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Specialty: Orthopaedics

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Total 785 results found since Jan 2013.

Worsening Cervical Epidural Hematoma After Tissue Plasminogen Activator Administration for Stroke Like Symptoms
Conclusion. To our knowledge, only three cases of cervical SEH with hemiparesis erroneously treated with tPA resulting in neurological decline because of the enlargement of an existing hematoma, including the current case, have been reported in the English literature. It is important for physicians, especially those who administer tPA treatment, to include cervical SEH in the differential diagnosis of stroke in patients presenting with sudden back pain followed by the onset of neurological deficits including hemiparesis. Level of Evidence: 5
Source: Spine - March 26, 2016 Category: Orthopaedics Tags: Case Report Source Type: research

Restoring mobility after stroke: first kinematic results from a pilot study with a hybrid drop foot stimulator
ConclusionAn implantable functional electrical stimulation system seems to be a promising treatment of drop feet following strokes. Further clinical investigations are necessary to confirm these first insights.
Source: Musculoskeletal Surgery - August 31, 2016 Category: Orthopaedics Source Type: research

Effects of hip abduction and adduction accuracy on post-stroke gait
Gait instability often limits post-stroke function, although the mechanisms underlying this instability are not entirely clear. Our recent work has suggested that one possible factor contributing to post-stroke gait instability is a reduced ability to accurately control foot placement. The purpose of the present experiments was to investigate whether post-stroke gait function is related to the ability to accurately abduct and adduct the hip, as required for accurate foot placement.
Source: Clinical Biomechanics - March 2, 2017 Category: Orthopaedics Authors: Jesse C. Dean, Aaron E. Embry, Katy H. Stimpson, Lindsay A. Perry, Steven A. Kautz Tags: Lecture Source Type: research

Predictors of Acute Ischemic Stroke After Total Knee Arthroplasty.
Authors: Menendez ME, Greber EM, Schumacher CS, Lowry Barnes C Abstract Although acute ischemic stroke (AIS) is a feared medical complication after total knee arthroplasty (TKA), little is known about its incidence and risk factors. The purpose of this retrospective populationbased study using the Nationwide Inpatient Sample (2008-2011) was to determine the incidence and predictors of AIS following TKA. The rate of perioperative AIS was 0.08%. Patients undergoing bilateral TKA were almost three times more likely to develop AIS compared with unilateral TKA patients. The age group with the highest odds of AIS was ≥...
Source: Journal of surgical orthopaedic advances - November 14, 2017 Category: Orthopaedics Tags: J Surg Orthop Adv Source Type: research

Robotic rehabilitation effect on upper limb recovery in post-acute stroke
Introduction: In the last decade, neurorehabilitation robotic technologies have become widely spread and scientific evidence of their clinical effectiveness has increased [1]. Functional recovery of the upper limb is one of the main rehabilitation goals for post stroke hemiplegic patients and the use of robotic technologies is recommended in stroke guidelines [2]. The main objective of this study is to evaluate the robotic training effect on the upper limb neuromotor outcome after stroke. In addition, another aim is to evaluate the potential effect on motor recovery speed during the hospitalization time.
Source: Gait and Posture - October 1, 2018 Category: Orthopaedics Authors: D. Quaglia, M. Gasperi, R. Coser, G. Grisenti, M. Scartozzi, E. Girardi, N. Mazzini Source Type: research

Efficacy of Robotic-Assisted Gait Training in sub-acute stroke patients: An Italian bi-centre study
Introduction: Over the last years, the introduction of robotic technologies in gait rehabilitation of stroke patients has had a greatest interest. Some studies have been conducted to assess the effects of robot-assisted training compared to gait conventional rehabilitation in sub-acute stroke patients. The main results were obtained in studies that used robotic exoskeletons or treadmill training with partial body weight support and only few papers used end-effector device [1]. To date, there are very few studies that have used gait analysis to show improvements in gait parameters after gait rehabilitation in sub-acute stroke patients [2].
Source: Gait and Posture - October 1, 2018 Category: Orthopaedics Authors: C. Iacovelli, M. Franceschini, A. Cruciani, C. Simbolotti, M. Goffredo, C. Pecchioli, L. Padua, D. Galafate, S. Pournajaf, I. Aprile Source Type: research

Modified Biceps Suspension Procedure for Painful Glenohumeral Inferior Subluxation in Hemiplegic Stroke Patients: A Preliminary Study
In this study, we sought to report the early outcomes of a biceps tendon suspension-rotator interval imbrication procedure performed in 5 hemiplegic stroke patients with intractable shoulder pain. This procedure was a modification of a previously reported technique and involved looping the distal end of the proximal biceps long head tendon through transosseous tunnels in the bicipital groove and imbrication of the rotator interval. The mean pain VAS score was significantly improved from 8 preoperatively to 2 postoperatively. The mean American Shoulder and Elbow Surgeons score was also improved from 12 to 45. Four patients ...
Source: Techniques in Shoulder and Elbow Surgery - October 30, 2018 Category: Orthopaedics Tags: Research Articles Source Type: research

Rectus femoris transfer improves stiff knee gait in hemiplegic adults following stroke or traumatic brain injury.
Authors: Vermeiren A, Bar-On L, Van Campenhout A Abstract The aim of this study was to provide quantitative evidence of the effect of rectus femoris (RF) transfer surgery on improving gait in adults suffering from stiff knee gait (SKG) following stroke or traumatic brain injury (TBI). Retrospective cohort study University hospital, department of orthopaedic surgery Hemiplegic patients with decreased peak knee flexion in swing, reduced total knee range of motion and spasticity of the RF demonstrated by a positive Duncan Ely test and a pathologic dynamic electromyography of the RF. Ten right hemiplegic patients had a...
Source: Acta Orthopaedica Belgica - April 27, 2019 Category: Orthopaedics Tags: Acta Orthop Belg Source Type: research

The effect of neuromuscular electrical stimulation with different electrode positions on swallowing in stroke patients with oropharyngeal dysphagia: A randomized trial.
CONCLUSIONS: Altogether, these data demonstrate that 2 types of NMES placements have a similar effect on improving swallowing function and oral diet intake in patients with dysphagia. PMID: 31594198 [PubMed - as supplied by publisher]
Source: Journal of Back and Musculoskeletal Rehabilitation - October 10, 2019 Category: Orthopaedics Tags: J Back Musculoskelet Rehabil Source Type: research

Characteristics of upper-extremity reactions to sudden lateral loss of balance in persons with stroke
BackgroundUpper-extremity reactions are part of a whole-body response to counterweight the falling center of mass after unexpected balance loss. Impairments in upper-extremity reactions due to unilateral hemiparesis may contribute to stroke survivors' propensity for falling. We aimed to characterize upper-extremity (paretic and non-paretic sides) reactive movements in response to lateral balance perturbations in Persons with Stroke vs. healthy controls.MethodsTwenty-six subacute persons with stroke and 15 healthy controls were exposed to multidirectional sudden unannounced surface translations in stance.
Source: Clinical Biomechanics - December 24, 2020 Category: Orthopaedics Authors: Shirley Handelzalts, Flavia Chen-Steinberg, Nachum Soroker, Guy Shani, Itshak Melzer Tags: Lecture Source Type: research

Ankle stiffness modulation during different gait speeds in individuals post-stroke
Individuals post-stroke did not modulate their ankle quasi-stiffness with increased speed, but across individuals there was a positive relationship between ankle quasi-stiffness and both speed and peak propulsion. Walking speed and propulsion are limited in individuals post-stroke, therefore, improving either could lead to a higher functional status. Understanding post-stroke ankle stiffness may be important in the design of therapeutic interventions and exoskeletons, where these devices augment the biological ankle quasi-stiffness to improve walking performance.
Source: Clinical Biomechanics - September 8, 2022 Category: Orthopaedics Authors: Erica H. Hinton, Aaron Likens, Hao-Yuan Hsiao, Benjamin I. Binder-Markey, Stuart A. Binder-Macleod, Brian A. Knarr Source Type: research

A method to differentiate the causes of stiff-knee gait in stroke patients
Abstract: Stiff-knee gait (SKG) is a common abnormal gait pattern in patients after stroke characterized by insufficient knee flexion (KF) during swing. Overactivity of the rectus femoris (RF) is considered the primary cause of SKG. Inadequate push-off has been indicated as an additional cause in the recent literature, as KF depends on knee flexion velocity in preswing (KFV).We used the peak of vertical acceleration of the malleolus (PMVA) as a kinematic-based indirect measure of push-off and studied its relationship with KF and KFV in a sample of 20 healthy subjects walking fast (v=95±5%heights−1), at self-selected spe...
Source: Gait and Posture - June 6, 2013 Category: Orthopaedics Authors: I. Campanini, A. Merlo, B. Damiano Tags: Siamoc Best Paper Award 2012 Source Type: research

Postactivation depression changes after robotic-assisted gait training in hemiplegic stroke patients
This study provides the first demonstration that physical exercise can determine a partial normalization of postactivation depression in hemiparetic patients with spasticity following unilateral hemispheric stroke.
Source: Gait and Posture - April 8, 2013 Category: Orthopaedics Authors: Carlo Trompetto, Lucio Marinelli, Laura Mori, Elena Cossu, Roberto Zilioli, Marina Simonini, Giovanni Abbruzzese, Luigi Baratto Tags: Full Length Articles Source Type: research

Effect of treadmill training based real-world video recording on balance and gait in chronic stroke patients: A randomized controlled trial
Highlights: Abstract: Objective: The purpose of this study was to determine the role of treadmill training based real-world video recording (TRWVR) for balance and gait ability in chronic stroke patients.Design: Thirty chronic stroke patients were randomly assigned to either the TRWVR group (n=15) or the control group (n=15). Both groups participated in a standard rehabilitation program; in addition, the TRWVR group participated in TRWVR for 30min per day, three times per week, for 6 weeks, and the control group participated in treadmill walking training for 30min per day, three times per week, for 6 weeks. Balance ability...
Source: Gait and Posture - October 2, 2013 Category: Orthopaedics Authors: Ki Hun Cho, Wan Hee Lee Tags: Articles Source Type: research

Does the rectus femoris nerve block improve knee recurvatum in adult stroke patients? A kinematic and electromyographic study
Highlights: Abstract: Knee recurvatum (KR) during gait is common in hemiplegic patients. Quadriceps spasticity has been postulated as a cause of KR in this population. The aim of this study was to assess the role of rectus femoris spasticity in KR by using selective motor nerve blocks of the rectus femoris nerve in hemiparetic stroke patients. The data from six adult, post-stroke hemiplegic patients who underwent a rectus femoris nerve block for a stiff-knee gait were retrospectively analyzed. An extensive clinical and functional evaluation was performed and gait was assessed by motion analysis (kinematic, kinetic and elec...
Source: Gait and Posture - November 27, 2013 Category: Orthopaedics Authors: R. Gross, L. Delporte, L. Arsenault, P. Revol, M. Lefevre, D. Clevenot, D. Boisson, P. Mertens, Y. Rossetti, J. Luauté Tags: Articles Source Type: research