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Joint restriction

Harshadkumar A Patel, Rishi Kalra, John L Johnson, Samuel R Huntley, Eva J Lehtonen, Gerald McGwin, Sameer Naranje, Ashish Shah
INTRODUCTION: When conservative therapy for hallux rigidus fails, surgical options such as arthrodesis and interposition arthroplasty can be considered. Although arthrodesis of MTP joint is the gold standard treatment. However patients desiring MTP joint movement may opt for either interposition arthroplasty or implant arthroplasty to avoid the movement restrictions of arthrodesis. The purpose of this systematic review was to investigate clinical outcomes and complications following interposition arthroplasty for moderate to severe hallux rigidus, for patietns who would prefer to maintain range of motion in the MTP joint...
July 23, 2018: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
Stephen M Okajima, M Belen Cubria, Sharri J Mortensen, Juan C Villa-Camacho, Philip Hanna, Aron Lechtig, Miguel Perez-Viloria, Patrick Williamson, Mark W Grinstaff, Edward K Rodriguez, Ara Nazarian
This proposal aims to create an in vivo rat model of adhesive capsulitis for researching potential treatment options for this condition and other etiologies of comparable arthrofibrosis. The model includes extra-articular fixation of the shoulder in rats via scapular to humeral suturing, resulting in a secondary contracture without invading the intra-articular space and resulting in decreased rotational ROM and increased joint stiffness. We used 10 Sprague-Dawley rats for the purpose of this study. Baseline ROM measurements were taken before glenohumeral immobilization...
September 28, 2018: Journal of Visualized Experiments: JoVE
Yujia Chen, Mark A Anastasio
Edge illumination X-ray phase-contrast tomography (EIXPCT) is an emerging technique for estimating the complex-valued refractive index distribution of an imaged object. A conventional EIXPCT system requires measurement of multiple images at each tomographic view angle, leading to prolonged data acquisition times. Recently, a joint reconstruction (JR) method has been developed to enable single-shot EIXPCT imaging without restrictive assumptions related to the object, imaging geometry or hardware. In the JR method, estimates of the refractive index distribution are recast as the solution to a nonlinear optimization problem...
2018: Sensing and Imaging
Andrew Coutts, Timothy E Kilmartin
Dorsiflexory phalangeal osteotomy has been shown to be an effective treatment for mild to moderate hallux rigidus in short- to medium-term follow-up studies. It is speculated that the procedure alters the mechanical function of the joint and reduces the demand for hallux dorsiflexion by elevating the proximal phalanx into a more dorsiflexed position. However, it has been demonstrated that the first metatarsophalangeal (MTP) joint space and joint range of motion are reduced by the procedure, calling into question the long-term effectiveness of the operation...
October 10, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
Alexander SÁnchez-Ruiz, Antonio D Brescovit
The spider genus Nops MacLeay is revised, with redescriptions of 22 previously known species and descriptions of 12 new species. A new diagnosis for the genus is provided and keys to separate the species are proposed. After this revision Nops includes 34 extant species, thereof 15 (44%) occur in the Caribbean Islands, four (12%) in Central America and 15 (44%) in South America. Females of Nops meridionalis Keyserling and Nops gertschi Chickering are found and described for the first time. Three new synonymies are proposed: Nops virginicus Sánchez-Ruiz with Nops blandus Bryant, Nops craneae Chickering with Nops maculatus Simon and Nops proseni Birabén with Nops farhati Prosen...
June 1, 2018: Zootaxa
Mariana Del Grossi Moura, Luciane Cruz Lopes, Marcus Tolentino Silva, Sílvio Barberato-Filho, Rogério Heládio Lopes Motta, Cristiane de Cássia Bergamaschi
BACKGROUND: Rheumatoid arthritis affects 1% of the world's population and its current treatment options are costly. There are not enough studies that evaluated the efficacy and safety of anti-inflammatory drugs medications used to reduce rheumatoid arthritis's symptoms. This study will evaluate the effectiveness and the safety of steroid and nonsteroidal anti-inflammatory drugs for the treatment of patients with rheumatoid arthritis. METHODS: Randomized clinical trials eligible for our systematic review will enroll adults with rheumatoid arthritis treated with anti-inflammatory drugs compared with a control group (placebo or active control) at any dose, duration, and route of administration and double blind studies...
October 2018: Medicine (Baltimore)
Mingwei Dai, Xiang Wan, Hao Peng, Yao Wang, Yue Liu, Jin Liu, Zongben Xu, Can Yang
Motivation: A large number of recent genome-wide association studies (GWASs) for complex phenotypes confirm the early conjecture for polygenicity, suggesting the presence of large number of variants with only tiny or moderate effects. However, due to the limited sample size of a single GWAS, many associated genetic variants are too weak to achieve the genome-wide significance. These undiscovered variants further limit the prediction capability of GWAS. Restricted access to the individual-level data and the increasing availability of the published GWAS results motivate the development of methods integrating both the individual-level and summary-level data...
October 11, 2018: Bioinformatics
Brittany Mann, Allison H Gruber, Shane P Murphy, Carrie L Docherty
CONTEXT: The lateral ankle sprain is one of the most common lower extremity injuries in sports. Previous research has found that some prophylactic ankle supports reduce the risk of recurrent ankle sprains and provide extra support to the joint. However, there is a continued concern that these supports may negatively influence performance. OBJECTIVE: To determine if wearing an ankle brace influences athlete performance and ankle kinematics during functional performance tests (FPTs)...
October 9, 2018: Journal of Sport Rehabilitation
Manuel Gomes, Rosalba Radice, Jose Camarena Brenes, Giampiero Marra
Missing not at random (MNAR) data pose key challenges for statistical inference because the substantive model of interest is typically not identifiable without imposing further (eg, distributional) assumptions. Selection models have been routinely used for handling MNAR by jointly modeling the outcome and selection variables and typically assuming that these follow a bivariate normal distribution. Recent studies have advocated parametric selection approaches, for example, estimated by multiple imputation and maximum likelihood, that are more robust to departures from the normality assumption compared with those assuming that nonresponse and outcome are jointly normally distributed...
October 8, 2018: Statistics in Medicine
T D Ottesen, R P McLynn, A R Galivanche, P S Bagi, C K Zogg, L E Rubin, J N Grauer
AIMS: The aims of this study were to evaluate the incidence of postoperatively restricted weight-bearing and its association with outcome in patients who undergo surgery for a fracture of the hip. PATIENTS AND METHODS: Patient aged > 60 years undergoing surgery for a hip fracture were identified in the 2016 National Surgical Quality Improvement Program (NSQIP) Hip Fracture Targeted Procedure Dataset. Analysis of the effect of restricted weight-bearing on adverse events, delirium, infection, transfusion, length of stay, return to the operating theatre, readmission and mortality within 30 days postoperatively were assessed...
October 2018: Bone & Joint Journal
H Bao, Z Liu, M Bao, Z Zhu, P Yan, S Liu, Z Feng, B Qian, Y Qiu
AIMS: The aim of this study was to investigate the impact of maturity status at the time of surgery on final spinal height in patients with an adolescent idiopathic scoliosis (AIS) using the spine-pelvic index (SPI). The SPI is a self-control ratio that is independent of age and maturity status. PATIENTS AND METHODS: The study recruited 152 female patients with a Lenke 1 AIS. The additional inclusion criteria were a thoracic Cobb angle between 45° and 70°, Risser 0 to 1 or 3 to 4 at the time of surgery, and follow-up until 18 years of age or Risser stage 5...
October 2018: Bone & Joint Journal
Jacek A Kopec, Hong Qian, Jolanda Cibere, Hubert Wong, Linda C Li, Morgan Barber, Helen Prlic, Charlie Zhang, Charles Ratzlaff, Bruce B Forster, John M Esdaile
OBJECTIVES: Radiographic measurements of alpha angle and lateral centre edge (LCE) angle in the hip joint are important for the diagnosis of femoroacetabular syndrome, a potential risk factor for hip osteoarthritis. Our objective was to determine if these measurements are associated with hip-related patient-reported outcomes (PROs) in young and middle-aged individuals. Methods A stratified random sample of Caucasian men and women aged 20-49 years, with and without hip pain, was selected using random digit dialling from the population of Metro Vancouver, Canada...
October 8, 2018: Arthritis Care & Research
Fabiana Tolentino Almeida, Paul Major, Jacob L Jaremko, Lawrence H Le, Carlos Flores-Mir, Camila Pachêco-Pereira
OBJECTIVES: The purpose of this systematic review was to determine the diagnostic capability of Ultrasound (US) to assess TMJ alterations as disc displacement (DD), joint effusion (JE) and condylar changes (CC) using 3D imaging modalities as reference standard. METHODS: Studies were gathered by searching several electronic databases and partial grey literature up to January eighth, 2018 without restrictions of language and time. The risk of bias was evaluated using the second version of Quality Assessment Tool for Diagnostic of Accuracy Studies-2 (QUADAS-2)...
October 4, 2018: Dento Maxillo Facial Radiology
George F Lebus, Karen K Briggs, Grant J Dornan, Shannen McNamara, Marc J Philippon
BACKGROUND: Acetabular labral reconstruction has demonstrated good results for labral lesions not amenable to labral repair. PURPOSE: To determine the predictors of outcomes at a minimum 2 years after labral reconstruction. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Patients included in the study underwent labral reconstruction with a minimum 2-year follow-up. The primary outcome variable was the Hip Outcome Score-Activities of Daily Living (HOS-ADL)...
October 4, 2018: American Journal of Sports Medicine
Frédéric Noé, Xavier García-Massó, Damien Ledez, Thierry Paillard
OBJECTIVE: This study was undertaken in order to provide new insight into sensorimotor control of posture when wearing high-shaft (HS) boots as ski boots. BACKGROUND: Previous studies into the effects of HS boots on postural control have produced controversial results. Some studies reported postural control impairments with ski boots in bipedal postural tasks due to ankle movement restrictions without quantifying the actual restrictive effect of these boots and specifying the adaptations of the postural control system...
October 3, 2018: Human Factors
Hazibullah Waizy, Hans Polzer, Nils Schikora, Andreas Forth, Felix Becker, Chrisitina Stukenborg-Colsman, Daiwei Yao
OBJECTIVE: Brachymetatarsia is defined as the pathological shortening of a metatarsal bone, which can cause cosmetic problems and pain in the forefoot. The main surgical treatment options are: extension osteotomy, interposition of a bone graft, and callus distraction. Usually, a bone graft from the iliac crest is used for the interposition osteotomy. The operative technique of graft extraction from the fibula has not been described in the literature yet. METHODS: Eight feet with brachymetatarsia in 5 patients were evaluated retrospectively...
October 3, 2018: Foot & Ankle Specialist
Hui Taek Kim, Sung Min Hong, In Hee Kim
Background: Brachymetatarsia is usually treated by lengthening the metatarsals, but excessive lengthening can be associated with complications. Our technique combines 1-stage step-cut lengthening of the first metatarsal with shortening and/or lengthening of the neighboring metatarsals and/or phalanges. Methods: Twenty-four feet (15 patients) were treated for first-ray brachymetatarsia. Widely available commercial image-editing software was used to make a preoperative plan for each patient, with emphasis on the creation of a cosmetically satisfying toe-length arc with minimum shortening and lengthening of the affected metatarsals and proximal phalanges...
June 28, 2018: JB & JS open access
Peter S Vezeridis, Chad R Ishmael, Kristofer J Jones, Frank A Petrigliano
Dislocation arthropathy describes the development of progressive degenerative changes of the glenohumeral joint in the setting of instability. Although the specific etiology remains unclear, the trauma of a single dislocation, repetitive injury associated with recurrent dislocations, changes in shoulder biomechanics, and complications associated with instability surgery have all been implicated in its development. Pain and restricted range of motion are the most common patient complaints. Conservative management, consisting of pain control, activity modification, and physical therapy, is the first-line treatment after the development of arthropathy...
October 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
Torsten Witte
Rheumatoid arthritis (RA) is the most important chronic inflammatory joint disease with a prevalence of 1%. When untreated the disease leads to joint destruction and therefore to functional restrictions of the patients and also to increased rates of cardiovascular and malignant diseases. After the pathophysiology of rheumatoid arthritis was better understood, in the last 20 years biologics could be developed, which are directed against targets involved in the inflammatory process in RA. Since then the remission rates of RA have substantially increased...
October 1, 2018: Der Internist
Ricardo J Andrade, Sandro R Freitas, François Hug, Guillaume Le Sant, Lilian Lacourpaille, Raphäel Gross, Peter McNair, Antoine Nordez
It is a long held belief that maximal joint range of motion (ROM) is restricted by muscle tension. However, it exists indirect evidence suggesting that this assumption may not hold true for some joint configurations where non-muscular structures, such as the peripheral nerves, are stretched. Direct evidences are lacking. This study aimed to determine whether a static stretching aiming to load the sciatic nerve without stretch within plantar flexors is effective to: (i) alter nerve stiffness; and (ii) increase the ankle's maximal ROM...
September 28, 2018: Scientific Reports
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