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https://www.readbyqxmd.com/read/28213787/the-influence-of-femoral-tunnel-length-on-graft-rupture-after-anterior-cruciate-ligament-reconstruction
#1
Luiz Gabriel Betoni Guglielmetti, Leandro Girardi Shimba, Leonardo Cantarelli do Santos, Fabrício Roberto Severino, Nilson Roberto Severino, Patrícia Maria de Moraes Barros Fucs, Ricardo de Paula Leite Cury
BACKGROUND: For ACL reconstruction, the minimum length of the femoral tunnel and the flexor tendon graft length needed within the tunnel for proper integration have not been defined. The aim of this study was to assess whether a short tunnel is a risk factor for poor prognosis and re-rupture by comparing the outcomes of patients with short femoral tunnels to those of patients with longer tunnels. MATERIALS AND METHODS: A retrospective observational study of 80 patients who underwent ACL reconstruction using flexor tendons via the medial transportal or transtibial technique was performed...
February 18, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28195886/pedicled-sensate-composite-calcaneal-flap-in-children-with-congenital-tibial-pseudoarthrosis
#2
Mauricio L D Mongon, Fernando C Ribera, Antonio M A de Souza, Aurelio L Sposito, William D Belangero, Bruno Livani
BACKGROUND: The preservation and functionality of a limb affected by a malformation (such as congenital pseudoarthrosis of the tibia) or a severely mangled lower limb in children, despite modern reconstructive techniques, remains challenging, often eventually requiring amputation to achieve a better outcome. The classical Syme and Boyd procedures are functionally better than transtibial (TT) amputation, but are not feasible for congenital tibial pseudoarthrosis. TT amputation delivers an excellent, effective, and functional stump that usually leads, after prosthetization, to a functional gait...
February 10, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28182797/can-real-time-visual-feedback-during-gait-retraining-reduce-metabolic-demand-for-individuals-with-transtibial-amputation
#3
Elizabeth Russell Esposito, Harmony S Choi, Benjamin J Darter, Jason M Wilken
The metabolic demand of walking generally increases following lower extremity amputation. This study used real-time visual feedback to modify biomechanical factors linked to an elevated metabolic demand of walking in individuals with transtibial amputation. Eight persons with unilateral, traumatic transtibial amputation and 8 uninjured controls participated. Two separate bouts of real-time visual feedback were provided during a single session of gait retraining to reduce 1) center of mass sway and 2) thigh muscle activation magnitudes and duration...
2017: PloS One
https://www.readbyqxmd.com/read/28168120/medial-knee-joint-contact-force-in-the-intact-limb-during-walking-in-recently-ambulatory-service-members-with-unilateral-limb-loss-a-cross-sectional-study
#4
Ross H Miller, Rebecca L Krupenevich, Alison L Pruziner, Erik J Wolf, Barri L Schnall
BACKGROUND: Individuals with unilateral lower limb amputation have a high risk of developing knee osteoarthritis (OA) in their intact limb as they age. This risk may be related to joint loading experienced earlier in life. We hypothesized that loading during walking would be greater in the intact limb of young US military service members with limb loss than in controls with no limb loss. METHODS: Cross-sectional instrumented gait analysis at self-selected walking speeds with a limb loss group (N = 10, age 27 ± 5 years, 170 ± 36 days since last surgery) including five service members with transtibial limb loss and five with transfemoral limb loss, all walking independently with their first prosthesis for approximately two months...
2017: PeerJ
https://www.readbyqxmd.com/read/28167862/mycetoma-in-a-non-endemic-area-a-diagnostic-challenge
#5
Boubacar Efared, Layla Tahiri, Marou Soumana Boubacar, Gabrielle Atsam-Ebang, Nawal Hammas, El Fatemi Hinde, Laila Chbani
BACKGROUND: Mycetoma is a chronic granulomatous infectious disease caused by filamentous bacteria or by fungi. The disease is endemic in certain tropical and subtropical areas of the world but can be found elsewhere posing sometimes a diagnostic challenge for clinicians. CASE PRESENTATION: A 65-year- old man presented with a right foot swelling evolving for 25 years. During that time, several diagnosis and treatments have been made without any improvement. The disease spread to bones, and misdiagnosed as Kaposi's sarcoma...
2017: BMC Clinical Pathology
https://www.readbyqxmd.com/read/28149714/all-anterior-approach-for-arthroscopic-posterior-cruciate-ligament-reconstruction-with-remnant-preservation
#6
Tianwu Chen, Shaohua Liu, Jiwu Chen
We describe the all-anterior approach for arthroscopic posterior cruciate ligament (PCL) reconstruction with remnant preservation. In this technique, PCL is reconstructed through 3 anterior portals: anterolateral portal, anteromedial portal, and inferior anterolateral portal, whereas the PCL remnant is preserved with great possibility. With the PCL elevator and wire catcher (Smith & Nephew), a self-made wire loop is introduced into the joint through the tibial tunnel, and is used to pass the graft in an all-inside-out fashion...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28144581/tourniquets-do-not-increase-the-total-blood-loss-or-re-amputation-risk-in-transtibial-amputations
#7
Christian Wied, Peter T Tengberg, Gitte Holm, Thomas Kallemose, Nicolai B Foss, Anders Troelsen, Morten T Kristensen
AIM: To investigate the total blood loss (TBL) and the safety with respect to the re-amputation rate after transtibial amputation (TTA) conducted with and without a tourniquet. METHODS: The study was a single-centre retrospective cohort study of patients with a primary TTA admitted between January 2013 and April 2015. All patients with a primary TTA were assessed for inclusion if the amputation was performed because of arteriosclerosis or diabetic complications...
January 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28138919/corr-insights-%C3%A2-no-clinically-important-difference-in-knee-scores-or-instability-between-transtibial-and-inlay-techniques-for-pcl-reconstruction-a-systematic-review
#8
Freddie H Fu
No abstract text is available yet for this article.
January 30, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28132087/comparison-of-transtibial-and-retrograde-outside-in-techniques-of-anterior-cruciate-ligament-reconstruction-in-terms-of-graft-nature-and-clinical-outcomes-a-case-control-study-using-3t-mri
#9
Jin Hwan Ahn, Yong Seuk Lee, Hwa Jae Jeong, Jai Hyung Park, Yohan Cho, Kwang-Jeong Kim, Taeg Su Ko
INTRODUCTION: This study was performed to compare ACL graft maturation and morphologies using MRI between trans-tibial (TT) and retrograde outside-in (OI) techniques, and to compare clinical outcomes between the two groups. MATERIALS AND METHODS: Patients underwent single-tunnel ACL reconstruction using quadrupled hamstring autografts, with the TT technique used on 42 patients (TT group) and the retrograde OI technique used on 39 patients (OI group). All patients were examined with 3 T MRI at 6 months (between 5 and 7 months) after surgery...
January 28, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28126335/two-biomechanical-strategies-for-locomotor-adaptation-to-split-belt-treadmill-walking-in-subjects-with-and-without-transtibial-amputation
#10
Brian P Selgrade, Megan E Toney, Young-Hui Chang
Locomotor adaptation is commonly studied using split-belt treadmill walking, in which each foot is placed on a belt moving at a different speed. As subjects adapt to split-belt walking, they reduce metabolic power, but the biomechanical mechanism behind this improved efficiency is unknown. Analyzing mechanical work performed by the legs and joints during split-belt adaptation could reveal this mechanism. Because ankle work in the step-to-step transition is more efficient than hip work, we hypothesized that control subjects would reduce hip work on the fast belt and increase ankle work during the step-to-step transition as they adapted...
January 14, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28114026/a-real-time-gait-event-detection-for-lower-limb-prosthesis-control-and-evaluation
#11
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/28104752/reduced-prosthetic-stiffness-lowers-the-metabolic-cost-of-running-for-athletes-with-bilateral-transtibial-amputations
#12
Owen N Beck, Paolo Taboga, Alena Marie Grabowski
Inspired by the spring-like action of biological legs, running-specific prostheses are designed to enable athletes with lower-limb amputations to run. Yet, manufacturer recommendations for prosthetic stiffness and height may not optimize running performance. Therefore, we investigated the effects of using different prosthetic configurations on the metabolic cost and biomechanics of running. Five athletes with bilateral transtibial amputations each performed fifteen trials on a force-measuring treadmill at 2...
January 19, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28103735/comparison-of-transtibial-amputations-in-diabetic-patients-with-and-without-end-stage-renal-disease
#13
Dane K Wukich, Junho Ahn, Katherine M Raspovic, Frank A Gottschalk, Javier La Fontaine, Larry A Lavery
BACKGROUND: The primary purpose of this retrospective study was to report on a consecutive series of 102 patients with diabetes mellitus (DM) who underwent transtibial amputation (TTA) for chronic infections and nonreconstructable lower extremity deformities. A secondary aim was to compare the outcomes of TTA patients with end-stage renal disease on dialysis (ESRD) to patients without ESRD, and to identify risk factors for mortality after TTA. METHODS: This cohort involved a consecutive series of patients who were treated by a single surgeon...
January 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28100097/spina-bifida-and-lower-limb-amputation-in-northern-ireland-a-retrospective-study-of-demographics-and-outcome
#14
Lorraine Graham
BACKGROUND: Spina bifida is an uncommon cause for lower limb amputation. The causes and level of amputation and mobility outcome for these patients have not been reported previously. CASE DESCRIPTION: To identify the causes and level of amputation and the mobility outcome for amputee patients with spina bifida. STUDY DESIGN: Retrospective case series. METHODS: Chart review of patients identified by computer as having an amputation secondary to neurological or congenital cause...
January 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28094681/relationship-between-body-height-and-spatiotemporal-parameters-during-a-100-m-sprint-in-able-bodied-and-unilateral-transtibial-sprinters
#15
Hiroaki Hobara, Wolfgang Potthast, Ralf Müller, Yoshiyuki Kobayashi, Satoru Hashizume, Thijs A Herdoorn, Masaaki Mochimaru
BACKGROUND: Although anthropometric factors could influence sprint performance in able-bodied sprinters, little is known about the relationships between these anthropometric factors and sprint performance in amputee sprinters. OBJECTIVES: To investigate the relationships between body height and spatiotemporal parameters of 100-m sprints in unilateral transtibial amputee and able-bodied sprinters. STUDY DESIGN: This is a cross-sectional study...
January 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28094680/changes-in-the-corticospinal-tract-after-wearing-prosthesis-in-bilateral-transtibial-amputation
#16
Sang Yoon Lee, Si Hyun Kang, Don-Kyu Kim, Kyung Mook Seo, Hee Joon Ro, Jae Kyun Kim
BACKGROUND: After amputation, the brain is known to be reorganized especially in the primary motor cortex. We report a case to show changes in the corticospinal tract in a patient with serial bilateral transtibial amputations using diffusion tensor imaging. Case Description and Methods: A 78-year-old man had a transtibial amputation on his left side in 2008 and he underwent a right transtibial amputation in 2011. An initial brain magnetic resonance imaging with a diffusion tensor imaging was performed before starting rehabilitation on his right transtibial prosthesis, and a follow-up magnetic resonance imaging with diffusion tensor imaging was performed 2 years after this...
January 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28066519/economic-evaluations-of-interventions-for-transtibial-amputees-a-scoping-review-of-comparative-studies
#17
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
#18
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
#19
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
#20
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
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