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https://www.readbyqxmd.com/read/28066519/economic-evaluations-of-interventions-for-transtibial-amputees-a-scoping-review-of-comparative-studies
#1
M Jason Highsmith, Jason T Kahle, Amanda Lewandowski, Tyler D Klenow, John J Orriola, Rebecca M Miro, Owen T Hill, Sylvia Ursula Raschke, Michael S Orendurff, James T Highsmith, Bryce S Sutton
Transtibial amputation (TTA) is life-altering emotionally, functionally, and economically. The economic impact to all stakeholders is largely unknown, as is the cost-effectiveness of prosthetic intervention. This scoping report's purpose was to determine if there is sufficient evidence to conduct a formal systematic review or meta-analysis in any particular prosthetic intervention area and to determine if any evidence statements could be synthesized relative to economic evaluation of interventions provided to patients with TTA...
September 2016: Technology and Innovation
https://www.readbyqxmd.com/read/28057517/myoelectric-activation-pattern-changes-in-the-involved-limb-of-individuals-with-transtibial-amputation-during-locomotor-state-transitions
#2
Bryson H Nakamura, Michael E Hahn
OBJECTIVE: To investigate whether lower extremity muscle activation patterns differ in the strides leading to locomotive state transitions in the involved limb of individuals with transtibial amputation. It was hypothesized that all transitions would elicit activation differences between strides as the subjects moved toward the transition event. DESIGN: A single sample, observational study. SETTING: The study was conducted in the hallways, ramps and stairs of a university building...
January 2, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28055332/temperature-measurement-and-control-system-for-transtibial-prostheses-single-subject-clinical-evaluation
#3
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/28051969/effects-of-adding-neuromuscular-electrical-stimulation-to-traditional-military-amputee-rehabilitation
#4
Laura A Talbot, Emily Brede, E Jeffrey Metter
BACKGROUND: Traumatic transtibial amputations lead to an early decline in the use and weight bearing of the residual limb. These changes result in progressive quadriceps muscle atrophy with strength loss that affects standing and walking. Neuromuscular electrical stimulation (NMES) may be useful as an adjunct to amputee prosthetic rehabilitation to maintain quadriceps muscle strength and mass. The objective of this pilot study was to compare the effects of a home-based NMES rehabilitation program plus the traditional military amputee rehabilitation program (TMARP) to the effects of TMARP alone on quadriceps muscle strength, functional mobility, and pain in military service members after a combat-related lower extremity amputation...
January 2017: Military Medicine
https://www.readbyqxmd.com/read/28049004/microcirculatory-assessment-of-arterial-below-knee-stumps-near-infrared-spectroscopy-vs-transcutaneous-oxygen-tension-a-preliminary-study-in-prosthesis-users
#5
Davy Laroche, José-Luis Barnay, Bastien Tourlonias, Cyril Orta, Christine Obert, Jean-Marie Casillas
OBJECTIVES: To examine metrological properties of near-infrared spectroscopy (NIRS) vs. transcutaneous oxygen tension (TcPO2) for microcirculatory assessment of vascular transtibial stumps at the stabilized period of prosthesis fitting, as a preliminary step before exploring its ability to predict stump healing, considering the previously identified limits of TcPO2 (borderline area between 15 and 35 mmHg). DESIGN: Prospective single-centre observational study. SETTING: University-based rehabilitation center...
December 31, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28032708/what-role-does-low-bone-mineral-density-play-in-the-killer-turn-effect-after-transtibial-posterior-cruciate-ligament-reconstruction
#6
Yue Li, Xing-Zuo Chen, Jin Zhang, Guan-Yang Song, Xu Li, Hua Feng
OBJECTIVE: To explore the mechanism of the "killer turn", which is reported to be a reason for postoperative residual laxity after transtibial posterior cruciate ligament (PCL) reconstruction, in a low bone mineral density (BMD) condition. METHODS: A total of 80 skeletally mature female New Zealand white rabbits were included for biomechanical evaluation after transtibial PCL reconstructions. The subjects were equally divided into low BMD (n = 40) and control groups (n = 40)...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28032037/surgical-apgar-score-predicts-early-complication-in-transfemoral-amputees-retrospective-study-of-170-major-amputations
#7
Christian Wied, Nicolai B Foss, Morten T Kristensen, Gitte Holm, Thomas Kallemose, Anders Troelsen
AIM: To assess whether the surgical apgar score (SAS) is a prognostic tool capable of identifying patients at risk of major complications following lower extremity amputations surgery. METHODS: This was a single-center, retrospective observational cohort study conducted between January 2013 and April 2015. All patients who had either a primary transtibial amputation (TTA) or transfemoral amputation (TFA) conducted at our institution during the study period were assessed for inclusion...
December 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27997669/prosthesis-management-of-residual-limb-perspiration-with-subatmospheric-vacuum-pressure
#8
Glenn K Klute, Katherine J Bates, Jocelyn S Berge, Wayne Biggs, Charles King
For the ambulatory person with lower-limb amputation, insufficient management of perspiration can result in inadequate prosthesis adherence, reduced mobility, and discomfort. This study compared a dynamic air exchange (DAE) prosthesis designed to expel accumulated perspiration with a total surface bearing suction socket (Suction) that cannot. Five people with unilateral transtibial amputation participated in a randomized, crossover experiment. All subjects were given a 1 wk acclimation to each study prosthesis while we measured their step activity levels...
2016: Journal of Rehabilitation Research and Development
https://www.readbyqxmd.com/read/27995286/revision-surgery-in-anterior-cruciate-ligament-reconstruction-a-cohort-study-of-17-682-patients-from-the-swedish-national-knee-ligament-register
#9
Neel Desai, Daniel Andernord, David Sundemo, Eduard Alentorn-Geli, Volker Musahl, Freddie Fu, Magnus Forssblad, Kristian Samuelsson
PURPOSE: To investigate the association between surgical variables and the risk of revision surgery after ACL reconstruction in the Swedish National Knee Ligament Register. METHODS: This cohort study was based on data from the Swedish National Knee Ligament Register. Patients who underwent primary single-bundle ACL reconstruction with hamstring tendon were included. Follow-up started with primary ACL reconstruction and ended with ACL revision surgery or on 31 December, 2014, whichever occurred first...
December 19, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27978587/efficacy-of-two-techniques-in-anterior-cruciate-ligament-reconstruction
#10
James A Hurt, John H Berry, William Replogle, Kasey Thibodeaux, Josie M Hydrick, Austin M Barrett, Gene R Barrett
The purpose of this study is to compare failure rate and functional outcome in young, active patients (< 25 years) with two-incision (rear-entry) versus transtibial (all-endoscopic) anterior cruciate ligament (ACL) reconstructions.Utilizing a computerized relational database (Access 2007, Microsoft Inc., Redmond, WA), 480 patients were identified that underwent ACL reconstruction, using a bone-patellar-tendon-bone autograft, by a single surgeon between January 2000 and December 2010 via a transtibial or two-incision technique...
December 15, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27973573/characterizing-the-mechanical-properties-of-running-specific-prostheses
#11
Owen N Beck, Paolo Taboga, Alena M Grabowski
The mechanical stiffness of running-specific prostheses likely affects the functional abilities of athletes with leg amputations. However, each prosthetic manufacturer recommends prostheses based on subjective stiffness categories rather than performance based metrics. The actual mechanical stiffness values of running-specific prostheses (i.e. kN/m) are unknown. Consequently, we sought to characterize and disseminate the stiffness values of running-specific prostheses so that researchers, clinicians, and athletes can objectively evaluate prosthetic function...
2016: PloS One
https://www.readbyqxmd.com/read/27959816/a-real-time-gait-event-detection-for-lower-limb-prosthesis-control-and-evaluation
#12
Hafiz Farhan Maqbool, Muhammad Afif Bin Husman, Mohammed I Awad, Alireza Abouhossein, Nadeem Iqbal, Abbas A Dehghani-Sanij
Lower extremity amputees suffer from mobility limitations which will result in a degradation of their quality of life. Wearable sensors are frequently used to assess spatio-temporal, kinematic and kinetic parameters providing the means to establish an interactive control of the amputee-prosthesis-environment system. Gait events and the gait phase detection of an amputee's locomotion are vital for controlling lower limb prosthetic devices. The paper presents an approach to real-time gait event detection for lower limb amputees using a wireless gyroscope attached to the shank when performing level ground and ramp activities...
December 7, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/27935565/traumatic-amputations-in-children-and-adolescents-a-demographic-study-from-a-tertiary-care-center-in-northern-india
#13
Javed Ahmad, Anil Kumar Gupta, V P Sharma, Dileep Kumar, Ganesh Yadav, Sanjai Singh
PURPOSE: To determine the demographic pattern, level, mechanism of traumatic amputation in children and adolescent age group and to compare findings with other studies. METHODS: Patients aged less than 18 years with traumatic amputation attending Department of Physical Medicine and Rehabilitation, King George's Medical University, Lucknow, India between July 2013 and January 2016 were enrolled and their demographic characteristics were analyzed. RESULTS: Fifty-three patients were included aged less than 18 years when injured...
November 30, 2016: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/27925475/reorganization-of-the-primary-motor-cortex-following-lower-limb-amputation-for-vascular-disease-a-pre-post-amputation-comparison
#14
Brenton Hordacre, Lynley V Bradnam, Maria Crotty
PURPOSE: This study compared bilateral corticomotor and intracortical excitability of the primary motor cortex (M1), pre- and post-unilateral transtibial amputation. METHOD: Three males aged 45, 55, and 48 years respectively who were scheduled for elective amputation and thirteen (10 male, 3 female) healthy control participants aged 58.9 (SD 9.8) were recruited. Transcranial magnetic stimulation assessed corticomotor and intracortical excitability of M1 bilaterally...
December 7, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27923481/regulation-of-step-frequency-in-transtibial-amputee-endurance-athletes-using-a-running-specific-prosthesis
#15
Laura M Oudenhoven, Judith M Boes, Laura Hak, Gert S Faber, Han Houdijk
Running specific prostheses (RSP) are designed to replicate the spring-like behaviour of the human leg during running, by incorporating a real physical spring in the prosthesis. Leg stiffness is an important parameter in running as it is strongly related to step frequency and running economy. To be able to select a prosthesis that contributes to the required leg stiffness of the athlete, it needs to be known to what extent the behaviour of the prosthetic leg during running is dominated by the stiffness of the prosthesis or whether it can be regulated by adaptations of the residual joints...
January 25, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/27923212/comparison-of-diabetic-charcot-patients-with-and-without-foot-wounds
#16
Dane K Wukich, David Sadoskas, Nicholas J Vaudreuil, Mitchell Fourman
BACKGROUND: The primary aim of this study was to evaluate the outcomes of a series of patients with Charcot neuroarthropathy (CN) who were evaluated in a tertiary care setting. We hypothesized that those patients with CN who presented with a Charcot-related foot wound would have lower rates of successful limb salvage than patients who presented without a wound. METHODS: Two hundred forty-five patients (280 feet) were identified with diabetic CN during the time period from January 1, 2005, to June 1, 2015...
October 23, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27923050/the-effect-of-alignment-changes-on-unilateral-transtibial-amputee-s-gait-a-systematic-review
#17
Niels Jonkergouw, Maarten R Prins, Arjan W P Buis, Peter van der Wurff
INTRODUCTION: Prosthetic alignment, positioning of a prosthetic foot relative to a socket, is an iterative process in which an amputee's gait is optimized through repetitive optical gait observation and induction of alignment adjustments when deviations are detected in spatiotemporal and kinematic gait parameters. An important limitation of the current prosthetic alignment approach is the subjectivity and the lack of standardized quantifiable baseline values. The purpose of this systematic review is to investigate if an optimal alignment criterion can be derived from published articles...
2016: PloS One
https://www.readbyqxmd.com/read/27919916/posterior-meniscal-root-repairs-outcomes-of-an-anatomic-transtibial-pull-out-technique
#18
Robert F LaPrade, Lauren M Matheny, Samuel G Moulton, Evan W James, Chase S Dean
BACKGROUND: Outcomes after transtibial pull-out repair for posterior meniscal root tears remain underreported, and factors that may affect outcomes are unknown. PURPOSE/HYPOTHESIS: The purpose of this study was to compare patient-centered outcomes after transtibial pull-out repair for posterior root tears in patients <50 and ≥50 years of age. We hypothesized that improvement in function and activity level at minimum 2-year follow-up would be similar among patients <50 years of age compared with patients ≥50 years and among patients undergoing medial versus lateral root repairs...
December 5, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27913784/the-effectiveness-of-the-bone-bridge-transtibial-amputation-technique-a-systematic-review-of-high-quality-evidence
#19
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...
December 1, 2016: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/27909674/minimally-invasive-quadriceps-tendon-harvest-and-graft-preparation-for-all-inside-anterior-cruciate-ligament-reconstruction
#20
Harris S Slone, William B Ashford, John W Xerogeanes
The quadriceps tendon is an infrequently used graft option for anterior cruciate ligament reconstruction despite favorable clinical results in the literature with low donor site morbidity. It is a versatile graft that can be harvested with bone or as a soft tissue graft alone. In addition, it can be used for anatomic, double-bundle, transtibial, and all-inside reconstructions. The unique characteristics of the quadriceps tendon allow for the ability to harvest a single-bundle large-diameter graft and minimize disruption of normal anatomy, which makes the quadriceps tendon an excellent choice for all-inside techniques...
October 2016: Arthroscopy Techniques
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