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https://www.readbyqxmd.com/read/27925585/using-contact-forces-and-robot-arm-accelerations-to-automatically-rate-surgeon-skill-at-peg-transfer
#1
Jeremy Brown, Conor O'Brien, Sarah Leung, Kristoffel Dumon, David Lee, Katherine Kuchenbecker
OBJECTIVE: Most trainees begin learning robotic minimally invasive surgery by performing inanimate practice tasks with clinical robots such as the Intuitive Surgical da Vinci. Expert surgeons are commonly asked to evaluate these performances using standardized five-point rating scales, but doing such ratings is time consuming, tedious, and somewhat subjective. This article presents an automatic skill evaluation system that analyzes only the contact force with the task materials, the broad-bandwidth accelerations of the robotic instruments and camera, and the task completion time...
December 2, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/27919131/-an-intravesical-foreign-body-after-caesarean-section-and-tissue-fixing-system-tfs-operation-two-case-reports
#2
Kohei Mori, Masahiro Yanagisawa, Kotaro Hirai
Foreign body in the bladder is a relatively rare case. We encountered two cases of foreign bodies in the bladder after gynecological surgery. Case 1 was a 72-year-old woman. When she was 70 years old,an operation for her pelvic organ prolapse was performed. She visited our hospital because of discomfort in urination. We performed a transurethral lithotripsy of the bladder stone and detected a foreign body,and it was an anchor used for the Tissue Fixation System(TFS)operation (a pelvic organ prolapse operation)...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27916868/characterization-and-schwann-cell-seeding-of-up-to-15-0-cm-long-spider-silk-nerve-conduits-for-reconstruction-of-peripheral-nerve-defects
#3
Tim Kornfeld, Peter M Vogt, Vesna Bucan, Claas-Tido Peck, Kerstin Reimers, Christine Radtke
Nerve reconstruction of extended nerve defect injuries still remains challenging with respect to therapeutic options. The gold standard in nerve surgery is the autologous nerve graft. Due to the limitation of adequate donor nerves, surgical alternatives are needed. Nerve grafts made out of either natural or artificial materials represent this alternative. Several biomaterials are being explored and preclinical and clinical applications are ongoing. Unfortunately, nerve conduits with successful enhancement of axonal regeneration for nerve defects measuring over 4...
November 30, 2016: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/27916593/clinical-application-of-dual-energy-spectral-computed-tomography-in-detecting-cholesterol-gallstones-from-surrounding-bile
#4
Chuang-Bo Yang, Shuang Zhang, Yong-Jun Jia, Hai-Feng Duan, Guang-Ming Ma, Xi-Rong Zhang, Yong Yu, Tai-Ping He
RATIONALE AND OBJECTIVE: This study aimed to investigate the clinical value of spectral computed tomography (CT) in the detection of cholesterol gallstones from surrounding bile. MATERIALS AND METHODS: This study was approved by the institutional review board. The unenhanced spectral CT data of 24 patients who had surgically confirmed cholesterol gallstones were analyzed. Lipid concentrations and CT numbers were measured from fat-based material decomposition image and virtual monochromatic image sets (40-140 keV), respectively...
December 1, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27916357/triclosan-sutures-for-surgical-site-infection-in-colorectal-cancer
#5
Kanefumi Yamashita, Shinsuke Takeno, Seiichiro Hoshino, Hironari Shiwaku, Naoya Aisu, Yoichiro Yoshida, Syu Tanimura, Yuichi Yamashita
BACKGROUND: Among all procedures, surgical site infections (SSIs) in colorectal surgery continue to have the highest rate, accounting for 5%-45%. To prevent the bacterial colonization of suture material, which disables local mechanisms of wound decontamination, triclosan-coated sutures were developed. We assessed the effectiveness of triclosan-coated sutures used for skin closure on the rate of SSIs in colorectal cancer surgery. METHODS: Until August 2012, we used conventional methods for skin closure in colorectal cancer surgery at the Department of Gastroenterological Surgery, Fukuoka University Faculty of Medicine...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27916178/arthroscopy-techniques-the-premier-arthroscopic-video-library
#6
EDITORIAL
J Martin Leland, James H Lubowitz, Matthew T Provencher
Arthroscopy has always been focused on its roots-providing practical, clinically relevant information for the practicing arthroscopist. In the digital age, there is a need for publication platforms dedicated to multimedia presentations, hence the birth of Arthroscopy Techniques, Arthroscopy's online video companion. With over 700 videos, our library is filled with an exceptional collection of arthroscopic educational material, with topics ranging from the basics of arthroscopy to the most complex surgical procedures...
December 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27912820/modern-endodontic-microsurgery-concepts-a-clinical-update
#7
REVIEW
Spyros Floratos, Syngcuk Kim
Increased use of the surgical operating microscope in endodontic surgery has elucidated many shortcomings of previous techniques and along with microsurgical instruments and new more biologically acceptable root-end filling materials has started the new microsurgical era in surgical endodontics. Endodontic microsurgery is a minimally invasive technique that results in less postoperative pain and edema and faster wound healing. It offers a significantly higher success rate than traditional apical surgery technique...
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27911674/cross-sectional-imaging-anatomy-and-pathologic-conditions-affecting-thoracic-nerves
#8
Kristopher W Cummings, Sreevathsan Sridhar, Matthew S Parsons, Cylen Javidan-Nejad, Sanjeev Bhalla
While in many cases they are not directly visualized, awareness of the thoracic nerves and their courses at cross-sectional imaging is important for radiologists. An understanding of the normal function of each nerve is important, as many patients present with neurologic signs and symptoms that can be used to reinforce search patterns for disease and detection of supportive radiologic abnormalities. In the case of primary neoplasms, understanding the expected presence of a nerve in the location of a mass can enhance and improve the accuracy of differential diagnoses...
December 2, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27911356/importance-rat-liver-morphology-and-vasculature-in-surgical-research
#9
Katarína Vdoviaková, Katarína Vdoviaková, Eva Petrovová, Lenka Krešáková, Marcela Maloveská, Jana Teleky, Janka Jenčová, Jozef Živčák, Andrej Jenča
BACKGROUND The laboratory rat is one of the most popular experimental models for the experimental surgery of the liver. The objective of this study was to investigate the morphometric parameters, physiological data, differences in configuration of liver lobes, biliary system, and vasculature (arteries, veins, and lymphatic vessels) of the liver in laboratory rats. In addition, this study supports the anatomic literature and identified similarities and differences with human and other mammals. MATERIAL AND METHODS Forty laboratory rats were dissected to prepare corrosion casts of vascular system specimens (n=20), determine the lymph vessels and lymph nodes (n=10), and for macroscopic anatomical dissection (n=10) of the rat liver...
December 2, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27910171/results-of-computed-tomography-in-dogs-with-suspected-wooden-foreign-bodies
#10
Christopher R Lamb, Elizabeth H W Pope, Karla C L Lee
Detection of wooden foreign bodies in dogs can be challenging. A retrospective, cross-sectional study was done to describe computed tomographic (CT) signs associated with wooden foreign bodies, and to estimate the accuracy of CT for detection of wooden foreign bodies. Patient records and CT images were reviewed for 72 dogs that had a history of suspected stick injury and CT of the affected body part, or possible wooden foreign object reported on CT, and had surgical exploration during the same period of hospitalization...
December 1, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27909673/how-to-build-your-simple-and-cost-effective-arthroscopic-skills-simulator
#11
Georgios Arealis, James Holton, Joana Bento Rodrigues, Maria Sagkrioti, Martyn Snow, Mark Hamlet, Ofer Levy
Acquisition of arthroscopic skills is not always easy and can be time-consuming. Simulation in arthroscopy improves surgical skills and can bridge the gap between reduced surgical exposure and training time and the need to reach a required level of competency. We propose a method to create a simple and cost-effective arthroscopic skills simulator using readily available materials and a low-cost Web camera available from online shops. This arthroscopic simulation device can be used to improve skills of all levels of trainees at home, in a bioskills laboratory, or in the theater...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909288/reconstruction-of-isolated-inferior-right-hepatic-vein-s-in-right-lobe-living-donor-liver-transplantation-using-polytetrafluoroethylene-grafts-a-new-feasible-concept-technique-of-bridging-conduit-venoplasty-and-outcomes
#12
Ashok Thorat, Shih-Chao Hsu, Horng-Ren Yang, Ping-Chun Li, Ming-Li Li, Chun-Chieh Yeh, Te-Hung Chen, Kin-Shing Poon, Long-Bin Jeng
BACKGROUND Right lobe living donor liver transplantation (LDLT) remains the most common form of liver transplantation in Asia. However, reconstruction of the venous outflow in a right liver allograft may pose technical difficulties if hepatic venous variations are present. Recently, much emphasis has been given to the reconstruction of large and multiple inferior right hepatic veins (IRHVs). The method of reconstructive technique, type of vascular grafts, and the outcome after the procedure have been a point of debate...
December 2, 2016: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/27906442/the-role-of-fillers-in-aesthetic-medicine-medico-legal-aspects
#13
E Marinelli, G Montanari Vergallo, G Reale, A di Luca, I Catarinozzi, S Napoletano, S Zaami
In recent years there has been an exponential increase of fillers use in aesthetic medicine. The popularity of this anti-wrinkle product is based on their capacity to offer significant improvement in the aesthetic field, particularly to skin rejuvenating processes with non-invasive and less expensive techniques, if compared to the surgical methods (i.e. surgical lifting). The great number of fillers on the market is composed of a large heterogenic number of biomaterials. The aim of this review was to provide an overview and a classification of the filling materials that are most commonly used...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27904754/polymethylmethacrylate-imbedded-with-antibiotics-cranioplasty-an-infection-solution-for-moderate-and-large-defects-reconstruction
#14
Paulo Valdeci Worm, Tobias Ludwig do Nascimento, Fabricio do Couto Nicola, Eduardo Farias Sanches, Carlos Fernando Dos Santos Moreira, Luiz Pedro Willimann Rogério, Marcelo Martins Dos Reis, Guilherme Finger, Marcus Vinicius Martins Collares
BACKGROUND: In cases where autologous bone graft reconstruction is not possible (such as comminuted fractures, bone graft reabsorption, or infection) and the use of synthetic material is required, polymethylmethacrylate (PMMA) use is a safe and efficient solution. Studies comparing the incidence of postoperative complications between autologous and synthetic cranioplasty are heterogeneous, not allowing a conclusion of which is the best material for skull defects reconstruction. Current medical literature lacks prospective well-delineated studies with long-term follow-up that analyze the impact of antibiotic use in PMMA cranial reconstruction of moderate and large defects...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27903471/bovine-pericardium-as-new-technical-option-for-in-situ-reconstruction-of-aortic-graft-infection
#15
Brigitta Lutz, Christian Reeps, Gabor Biro, Christoph Knappich, Alexander Zimmermann, Hans-Henning Eckstein
OBJECTIVE: Alloplastic aortic graft infection is a devastating complication following aortic surgery. It is associated with excessively high mortality and morbidity caused by anastomotic rupture or septicemia. Many authors consider in situ replacement after complete surgical graft removal as the method of choice. However, there is an ongoing debate about the most suitable material for reconstruction. We present our first experiences with replacing the descending and infra-renal aorta using custom-made bovine pericardium grafts...
November 26, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27900811/exuberant-squamous-metaplasia-with-calcification-following-intraoperative-radiotherapy-for-breast-carcinoma-report-of-an-unusual-case-and-retrospective-review-of-cases-from-a-single-institution
#16
Paula S Ginter, John Ng, Rebecca Zhuo, Alexander J Swistel, Timothy M D'Alfonso
Intraoperative radiotherapy (IORT) is a novel and increasingly utilized radiation technique in the treatment of breast carcinoma. There are few reports on the histologic changes seen in breast tissue from patients who have undergone IORT. We sought to evaluate the histologic changes observed in specimens received following IORT, as well as report an unusual case which prompted our study. A retrospective review of patients who received IORT and subsequently had breast tissue histologically evaluated at our institution was performed...
November 30, 2016: Breast Journal
https://www.readbyqxmd.com/read/27900313/semitendinosus-and-gracilis-free-muscle-tendon-graft-for-repair-of-massive-rotator-cuff-tears-surgical-technique
#17
Antonio Gigante, Carlo Bottegoni, Giuseppe Milano, Michele Riccio, Luca Dei Giudici
Massive rotator cuff tears are difficult to treat surgically due to retraction, degeneration and fraying of the ends of torn tendons, severe fatty infiltration and atrophy of the respective muscles. Procedures developed to close the gap between the rotator cuff and the greater tuberosity of the humerus, such as soft tissue release may be inadequate for large tears. Human or porcine dermal allografts still have uncertain benefits, and tendon transfers seem to be associated with poor outcomes, donor site morbidity and altered mechanics...
July 2016: Joints
https://www.readbyqxmd.com/read/27899950/bone-anchored-titanium-implants-in-patients-with-auricular-defects-three-years-and-27-patients-experience
#18
Emilio Mevio, Luca Facca, Stefano Schettini, Mauro Mullace
Different surgical solutions have been proposed for reconstruction of the auricle following loss of the pinna through traumatic injury or neoplastic disease or in patients with congenital defects. Surgical treatment may involve the insertion of an autogenous rib cartilage framework or the use of a porous polymer material inserted into an expanded postauricular flap. Reconstruction with rib cartilage has yielded good results but requires more than one surgical step, and adverse events can occur both at the donor and at the acceptor site; cases of prosthesis rejection have also been described following application of the polymeric prosthesis...
2016: International Journal of Otolaryngology
https://www.readbyqxmd.com/read/27897397/development-and-validation-of-a-septoplasty-training-model-using-3-dimensional-printing-technology
#19
Mahmoud A AlReefi, Lily H P Nguyen, Luc G Mongeau, Bassam Ul Haq, Siddharth Boyanapalli, Nauman Hafeez, Francois Cegarra-Escolano, Marc A Tewfik
BACKGROUND: Providing alternative training modalities may improve trainees' ability to perform septoplasty. Three-dimensional printing has been shown to be a powerful tool in surgical training. The objectives of this study were to explain the development of our 3-dimensional (3D) printed septoplasty training model, to assess its face and content validity, and to present evidence supporting its ability to distinguish between levels of surgical proficiency. METHODS: Imaging data of a patient with a nasal septal deviation was selected for printing...
November 29, 2016: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/27896159/intestinal-atresia-experience-at-a-busy-center-of-north-west-india
#20
Shilpi Gupta, Rahul Gupta, Soumyodhriti Ghosh, Arun Kumar Gupta, Arvind Shukla, Vinita Chaturvedi, Praveen Mathur
Objective: To evaluate the presentation, management, complications and outcome of intestinal atresia (IA) managed at our center over a period of 1 year. Materials and methods: Records of patients of IA admitted in our center from January 2015 to December 2015 were retrospectively analyzed. Demographic data, antenatal history, presenting complaints, location (duodenal, jejunoileal, colonic) of atresia, surgery performed and peri-operative complications were noted. Results: Total 78 cases of IA were included in the analyses...
October 2016: Journal of Neonatal Surgery
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