with Haiti and Rwanda. The program integrates surgery, pathology, anatomy, research methodology, and medical education. OBJECTIVE: The aim of the present study was to explore the global health value of this international training program to improve medical education within the environment of developing countries, such as Haiti and Rwanda, while improving sociocultural learning of Canadian students...
March 2017: Annals of Global Health
https://www.readbyqxmd.com/read/28618097/accuracy-of-navigated-cam-resection-in-femoroacetabular-impingement-a-randomised-controlled-trial
#15
Jan Van Houcke, Vikas Khanduja, Naoki Nakano, Peter Krekel, Christophe Pattyn, Emmanuel Audenaert
BACKGROUND: The main cause for revision hip arthroscopy surgery is incomplete bony resection of femoroacetabular impingement (FAI). This study aimed to compare the cam resection accuracy via the conventional hip arthroscopy technique with the navigation technique. METHODS: Two prospectively randomized groups were recruited: navigated (n = 15) and conventional (n = 14). A pre-operative CT and post-operative MRI scan were obtained in all cases to compare alpha angle, range of motion simulation and determine a pre-operative 3D surgical resection plan...
June 15, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28616636/a-semi-automated-approach-to-improve-the-efficiency-of-medical-imaging-segmentation-for-haptic-rendering
#16
Pat Banerjee, Mengqi Hu, Rahul Kannan, Srinivasan Krishnaswamy
The Sensimmer platform represents our ongoing research on simultaneous haptics and graphics rendering of 3D models. For simulation of medical and surgical procedures using Sensimmer, 3D models must be obtained from medical imaging data, such as magnetic resonance imaging (MRI) or computed tomography (CT). Image segmentation techniques are used to determine the anatomies of interest from the images. 3D models are obtained from segmentation and their triangle reduction is required for graphics and haptics rendering...
June 14, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28616609/three-dimensional-computed-tomography-simulation-for-laparoscopic-lymph-node-dissection-in-the-treatment-of-proximal-gastric-cancer
#17
REVIEW
Hideki Sunagawa, Takahiro Kinoshita
Application of laparoscopic surgery (LS) has expanded worldwide in the various fields due to the potential advantage of being less invasive than open surgery; however difficulty in recognizing positional relationship of the organs is one of the disadvantages of this kind of surgery. In order to compensate this drawback, preoperative three-dimensional computed tomography (3D-CT) simulation is regarded as promising. In gastric cancer surgery, 3D-CT simulation seems particularly effective in the splenic hilar dissection, because this region is associated with remarkable anatomical variation with complexity...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28616369/management-of-an-obstructed-tracheostomy-in-a-limited-resource-setting
#18
Julie Chiaravalli, Norman Lufesi, Elwin Shawa, Vitumbiko Nkhoma, Elaine Sigalet, Adam Dubrowski
Obstruction of a tracheostomy tube is a common cause of respiratory compromise in adults and pediatric patients, which can lead to a life-threatening emergency if it is not properly managed. Compromised airway patency has many potential etiologies; however, the scenario described in this technical report focuses specifically on the management of tracheostomy obstruction through the presence of a mucus plug, blood clot, or highly viscous secretions. The simulation described in this technical report was written to be conducted as an in-situ simulation within the intensive care unit (ICU) at Mzuzu Central Hospital, Malawi...
May 13, 2017: Curēus
https://www.readbyqxmd.com/read/28615807/soft-embalming-of-cadavers-for-training-purposes-optimising-for-long-term-use-in-tropical-weather
#19
Raghuveer Reddy, Subramania Iyer, Minnie Pillay, Krishnakumar Thankappan, Janarthanan Ramu
BACKGROUND: Surgical and anatomical training has been found to be most optimally simulated in a cadaver than any other available methods. Soft embalming methods have made the bodies more 'lifelike' and better suited for training. The widely accepted soft embalming techniques, including Thiel embalming, are designed for temperate climates. Their use in tropical locations has been found to be associated with poor short-term and long-term preservation of the bodies. In fact, adequate reports from tropical countries on effective methods for soft embalming are lacking...
January 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28614638/development-and-validation-of-a-3d-printed-model-of-the-ostiomeatal-complex-and-frontal-sinus-for-endoscopic-sinus-surgery-training
#20
Abdulaziz S Alrasheed, Lily H P Nguyen, Luc Mongeau, W Robert J Funnell, Marc A Tewfik
BACKGROUND: Endoscopic sinus surgery poses unique training challenges due to complex and variable anatomy, and the risk of major complications. We sought to create and provide validity evidence for a novel 3D-printed simulator of the nose and paranasal sinuses. METHODS: Sinonasal computed tomography (CT) images of a patient were imported into 3D visualization software. Segmentation of bony and soft tissue structures was then performed. The model was printed using simulated bone and soft tissue materials...
June 14, 2017: International Forum of Allergy & Rhinology
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