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Prosthetics and Orthotics International

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https://www.readbyqxmd.com/read/28641476/direct-medical-costs-of-accidental-falls-for-adults-with-transfemoral-amputations
#1
Benjamin Mundell, Hilal Maradit Kremers, Sue Visscher, Kurtis Hoppe, Kenton Kaufman
BACKGROUND: Active individuals with transfemoral amputations are provided a microprocessor-controlled knee with the belief that the prosthesis reduces their risk of falling. However, these prostheses are expensive and the cost-effectiveness is unknown with regard to falls in the transfemoral amputation population. The direct medical costs of falls in adults with transfemoral amputations need to be determined in order to assess the incremental costs and benefits of microprocessor-controlled prosthetic knees...
June 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28639478/relation-between-capacity-and-performance-in-paediatric-upper-limb-prosthesis-users
#2
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/28639474/custom-rapid-prototype-thumb-prosthesis-for-partial-hand-amputation-a-case-report
#3
Ashley Quinn Swartz, Kristi Turner, Laura Miller, Todd Kuiken
BACKGROUND: Due to advancements in three-dimensional printing, custom-made prostheses are becoming more viable options for persons with difficult cases of prosthetic management. The purpose of this article was to develop a custom voluntary-closing, body-powered thumb mechanism for a partial-hand amputee who had amputations of the index finger and thumb on the left, non-dominant hand. Case description and methods: The prosthesis model was manufactured using rapid prototype technology and was developed to provide greater force and functionality, and to decrease overall size compared to traditional hand prostheses...
June 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28621577/fatigue-free-operation-of-most-body-powered-prostheses-not-feasible-for-majority-of-users-with-trans-radial-deficiency
#4
Mona Hichert, Alistair N Vardy, Dick Plettenburg
BACKGROUND: Body-powered prostheses require cable operation forces between 33 and 131 N. The accepted upper limit for fatigue-free long-duration operation is 20% of a users' maximum cable operation force. However, no information is available on users' maximum force. OBJECTIVES: To quantify users' maximum cable operation force and to relate this to the fatigue-free force range for the use of body-powered prostheses. STUDY DESIGN: Experimental trial...
June 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28534664/predict-the-medicare-functional-classification-level-k-level-using-the-amputee-mobility-predictor-in-people-with-unilateral-transfemoral-and-transtibial-amputation-a-pilot-study
#5
Michael P Dillon, Matthew J Major, Brian Kaluf, Yuri Balasanov, Stefania Fatone
BACKGROUND: While Amputee Mobility Predictor scores differ between Medicare Functional Classification Levels (K-level), this does not demonstrate that the Amputee Mobility Predictor can accurately predict K-level. OBJECTIVES: To determine how accurately K-level could be predicted using the Amputee Mobility Predictor in combination with patient characteristics for persons with transtibial and transfemoral amputation. STUDY DESIGN: Prediction...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28521576/rethinking-the-foam-cosmesis-for-people-with-lower-limb-absence
#6
Nicola Cairns, Jonathan Corney, Kevin Murray, Karena Moore-Millar, Gillian D Hatcher, Saeed Zahedi, Richard Bradbury, Joe McCarthy
BACKGROUND AND AIM: A recent survey of people with lower limb absence revealed that patients' satisfaction with their foam cosmesis is lower than desired. The aim of this project was to improve the lifelike appearance, functionality and durability of the cosmesis through a user-centred design methodology. TECHNIQUE: Concept development and prototyping led to a new cosmesis design which features a cut-out located at the knee, inserted with an artificial patella made of a more rigid foam...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28497718/the-biomechanical-effects-and-perceived-comfort-of-textile-fabricated-insoles-during-straight-line-walking
#7
Wai-Ting Lo, Del P Wong, Kit-Lun Yick, Sun Pui Ng, Joanne Yip
BACKGROUND: Orthotic insoles that are made of foam material often have less breathability and thus cause discomfort to the wearer. Given that a sandwich structure offers better porosity and breathability that would improve comfort, the impact of custom-made insoles made with three-dimensional spacer fabric is studied. OBJECTIVES: To examine the biomechanical effects and subjective comfort of spacer-fabric insoles during walking. STUDY DESIGN: Repeated measures...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28486863/the-influence-of-the-use-of-ankle-foot-orthoses-on-thorax-spine-and-pelvis-kinematics-during-walking-in-children-with-cerebral-palsy
#8
Eva Swinnen, Jean-Pierre Baeyens, Benjamin Van Mulders, Julian Verspecht, Marc Degelaen
BACKGROUND: To improve gait function in children with cerebral palsy, ankle-foot orthoses are often prescribed. However, until now, little attention has been devoted to the effect of ankle-foot orthoses on the postural control during walking in children with cerebral palsy. OBJECTIVES: The aim was to compare the differences in thorax, spine, and pelvis movements in children with cerebral palsy during walking barefoot and walking with ankle-foot orthoses. STUDY DESIGN: Clinical study with an intra subject design...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28486847/the-effects-of-common-footwear-on-stance-phase-mechanical-properties-of-the-prosthetic-foot-shoe-system
#9
Matthew J Major, Joel Scham, Michael Orendurff
BACKGROUND: Prosthetic feet are prescribed based on their mechanical function and user functional level. Subtle changes to the stiffness and hysteresis of heel, midfoot, and forefoot regions can influence the dynamics and economy of gait in prosthesis users. However, the user's choice of shoes may alter the prosthetic foot-shoe system mechanical characteristics, compromising carefully prescribed and rigorously engineered performance of feet. OBJECTIVES: Observe the effects of footwear on the mechanical properties of the prosthetic foot-shoe system including commonly prescribed prosthetic feet...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28470129/the-influence-of-environment-experiences-of-users-of-myoelectric-arm-prosthesis-a-qualitative-study
#10
Cathrine Widehammar, Ingvor Pettersson, Gunnel Janeslätt, Liselotte Hermansson
BACKGROUND: Prostheses are used to varying degrees; however, little is known about how environmental aspects influence this use. OBJECTIVES: To describe users' experiences of how environmental factors influence their use of a myoelectric arm prosthesis. STUDY DESIGN: Qualitative and descriptive. METHODS: A total of 13 patients previously provided with a myoelectric prosthetic hand participated. Their age, sex, deficiency level, etiology, current prosthesis use, and experience varied...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28470108/residual-limb-claudication-after-vascular-transfemoral-amputation
#11
Riemke Ga de Boer, Marieke A Paping, Bert Kap, Jan Hb Geertzen
BACKGROUND: In all, 68% of all lower limb amputees experience residual limb pain. More than 95% of all lower limb amputations in developed countries are due to peripheral artery occlusive disease in combination with diabetes mellitus. Therefore, claudication, which is one of the most common manifestations of peripheral artery occlusive disease, should be taken into consideration in making a differential diagnosis of residual limb pain. Case description and methods: We present a case study of a 60-year-old diabetic patient who underwent a transfemoral amputation due to peripheral artery occlusive disease and who experiences residual limb pain...
May 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28468600/sensory-feedback-add-on-for-upper-limb-prostheses
#12
Nader Fallahian, Hassan Saeedi, Hamidreza Mokhtarinia, Farhad Tabatabai Ghomshe
BACKGROUND AND AIM: Sensory feedback systems have been of great interest in upper-limb prosthetics. Despite tremendous research, there are no commercial modality-matched feedback systems. This article aims to introduce the first detachable and feedback add-on option that can be attached to in-use prostheses. TECHNIQUE: A sensory feedback system was tested on a below-elbow myoelectric prosthesis. The aim was to have the amputee grasp fragile objects without crushing while other accidental feedback sources were blocked...
June 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28132589/northwestern-university-flexible-subischial-vacuum-socket-for-persons-with-transfemoral-amputation-part-2-description-and-preliminary-evaluation
#13
Stefania Fatone, Ryan Caldwell
BACKGROUND: Current transfemoral prosthetic sockets are problematic as they restrict function, lack comfort, and cause residual limb problems. Development of a subischial socket with lower proximal trim lines is an appealing way to address this problem and may contribute to improving quality of life of persons with transfemoral amputation. OBJECTIVES: The purpose of this study was to illustrate the use of a new subischial socket in two subjects. STUDY DESIGN: Case series...
June 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28094689/quantification-of-rectifications-for-the-northwestern-university-flexible-sub-ischial-vacuum-socket
#14
Stefania Fatone, William Brett Johnson, Lilly Tran, Kerice Tucker, Christofer Mowrer, Ryan Caldwell
BACKGROUND: The fit and function of a prosthetic socket depend on the prosthetist's ability to design the socket's shape to distribute load comfortably over the residual limb. We recently developed a sub-ischial socket for persons with transfemoral amputation: the Northwestern University Flexible Sub-Ischial Vacuum Socket. OBJECTIVE: This study aimed to quantify the rectifications required to fit the Northwestern University Flexible Sub-Ischial Vacuum Socket to teach the technique to prosthetists as well as provide a computer-aided design-computer-aided manufacturing option...
June 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28094686/northwestern-university-flexible-subischial-vacuum-socket-for-persons-with-transfemoral-amputation-part-1-description-of-technique
#15
Stefania Fatone, Ryan Caldwell
BACKGROUND: Current transfemoral prosthetic sockets restrict function, lack comfort, and cause residual limb problems. Lower proximal trim lines are an appealing way to address this problem. Development of a more comfortable and possibly functional subischial socket may contribute to improving quality of life of persons with transfemoral amputation. OBJECTIVES: The purpose of this study was to (1) describe the design and fabrication of a new subischial socket and (2) describe efforts to teach this technique...
June 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27913784/the-effectiveness-of-the-bone-bridge-transtibial-amputation-technique-a-systematic-review-of-high-quality-evidence
#16
Jason T Kahle, M Jason Highsmith, John Kenney, Tim Ruth, Paul A Lunseth, Janos Ertl
BACKGROUND: This literature review was undertaken to determine if commonly held views about the benefits of a bone bridge technique are supported by the literature. METHODS: Four databases were searched for articles pertaining to surgical strategies specific to a bone bridge technique of the transtibial amputee. A total of 35 articles were identified as potential articles. Authors included methodology that was applied to separate topics. Following identification, articles were excluded if they were determined to be low quality evidence or not pertinent...
June 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27881551/comparison-of-the-otto-bock-solid-ankle-cushion-heel-foot-with-wooden-keel-to-the-low-cost-cr-equipements-%C3%A2-solid-ankle-cushion-heel-foot-with-polypropylene-keel-a-randomized-prospective-double-blind-crossover-study-assessing-patient-satisfaction-and-energy
#17
Alain Lacraz, Stéphane Armand, Katia Turcot, Gorki Carmona, Richard Stern, Olivier Borens, Mathieu Assal
BACKGROUND: The International Committee of the Red Cross supports a worldwide program of prosthetic fitting and rehabilitation. In this context, a prosthetic foot was developed and widely distributed in least developed countries. STUDY DESIGN: Prospective, randomized, double-blind, controlled study. OBJECTIVE: To compare patient satisfaction and energy expenditure during ambulation between a low-cost prosthetic foot designed with a polypropylene keel (CR-Equipements(™) solid ankle cushion heel, International Committee of the Red Cross) to a well-recognized solid ankle cushion heel foot with a wooden keel (solid ankle cushion heel foot, Otto Bock)...
June 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27638012/prosthetists-perceptions-and-use-of-outcome-measures-in-clinical-practice-long-term-effects-of-focused-continuing-education
#18
Brian J Hafner, Susan E Spaulding, Rana Salem, Sara J Morgan, Ignacio Gaunaurd, Robert Gailey
BACKGROUND: Continuing education is intended to facilitate clinicians' skills and knowledge in areas of practice, such as administration and interpretation of outcome measures. OBJECTIVE: To evaluate the long-term effect of continuing education on prosthetists' confidence in administering outcome measures and their perceptions of outcomes measurement in clinical practice. DESIGN: Pretest-posttest survey methods. METHODS: A total of 66 prosthetists were surveyed before, immediately after, and 2 years after outcomes measurement education and training...
June 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27625122/the-effectiveness-of-core-stabilization-exercise-in-adolescent-idiopathic-scoliosis-a-randomized-controlled-trial
#19
Gözde Gür, Cigdem Ayhan, Yavuz Yakut
BACKGROUND: Core stabilization training is used to improve postural balance in musculoskeletal problems. OBJECTIVES: The purpose of this study was to investigate the effectiveness of stabilization training in adolescent idiopathic scoliosis. STUDY DESIGN: A randomized controlled trial, pretest-posttest design. METHODS: In total, 25 subjects with adolescent idiopathic scoliosis were randomly divided into two groups: stabilization group ( n = 12) and control group ( n = 13)...
June 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27613591/pressure-induced-localised-granuloma-annulare-following-use-of-an-elbow-splint
#20
Jesse James Johnston, Lynda Spelman
BACKGROUND: Granuloma annulare is a benign, inflammatory skin disorder with no distinct aetiology or widely accepted pathogenic process. Case description and Methods: We report a case of a 71-year old female with a 4-year history of an erythematous annulopapular lesion to the lateral aspect of her right forearm from a pressure pleat ridge in a high-density polyethylene plastic elbow orthosis to immobilise a prior radial head fracture. Morphological and histopathological assessment was consistent for granuloma annulare...
June 2017: Prosthetics and Orthotics International
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