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Upper extremity prosthetics

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https://www.readbyqxmd.com/read/29098745/prosthodontic-management-of-a-patient-with-moebius-syndrome-a-clinical-report
#1
Ahmed Mahrous, Ghadeer Thalji
Moebius/Mӧbius Syndrome (MS) is an extremely rare congenital disorder characterized by uni- or bilateral palsy of the abducens (VI) and the facial (VII) nerves, causing facial paralysis. Dysfunction of cranial nerves III through XII is common, most often the glossopharyngeal (IX) and hypoglossus (XII). Afflicted individuals seeking prosthodontic care, particularly removable prosthetics, present multiple challenges related to inherent facial and tongue muscle weakness and microstomia. Other extraoral anomalies may include congenital multiple arthrogryposis and malformations of the upper and lower limbs...
November 3, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28873444/effects-of-upper-extremity-vascular-access-creation-on-cardiac-events-in-patients-undergoing-coronary-artery-bypass-grafting
#2
Youngjin Han, Suk Jung Choo, Hyunwook Kwon, Jae Won Lee, Cheol Hyun Chung, Hyangkyoung Kim, Tae-Won Kwon, Yong-Pil Cho
The present study was conducted to investigate whether upper-extremity vascular access (VA) creation increases the risk for major adverse cardiac events (MACE) and death in patients undergoing coronary artery bypass grafting (CABG) with an in situ left internal thoracic artery (ITA) graft. A total of 111 patients with CABG with a left ITA graft who underwent upper-extremity VA creation were analyzed retrospectively; 93 patients received left VA creation (83.8%, ipsilateral group) and 18 patients received right VA creation (16...
2017: PloS One
https://www.readbyqxmd.com/read/28873059/traction-assisted-internal-negative-pressure-wound-therapy-with-bridging-retention-sutures-to-facilitate-staged-closure-of-high-risk-wounds-under-tension
#3
Michael V DeFazio, James M Economides, Ersilia L Anghel, Ryan K Mathis, John R Barbour, Christopher E Attinger
BACKGROUND/OBJECTIVE: Loss of domain often complicates attempts at delayed wound closure in regions of high tension. Wound temporization with traction-assisted internal negative pressure wound therapy (NPWT), using bridging retention sutures, can minimize the effects of edema and elastic recoil that contribute to progressive tissue retraction over time. The investigators evaluated the safety and efficacy of this technique for complex wound closure. MATERIALS AND METHODS: Between May 2015 and November 2015, 18 consecutive patients underwent staged reconstruction of complex and/or contaminated soft tissue defects utilizing either conventional NPWT or modified NPWT with instillation and continuous dermatotraction via bridging retention sutures...
July 26, 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28769755/broadband-prosthetic-interfaces-combining-nerve-transfers-and-implantable-multichannel-emg-technology-to-decode-spinal-motor-neuron-activity
#4
Konstantin D Bergmeister, Ivan Vujaklija, Silvia Muceli, Agnes Sturma, Laura A Hruby, Cosima Prahm, Otto Riedl, Stefan Salminger, Krisztina Manzano-Szalai, Martin Aman, Michael-Friedrich Russold, Christian Hofer, Jose Principe, Dario Farina, Oskar C Aszmann
Modern robotic hands/upper limbs may replace multiple degrees of freedom of extremity function. However, their intuitive use requires a high number of control signals, which current man-machine interfaces do not provide. Here, we discuss a broadband control interface that combines targeted muscle reinnervation, implantable multichannel electromyographic sensors, and advanced decoding to address the increasing capabilities of modern robotic limbs. With targeted muscle reinnervation, nerves that have lost their targets due to an amputation are surgically transferred to residual stump muscles to increase the number of intuitive prosthetic control signals...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28697795/improved-prosthetic-hand-control-with-concurrent-use-of-myoelectric-and-inertial-measurements
#5
Agamemnon Krasoulis, Iris Kyranou, Mustapha Suphi Erden, Kianoush Nazarpour, Sethu Vijayakumar
BACKGROUND: Myoelectric pattern recognition systems can decode movement intention to drive upper-limb prostheses. Despite recent advances in academic research, the commercial adoption of such systems remains low. This limitation is mainly due to the lack of classification robustness and a simultaneous requirement for a large number of electromyogram (EMG) electrodes. We propose to address these two issues by using a multi-modal approach which combines surface electromyography (sEMG) with inertial measurements (IMs) and an appropriate training data collection paradigm...
July 11, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28639478/relation-between-capacity-and-performance-in-paediatric-upper-limb-prosthesis-users
#6
Helen Lindner, Ayako Hiyoshi, Liselotte Hermansson
BACKGROUND: The International Classification of functioning, disability and health refers capacity to what an individual can do in a standardised environment and describes performance as what an individual really does and whether the individual encounters any difficulty in the real-life environment. Measures of capacity and performance can help to determine if there is any gap between them that may restrict participation. The aim of this study was to explore the relationship between capacity scores obtained in a standardised clinical setting and proportional ease of performance obtained from a real-life environment...
June 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28567143/a-new-transalveolar-sinus-lift-procedure-for-single-implant-placement-the-ebanist-technique-a-technical-description-and-case-series
#7
Rosario Rizzo, Vittorio Checchi, Federico Marsili, Antonio Zani, Serena Incerti-Parenti, Luigi Checchi
BACKGROUND: Nowadays, there are many techniques to compensate bone atrophies of the posterior maxilla in order to obtain an implant-supported rehabilitation. OBJECTIVE: This case series describes the Ebanist technique: a sinus lift procedure to be used in case of extremely resorbed bone crests (≤3 mm) allowing simultaneous implant placement. METHODS: With a dedicated cylindrical trephine bur, it is possible to harvest a cylinder of bone from a fresh mineralized frozen homologous bone block graft and to simultaneously create a trapdoor on the recipient site...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28558347/total-hip-prosthesis-complication-periprosthetic-infection-with-external-fistulizing-due-to-enterobacter-cloacae-complex-multiple-drugs-resistance-a-clinical-case-report
#8
V Amorese, M Corda, M Donadu, D Usai, F Pisanu, F Milia, F Marras, A Sanna, D Delogu, V Mazzarello, G Manzoni, M Conti, G B Meloni, S Zanetti, C Doria
INTRODUCTION: The Enterobacter cloacae is a microorganism found in the intestinal flora of the majority of animals, including humans. Primary infections caused by E. cloacae are rare in immunocompetent patients, but are very common in hospital settings in newborns and immunocompromised patients, and can be aggravated by the insurgence of antibiotic resistance. The incidence of periprosthetic hip infections is just below 2%. CASE PRESENTATION: A 76year old woman with multiple comorbidities underwent surgical implantation of intermediary total hip prosthesis of the left hip, in a different health facility, in February 2014, after the basicervical fracture of the upper femur extremity due to trauma...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28352604/osseointegrated-finger-prostheses-using-a-tripod-titanium-mini-plate
#9
Oscar J Manrique, Pedro Ciudad, Matthew Doscher, Federico Lo Torto, Ralph Liebling, Ricardo Galan
BACKGROUND: Digital amputation is a common upper extremity injury and can cause significant impairment in hand function, as well as psychosocial stigma. Currently, the gold standard for the reconstruction of such injuries involves autologous reconstruction. However, when this or other autologous options are not available, prosthetic reconstruction can provide a functionally and aesthetically viable alternative. This study describes a novel technique, known as a tripod titanium mini-plate, for osseointegrated digit prostheses, and reviews the outcomes in a set of consecutive patients...
March 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28328563/patients-without-intraoperative-neuromonitoring-ionm-alerts-during-veptr-implantation-did-not-sustain-neurological-injury-during-subsequent-routine-expansions-a-retrospective-multicenter-cohort-study
#10
Jaren LaGreca, Tara Flynn, Patrick J Cahill, Amer Samdani, Michael G Vitale, Ron El-Hawary, John T Smith, Jonathan H Phillips, John M Flynn, Michael Glotzbecker, Sumeet Garg
BACKGROUND: The purpose of this study was to determine the rate of intraoperative neurological monitoring (IONM) alerts and neurological injury during vertical expandable prosthetic titanium rib (VEPTR) treatment and evaluate the utility of IONM during VEPTR expansion procedures in patients who have not previously had neurological injury or IONM alerts. METHODS: After institutional review board approval, VEPTR procedures and IONM records were reviewed at 17 institutions for patients treated with VEPTR from 2005 to 2011...
December 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28293490/regenerative-peripheral-nerve-interfaces-for-the-treatment-of-postamputation-neuroma-pain-a-pilot-study
#11
Shoshana L Woo, Theodore A Kung, David L Brown, James A Leonard, Brian M Kelly, Paul S Cederna
BACKGROUND: Originally designed for prosthetic control, regenerative peripheral nerve interfaces (RPNIs) prevent neuroma formation by providing free muscle grafts as physiological targets for peripheral nerve ingrowth. We report the first series of patients undergoing RPNI implantation for treatment of symptomatic postamputation neuromas. METHODS: A retrospective case series of all amputees undergoing RPNI implantation for treatment of symptomatic neuromas between November 2013 and June 2015 is presented...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28279718/the-role-of-endovascular-in-situ-revascularization-in-the-treatment-of-arterial-and-graft-infections
#12
David S Strosberg, Babatunde A Oriowo, Mark G Davies, Hosam F El Sayed
Mycotic aneurysms and prosthetic graft infections are traditionally treated with excision of the infected tissue or graft, often requiring anatomical or extraanatomical bypass, carrying significant morbidity and mortality. Currently, the role of endovascular repair without excision in this setting has yet to be defined. We present 2 case scenarios, whereby mycotic pseudoaneurysms were successfully treated with endovascular stent-graft coverage and to present an in-depth review of endovascular in situ revascularization in the treatment of arterial and graft infections...
March 7, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28222988/thirty-day-and-90-day-hospital-readmission-after-outpatient-upper-extremity-hemodialysis-access-creation
#13
Jeffrey J Siracuse, Nishant K Shah, Matthew R Peacock, Georges Tahhan, Jeffrey A Kalish, Denis Rybin, Mohammad H Eslami, Alik Farber
OBJECTIVE: Patients with end-stage renal disease have multiple comorbidities and are at increased risk for postoperative complications and resource utilization. Our goal was to determine the rate and causes of 30-day and 90-day hospital readmissions after the creation of outpatient hemodialysis access. METHODS: We retrospectively reviewed all outpatient upper extremity hemodialysis access creations performed at our medical center from 2008 to 2015. Readmission was defined as any inpatient status admission ≤30 and 90 days...
May 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28214485/outcome-of-peripheral-venous-reconstructions-during-tumor-resection
#14
Philip Y Sun, Mark D Fleming, Kendall Stauffer, Manju Kalra, Gustavo Oderich, Thomas Bower, Peter Gloviczki, Randall R DeMartino
OBJECTIVE: Peripheral venous reconstruction surgery may be necessary for appropriate oncologic resection; however, the operative approach and surgical outcomes are not well described. We report our experience with these complex reconstructions to identify best practice. METHODS: We retrospectively reviewed all adult patients who underwent peripheral vein reconstruction for tumor resection at Mayo Clinic, Rochester (2000-2015). Patients were classified into three subgroups by the location: iliac (IL), lower extremity (LE), and upper extremity (UE)...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28209508/systematic-review-of-measures-of-impairment-and-activity-limitation-for-persons-with-upper-limb-trauma-and-amputation
#15
REVIEW
Linda Resnik, Matt Borgia, Ben Silver, Jill Cancio
OBJECTIVE: (1) To identify outcome measures used in studies of persons with traumatic upper limb injury and/or amputation; and (2) to evaluate focus, content, and psychometric properties of each measure. DATA SOURCES: Searches of PubMed and CINAHL for terms including upper extremity, function, activities of daily living, outcome assessment, amputation, and traumatic injuries. STUDY SELECTION: Included articles had a sample of ≥10 adults with limb trauma or amputation and were in English...
September 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28194713/use-of-compressive-osseointegration-endoprostheses-for-massive-bone-loss-from-tumor-and-failed-arthroplasty-a-viable-option-in-the-upper-extremity
#16
Krista A Goulding, Adam Schwartz, Steven J Hattrup, R Lor Randall, Donald Lee, Damian M Rispoli, Daniel M Lerman, Christopher Beauchamp
BACKGROUND: Endoprostheses using principles of compressive osseointegration have shown good survivorship in several studies involving the lower extremity; however, no series to our knowledge have documented the use of this technology in the management of massive bone loss in the upper limb. QUESTIONS/PURPOSES: (1) What proportion of upper extremity implants using compressive osseointegration fixation principles achieved durable short-term fixation, and what were the modes of failure? (2) What surgical complications resulted from reconstruction using this technique? METHODS: A multiinstitutional retrospective review identified nine patients (five women; four men) who underwent 13 endoprosthetic replacements between 2003 and 2014 using compressive osseointegration (Compliant(®) Pre-stress Device [CPS]; Biomet Inc, Warsaw, IN, USA) in the upper extremity, including two proximal humeri, two humeral diaphyses, seven distal humeri, and two proximal ulna...
June 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28165577/surgical-reconstruction-of-central-venous-obstruction-in-salvaging-upper-extremity-dialysis-accesses
#17
Jurabek Babadjanov, Rick Bernstein, Lee Kirksey
BACKGROUND: Central vein thrombosis or obstruction is a common complication associated with central venous catheters placed for intermittent hemodialysis. The reported outcomes of percutaneous catheter-based interventions reveal high rates of lesion recurrence with varying and frequently limited patency intervals. We present the case of open venous bypass in the treatment of catheter-associated chronic central vein occlusion. METHODS: We report a case of symptomatic arm swelling secondary to central vein stenosis and failed endovascular venous intervention treated by central vein bypass with prosthetic graft through median sternotomy...
February 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28070676/-upper-extremity-fractures-in-the-elderly
#18
REVIEW
Roland Biber, S Grüninger, H J Bail
Upper extremity fractures in the elderly are very frequent and second only to hip fractures in the group of fragility fractures. Their impact on mobility and functional decline seems to be underestimated especially when they occur in combination with lower extremity fractures. Fractures of the proximal humerus and the distal radius can often be treated conservatively; however, the indications for operative treatment must not be based on fracture morphology alone and due consideration should be given to all concomitant circumstances affecting functional aspects of patients...
January 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28029356/comparison-of-patient-reported-outcomes-after-traumatic-upper-extremity-amputation-replantation-versus-prosthetic-rehabilitation
#19
COMPARATIVE STUDY
Mitchell A Pet, Shane D Morrison, Jacob S Mack, Erika D Sears, Thomas Wright, Alisha D Lussiez, Kenneth R Means, James P Higgins, Jason H Ko, Paul S Cederna, Theodore A Kung
BACKGROUND: After major upper extremity traumatic amputation, replantation is attempted based upon the assumption that outcomes for a replanted limb exceed those for revision amputation with prosthetic rehabilitation. While some reports have examined functional differences between these patients, it is increasingly apparent that patient perceptions are also critical determinants of success. Currently, little patient-reported outcomes data exists to support surgical decision-making in the setting of major upper extremity traumatic amputation...
December 2016: Injury
https://www.readbyqxmd.com/read/27965567/biomechanical-reconstruction-using-the-tacit-learning-system-intuitive-control-of-prosthetic-hand-rotation
#20
Shintaro Oyama, Shingo Shimoda, Fady S K Alnajjar, Katsuyuki Iwatsuki, Minoru Hoshiyama, Hirotaka Tanaka, Hitoshi Hirata
Background: For mechanically reconstructing human biomechanical function, intuitive proportional control, and robustness to unexpected situations are required. Particularly, creating a functional hand prosthesis is a typical challenge in the reconstruction of lost biomechanical function. Nevertheless, currently available control algorithms are in the development phase. The most advanced algorithms for controlling multifunctional prosthesis are machine learning and pattern recognition of myoelectric signals...
2016: Frontiers in Neurorobotics
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