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https://www.readbyqxmd.com/read/28345511/-complete-removable-denture-retained-by-symphyseal-implant
#1
A Abdelkoui, N Lakhssassi, N Merzouk, S Berrada
INTRODUCTION: Edentulous patients often hope for stable and retentive prostheses. In very unfavorable anatomophysiological circumstances, the implant-retained removable full denture is a simple and reliable option that considerably optimizes the prosthetic balance. We present the case of one of those patients taken in charge in our department. OBSERVATION: A full edentulous 82 years old male patient was referred for a prosthetic rehabilitation. He presented with a negative mandibular crest and a very tonic peri-prosthetic musculature in the anterior region...
February 22, 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28293984/hip-prosthesis-in-sitting-posture-for-bilateral-transfemoral-amputee-after-burn-injury-a-case-report
#2
Yukiyo Shimizu, Hirotaka Mutsuzaki, Takayuki Maezawa, Yuji Idei, Kazuya Takao, Ryoko Takeuchi, Shinzo Onishi, Yasushi Hada, Masashi Yamazaki, Yasuyoshi Wadano
BACKGROUND: To overcome the challenges of rehabilitation of bilateral transfemoral amputees, we developed a novel "hip prosthesis in the sitting posture." Case Description and Methods: A 64-year-old male bilateral transfemoral amputee was transferred for rehabilitation 4 months following a burn injury. His wounds remained unhealed for 20 months; thus, he was unable to participate in standing training with the standard prosthetic sockets. Hip prosthesis in the sitting posture has very little friction between the sockets and residual limbs, which facilitated our patient to begin standing and walking exercises...
December 1, 2016: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28274062/an-ingenious-modification-in-conventional-swing-lock-cast-partial-denture-for-rehabilitating-a-hemi-mandibulectomy-defect
#3
Rupal Jaydip Shah, Sanjay Balaji Lagdive, Shraddha Lalit Saini, Vishal Bipinbihari Verma, Satyaprakash Ranjit Shah
Mandibular resections compromise the balance and symmetry of mandibular functions. Since centuries there has been advent of various prosthetic treatment modalities to improve the masticatory efficiency. Swing lock dentures, a treatment facet with high degree of clinical effectiveness, yet gradually fading into oblivion due to its design complexities, has been resurrected by retaining its indigenous concept of reciprocation, and consolidating aesthetics with introduction of newer breed of aesthetic material (Thermoplastic Acetal resin)...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28269307/tolerance-of-neural-decoding-errors-for-powered-artificial-legs-a-pilot-study
#4
Fan Zhang, Ming Liu, He Huang
Neural-machine interface (NMI) decoding errors challenge the clinical value of neural control of powered artificial legs, because these errors can dangerously disturb the user's walking balance, cause stumbles or falls, and thus threaten the user's confidence and safety in prosthesis use. Although extensive research efforts have been made to minimize the NMI decoding error rate, none of the current approaches can completely eliminate the errors in NMI. This study aimed at improving the robustness of prosthesis control system against neural decoding errors by introducing a fault-tolerant control (FTC) strategy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268750/a-wearable-skin-stretch-haptic-feedback-device-towards-improving-balance-control-in-lower-limb-amputees
#5
M A B Husman, H F Maqbool, M I Awad, A Abouhossein, A A Dehghani-Sanij
Haptic feedback to lower limb amputees is essential to maximize the functionality of a prosthetic device by providing information to the user about the interaction with the environment and the position of the prostheses in space. Severed sensory pathway and the absence of connection between the prosthesis and the Central Nervous System (CNS) after lower limb amputation reduces balance control, increases visual dependency and increases risk of falls among amputees. This work describes the design of a wearable haptic feedback device for lower limb amputees using lateral skin-stretch modality intended to serve as a feedback cue during ambulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28236551/soft-tissue-releases-in-total-knee-arthroplasty-for-valgus-deformities
#6
Ke Xie, Steven T Lyons
BACKGROUND: Primary total knee arthroplasty (TKA) for valgus knee deformities can be challenging. Soft tissue releases are often necessary to achieve a well-balanced knee. We reviewed the frequency of soft tissue releases including lateral retinacular release (LRR) as it pertains to preoperative limb alignment. Postoperatively, we evaluated limb alignment, knee range of motion, and complications. METHODS: From 2010 to 2016, 214 primary TKAs with valgus deformity were performed by a single surgeon...
January 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28227544/tolerance-of-neural-decoding-errors-for-powered-artificial-legs-a-pilot-study
#7
Fan Zhang, Ming Liu, He Huang, Fan Zhang, Ming Liu, He Huang, He Huang, Ming Liu, Fan Zhang
Neural-machine interface (NMI) decoding errors challenge the clinical value of neural control of powered artificial legs, because these errors can dangerously disturb the user's walking balance, cause stumbles or falls, and thus threaten the user's confidence and safety in prosthesis use. Although extensive research efforts have been made to minimize the NMI decoding error rate, none of the current approaches can completely eliminate the errors in NMI. This study aimed at improving the robustness of prosthesis control system against neural decoding errors by introducing a fault-tolerant control (FTC) strategy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226938/a-wearable-skin-stretch-haptic-feedback-device-towards-improving-balance-control-in-lower-limb-amputees
#8
M A B Husman, H F Maqbool, M I Awad, A Abouhossein, A A Dehghani-Sanij, M A B Husman, H F Maqbool, M I Awad, A Abouhossein, A A Dehghani-Sanij, A Abouhossein, A A Dehghani-Sanij, M A B Husman, M I Awad, H F Maqbool
Haptic feedback to lower limb amputees is essential to maximize the functionality of a prosthetic device by providing information to the user about the interaction with the environment and the position of the prostheses in space. Severed sensory pathway and the absence of connection between the prosthesis and the Central Nervous System (CNS) after lower limb amputation reduces balance control, increases visual dependency and increases risk of falls among amputees. This work describes the design of a wearable haptic feedback device for lower limb amputees using lateral skin-stretch modality intended to serve as a feedback cue during ambulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28168644/minimal-effect-of-patella-eversion-on-ligament-balancing-in-cruciate-retaining-total-knee-arthroplasty
#9
Eirik Aunan, Thomas Kibsgård, Stephan M Röhrl
PURPOSE: The effect of patellar eversion on ligament laxity measurements is still unclear. The purpose of this study was to investigate the influence of patellar eversion on medial and lateral ligament laxity measurements performed intra-operatively in total knee arthroplasty (TKA). METHODS: A total of 49 knees (27 female) with mean age 70 years (42-83) and mean body mass index of 28.5 were operated consecutively with a cruciate-retaining prosthesis. Medial and lateral ligament laxity in extension and in 90° of flexion was measured with the spatula-method intra-operatively after implantation of the prosthetic components with the patella everted and thereafter with the patella repositioned...
March 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28088671/melatonin-attenuates-titanium-particle-induced-osteolysis-via-activation-of-wnt-%C3%AE-catenin-signaling-pathway
#10
Zichuan Ping, Xuanyang Hu, Liangliang Wang, Jiawei Shi, Yunxia Tao, Xiexing Wu, Zhenyang Hou, Xiaobin Guo, Wen Zhang, Huilin Yang, Yaozeng Xu, Zhirong Wang, Dechun Geng
Wear debris-induced inhibition of bone regeneration and extensive bone resorption were common features in peri-prosthetic osteolysis (PPO). Here, we investigated the effect of melatonin on titanium particle-stimulated osteolysis in a murine calvariae model and mouse-mesenchymal-stem cells (mMSCs) culture system. Melatonin inhibited titanium particle-induced osteolysis and increased bone formation at osteolytic sites, confirmed by radiological and histomorphometric data. Furthermore, osteoclast numbers decreased dramatically in the low- and high-melatonin administration mice, as respectively, compared with the untreated animals...
January 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28067123/the-effect-of-a-supervised-community-based-exercise-program-on-balance-balance-confidence-and-gait-in-individuals-with-lower-limb-amputation
#11
Carol A Miller, Jennifer E Williams, Katey L Durham, Selena C Hom, Julie L Smith
BACKGROUND: Many individuals with lower limb loss report concern with walking ability after completing structured traditional rehabilitation. OBJECTIVES: The purpose of this study was to explore the impact of a supervised community-based exercise program on balance, balance confidence, and gait in individuals with lower limb amputation. STUDY DESIGN: Repeated measures. METHODS: The supervised exercise program was offered biweekly for 6 weeks...
January 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28066525/the-effect-of-transfemoral-interface-design-on-gait-speed-and-risk-of-falls
#12
Jason T Kahle, Tyler D Klenow, William J Sampson, M Jason Highsmith
Falls and diminished walking capacity are impairments common in persons with transfemoral amputation (TFA). Reducing falls and optimizing walking capacity through such means as achieving a more normal gait speed and community ambulation should be considered when formulating the prosthetic prescription. Because walking capacity and balance confidence are compromised with TFA, these outcomes should be considered when evaluating interfaces for transfemoral prosthetic users. The purpose of this study was to compare the effect of TFA interface design on walking capacity and balance confidence A retrospective cohort design was utilized involving unilateral TFA patients who used ischial ramus containment (IRC) and High-Fidelity (HiFi) interfaces (independent variables)...
September 2016: Technology and Innovation
https://www.readbyqxmd.com/read/28061515/spacer-based-gap-balancing-in-total-knee-arthroplasty-clinical-success-with-a-reproducible-technique
#13
Frédéric Lavoie
Purpose Proper coronal and transverse ligament balancing is an important aspect of total knee arthroplasty (TKA) and has an impact on postoperative outcome. Many variations of the gap balancing technique were described to address this challenge, most of them using various tensioning devices, but none for which the use is widespread. The aim of this paper is to describe a gap technique variant for TKA using spacer blocks and report the clinical results for a cohort of patients on which it was used. Methods A total of 114 TKAs were performed in 101 patients using a standardized surgical technique that integrates ligament balancing with sizing and positioning of the femoral component...
January 6, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28055332/temperature-measurement-and-control-system-for-transtibial-prostheses-single-subject-clinical-evaluation
#14
Kamiar Ghoseiri, Yong Ping Zheng, Aaron K L Leung, Mehdi Rahgozar, Gholamreza Aminian, Mehdi Masoumi, Mohammad Reza Safari
The snug fit of a prosthetic socket over the residual limb can disturb thermal balance and put skin integrity in jeopardy by providing an unpleasant and infectious environment. The prototype of a temperature measurement and control (TM&C) system was previously introduced to resolve thermal problems related to prostheses. This study evaluates its clinical application in a setting with reversal, single subject design. The TM&C system was installed on fabricated prosthetic socket of a man with unilateral transtibial amputation...
January 5, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/28053386/early-clinical-and-radiological-results-of-minimally-invasive-total-hip-replacement
#15
Özgür Karakoyun, Mehmet Fatih Erol, Ahmet Aslan, Mesut Karıksız, Burak Günaydın
INTRODUCTION: It is critical to achieve both proper component positioning and intact muscle balance if satisfactory results are to be attained after total hip replacement (THR). There have been fewer studies on minimally invasive (MI) THR than standard approaches. The objective of this paper is to present the early clinical and radiological results of posterolateral MI THR. MATERIALS AND METHODS: The retrospective analysis of the records of patients undergoing posterolateral MI THR surgery between 2011 and 2014 was the basis of this study...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27997673/functional-performance-differences-between-the-genium-and-c-leg-prosthetic-knees-and-intact-knees
#16
M Jason Highsmith, Jason T Kahle, Rebecca M Miro, M Elaine Cress, Derek J Lura, William S Quillen, Stephanie L Carey, Rajiv V Dubey, Larry J Mengelkoch
Microprocessor prosthetic knees (MPKs) have advanced technologically, offering new features to decrease impairment and activity limitations for persons with transfemoral amputation (TFA). The Genium knee is functionally untested, and functional differences between it and intact knees are unknown. This study sought to determine whether Genium use improves functional performance compared with the C-Leg. A randomized experimental crossover design was used, with a cross-section of five nonamputee controls for comparison to normal...
2016: Journal of Rehabilitation Research and Development
https://www.readbyqxmd.com/read/27909643/source-control-and-graft-preservation-using-negative-pressure-wound-therapy-with-antibiotic-instillation-a-case-report
#17
Victoria Gilbert, Timothy Kelly, Robert Grossi
Negative pressure wound therapy (NPWT) is widely used to treat many types of complex wounds, and the advent of the instillation and dwell time (NPWTi-d) technique has enhanced this system with the addition of automated treatment with topical solutions. In the field of vascular surgery, NPWT is utilized to help close wounds over underlying grafts; however keeping these wounds free of infection and avoiding large reoperation when infection occurs remains a challenge. In this case report we present a patient who required acute intervention for limb ischemia, with a large wound created in the groin for anastomosis of a prosthetic graft bypass...
October 31, 2016: Curēus
https://www.readbyqxmd.com/read/27865091/analysis-of-voluntary-opening-ottobock-hook-and-hosmer-hook-for-upper-limb-prosthetics-a-preliminary-study
#18
Nur Afiqah Hashim, Nasrul Anuar Bin Abd Razak, Hossein Gholizadeh, Noor Azuan Abu Osman
There are a number of prosthetic terminal devices which offer functional restoration to individuals with upper limb deficiencies. Hosmer and Ottobock are major commercial hook providers for prosthetic terminal devices. The concern of this paper is to analyse the voluntary opening (VO) Ottobock model 10A18 and Hosmer model 99P hooks (one band) during opening operation and to find out favourable features in the design. Two tests were conducted to analyse the performance of both hooks. The first test used a simple bench tool to investigate cable excursion and hook opening angle and the second test used force sensor to find out the force supplied at a different hook opening angle...
November 19, 2016: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/27783791/prospective-comparative-study-for-the-evaluation-of-prosthetic-rehabilitation-users-with-transtibial-amputation
#19
Gabriel de Souza Prim, Francisco Assis Souza Santos, Milton Vieira, Victor Nassar
Individuals with transtibial amputations have difficulties in performing march and stay in balance, directly affecting their quality of life. The use of prostheses can enable the rehabilitation of the individual, but we question how effective are for certain tasks and how they can still improve. To evaluate the prosthesis for transtibial amputation, a comparative study was conducted with two groups: Amputee and NOT Amputees. With the help of Motion Capture technology was held measuring the angles of static balance, walking speed and scores in the execution of daily activities...
October 2016: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/27770064/predicting-mobility-outcome-in-lower-limb-amputees-with-motor-ability-tests-used-in-early-rehabilitation
#20
Matthijs H Spaan, Aline H Vrieling, Pim van de Berg, Pieter U Dijkstra, Helco G van Keeken
STUDY DESIGN: Retrospective cohort study. BACKGROUND: Persons with a lower limb amputation can regain mobility using a prosthetic device. For fast and adequate prescription of prosthetic components, it is necessary to predict the mobility outcome early in rehabilitation. Currently, prosthetic prescription is primarily based on empirical knowledge of rehabilitation professionals. OBJECTIVE: In this study, we explored motor ability tests, to be completed without a prosthetic device, which have predictive value for mobility outcome at the end of rehabilitation...
October 20, 2016: Prosthetics and Orthotics International
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