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https://www.readbyqxmd.com/read/28633973/patellofemoral-osteoarthritis-progression-and-alignment-changes-after-open-wedge-high-tibial-osteotomy-do-not-affect-clinical-outcomes-at-mid-term-follow-up
#1
Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Shintaro Iwai, Akira Nakanishi, Ken Ueoka
PURPOSE: To evaluate the clinical and radiological outcomes of open-wedge high tibial osteotomy (OWHTO) with respect to the patellofemoral joint and to assess whether patellofemoral osteoarthritis (OA) progression and alignment changes after OWHTO affect clinical outcomes. METHODS: Inclusion criteria were consecutive patients who underwent OWHTO from March 2005 to September 2013. Exclusion criteria were loss to follow-up within 2 years and absence of second-look arthroscopy findings at the time of plate removal...
June 17, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28626324/lower-trunk-muscle-activity-induced-alignment-and-cop-position-during-single-leg-standing
#2
Tetsuya Nakao, Kenichi Masuda, Shigeyuki Kanai, Junzo Tsujita, Kazufumi Hirakawa, Shuichi Okada
[Purpose] The purpose of this study was to clarify fundamental changes induced by lower trunk muscle contraction during single-leg standing. [Subjects and Methods] Ten healthy normal males participated in this study. All subjects could accurately perform lower trunk muscle contraction-type Abdominal Expansion (AE), Abdominal Bracing (AB), and Abdominal Cave-in (AC). The alignment and position of the center of foot pressure (COP) during single-leg standing with SLR and step position after rotating the body from single-leg standing with maximum SLR were measured in each lower trunk muscle contraction type...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28622902/a-critical-analysis-of-sagittal-plane-deformity-correction-with-minimally-invasive-adult-spinal-deformity-surgery-a-2-year-follow-up-study
#3
Gregory M Mundis, Jay D Turner, Vedat Deverin, Juan S Uribe, Pierce Nunley, Praveen Mummaneni, Neel Anand, Paul Park, David O Okonkwo, Michael Y Wang, Shay Bess, Adam S Kanter, Richard Fessler, Stacie Nguyen, Behrooz A Akbarnia
INTRODUCTION: Sagittal plane realignment is important to achieve desirable clinical outcomes after adult spinal deformity (ASD) surgery. This study evaluates the impact of minimally invasive (MIS) techniques on sagittal plane alignment and clinical outcomes in ASD patients. METHODS: A retrospective, multi-center review of ASD patients (age ≥18 years, and with one of the following: coronal Cobb ≥20°, sagittal vertical axis [SVA] >5 cm, and/or pelvic tilt >25°), MIS surgery, and four or more levels instrumented...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28606637/three-dimensional-shoulder-motion-after-teres-major-or-latissimus-dorsi-tendon-transfer-for-posterosuperior-rotator-cuff-tears
#4
Jan Ferdinand Henseler, Arjen Kolk, Bob Zondag, Jochem Nagels, Jurriaan H de Groot, Rob G H H Nelissen
BACKGROUND: Teres major (TM) transfer and latissimus dorsi (LD) transfer are essential treatment options in patients with posterosuperior rotator cuff (RC) tears. The purpose of this study was to quantify shoulder kinematics before and after TM transfer and LD transfer in posterosuperior RC tear patients. METHODS: In this prospective cohort study, we quantitatively measured shoulder movements using an electromagnetic tracking device (Flock of Birds) preoperatively and 1 year after either TM (n = 13) or LD (n = 9) tendon transfer...
June 9, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28605288/neck-and-scapula-focused-exercise-training-on-patients-with-non-specific-neck-pain-a-randomized-controlled-trial
#5
Taha Ibrahim Yildiz, Elif Turgut, Irem Duzgun
OBJECTIVES: The purpose of this study was to investigate the effects of additional 6-week scapular stabilization training in patients with non-specific neck pain (NNP). MATERIALS AND METHOD: Thirty patients with non-specific neck pain were randomly allocated to the study. Fifteen participants in the intervention group (IG) received neck-focused exercise and scapular stabilization training while 15 participants in the control group(CG) received neck-focused exercise training...
June 12, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28602325/pigment-dispersion-syndrome-and%C3%A2-pigmentary-glaucoma-after-secondary-sulcus-transscleral-fixation-of-single-piece-foldable%C3%A2-posterior-chamber-intraocular-lenses%C3%A2-in%C3%A2-chinese-aphakic-patients
#6
Nianting Tong, Fuling Liu, Ting Zhang, Liangyu Wang, Zhanyu Zhou, Huimin Gong, Fuxiang Yuan
PURPOSE: To describe secondary pigment dispersion syndrome (PDS) and pigmentary glaucoma after secondary sulcus transscleral fixation of 1-piece hydrophobic acrylic foldable posterior chamber intraocular lenses (PC IOLs) in aphakic patients in a Chinese population. SETTING: Department of Ophthalmology, Qingdao Municipal Hospital, Qingdao, China. DESIGN: Retrospective case series. METHODS: This chart review included eyes that had secondary sulcus transscleral fixation of a 1-piece hydrophobic acrylic foldable PC IOL (Tecnis ZCB00) between March 2011 and March 2014...
May 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28601393/oxidized-zirconium-versus-cobalt-chromium-against-the-native-patella-in-total-knee-arthroplasty-patellofemoral-outcomes
#7
Fabrizio Matassi, Tommaso Paoli, Roberto Civinini, Christian Carulli, Massimo Innocenti
BACKGROUND: Oxidized zirconium (OxZr) has demonstrated excellent mechanical properties in vitro when used against articular cartilage; less coefficient of friction and less chondral damage have been found when compared with cobalt-chromium (CoCr) implants. However, controversy exists as to whether implants with a zirconium femoral component articulate safely with a native patella in total knee arthroplasty (TKA). To answer this question, the clinical and radiographic results were analysed from a group of patients who underwent a TKA with patella retention; the OxZr versus CoCr femoral components were compared...
June 7, 2017: Knee
https://www.readbyqxmd.com/read/28600534/intracranial-fluid-redistribution-but-no-white-matter-microstructural-changes-during-a-spaceflight-analog
#8
Vincent Koppelmans, Ofer Pasternak, Jacob J Bloomberg, Yiri E De Dios, Scott J Wood, Roy Riascos, Patricia A Reuter-Lorenz, Igor S Kofman, Ajitkumar P Mulavara, Rachael D Seidler
The neural correlates of spaceflight-induced sensorimotor impairments are unknown. Head down-tilt bed rest (HDBR) serves as a microgravity analog because it mimics the headward fluid shift and axial body unloading of spaceflight. We investigated focal brain white matter (WM) changes and fluid shifts during 70 days of 6° HDBR in 16 subjects who were assessed pre (2x), during (3x), and post-HDBR (2x). Changes over time were compared to those in control subjects (n = 12) assessed four times over 90 days. Diffusion MRI was used to assess WM microstructure and fluid shifts...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28587977/combination-of-straight-and-tilted-implants-for-supporting-screw-retained-dental-prostheses-in-atrophic-posterior-maxillae-a-2-year-prospective-study
#9
Juan-Carlos Casar-Espinosa, Raquel Castillo-Oyagüe, María Ángeles Serrera-Figallo, Roberto Garrido-Serrano, Christopher D Lynch, Manuel Menéndez-Collar, Daniel Torres-Lagares, José-Luis Gutiérrez-Pérez
OBJECTIVES: To evaluate the two-year survival rate (SR) and marginal bone loss (MBL) of fixed dental prostheses (FDPs) supported by straight (S) and tilted (T) implants under the influence of diverse study variables. METHODS: A prospective investigation comprising 21 patients provided with a total of 27 maxillary screw-retained restorations fixed to 70 dental implants was developed. Two groups of implants were considered depending on their inclination with respect to the occlusal plane: Group 1 (S, n=37): straight/axial implants and Group 2 (T, n=33): tilted/angled fixations...
June 3, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28582894/a-study-on-trunk-muscle-activation-patterns-according-to-tilt-angle-during-whole-body-tilts
#10
Sun Hye Shin, Seung Rok Kang, Tae-Kyu Kwon, Changho Yu
BACKGROUND: Lower back pain has a lifetime prevalence of 80% for people in a modern society, and in recent years, spinal stabilization movement has been highlighted as a method to treat lower back pain and an unbalanced position. OBJECTIVE: The objectives of this study were to assess the trunk muscle activities in accordance with the tilt angles (10∘, 20∘, 30∘, 40∘) during trunk tilt exercises with a 3D dynamic exercise device. METHODS: Active tilt mode (a self-generated active movement in the angle and direction steered by the user) was used in this study...
May 19, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28579287/effect-of-1-or-2-level-posterior-lumbar-interbody-fusion-on-global-sagittal-balance
#11
Jae Hwan Cho, Youn-Suk Joo, Cheongsu Lim, Chang Ju Hwang, Dong-Ho Lee, Choon Sung Lee
BACKGROUND CONTEXT: Sagittal imbalance is associated with poor clinical outcomes in patients with degenerative lumbar disease. However, there is no consensus on the impact of posterior lumbar interbody fusion (PLIF) on local and global sagittal balance. PURPOSE: To reveal the effect of 1- or 2-level PLIF on global sagittal balance. STUDY DESIGN/SETTING: A retrospective case-control study. PATIENTS SAMPLE: This study included 88 patients who underwent a 1- or 2-level PLIF for spinal stenosis with spondylolisthesis...
June 1, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28559074/anterior-column-realignment-has-similar-results-to-pedicle-subtraction-osteotomy-in-treating-adults-with-sagittal-plane-deformity
#12
Gregory M Mundis, Jay D Turner, Nima Kabirian, Jeff Pawelek, Robert K Eastlack, Juan Uribe, Eric Klineberg, Shay Bess, Chris Ames, Vedat Deviren, Stacie Nguyen, Virginie Lafage, Behrooz A Akbarnia
OBJECTIVE: Anterior column realignment (ACR) is a minimally invasive surgical technique used for the correction of adult sagittal plane deformity. ACR is performed via a minimally invasive lateral transpsoas approach with anterior longitudinal ligament release and hyperlordotic cage placement. The objective of this study was to compare radiographic outcomes and complications in patients treated by ACR or PSO. METHODS: ACR patients were matched with patients from a retrospective PSO dataset, by pelvic incidence, lumbar lordosis, and thoracic kyphosis...
May 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28554809/five-year-outcomes-of-the-first-distal-uninstrumented-vertebra-after-posterior-fusion-for-adolescent-idiopathic-scoliosis-lenke-1-or-2
#13
J-L Clément, F Solla, C Morin, W Lakhal, J Sales de Gauzy, J Leroux, J-M Gennari, F H Parent, G Kreichati, S Wolf, I Obeid, A Tran
BACKGROUND: Tilt of the first distal uninstrumented vertebra (FDUV) reflects changes in the main curve and compensatory lumbar curve after posterior fusion to treat thoracic adolescent idiopathic scoliosis (AIS). HYPOTHESIS: FDUV tilt 5 years or more post-fusiondepends chiefly on reduction of the maincurve and on other factors such as selection of the last instrumented vertebra. MATERIAL AND METHOD: A multicentre retrospective cohort of 182 patients with Lenke 1 or 2 AIStreated with posterior instrumentation and followed up for a mean of 8 years and a minimum of 5 years was studied...
May 26, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28554052/acute-effects-of-spinal-bracing-on-scapular-kinematics-in-adolescent-idiopathic-scoliosis
#14
Gozde Gur, Elif Turgut, Cigdem Ayhan, Gul Baltaci, Yavuz Yakut
BACKGROUND: Bracing is the most common nonsurgical treatment for adolescent idiopathic scoliosis. Spinal braces affect glenohumeral and scapulothoracic motion because they restrict trunk movements. However, the potential spinal-bracing effects on scapular kinematics are unknown. The present study aimed to investigate the acute effects of spinal bracing on scapular kinematics in adolescent idiopathic scoliosis. METHODS: Scapular kinematics, including scapular internal/external rotation, posterior/anterior tilting, and downward/upward rotation during scapular plane elevation, were evaluated in 27 in-brace and out-of-brace adolescent idiopathic scoliosis patients with a three-dimensional electromagnetic tracking system...
May 22, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28550416/optimal-suture-anchor-direction-in-arthroscopic-lateral-ankle-ligament-repair
#15
Ichiro Yoshimura, Tomonobu Hagio, Masahiro Noda, Kazuki Kanazawa, So Minokawa, Takuaki Yamamoto
PURPOSE: In this study, the distance between the insertion point of the suture anchors and posterior surface of the fibula during arthroscopic lateral ankle ligament repair was investigated on computed tomography (CT) images. The hypothesis of this study was that there is an optimal insertional direction of the suture anchor to avoid anchor-related complications. METHODS: One hundred eleven ankles of 98 patients who had undergone three-dimensional CT scans for foot or ankle disorders without deformity of the fibula were assessed (59 males, 52 females; median age 25...
May 26, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28550358/visualization-of-a-cam-type-femoroacetabular-impingement-while-squatting-using-image-matching-techniques-a-case-report
#16
Kensei Yoshimoto, Satoshi Hamai, Hidehiko Higaki, Hirotaka Gondoh, Yasuharu Nakashima
The in vivo assessment of the three-dimensional (3D) kinematics of the hip in patients with femoroacetabular impingement (FAI) under weight-bearing conditions has not been previously reported. We evaluated the pre- and postoperative hip kinematics of a 34-year-old man, with a cam-type FAI while squatting, using image-matching techniques with measurement of the rim-neck distance. Post-osteochondroplasty, the α-angle improved from 51.0° to 35.5° and the head-neck offset ratio from 0.04 to 0.23. Coxalgia during squatting disappeared, and the Harris Hip Score improved from 79 to 92 at 1 year post-surgery...
May 27, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28547587/new-quantitative-radiographic-parameters-for-vertical-and-horizontal-instability-in-acromioclavicular-joint-dislocations
#17
Matthias A Zumstein, Philippe Schiessl, Benedikt Ambuehl, Lilianna Bolliger, Johannes Weihs, Martin H Maurer, Beat K Moor, Michael Schaer, Sumit Raniga
PURPOSE: The aim of this study was to identify the most accurate and reliable quantitative radiographic parameters for assessing vertical and horizontal instability in different Rockwood grades of acromioclavicular joint (ACJ) separations. Furthermore, the effect of projectional variation on these parameters was investigated in obtaining lateral Alexander view radiographs. METHODS: A Sawbone model of a scapula with clavicle was mounted on a holding device, and acromioclavicular dislocations as per the Rockwood classification system were simulated with the addition of horizontal posterior displacement...
May 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28532884/the-role-of-scapular-kinematics-in-patients-with-different-shoulder-musculoskeletal-disorders-a-systematic-review-approach
#18
REVIEW
Roshanak Keshavarz, Siamak Bashardoust Tajali, Seyed Mohsen Mir, H Ashrafi
This study aimed to identify the role of the scapula in shoulder musculoskeletal disorders (SMDs) and provided a systematic review of available studies in the field of scapular three-dimensional kinematics. We systematically searched 5 international databases, including Scopus, EMBASE, PubMed, CINAHL, PEDro, and Cochrane Library from June to September 2015. Twenty studies met the inclusion criteria and were retrieved in full paper. The selected studies were critically appraised independently by two researchers...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28530477/reliability-and-validity-of-an-acromion-marker-cluster-for-recording-scapula-posture-at-end-range-clavicle-protraction-retraction-elevation-and-depression
#19
Yaheli Bet-Or, Wolbert van den Hoorn, Venerina Johnston, Shaun P O'Leary
Acromion Marker Cluster (AMC) methods have been shown to accurately track scapula motion during humeral elevation below 90°, however, their accuracy has not been assessed in shoulder girdle motion such as clavicle protraction, retraction, elevation and depression independent of humeral movement. The aim of this study was to examine the reliability and validity of the AMC method to record scapula orientation at end range clavicle protraction, retraction, elevation and depression. The right scapulae of twenty-two female and twenty male asymptomatic volunteers were assessed with an AMC and Scapula Locator (SL) method during end range clavicle protraction, retraction, elevation and depression (without humeral elevation) using an eight-camera 3D movement registration system...
May 22, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28526568/analysis-of-complications-following-posterior-vertebral-column-resection-for-the-treatment-of-severe-angular-kyphosis-greater-than-100%C3%A2
#20
Yunus Atici, Mehmet Bulent Balioglu, Deniz Kargin, Muhammed Mert, Akif Albayrak, Mehmet Akif Kaygusuz
OBJECTIVE: The aim of this study was to evaluate the complications, efficacy and safety of posterior vertebral column resection (PVCR) in severe angular kyphosis (SAK) greater than 100°. METHODS: The medical records of 17 patients (mean age 17.9 (range, 9-27) years) with SAK who underwent PVCR, were reviewed. Mean follow-up period was 32.2 (range, 24-64) months. Diagnosis of the patients included congenital kyphosis in 11 patients, post-tuberculosis kyphosis in 3 patients and neurofibromatosis in 3 patients...
May 16, 2017: Acta Orthopaedica et Traumatologica Turcica
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