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ARTHROFIBROSIS

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https://www.readbyqxmd.com/read/28167142/molecular-landscape-of-arthrofibrosis-microarray-and-bioinformatic-analysis-of-the-temporal-expression-of-380-genes-during-contracture-genesis
#1
Mark E Morrey, Matthew P Abdel, Scott M Riester, Amel Dudakovic, Andre J van Wijnen, Bernard F Morrey, Joaquin Sanchez-Sotelo
PURPOSE: Inflammatory changes are suspected in the pathophysiology of arthrofibrosis formation and require early molecular examination.Here, we assessed the hypothesis that early inflammatory genes are related to arthrofibrosis by ascertaining gene expression during the early stages of contracture genesis in an animal model. METHODS: Joint trauma was incited surgically in a cohort of rabbits (n=36) knees followed by immobilization in a model of contracture.Six groups of 6 rabbits were sacrificed at multiple time points (0, 6, 12, 24, 72h and 2weeks)...
February 3, 2017: Gene
https://www.readbyqxmd.com/read/28149741/arthroscopic-release-of-lateral-half-of-the-talocalcaneonavicular-joint
#2
Tun Hing Lui
Arthrofibrosis of the talocalcaneonavicular joint can follow trauma or surgery of the joint. Arthroscopic release of the lateral half of the talocalcaneonavicular joint is indicated if the painful restriction of hindfoot inversion together with tenderness of the lateral side of the joint that is not controlled with conservative treatment. This procedure is contraindicated in other causes of painful stiffness including post-traumatic arthritis, osteonecrosis, and malunion. This technique includes arthroscopic release of the lateral side of the anterior subtalar joint and the talonavicular joint...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28116554/patient-perceptions-regarding-physician-reimbursements-wait-times-and-out-of-pocket-payments-for-anterior-cruciate-ligament-reconstruction-in-ontario
#3
Muzammil Memon, Lydia Ginsberg, Darren de Sa, Andrew Nashed, Nicole Simunovic, Mark Phillips, Matthew Denkers, Rick Ogilvie, Devin Peterson, Olufemi R Ayeni
BACKGROUND: Currently, there is a lack of knowledge regarding patient perceptions surrounding physician reimbursements, appropriate wait times, and out-of-pocket payment options for anterior cruciate ligament reconstruction (ACLR). Our objective was to determine the current state of these perceptions in an Ontario setting. METHODS: A survey was developed and pretested to address patient perceptions about physician reimbursements, appropriate wait times, and out-of-pocket payment options for ACLR using a focus group of experts and by reviewing prior surveys...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28112787/posterior-cortical-axis-a-new-landmark-to-control-femoral-component-rotation-in-total-knee-arthroplasty
#4
Doerte Matziolis, Marius Meiser, Norbert Sieber, Ulf Teichgräber, Georg Matziolis
Rotation errors of the femoral component are held responsible for occurrences such as instability in flexion and midflexion, patellar maltracking, and arthrofibrosis following total knee arthroplasty. However, in many cases, the epicondylar axis cannot be reliably identified due to bone defects or metal artifacts on computed tomography, so alternative landmarks are necessary to evaluate the femoral component rotation. The current study sought to determine the relationship of the posterior cortical bone and the anterior cortical bone in relation to the epicondylar axis...
January 20, 2017: Orthopedics
https://www.readbyqxmd.com/read/28109758/the-use-of-electronic-sensor-device-to-augment-ligament-balancing-leads-to-a-lower-rate-of-arthrofibrosis-after-total-knee-arthroplasty
#5
Jeffrey A Geller, Akshay Lakra, Taylor Murtaugh
BACKGROUND: Total knee arthroplasty (TKA) is a highly successful surgery shown to improve quality of life. One of the more common known complications of TKA is early arthrofibrosis requiring manipulation under anesthesia (MUA). This investigation evaluates the incidence of arthrofibrosis before and after the implementation of an electronic sensor device used to assist with ligament balancing. METHODS: Six hundred ninety TKAs performed without sensor use were compared to a cohort of 252 TKAs performed with sensor usage...
December 24, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28042750/pseudo-aneurysm-a-rare-complication-of-ankle-arthroscopy
#6
Mathew Davis, David Brooks, William Bryceson
A 53-year-old woman underwent arthroscopic ankle debridement for posttraumatic arthrofibrosis 2 years following a bimalleolar ankle fracture. Twelve months postarthroscopy, the patient returned to physical therapy with a 2-week history of pain and prominent swelling to her anterior ankle. Urgent follow-up was arranged with an orthopaedic surgeon, who ordered a radiograph and magnetic resonance imaging, which demonstrated a large heterogeneous mass. Doppler ultrasound was also ordered and confirmed the mass to be a pseudo-aneurysm of the anterior tibial artery...
January 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27984847/intraarticular-administration-of-tranexamic-acid-is-safe-and-effective-in-total-knee-arthroplasty-patients-at-high-risk-for-thromboembolism
#7
Ronald E Delanois, Chukwuweike Gwam, Jaydev B Mistry, Morad Chughtai, Melbin Thomas, Prathik P Mudaliar, Anton Khlopas, Vidur Tangri, Michael A Mont
INTRODUCTION: Tranexamic acid (TXA) is an antifibrinolytic agent that can be used to reduce blood loss in total knee arthroplasty (TKA) patients. Due to its thrombogenic properties, intravenous (IV) TXA is contraindicated in patients who have an increased risk of arterial or venous thrombosis. For such patients, intraarticular (IA) TXA may be a safe alternative. In this study, we compare: 1) complication rates; 2) intraoperative blood loss; and 3) need for transfusion in TKA patients who received IA TXA versus patients who used IV TXA...
December 16, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27789072/long-term-results-of-arthroscopic-arthrolysis-for-arthrofibrosis-after-anterior-cruciate-ligament-reconstruction
#8
Hermann O Mayr, Christian M Brandt, Thomas Weig, Manuel Koehne, Anke Bernstein, Norbert P Suedkamp, Robert Hube, Amelie Stoehr
PURPOSE: The current study was conducted to evaluate the long-term clinical and radiological outcomes after arthroscopic arthrolysis for arthrofibrosis after anterior cruciate ligament reconstruction (ACLR). METHODS: All patients treated with arthrolysis between 1990 and 1998 were included. Indication was arthrofibrosis in at least one knee compartment or a cyclops syndrome limiting range of motion (ROM) by > 5° of extension deficit and 15° of flexion deficit...
February 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27780349/early-experience-with-vitamin-e-antioxidant-infused-highly-cross-linked-polyethylene-inserts-in-primary-total-knee-arthroplasty
#9
Emilie M Flament, Keith R Berend, Jason M Hurst, Michael J Morris, Joanne B Adams, Adolph V Lombardi
BACKGROUND: In past decades, polyethylene wear was a major cause of failure in total knee arthroplasty (TKA). Polyethylene for use in arthroplasty has been vastly improved in recent years, with improved materials as well as manufacturing and sterilization processes. Testing has shown that infusion of vitamin E prevents oxidative degradation of polyethylene without remelting, allowing the material to maintain mechanical properties and wear resistance over time. The purpose of this study is to review the early result of patients undergoing primary TKA with vitamin E antioxidant-infused polyethylene inserts...
October 26, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27704689/connective-tissue-growth-factor-ctgf-ccn2-in-haemophilic-arthropathy-and-arthrofibrosis-a-histological-analysis
#10
J Jiang, N L Leong, U Khalique, T M Phan, K M Lyons, J V Luck
INTRODUCTION: Joint haemorrhage is the principal clinical manifestation of haemophilia frequently leading to advanced arthropathy and arthrofibrosis, resulting in severe disability. The degree and prevalence of arthrofibrosis in hemophilic arthropathy is more severe than in other forms of arthropathy. Expression of connective tissue growth factor (CTGF) has been linked to many fibrotic diseases, but has not been studied in the context of haemophilic arthropathy. AIM: We aim to compare synovial tissues histologically from haemophilia and osteoarthritis patients with advanced arthropathy in order to compare expression of proteins that are possibly aetiologic in the development of arthrofibrosis...
November 2016: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/27673559/safety-of-intra-articular-implantation-of-oligo-poly-ethylene-glycol-fumarate-scaffolds-into-the-rabbit-knee
#11
Timothy J Ewald, Justin A Walker, Eric A Lewallen, William H Trousdale, Michael J Yaszemski, Arlen D Hanssen, Bernard F Morrey, Andre J van Wijnen, Joaquin Sanchez-Sotelo, Mark E Morrey, Matthew P Abdel
Implantable biomaterials supporting extended release of pharmacologic agents may permit localized intra-articular delivery of drugs that modulate the fibrotic response to injuries and surgery. Oligo[poly (ethylene glycol)] fumarate (OPF) is an attractive organic carrier, but its safety profile within synovial joints remains unclear. Here, we assessed the safety of OPF sponges using a validated in vivo model of knee arthrofibrosis. A cohort of 102 rabbits was divided into five groups: arthrotomy only (24), arthrotomy with OPF scaffold placement (24), surgically induced contracture (24), surgically induced contracture with OPF scaffold placement (24), and control without any surgical intervention (6)...
October 2016: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/27660599/sonographic-and-magnetic-resonance-imaging-examination-of-a-cyclops-lesion-after-anterior-cruciate-ligament-reconstruction-a-case-report
#12
Stacey M Cornelson, Alicia M Yochum, Norman W Kettner
OBJECTIVE: This case report describes magnetic resonance imaging (MRI) and diagnostic ultrasound (US) findings for a patient with arthrofibrosis related to a complication of anterior cruciate ligament (ACL) reconstruction. CLINICAL FEATURES: A 25-year old man presented with right knee pain and loss of extension 5 years after ACL reconstruction. MRI and sonographic examination revealed a soft tissue mass anterolateral to the ACL graft consistent with a cyclops lesion...
September 2016: Journal of Chiropractic Medicine
https://www.readbyqxmd.com/read/27599435/imaging-of-common-arthroscopic-pathology-of-the-ankle
#13
REVIEW
Sean T Grambart
Arthroscopy of the ankle is used in the treatment and diagnosis of a spectrum of intra-articular pathology including soft tissue and osseous impingement, osteochondral lesions, arthrofibrosis, and synovitis. To help identify the correct pathology, imaging techniques are often used to aid the surgeon in diagnosing pathology and determining best treatment options. This article discusses the use of imaging in various ankle pathologies.
October 2016: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/27592373/neer-award-2016-outpatient-total-shoulder-arthroplasty-in-an-ambulatory-surgery-center-is-a-safe-alternative-to-inpatient-total-shoulder-arthroplasty-in-a-hospital-a-matched-cohort-study
#14
Tyler J Brolin, Ryan P Mulligan, Frederick M Azar, Thomas W Throckmorton
BACKGROUND: Recent emphasis on safe and efficient delivery of high-quality health care has increased interest in outpatient total joint arthroplasty. The purpose of this study was to evaluate the safety of outpatient total shoulder arthroplasty (TSA) by comparing episode-of-care complications in matched cohorts of patients with anatomic TSA as an outpatient or inpatient procedure. METHODS: Thirty patients with outpatient TSA at a freestanding ambulatory surgery center (ASC) were compared with an age- and comorbidities-matched cohort of 30 patients with traditional inpatient TSA to evaluate 90-day episode-of-care complications, including hospital admissions or readmissions and reoperations...
February 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27590642/does-the-utilization-of-allograft-tissue-in-medial-patellofemoral-ligament-reconstruction-in-pediatric-and-adolescent-patients-restore-patellar-stability
#15
Eric Hohn, Nirav K Pandya
BACKGROUND: Medial patellofemoral ligament (MPFL) reconstruction is one of several surgical procedures used to treat patellofemoral instability. Use of allograft tissue can preserve autogenous tissue and may be preferable in patients with connective tissue disorders or ligamentous laxity. Although there are successful reports in adults, it is unclear if the use of allograft tissue in MPFL reconstruction can restore patellofemoral stability in children and adolescents. QUESTIONS/PURPOSES: (1) Does allograft tissue in MPFL reconstruction in pediatric and adolescent patients restore patellar stability? (2) What complications were associated with allograft MPFL reconstructions in children and adolescents? METHODS: Between June 2012 and August 2015, one surgeon (NKP) performed 26 MPFL reconstructions in 23 patients with gracilis allograft for traumatic patellar instability...
September 2, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27554778/effect-of-hypoglycemia-on-the-incidence-of-revision-in-total-knee-arthroplasty
#16
Martin W Roche, Tsun Yee Law, Jacob J Triplet, Zachary S Hubbard, Jennifer Kurowicki, Sam Rosas
BACKGROUND: It is well established that diabetic patients undergoing total knee arthroplasty (TKA) are more susceptible to infection, problematic wound healing, and overall higher complication rates. However, a paucity in current literature exists. The purpose of this study was to determine the effect of hypoglycemia on TKA revision (rTKA) incidence by analyzing a national private payer database for procedures performed between 2007 and 2015 Q1 Q2. METHODS: A retrospective review of a national private payer database within the PearlDiver Supercomputer application for patients undergoing TKA with blood glucose levels from 20 to 219 mg/mL, in 10-mg/mL increments, was conducted...
July 25, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27450741/bioabsorbable-versus-metallic-interference-screws-for-graft-fixation-in-anterior-cruciate-ligament-reconstruction
#17
REVIEW
Pedro Debieux, Carlos E S Franciozi, Mário Lenza, Marcel Jun Tamaoki, Robert A Magnussen, Flávio Faloppa, João Carlos Belloti
BACKGROUND: Anterior cruciate ligament (ACL) tears are frequently treated with surgical reconstruction with grafts, frequently patella tendon or hamstrings. Interference screws are often used to secure the graft in bone tunnels in the femur and tibia. This review examines whether bioabsorbable interference screws give better results than metal interference screws when used for graft fixation in ACL reconstruction. OBJECTIVES: To assess the effects (benefits and harms) of bioabsorbable versus metallic interference screws for graft fixation in ACL reconstruction...
July 24, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27435334/acute-mcl-and-acl-injuries-first-results-of-minimal-invasive-mcl-ligament-bracing-with-combined-acl-single-bundle-reconstruction
#18
A Ateschrang, S Döbele, T Freude, U Stöckle, S Schröter, T M Kraus
BACKGROUND: There is an on-going discussion whether to operatively treat combined grade II and III lesions of the medial collateral ligament (MCL) with anterior cruciate ligament (ACL) in the acute phase rather than conservative treatment of the MCL lesion with a delayed unitary ACL replacement. Another issue is the question how to technically address these MCL lesions. The aim of this study was, therefore, to analyze the results of simultaneous ACL replacement (hamstrings) in a single-bundle technique with a simultaneous MCL ligament bracing procedure...
September 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27423809/a-mini-invasive-procedure-for-treating-arthrofibrosis-of-the-knee
#19
Huan Xu, Jinhe Ying
OBJECTIVE: The aim of this study was to introduce the results of a novel mini-invasive operative technique comprising mini-incision release, "pie-crusting" lengthening of the quadriceps extensor, and arthroscopic lysis in severe arthrofibrotic knees. METHODS: From 2010 to 2014, 17 patients (12 males and 5 females with a mean age of 44 years (range, 19-62 years)) with severely arthrofibrotic knees were treated with this operative technique. The mean follow-up duration was 23 months...
August 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27346423/a-mini-invasive-technique-for-severe-arthrofibrosis-of-the-knee-a-technical-note
#20
Ping Shang, Hai-Xiao Liu, Yu Zhang, En-Xing Xue, Xiao-Yun Pan
PURPOSE: In this article, a mini-invasive technique is described, which consists of arthroscopic adhesiolysis and quadriceps pie-crusting lengthening basing on pre-operative sonographic examination. Sonographic diagnostic value of quadriceps tendon fibrosis is also evaluated. METHODS: Pre-operative sonographic examination was performed to make an accurate location diagnosis of quadriceps fibrosis. After arthroscopic adhesiolysis, percutaneous pie-crusting release was performed basing on preoperative sonographic examination...
August 2016: Injury
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