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Upper extremity prosthetics

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https://www.readbyqxmd.com/read/28214485/outcome-of-peripheral-venous-reconstructions-during-tumor-resection
#1
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-person-with-upper-limb-trauma-and-amputation
#2
REVIEW
Linda Resnik, Matt Borgia, Ben Silver, Jill Cancio
OBJECTIVE: Study purposes were to 1) identify outcome measures used in studies of persons with traumatic upper limb injury and/or amputation and 2) 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...
February 13, 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
#3
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...
February 13, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28165577/surgical-reconstruction-of-central-venous-obstruction-in-salvaging-upper-extremity-dialysis-accesses
#4
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
#5
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
#6
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...
October 19, 2016: Injury
https://www.readbyqxmd.com/read/27965567/biomechanical-reconstruction-using-the-tacit-learning-system-intuitive-control-of-prosthetic-hand-rotation
#7
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
https://www.readbyqxmd.com/read/27891243/a-comprehensive-musculoskeletal-and-peripheral-nervous-system-assessment-of-war-related-bilateral-upper-extremity-amputees
#8
Mostafa Allami, Batool Mousavi, Mehdi Masoumi, Ehsan Modirian, Hadi Shojaei, Fatemeh Mirsalimi, Maryam Hosseini, Pirouz Pirouzi
BACKGROUND: Upper limb amputations are one of the unpleasant war injuries that armed forces are exposed to frequently. The present study aimed to assess the musculoskeletal and peripheral nervous systems in Iraq-Iran war veterans with bilateral upper extremity amputation. METHODS: The study consisted of taking a history and clinical examinations including demographic data, presence and location of pain, level of amputation, passive and active ranges of movement of the joints across the upper and lower extremities and spine, manual palpation, neurological examination, blood circulation pulses and issues related to a prosthetic limb...
2016: Military Medical Research
https://www.readbyqxmd.com/read/27882044/the-importance-of-rehabilitation-concerning-upper-extremity-amputees-a-systematic-review
#9
REVIEW
Kardem Soyer, Banu Unver, Seval Tamer, Ozlem Ulger
OBJECTIVE: To evaluate and point out the importance of prosthetic rehabilitation of upper extremity. METHODS: A systematic literature search was performed to identify studies concerning prosthetic rehabilitation in upper extremity. The PRISMA Statement 2009 was used to establish the study and the methodological quality was assessed. RESULTS: The literature search identified 620 studies. Of these 620, 9 studies fulfilled the inclusion criteria and were included for data extraction...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27672779/poster-12-three-dimensional-3d-printed-prosthetics-offer-functional-improvement-in-individuals-with-upper-extremity-limb-loss-a-case-series
#10
Cesar Colasante, Kyle Silva, Yuxi Chen, Matthew N Bartels
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27563563/breast-reconstruction-at-the-md-anderson-cancer-center
#11
REVIEW
Peirong Yu
The introduction of the transverse rectus abdominis myocutaneous flap in the 1970s marks the beginning of modern breast reconstruction although implants were available even earlier mainly for breast augmentation. Mastectomy techniques have evolved from the early Halsted radical mastectomy to the modern skin sparing mastectomy. The latter made possible using implants for breast reconstruction. Although prosthetic reconstruction provides a simpler procedure with quick recovery, autologous reconstruction offers more natural and long-lasting results especially in the setting of radiotherapy...
August 2016: Gland Surgery
https://www.readbyqxmd.com/read/27547980/-exoprosthetic-replacement-of-the-upper-extremity
#12
S Salminger, J A Mayer, A Sturma, O Riedl, K D Bergmeister, O C Aszmann
During the last years, the prosthetic replacement in upper limb amputees has undergone different developments. The use of new nerve surgical concepts improved the control strategies tremendously, especially for high-level amputees. Technological innovation in the field of pattern recognition enables the control of multifunctional myoelectric hand prostheses in a natural and intuitive manner. However, the different levels of amputation pose different challenges for the therapeutic team which concern not only the prosthetic attachment; also the expected functional outcome of prosthetic limb replacement differs greatly between the individual levels of amputation...
August 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27534547/improving-arm-function-by-prosthetic-limb-replacement-in-a-patient-with-severe-arthrogryposis-multiplex-congenita
#13
Stefan Salminger, Aidan D Roche, Agnes Sturma, Laura A Hruby, Oskar C Aszmann
OBJECTIVE: In patients with severe bilateral congenital arm deficiencies, even simple activities of daily living, such as feeding, may be major challenges. We report here a case of a patient with arthrogryposis multiplex congenita affecting all 4 extremities, who underwent prosthetic replacement after elective transhumeral amputation of his right functionless arm. CASE REPORT: A 22-year-old man with arthrogryposis multiplex congenita had severe deficits of his upper limbs...
October 5, 2016: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/27519275/neuroprosthetics-in-amputee-and-brain-injury-rehabilitation
#14
REVIEW
Blessen C Eapen, Douglas P Murphy, David X Cifu
The goals of rehabilitation medicine programs are to promote health, restore functional impairments and improve quality of life. The field of neuroprosthetics has evolved over the last decade given an improved understanding of neuroscience and the incorporation of advanced biotechnology and neuroengineering in the rehabilitation setting to develop adaptable applications to help facilitate recovery for individuals with amputations and brain injury. These applications may include a simple cognitive prosthetics aid for impaired memory in brain-injured individuals to myoelectric prosthetics arms with artificial proprioceptive feedback for those with upper extremity amputations...
January 2017: Experimental Neurology
https://www.readbyqxmd.com/read/27444362/a-comparison-of-patency-and-interventions-in-thigh-versus-hemodialysis-reliable-outflow-grafts-for-chronic-hemodialysis-vascular-access
#15
Evan R Brownie, Clark D Kensinger, Irene D Feurer, Derek E Moore, David Shaffer
OBJECTIVE: With improvements in medical management and survival of patients with end-stage renal disease, maintaining durable vascular access is increasingly challenging. This study compared primary, assisted primary, and secondary patency, and procedure-specific complications, and evaluated whether the number of interventions to maintain or restore patency differed between prosthetic femoral-femoral looped inguinal access (thigh) grafts and Hemodialysis Reliable Outflow (HeRO; Hemosphere Inc, Minneapolis, Minn) grafts...
July 18, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27386454/left-subclavian-artery-occlusion-femoro-axillary-artery-retrograde-bypass
#16
Masaya Nakashima, Hideaki Kobayashi, Masayoshi Kobayashi
The treatment tactics for subclavian artery occlusion include the more commonly used endovascular therapy rather than surgical intervention. We present a case of a 61-year-old woman with dialysis-dependent chronic renal failure who experienced left finger necrosis in the left upper extremity. To salvage the limb, we performed femoro-axillary (fem-ax) artery bypass using an autologous saphenous vein graft. However, 10 months later, she experienced coldness in the left forearm. Angiography revealed chronic total occlusion of the venous bypass...
June 2016: Vascular Specialist International
https://www.readbyqxmd.com/read/27341554/incidental-learning-and-explicit-recall-in-upper-extremity-prosthesis-use-insights-into-functional-rehabilitation-challenges
#17
Laura Hughey, Lewis A Wheaton
Loss of an upper extremity and the resulting rehabilitation often requires individuals to learn how to use a prosthetic device for activities of daily living. It remains unclear how prostheses affect motor learning outcomes. The authors' aim was to evaluate whether incidental motor learning and explicit recall is affected in intact persons either using prostheses (n = 10) or the sound limb (n = 10), and a chronic amputee on a modified serial reaction time task. Latency and accuracy of task completion were recorded over six blocks, with a distractor task between blocks 5 and 6...
June 24, 2016: Journal of Motor Behavior
https://www.readbyqxmd.com/read/27253208/influence-of-perspective-of-action-observation-training-on-residual-limb-control-in-na%C3%A3-ve-prosthesis-usage
#18
Delisa T Lawson, William F Cusack, Regan Lawson, Ashley Hardy, Robert Kistenberg, Lewis A Wheaton
Prior work in amputees and partial limb immobilization have shown improved neural and behavioral outcomes in using their residual limb with prosthesis when undergoing observation-based training with a prosthesis-using actor compared to an intact limb. It was posited that these improvements are due to an alignment of user with the actor. It may be affected by visual angles that allow emphasis of critical joint actions which may promote behavioral changes. The purpose of this study was to examine how viewing perspective of observation-based training effects prosthesis adaptation in naïve device users...
September 2016: Journal of Motor Behavior
https://www.readbyqxmd.com/read/27194213/a-cortically-inspired-model-for-inverse-kinematics-computation-of-a-humanoid-finger-with-mechanically-coupled-joints
#19
Rodolphe J Gentili, Hyuk Oh, Alissa V Kregling, James A Reggia
The human hand's versatility allows for robust and flexible grasping. To obtain such efficiency, many robotic hands include human biomechanical features such as fingers having their two last joints mechanically coupled. Although such coupling enables human-like grasping, controlling the inverse kinematics of such mechanical systems is challenging. Here we propose a cortical model for fine motor control of a humanoid finger, having its two last joints coupled, that learns the inverse kinematics of the effector...
May 19, 2016: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/27160727/-prosthetic-reconstruction-of-the-upper-extremity
#20
S Salminger, J A Mayer, A Sturma, O Riedl, K D Bergmeister, O C Aszmann
BACKGROUND: Prosthetic replacement after amputation or loss of function of the upper extremity has gained therapeutic value over the last years. The control of upper arm prostheses has been refined by the use of selective nerve transfers, and the indication for prosthetic replacement has been expanded. OBJECTIVES: Overview regarding surgical, therapeutic and prosthetic options in upper extremity amputations or their loss of function. METHODS: Selective literature research including the authors' own experience in everyday clinical practice, as well as a review of medical records...
May 2016: Der Unfallchirurg
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