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Knee stiffness

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https://www.readbyqxmd.com/read/27919511/metaphyseal-locking-plate-as-an-external-fixator-for-open-tibial-fracture-clinical-outcomes-and-biomechanical-assessment
#1
Ching-Hou Ma, Chin-Hsien Wu, Jiun-Ru Jiang, Yuan-Kun Tu, Ting-Sheng Lin
OBJECTIVE: This study aimed to evaluate the outcome of using a metaphyseal locking plate as a definitive external fixator for treating open tibial fractures based on biomechanical experiments and analysis of clinical results. METHODS: A metaphyseal locking plate was used as an external fixator in 54 open tibial fractures in 52 patients. The mean follow-up was 38 months (range, 20-52 months). Moreover, static axial compression and torsional tests were performed to evaluate the strength of the fixation techniques...
November 29, 2016: Injury
https://www.readbyqxmd.com/read/27915405/long-term-functional-outcomes-and-knee-alignment-of-computer-assisted-navigated-total-knee-arthroplasty
#2
V Sardana, J M Burzynski, M Khan, N Stone, B S Weening, P K Zalzal
INTRODUCTION: This retrospective study examined the relationship between the mechanical axis throughout a functional arc of motion and functional outcome scores in patients undergoing computer-assisted navigation-based total knee arthroplasty (CAN-TKA) at 6-year follow-up. MATERIALS AND METHODS: The Stryker eNact Precision Knee Navigation System was utilized to obtain pre- and postoperative alignment measurements throughout the functional arc of motion. Patients were contacted via telephone and asked to complete the Short Form-12 and Western Ontario and McMaster Universities, which have been demonstrated to be reliable, valid, and sensitive assessment tools in this patient population...
December 3, 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27912940/panax-ginseng-and-salvia-miltiorrhiza-supplementation-during-eccentric-resistance-training-in-middle-aged-and-older-adults-a-double-blind-randomized-control-trial
#3
Hsin-Fu Lin, Chun-Chung Chou, Hsiao-Han Chao, Hirofumi Tanaka
BACKGROUND: Muscle damage induced by an acute bout of eccentric exercise results in transient arterial stiffening. In this study, we sought to determine the effects of progressive eccentric resistance exercise training on vascular functions, and whether herb supplementation would enhance training adaptation by ameliorating the arterial stiffening effects. METHODS: By using a double-blinded randomized placebo-controlled design, older adults were randomly assigned to either the Panax ginseng and Salvia miltiorrhiza supplementation group (N=12) or the placebo group (N=11)...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27909124/predicting-dissatisfaction-following-total-knee-arthroplasty-in-patients-under-55-years-of-age
#4
C E H Scott, W M Oliver, D MacDonald, F A Wade, M Moran, S J Breusch
AIMS: Risk of revision following total knee arthroplasty (TKA) is higher in patients under 55 years, but little data are reported regarding non-revision outcomes. This study aims to identify predictors of dissatisfaction in these patients. PATIENTS AND METHODS: We prospectively assessed 177 TKAs (157 consecutive patients, 99 women, mean age 50 years; 17 to 54) from 2008 to 2013. Age, gender, implant, indication, body mass index (BMI), social deprivation, range of movement, Kellgren-Lawrence (KL) grade of osteoarthritis (OA) and prior knee surgery were recorded...
December 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27904997/pleiotrophin-the-angiogenic-and-mitogenic-growth-factor-levels-in-serum-and-synovial-fluid-in-rheumatoid-arthritis-and-osteoarthritis-and-correlation-with-clinical-laboratory-and-radiological-indices
#5
S M H Fadda, I H Bassyouni, R H Khalifa, N Y Elsaid
BACKGROUND: Few studies have reported a possible involvement of pleiotrophin (PTN) in the pathophysiology of osteoarthritis (OA) and very little is known about its role in rheumatoid arthritis (RA). This study is to measure PTN in the sera and synovial fluids in RA and OA and to assess its relation to activity, functional class and radiological staging. SUBJECTS AND METHODS: Serum and synovial fluid samples were collected from 35 RA patients and 40 knee OA patients and serum samples were withdrawn from 20 healthy controls...
November 30, 2016: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/27900192/vertical-stiffness-is-not-related-to-anterior-cruciate-ligament-elongation-in-professional-rugby-union-players
#6
Benjamin G Serpell, Jennie M Scarvell, Mark R Pickering, Nick B Ball, Diana Perriman, John Warmenhoven, Paul N Smith
BACKGROUND: Novel research surrounding anterior cruciate ligament (ACL) injury is necessary because ACL injury rates have remained unchanged for several decades. An area of ACL risk mitigation which has not been well researched relates to vertical stiffness. The relationship between increased vertical stiffness and increased ground reaction force suggests that vertical stiffness may be related to ACL injury risk. However, given that increased dynamic knee joint stability has been shown to be associated with vertical stiffness, it is possible that modification of vertical stiffness could help to protect against injury...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27895439/comparison-of-two-different-molecular-weight-intra-articular-injections-of-hyaluronic-acid-for-the-treatment-of-knee-osteoarthritis
#7
I Gigis, E Fotiadis, A Nenopoulos, K Tsitas, I Hatzokos
BACKGROUND: Knee osteoarthritis (OA) is an incurable joint disorder, representing a major public health issue. Among options for symptom control, viscosupplementation with hyaluronic acid (HA) had established usefulness in pain and function improvement of the knee. However, it is not clear which form of HA yields better results. MATERIAL AND METHODS: We compared two HA preparations with high (HMW) or low molecular weight (LMW) in terms of pain control and function improvement using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) and the visual analog scale (VAS) score in patients with knee OA...
January 2016: Hippokratia
https://www.readbyqxmd.com/read/27894176/complications-and-short-term-outcomes-of-medial-opening-wedge-high-tibial-osteotomy-using-a-locking-plate-for-medial-osteoarthritis-of-the-knee
#8
Seung-Suk Seo, Ok-Gul Kim, Jin-Hyeok Seo, Do-Hoon Kim, Youn-Gu Kim, In-Seung Lee
Purpose: The purpose of this study was to investigate complications and radiologic and clinical outcomes of medial opening wedge high tibial osteotomy (MOWHTO) using a locking plate. Materials and Methods: This study reviewed 167 patients who were treated with MOWHTO using a locking plate from May 2012 to June 2014. Patients without complications were classified into group 1 and those with complications into group 2. Medical records, operative notes, and radiographs were retrospectively reviewed to identify complications...
December 1, 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27890337/a-double-button-adjustable-loop-device-is-biomechanically-equivalent-to-tension-band-wire-in-the-fixation-of-transverse-patellar-fractures-a-cadaveric-study
#9
Fucai Han, Christopher Jon Pearce, David Q K Ng, Amit K Ramruttun, Desmond Y R Chong, Diarmuid Murphy, Chin Tat Lim, Bernard C S Lee
INTRODUCTION: Tension-band wire fixation of patellar fractures is associated with significant hardware-related complications and infection. Braided polyester suture fixation is an alternative option. However, these suture fixations have higher failure rates due to the difficulty in achieving rigid suture knot fixation. The Arthrex syndesmotic TightRope, which is a double-button adjustable loop fixation device utilizing a 4-point locking system using FibreWire, may not only offer stiff rigid fixation using a knotless system, but may also obviate the need for implant removal due to hardware related problems...
November 17, 2016: Injury
https://www.readbyqxmd.com/read/27867137/minimally-invasive-internal-fixation-of-distal-femur-fractures
#10
REVIEW
Guy Piétu, Mathieu Ehlinger
Fractures of the distal femur remain a daunting challenge. Since 1970, operative treatment has been recommended. Unfortunately it is fraught with complications, and techniques have been developed to limit incidence of non-union, infection and stiffness. A soft-tissue friendly approach is the key point, with minimally invasive surgery as the ultimate goal: its biological and anatomical advantages have; been demonstrated, but clinical studies have been less convincing, being based on historical series. At present, retrograde nailing and minimally invasive percutaneous plate osteosynthesis (ideally by locking plate) are the two main techniques...
November 17, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27861523/knee-moment-angle-characteristics-and-semitendinosus-muscle-morphology-in-children-with-spastic-paresis-selected-for-medial-hamstring-lengthening
#11
Helga Haberfehlner, Richard T Jaspers, Erich Rutz, Jules G Becher, Jaap Harlaar, Johannes A van der Sluijs, Melinda M Witbreuk, Jacqueline Romkes, Marie Freslier, Reinald Brunner, Huub Maas, Annemieke I Buizer
To increase knee range of motion and improve gait in children with spastic paresis (SP), the semitendinosus muscle (ST) amongst other hamstring muscles is frequently lengthened by surgery, but with variable success. Little is known about how the pre-surgical mechanical and morphological characteristics of ST muscle differ between children with SP and typically developing children (TD). The aims of this study were to assess (1) how knee moment-angle characteristics and ST morphology in children with SP selected for medial hamstring lengthening differ from TD children, as well as (2) how knee moment-angle characteristics and ST morphology are related...
2016: PloS One
https://www.readbyqxmd.com/read/27856105/weakening-iliopsoas-muscle-in-healthy-adults-may-induce-stiff-knee-pattern
#12
N Ekin Akalan, Shavkat Kuchimov, Adnan Apti, Yener Temelli, Anand Nene
OBJECTIVE: The goal of the present study was to investigate the relationship between iliopsoas muscle group weakness and related hip joint velocity reduction and stiff-knee gait (SKG) during walking in healthy individuals. METHODS: A load of 5% of each individual's body weight was placed on non-dominant thigh of 15 neurologically intact, able-bodied participants (average age: 22.4 ± 0.81 years). For 33 min (135 s × 13 repetitions × 5 s rest), a passive stretch (PS) was applied with the load in place until hip flexor muscle strength dropped from 5/5 to 3+/5 according to manual muscle test...
November 14, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27852532/are-physiotherapists-adhering-to-quality-indicators-for-the-management-of-knee-osteoarthritis-an-observational-study
#13
David Spitaels, Rosella Hermens, Dieter Van Assche, Sabine Verschueren, Frank Luyten, Patrik Vankrunkelsven
BACKGROUND: Osteoarthritis (OA) is a common musculoskeletal condition that often leads to pain, stiffness and disability. Physiotherapy plays an important role in the management of knee OA, however we hypothesize discordance between physiotherapists' practice and existing guideline recommendations. OBJECTIVES: This study aimed to measure physiotherapists' guideline adherence for knee OA. Additionally, determinants for guideline adherence at the professional and organizational level were explored, to find clues for improvement...
October 26, 2016: Manual Therapy
https://www.readbyqxmd.com/read/27851679/telephone-follow-up-by-nurse-after-total-knee-arthroplasty-results-of-a-randomized-clinical-trial
#14
Kirsten Szöts, Hanne Konradsen, Søren Solgaard, Birte Østergaard
BACKGROUND/PURPOSE: Because of shorter hospitalizations, patients now have to take responsibility for their recovery period at a very early stage. We evaluated the effects of structured, nurse-managed telephone follow-up (TFU) after discharge from the hospital following total knee arthroplasty (TKA). METHOD/DESIGN: The design was a single-center, unblinded, parallel-group randomized clinical trial. The primary outcome was self-reported physical function according to the Western Ontario and McMaster Universities Osteoarthritis (WOMAC) Index...
November 2016: Orthopaedic Nursing
https://www.readbyqxmd.com/read/27848271/improvement-in-condition-specific-and-generic-quality-of-life-outcomes-in-patients-with-knee-osteoarthritis-following-synvisc-one-results-from-the-lobras-study
#15
P Kearey, A E Popple, J Warren, T Davis, N Bellamy
OBJECTIVE: To evaluate the effectiveness of viscosupplementation with Synvisc-One in knee Osteoarthritis (OA), during routine clinical care, in a 52 week observational study. RESEARCH DESIGN AND METHODS: The LOBRAS study involved a one year long, multi-centre, quasi-experimental, repeated measures, observational study. Consenting patients in Australia fulfilling inclusion/exclusion criteria under the care of a medical specialist in routine clinical practice were enrolled...
November 16, 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/27847857/complicated-congenital-dislocation-of-the-knee-a-case-report
#16
Firooz Madadi, Mohammad A Tahririan, Mohsen Karami, Firoozeh Madadi
Congenital dislocation of the knee (CDK) is a rare disorder. We report the case of a 7-year-old girl with bilateral knee stiffness, marked anterior bowing of both legs, and inability to walk without aid. Radiologic investigation revealed bilateral knee joint dislocation accompanied by severe anterior bowing of both tibia proximally and posterior bowing of both femur distally, demonstrating a complicated congenital knee dislocation. Two-staged open reduction with proximal tibial osteotomy was performed to align the reduced knee joints...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27830283/association-between-anteroposterior-laxity-in-mid-range-flexion-and-subjective-healing-of%C3%A2-instability-after-total-knee-arthroplasty
#17
Tomoharu Mochizuki, Osamu Tanifuji, Takashi Sato, Hiroki Hijikata, Hiroshi Koga, Satoshi Watanabe, Yukimasa Higano, Akihiro Ariumi, Takayuki Murayama, Hiroshi Yamagiwa, Naoto Endo
PURPOSE: Flexion instability following total knee arthroplasty (TKA) is a common indication of early revision. The association between the objective anteroposterior (AP) laxity direction in mid-range flexion and the subjective healing of instability remains unclear; thus, this study aimed to clarify this association. METHODS: In this study, 110 knees (74 females, 92 knees; 16 males, 18 knees) with medial pivot implants were examined with a median age of 79 (range 60-92) years for a median follow-up duration of 22 (range 6-125) months...
November 9, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27815014/rotating-platform-versus-fixed-bearing-total-knee-arthroplasty-at-mid-term-follow-up
#18
J Ryan Martin, Taylor R Beahrs, Keith A Fehring, Robert T Trousdale
BACKGROUND: Rotating platform posterior stabilized (RP) total knee arthroplasty (TKA) was initially developed in part to decrease polyethylene wear and to improve patellar tracking. There have been limited studies evaluating the longevity and causes of reoperation or revision for this implant. The following study compares mid-term survival rates and causes for reoperation between fixed bearing (FB) TKAs. METHODS: We identified 11,416 patients who underwent a primary posterior stabilized TKA between 2001 and 2013...
December 2016: Knee
https://www.readbyqxmd.com/read/27813019/knee-donor-site-morbidity-after-mosaicplasty-a-systematic-review
#19
REVIEW
Renato Andrade, Sebastiano Vasta, Rogério Pereira, Hélder Pereira, Rocco Papalia, Mustafa Karahan, J Miguel Oliveira, Rui L Reis, João Espregueira-Mendes
BACKGROUND: Mosaicplasty has been associated with good short- to long-term results. Nevertheless, the osteochondral harvesting is restricted to the donor-site area available and it may lead to significant donor-site morbidity. PURPOSE: Provide an overview of donor-site morbidity associated with harvesting of osteochondral plugs from the knee joint in mosaicplasty procedure. METHODS: Comprehensive search using Pubmed, Cochrane Library, SPORTDiscus and CINAHL databases was carried out through 10(th) October of 2016...
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/27806033/an-open-label-six-month-extension-study-to-investigate-the-safety-and-efficacy-of-an-extract-of-artemisia-annua-for-managing-pain-stiffness-and-functional-limitation-associated-with-osteoarthritis-of-the-hip-and-knee
#20
Sheena Hunt, Simon Stebbings, Debra McNamara
AIMS: This six-month single-centre open-label extension study, conducted at the University of Otago, Dunedin, follows from a previously published 12-week pilot double-blind randomised placebo-controlled study of dietary supplement, Arthrem® (ART) in patients with osteoarthritis (OA) of the hip or knee. The pilot double-blind study showed that treatment with ART 150 mg twice-daily was associated with clinically relevant pain reduction. The extension study aims were to assess longer-term safety and efficacy during six months' treatment following the pilot trial...
October 28, 2016: New Zealand Medical Journal
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