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Posttraumatic osteoarthritis

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https://www.readbyqxmd.com/read/28638676/utilization-of-longitudinal-ultrasound-to-quantify-joint-soft-tissue-changes-in-a-mouse-model-of-posttraumatic-osteoarthritis
#1
Hao Xu, Echoe M Bouta, Ronald W Wood, Edward M Schwarz, Yongjun Wang, Lianping Xing
To assess the utility of longitudinal ultrasound (US) to quantify volumetric changes in joint soft tissues during the progression of posttraumatic osteoarthritis (PTOA) in mice, and validate the US results with histological findings. A longitudinal cohort of 3-month-old wild-type C57BL/6 male mice received the Hulth-Telhag surgical procedure on right knee to induce PTOA, and sham surgery on their left knee as control. US scans were performed on both knees before, 2, 4, 6, and 8 weeks post-surgery. Joint space volume and Power-Doppler (PD) volume were obtained from US images via Amira software...
2017: Bone Research
https://www.readbyqxmd.com/read/28634785/-imaging-and-preoperative-planning-for-osteotomies-around-the-knee
#2
REVIEW
D Pape, A Hoffmann, R Seil
Physiologic alignment of the human lower leg is well defined. The etiology for malalignment comprises constitutional, degenerative and posttraumatic conditions. Osteotomies around the knee can correct the malalignment, provided that the origin of deviation is in proximity of the knee center. Crucial factors for the evaluation of axis deviation are the weight-bearing line, the mechanical axes of femur and tibia, the joint line angles and the center of the hip, knee and upper ankle joint. Careful preoperative planning is mandatory for reproducible clinical results...
June 20, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28616779/-arthrodesis-of-the-distal-interphalangeal-joint-using-the-headless-compression-screw
#3
REVIEW
C K Spies, B Hohendorff, S Löw, L P Müller, J Oppermann, P Hahn, F Unglaub
OBJECTIVE: Arthrodesis of the distal interphalangeal joint of the fingers and interphalangeal joint of the thumb in order to gain reliable stability and function. INDICATIONS: Primary and secondary osteoarthritis, rheumatoid arthritis, defect lesions, septic joint destruction, posttraumatic joint deviation, fatal joint instability, fatal tendon lesions. CONTRAINDICATIONS: Persistent infections (empyema, osteomyelitis, phlegmon), deficient soft tissue mantle, bone/screw mismatch...
June 14, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28576192/subtalar-joint-arthrodesis-for-elective-and-posttraumatic-foot-and-ankle-deformities
#4
REVIEW
Lawrence A DiDomenico, Danielle N Butto
Subtalar joint arthrodesis is a procedure used in posttraumatic arthritis, osteoarthritis, tarsal coalition management, posterior tibial tendon dysfunction, and inflammatory arthropathies, and can be used in deformity correction. The goals of the procedure are to eliminate pain, improve function, restore stability, and realign the hind foot. The procedure has high patient satisfaction with low complications while preserving motion in adjacent tarsal joints. Joint preparation is important and time should be spent preparing the joint for successful arthrodesis and the fixation construct needs to be done well and effectively to provide a solid Arbeitsgemeinschaft für Osteosynthesefragen (AO) construct for good results...
July 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/28567152/a-complicated-course-of-a-coronal-shear-fracture-type-iv-of-the-distal-part-of-humerus-resulting-in-resurfacing-radiocapitellar-joint-replacement
#5
Ingo Schmidt
BACKGROUND: Coronal shear fracture type IV of the distal part of humerus is a very rare injury with articular complexity potentially leading to posttraumatic osteoarthritis. One option for surgical treatment of advanced unicompartmental radiocapitellar osteoarthritis is resurfacing radiocapitellar joint replacement. METHOD: A 62-year- old female sustained a coronal shear fracture type IV of the distal part of left humerus that was primarily treated with open reduction and internal fixation using headless compression screws...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28560133/arthroscopic-tarsometatarsal-arthrodesis
#6
Tun Hing Lui
Tarsometatarsal (Lisfranc) osteoarthritis can be a disabling condition and is commonly due to posttraumatic causes. Tarsometatarsal arthrodesis is indicated if the pain does not subdue with conservative treatment. Classically, this is performed as an open procedure. The purpose of this technical note is to describe a minimally invasive approach of arthroscopic arthrodesis of the involved tarsometatarsal joints. The arthroscopic procedure is performed through the junction portals of the involved articulation...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28544002/biological-effects-and-osteoarthritic-disease-modifying-activity-of-small-molecule-cm-01
#7
Yubo Sun, Andrea Roberts, David R Mauerhan, Edward N Hanley
Phosphocitrate inhibits cartilage degeneration, however, the prospect of phosphocitrate as an oral disease modifying drug might be limited. The purpose of this study was to investigate the biological effects and disease-modifying activity of a phosphocitrate "analog," CM-01 (Carolinas Molecule-01), and test the hypothesis that CM-01 is a disease modifying drug for osteoarthritis therapy. The effects of CM-01 on calcium crystal-induced expression of matrix metalloproteinase-1 and interleukin-1 beta, cell-mediated calcification and production of proteoglycan by chondrocytes were examined in cell cultures...
May 25, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28520463/a-preclinical-assessment-of-early-continuous-passive-motion-and-treadmill-therapeutic-exercises-for-generating-chondroprotective-effects-after-anterior-cruciate-ligament-rupture
#8
Nai-Jen Chang, Kuan-Wei Lee, Chih-Jou Chu, Ming-You Shie, Pei-Hsi Chou, Chih-Chan Lin, Peir-In Liang
BACKGROUND: Anterior cruciate ligament (ACL) injury is a well-known risk factor for the development of posttraumatic osteoarthritis (PTOA). However, whether using continuous passive motion (CPM) with or without additional treadmill exercise (TRE) in early ACL injury might provide chondroprotective effects and further decrease the risk of PTOA has yet to be determined. HYPOTHESIS: CPM may offer an enhanced chondroprotective effect, but TRE may attenuate that effect due to the mechanical stress on the joint and inflammatory cytokines in the joint...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28506841/definition-of-a-critical-size-osteochondral-knee-defect-and-its-negative-effect-on-the-surrounding-articular-cartilage-in-the-rat
#9
H Katagiri, L F Mendes, F P Luyten
BACKGROUND: Joint trauma is predisposing to the incidence of osteoarthritis (OA) of the knee. There is a limited knowledge on the impact of posttraumatic osteochondral defects on the whole joint. This study was designed to define a critical size osteochondral defect in the knee of rats and to investigate a possible association between osteochondral defects and degeneration of the surrounding joint surface. METHODS: Cylindrical osteochondral defects of different sizes were created in the knee joint of rats...
May 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28464756/increased-risk-of-early-and-medium-term-revision-after-post-fracture-total-knee-arthroplasty
#10
Anders El-Galaly, Steffen Haldrup, Alma Becic Pedersen, Andreas Kappel, Michael Ulrich Jensen, Poul Torben Nielsen
Background and purpose - Total knee arthroplasty (TKA) due to posttraumatic fracture osteoarthritis (PTFA) may be associated with inferior prosthesis survival. This study is the first registry-based study solely addressing this issue. Both indications and predictors for revision were identified. Patients and methods - 52,518 primary TKAs performed between 1997 and 2013 were retrieved from the Danish Knee Arthroplasty Register (DKR). 1,421 TKAs were inserted due to PTFA and 51,097 due to primary osteoarthritis (OA)...
June 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28451863/variations-in-knee-kinematics-after-acl-injury-and-after-reconstruction-are-correlated-with-bone-shape-differences
#11
Drew A Lansdown, Valentina Pedoia, Musa Zaid, Keiko Amano, Richard B Souza, Xiaojuan Li, C Benjamin Ma
BACKGROUND: The factors that contribute to the abnormal knee kinematics after anterior cruciate ligament (ACL) injury and ACL reconstruction remain unclear. Bone shape has been implicated in the development of hip and knee osteoarthritis, although there is little knowledge about the effects of bone shape on knee kinematics after ACL injury and after ACL reconstruction. QUESTIONS/QUESTIONS: (1) What is the relationship between bony morphology with alterations in knee kinematics after ACL injury? (2) Are baseline bone shape features related to abnormal knee kinematics at 12 months after ACL reconstruction? METHODS: Thirty-eight patients (29 ± 8 years, 21 men) were prospectively followed after acute ACL injury and before ligamentous reconstruction...
April 27, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28445369/a-systematic-review-of-different-implants-and-approaches-for-proximal-interphalangeal-joint-arthroplasty
#12
Michiro Yamamoto, Sunitha Malay, Yuki Fujihara, Lin Zhong, Kevin C Chung
BACKGROUND: Outcomes after implant arthroplasty for primary degenerative and posttraumatic osteoarthritis of the proximal interphalangeal joint were different according to the implant design and surgical approach. The purpose of this systematic review was to evaluate outcomes of various types of implant arthroplasty for proximal interphalangeal joint osteoarthritis, with an emphasis on different surgical approaches. METHODS: The authors searched all available literature in the PubMed and EMBASE databases for articles reporting on outcomes of implant arthroplasty for proximal interphalangeal joint osteoarthritis...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28442207/tibio-talo-calcaneal-fusion-after-limb-salvage-procedures-a-retrospective-study
#13
Lukas Zak, Gerald E Wozasek
BACKGROUND: The treatment of limb threatening trauma on the distal tibia or hindfoot often results in posttraumatic osteoarthritis requiring tibiotalocalcaneal (TTC) arthrodesis. The purpose of this study was to present a case series of patients undergoing various techniques of joint fusion after bone reconstruction and deformity correction as a salvage procedure. The study should help trauma surgeons making decisions in limb salvage and deformity correction in complex lower leg and foot injuries by presenting options and treatment strategies...
April 15, 2017: Injury
https://www.readbyqxmd.com/read/28441305/step-by-step-technique-for-segmental-reconstruction-of-reverse-hill-sachs-lesions-using-homologous-osteochondral-allograft
#14
Hassanin Alkaduhimi, Michel P J van den Bekerom, Derek F P van Deurzen
Posterior shoulder dislocations are accompanied by high forces and can result in an anteromedial humeral head impression fracture called a reverse Hill-Sachs lesion. This reverse Hill-Sachs lesion can result in serious complications including posttraumatic osteoarthritis, posterior dislocations, osteonecrosis, persistent joint stiffness, and loss of shoulder function. Treatment is challenging and depends on the amount of bone loss. Several techniques have been reported to describe the surgical treatment of lesions larger than 20%...
June 2017: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/28437503/subscapularis-tenotomy-versus-lesser-tuberosity-osteotomy-for-total-shoulder-arthroplasty-a-systematic-review
#15
Philip K Louie, David M Levy, Bernard R Bach, Gregory P Nicholson, Anthony A Romeo
Subscapularis tenotomy (ST) has been the standard method of mobilizing the subscapularis during the approach to a total shoulder arthroplasty (TSA). Recently, lesser tuberosity osteotomy (LTO), which avoids subscapularis complications, has gained in popularity. We performed a systematic review to elucidate any differences in clinical or radiographic outcomes between ST and LTO. Using PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, we identified clinical and/or radiographic TSA studies with minimum mean 2-year follow-up and level I to IV evidence...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28420082/can-early-rehabilitation-prevent-posttraumatic-osteoarthritis-in-the-patellofemoral-joint-after-anterior-cruciate-ligament-rupture-understanding-the-pathological-features
#16
Nai-Jen Chang, Ming-You Shie, Kuan-Wei Lee, Pei-Hsi Chou, Chih-Chan Lin, Chih-Jou Chu
Knee instability resulting from anterior cruciate ligament (ACL) rupture is a high-risk factor for posttraumatic osteoarthritis (PTOA) in the patellofemoral joint (PFJ). However, whether non-weight-bearing and weight-bearing treatments have chondroprotective effects remains unclear. Twenty-four adult New Zealand White male rabbits were employed in this study. All animals received ACL transection in the right knee and sham surgery in the left knee. The rabbits were randomly assigned to the following groups: (I) In the sedentary (SED) group, the rabbits (n = 6) were simply kept in their cage; (II) In the continuous passive motion (CPM) group, the rabbits (n = 6) performed CPM exercise for 7 days, starting from the first postoperative day; (III) In the active treadmill exercise (TRE) group, the rabbits (n = 6) performed TRE for 2 weeks; (IV) In the CPM + TRE group, the rabbits (n = 6) executed CPM exercise, followed by TRE...
April 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28388231/quadriceps-function-and-hamstrings-co-activation-after-anterior-cruciate-ligament-reconstruction
#17
Derek N Pamukoff, Brian G Pietrosimone, Eric D Ryan, Dustin R Lee, J Troy Blackburn
CONTEXT:   Individuals with anterior cruciate ligament reconstruction (ACLR) have quadriceps dysfunction that contributes to physical disability and posttraumatic knee osteoarthritis. Quadriceps function in the ACLR limb is commonly evaluated relative to the contralateral uninjured limb. Bilateral quadriceps dysfunction is common in individuals with ACLR, potentially biasing these evaluations. OBJECTIVE:   To compare quadriceps function between individuals with ACLR and uninjured control participants...
May 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28384173/daily-oral-consumption-of-hydrolyzed-type-1-collagen-is-chondroprotective-and-anti-inflammatory-in-murine-posttraumatic-osteoarthritis
#18
Qurratul-Ain Dar, Eric M Schott, Sarah E Catheline, Robert D Maynard, Zhaoyang Liu, Fadia Kamal, Christopher W Farnsworth, John P Ketz, Robert A Mooney, Matthew J Hilton, Jennifer H Jonason, Janne Prawitt, Michael J Zuscik
Osteoarthritis (OA) is a degenerative joint disease for which there are no disease modifying therapies. Thus, strategies that offer chondroprotective or regenerative capability represent a critical unmet need. Recently, oral consumption of a hydrolyzed type 1 collagen (hCol1) preparation has been reported to reduce pain in human OA and support a positive influence on chondrocyte function. To evaluate the tissue and cellular basis for these effects, we examined the impact of orally administered hCol1 in a model of posttraumatic OA (PTOA)...
2017: PloS One
https://www.readbyqxmd.com/read/28367692/operative-wound-complications-following-total-ankle-arthroplasty
#19
Christopher E Gross, Kamran S Hamid, Cynthia Green, Mark E Easley, James K DeOrio, James A Nunley
BACKGROUND: Wound complications following total ankle replacement (TAR) potentially lead to devastating consequences. The aim of this study was to compare the operative and demographic differences in patients with and without major wound problems which required operative management. We hypothesized that increased tourniquet and operative time would negatively influence wound healing. METHODS: We identified a consecutive series of 762 primary TARs performed between December 1999 and April 2014 whose data were prospectively collected...
April 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28355681/a-biomechanical-study-of-two-distinct-methods-of-anterior-cruciate-ligament-rupture-and-a-novel-surgical-reconstruction-technique-in-a-small-animal-model-of-posttraumatic-osteoarthritis
#20
Austin J Ramme, Matin S Lendhey, Eric J Strauss, Oran D Kennedy
Small animal models are critical for studies of sports-related knee injury and disease such as posttraumatic osteoarthritis (PTOA) following anterior cruciate ligament (ACL) rupture. In such models, ACL damage can be achieved by surgical transection or, using a more recent innovation, by noninvasive biomechanical means. Whether these approaches differentially alter normal mechanics is unknown. Furthermore, while surgical reconstruction of ruptured ACL can greatly improve joint stability, its effect on PTOA development is also unclear...
March 29, 2017: Journal of Knee Surgery
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