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https://www.readbyqxmd.com/read/28815132/precision-diagnosis-of-melanoma-and-other-skin-lesions-from-digital-images
#1
Abhishek Bhattacharya, Albert Young, Andrew Wong, Simone Stalling, Maria Wei, Dexter Hadley
Melanoma will affect an estimated 73,000 new cases this year and result in 9,000 deaths, yet precise diagnosis remains a serious problem. Without early detection and preventative care, melanoma can quickly spread to become fatal (Stage IV 5-year survival rate is 20-10%) from a once localized skin lesion (Stage IA 5- year survival rate is 97%). There is no biomarker for melanoma in clinical use, and the current diagnostic criteria for skin lesions remains subjective and imprecise. Accurate diagnosis of melanoma relies on a histopathologic gold standard; thus, aggressive excision of melanocytic skin lesions has been the mainstay of treatment...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28814057/a-study-on-the-cough-augmentation-using-a-belt-driven-assistive
#2
Sang-Yoep Lee, Kyu-Jin Cho
Coughing is one of the most important mechanisms performed in human body in that it removes mucus. The absence of enough ability to remove mucus leads to accumulation of the mucus on the airway, followed by possible complications such as pneumonia and atelectasis. Patients with diseases or disorders such as spinal cord injury have weakened ability in coughing. So far, there have been various treatments such as intubation surgery, mechanical insufflation-exsufflation or manual assistance provided by paramedic...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813991/voluntary-phantom-hand-and-finger-movements-in-transhumerai-amputees-could-be-used-to-naturally-control-polydigital-prostheses
#3
Nathanael Jarrasse, Caroline Nicol, Florian Richer, Amelie Touillet, Noel Martinet, Jean Paysant, Jozina B De Graaf
An arm amputation is extremely invalidating since many of our daily tasks require bi-manual and precise control of hand movements. Perfect hand prostheses should therefore offer a natural, intuitive and cognitively simple control over their numerous biomimetic active degrees of freedom. While efficient polydigital prostheses are commercially available, their control remains complex to master and offers limited possibilities, especially for high amputation levels. In this pilot study, we demonstrate the possibility for upper-arm amputees to intuitively control a polydigital hand prosthesis by using surface myoelectric activities of residual limb muscles (sEMG) associated with phantom limb movements, even if these residual arm muscles on which the phantom activity is measured were not naturally associated with hand movements before amputation...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28812257/robotic-assisted-microvascular-surgery-skill-acquisition-in-a-rat-model
#4
Nicholas S Clarke, Johnathan Price, Travis Boyd, Stefano Salizzoni, Kenton J Zehr, Alejandro Nieponice, Pietro Bajona
Microsurgery is a technically demanding field with long learning curves. Robotic-assisted microsurgery has the ability to decrease these learning curves. We, therefore, sought to assess the feasibility of robotic-assisted microvascular surgery in a rat model, and whether this could be translated into a worthwhile skills acquisition exercise for residents. Twenty-eight rats underwent microvascular anastomosis. Procedures were performed by a trained microvascular surgeon with no robotic experience (n = 14), or a trained robotic surgeon with no microvascular experience (n = 14)...
August 10, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28812161/a-proficiency-based-virtual-reality-endoscopy-curriculum-improves-performance-on-the-fundamentals-of-endoscopic-surgery-examination
#5
Daniel A Hashimoto, Emil Petrusa, Roy Phitayakorn, Christina Valle, Brenna Casey, Denise Gee
INTRODUCTION: The fundamentals of endoscopic surgery (FES) examination is a national test of knowledge and skill in flexible gastrointestinal endoscopy. The skill portion of the examination involves five tasks that assesses the following skills: scope navigation, loop reduction, mucosal inspection, retroflexion, and targeting. This project aimed to assess the efficacy of a proficiency-based virtual reality (VR) curriculum in preparing residents for the FES skills exam. METHODS: Experienced (>100 career colonoscopies) and inexperienced endoscopists (<50 career colonoscopies) were recruited to participate...
August 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28811142/anatomical-analysis-of-human-ligamentum-flavum-in-the-cervical-spine-special-consideration-to-the-attachments-coverage-and-lateral-extent
#6
Mohammad Suhrab Rahmani, Hidetomi Terai, Javid Akhgar, Akinobu Suzuki, Hiromitsu Toyoda, Masatoshi Hoshino, Koji Tamai, Sayed Abdullah Ahmadi, Kazunori Hayashi, Shinji Takahashi, Hiroaki Nakamura
BACKGROUND: Posterior decompression surgeries of cervical spine such as laminoplasty and laminoforaminotomy are well established and increasing in aging population. The anatomical knowledge of cervical ligamentum flavum (LF) is critical to perform posterior spinal surgeries, however, few studies have evaluated it, especially the relation of LF and neural foramen. METHODS: The whole spine was removed en bloc from 15 formalin-embalmed human cadavers and then divided into two segments along the pedicle bases...
August 12, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28811081/prognostic-value-of-who-grade-in-pancreatic-neuro-endocrine-tumors-in-multiple-endocrine-neoplasia-type-1-results-from-the-dutchmen1-study-group
#7
Elfi B Conemans, Lodewijk A A Brosens, Gabriela M Raicu-Ionita, Carolina R C Pieterman, Wouter W de Herder, Olaf M Dekkers, Ad R Hermus, Anouk N van der Horst-Schrivers, Peter H Bisschop, Bas Havekes, Madeleine L Drent, H Th Marc Timmers, G Johan Offerhaus, Gerlof D Valk, Menno R Vriens
BACKGROUND: The prognostic value of WHO grade in pancreatic neuroendocrine tumors (PanNETs) in patients with Multiple Endocrine Neoplasia Type 1 (MEN1) is unknown. METHODS: We performed a cohort study using the Dutch National MEN1 database, which includes >90% of the Dutch MEN1 population with data collected between 1990 and 2014. Formalin-fixed paraffin embedded tissue blocks from the largest resected PanNET per patient were collected. MIB1 staining was performed and KI67 labeling index (LI) was determined by manual eye-counting under a microscope and by digital image analysis...
July 31, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28807598/effectiveness-of-edema-management-techniques-for-subacute-hand-edema-a-systematic-review
#8
Leanne K Miller, Christina Jerosch-Herold, Lee Shepstone
STUDY DESIGN: Systematic review. INTRODUCTION: Prolonged hand edema can have detrimental effects on range of motion and function. There is no consensus on how best to manage traumatic subacute edema. This is the first systematic review which examines the clinical effectiveness of edema treatments on hand volume. PURPOSE OF THE STUDY: The purpose of this systematic review was to examine the evidence of effectiveness of treatments for sub-acute hand edema...
August 11, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28801924/foramen-epiploicum-mesh-closure-femc-through-a-ventral-midline-laparotomy
#9
T van Bergen, A Rötting, P Wiemer, S Schauvliege, K Vanderperren, F Ugahary, A Martens
BACKGROUND: Preventive laparoscopic closure of the epiploic foramen (EF) has previously been described, but methods for EF closure during laparotomy for treatment of colic are lacking. OBJECTIVES: To describe the Foramen Epiploicum Mesh Closure (FEMC) technique through a ventral midline laparotomy in horses under general anaesthesia and its outcome. STUDY DESIGN: Terminal surgical experiment and in vivo study. METHODS: In a pilot study a standard ventral midline laparotomy was performed under general anaesthesia in 10 experimental horses and a three-dimensional expandable diabolo-shaped mesh construct was manually introduced through the EF into the omental vestibule...
August 12, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28800719/total-ankle-arthroplasty-comparing-perioperative-outcomes-when-performed-at-an-orthopaedic-specialty-hospital-versus-an-academic-teaching-hospital
#10
David M Beck, Eric M Padegimas, David I Pedowitz, Steven M Raikin
BACKGROUND: The number of total ankle arthroplasties (TAAs) performed in the United States has risen significantly in recent years, as has utilization of orthopaedic specialty hospital (OSH) to treat healthy patients undergoing elective surgery. The purpose of this study was to compare postoperative outcomes following TAA at an OSH when compared with a matching population of patients undergoing TAA at an academic teaching hospital (ATH). METHODS: We identified all TAA from January 2014 to December 2014 at the OSH and January 2010 to January 2016 at the ATH...
August 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28796371/inflammatory-bowel-disease-with-primary-sclerosing-cholangitis-a-danish-population-based-cohort-study-1977-2011
#11
Jakob Ørskov Sørensen, Ole Haagen Nielsen, Mikael Andersson, Mark Andrew Ainsworth, Henriette Ytting, Erika Bélard, Tine Jess
BACKGROUND AND AIMS: Inflammatory bowel disease (IBD) may be complicated by primary sclerosing cholangitis (PSC). We aimed to assess the characteristics of Danish PSC-IBD patients and to compare their prognosis with IBD patients without PSC. METHODS: A retrospective nationwide population-based cohort of 257 PSC-IBD patients was assessed through Danish national registries and manual scrutiny of patient files. RESULTS: For all PSC-IBD patients diagnosed after 1976 (n=222) and 8,231 IBD controls (i...
August 10, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28795245/a-systematic-review-and-meta-analysis-of-the-treatment-of-anal-fissure
#12
REVIEW
R L Nelson, D Manuel, C Gumienny, B Spencer, K Patel, K Schmitt, D Castillo, A Bravo, A Yeboah-Sampong
BACKGROUND: Anal fissure has a very large number of treatment options. The choice is difficult. In an effort to assist in that, choice presented here is a systematic review and meta-analysis of all published treatments for anal fissure that have been studied in randomized controlled trials. METHODS: Randomized trials were sought in the Cochrane Controlled Trials Register, Medline, EMBASE and the trials registry sites clinicaltrials.gov and who/int/ictrp/search/en...
August 9, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28791423/preliminary-trial-of-augmented-reality-performed-on-a-laparoscopic-left-hepatectomy
#13
Priyanka Phutane, Emmanuel Buc, Karine Poirot, Erol Ozgur, Denis Pezet, Adrien Bartoli, Bertrand Le Roy
BACKGROUND: Laparoscopic liver surgery is seldom performed, mainly because of the risk of hepatic vein bleeding or incomplete resection of the tumour. This risk may be reduced by means of an augmented reality guidance system (ARGS), which have the potential to aid one in finding the position of intrahepatic tumours and hepatic veins and thus in facilitating the oncological resection and in limiting the risk of operative bleeding. METHODS: We report the case of an 81-year-old man who was diagnosed with a hepatocellular carcinoma after an intraabdominal bleeding...
August 8, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28791056/accuracy-of-different-topographic-instruments-in-calculating-corneal-power-after-myopic-photorefractive-keratectomy
#14
Alireza Baradaran-Rafii, Sahba Fekri, Mohammad Rezaie, Shahram Salehi-Rad, Ali Moradi, Tahmineh Motevasseli, Masumeh Kalantarion
PURPOSE: To compare the corneal power measurements obtained using different topographic instruments after myopic photorefractive keratectomy (PRK). METHODS: Patients with myopia who were candidates for corneal refractive surgery were sequentially included. Pre-PRK and six months post-PRK corneal powers were measured using Javal manual keratometer, Orbscan II, Galilei, Tomey TMS4, and EyeSys 2000 topographers. Measured values were compared with those obtained using the clinical history method (CHM)...
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28790287/-bronchopleural-fistula-intraoperative-prevention-and-postoperative-treatment
#15
Haruhiko Nakamura
Postoperative bronchopleural fistula( BPF) is a life-threatening complication requiring immediate and proper treatments. Now days, the main method for closure of the bronchial stump after lung resection is mechanical stapling because of prevailing of commonly performed video-assisted thoracoscopic surgery. The frequencies of BPF seem to be decreased compared with the age of manual sutures under open thoracotomy, probably due to improvement of the stapling instruments. However, if once BPF occurs, the severity of the disease does not differ between these 2 closing methods...
July 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28777776/immunologic-rejection-episodes-after-deep-anterior-lamellar-keratoplasty-incidence-and-risk-factors
#16
Andres Gonzalez, Marianne O Price, Matthew T Feng, Christopher Lee, Juan G Arbelaez, Francis W Price
PURPOSE: To assess the rejection episode rate after deep anterior lamellar keratoplasty (DALK) and to identify associated risk factors. METHODS: This retrospective review of 251 primary DALK procedures performed by 14 surgeons at a single center between February 2008 and November 2015 evaluated the rejection episode rate and associated risk factors using Kaplan-Meier survival and proportional hazards analyses, which took the length of follow-up into consideration...
September 2017: Cornea
https://www.readbyqxmd.com/read/28774491/does-restoration-of-focal-lumbar-lordosis-for-single-level-degenerative-spondylolisthesis-result-in-better-patient-reported-clinical-outcomes-a-systematic-literature-review
#17
REVIEW
Chanseok Rhee, Sarah Visintini, Cynthia E Dunning, William M Oxner, R Andrew Glennie
It is controversial whether the surgical restoration of sagittal balance and spinopelvic angulation in a single level lumbar degenerative spondylolisthesis results in clinical improvements. The purpose of this study to systematically review the available literature to determine whether the surgical correction of malalignment in lumbar degenerative spondylolisthesis correlates with improvements in patient-reported clinical outcomes. Literature searches were performed via Ovid Medline, Embase, CENTRAL and Web of Science using search terms "lumbar," "degenerative/spondylolisthesis" and "surgery/surgical/surgeries/fusion"...
July 31, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28768780/activity-levels-and-return-to-work-following-total-knee-arthroplasty-in-patients-under-65-years-of-age
#18
C E H Scott, G S Turnbull, D MacDonald, S J Breusch
AIMS: Little is known about employment following total knee arthroplasty (TKA). This study aims to identify factors which predict return to work following TKA in patients of working age in the United Kingdom. PATIENTS & METHODS: We prospectively assessed 289 patients (289 TKAs) aged ≤ 65 years who underwent TKA between 2010 and 2013. There were 148 women. The following were recorded pre-operatively: age, gender, body mass index, social deprivation, comorbidities, indication for surgery, work status and nature of employment, activity level as assessed by the University of California, Los Angeles (UCLA) activity score and Oxford Knee Score (OKS)...
August 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28762253/intraocular-robotic-interventional-surgical-system-iriss-mechanical-design-evaluation-and-master-slave-manipulation
#19
Jason T Wilson, Matthew J Gerber, Stephen W Prince, Cheng-Wei Chen, Steven D Schwartz, Jean-Pierre Hubschman, Tsu-Chin Tsao
BACKGROUND: Since the advent of robotic-assisted surgery, the value of using robotic systems to assist in surgical procedures has been repeatedly demonstrated. However, existing technologies are unable to perform complete, multi-step procedures from start to finish. Many intraocular surgical steps continue to be manually performed. METHODS: An intraocular robotic interventional surgical system (IRISS) capable of performing various intraocular surgical procedures was designed, fabricated, and evaluated...
July 31, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28760257/a-historical-review-of-gender-affirming-medicine-focus-on-genital-reconstruction-surgery
#20
REVIEW
Jordan D Frey, Grace Poudrier, Jennifer E Thomson, Alexes Hazen
Gender dysphoria (Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition) is characterized by a marked discrepancy between one's birth-assigned sex and one's gender identity and is sometimes addressed by gender-affirming surgery. As public visibility and institutional support for the transgender and gender non-conforming population continue to increase, the demand for competent multidisciplinary teams of medical professionals equipped to care for this population is expected to rise-including plastic surgeons, urologists, gynecologists, endocrinologists, and breast surgeons, among others...
August 2017: Journal of Sexual Medicine
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