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https://www.readbyqxmd.com/read/28345409/osteoarthritis-in-football
#1
Gian M Salzmann, Stefan Preiss, Marcy Zenobi-Wong, Laurent P Harder, Dirk Maier, Jirí Dvorák
Football is currently the most popular sporting activity in the world. Multiple reports have shown that a high incidence of osteoarthritis is found in football players. Evidence clearly shows that traumatic injury significantly predisposes players for such pathophysiology. Injuries are frequent in amateur as well as professional football players, with knee and ankle accounting for the most severe injuries. Many professional athletes lose playing time due to injuries and many are forced into early retirement...
April 2017: Cartilage
https://www.readbyqxmd.com/read/28344755/effect-of-topical-application-of-nigella-sativa-oil-and-oral-acetaminophen-on-pain-in-elderly-with-knee-osteoarthritis-a-crossover-clinical-trial
#2
Akram Kooshki, Reza Forouzan, Mohammad Hassan Rakhshani, Maryam Mohammadi
BACKGROUND: Limited evidence supports Nigella sativa's role as an effective complementary and alternative medicine and the anti-inflammatory effects of Nigella sativa on patients with allergic rhinitis. OBJECTIVE: The aim of this study was to investigate the effect of topical application of Nigella sativa oil and oral acetaminophen on pain in the elderly with knee osteoarthritis residing in a parents' home in Sabzevar. METHODS: This study is done as a crossover clinical trial...
November 2016: Electronic Physician
https://www.readbyqxmd.com/read/28341493/procalcitonin-as-a-biomarker-for-predicting-amputation-level-in-lower-extremity-infections
#3
Matthew M Reiner, Wissam E Khoury, Michael B Canales, Richard A Chmielewski, Kartick Patel, Mark C Razzante, Coleman O Cloughtery, Douglas Y Rowland
Inflammatory markers are essential tools in the decision-making process for lower extremity infections. When coupled with objective findings, clinicians can more accurately diagnose and treat these entities. Typically, markers such as the white blood cell count, erythrocyte sedimentation rate, and C-reactive protein are used to initially assess these patients or monitor the progression of medical or surgical therapy. Procalcitonin is a newer inflammatory marker that is specific for an infectious process. Originally, procalcitonin was used to monitor antibiotic therapy and sepsis for patients in the intensive care setting, but it has now been expanded to other facets of medicine...
March 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28337656/what-factors-are-associated-with-femoral-component-internal-rotation-in-tka-using-the-gap-balancing-technique
#4
Seung-Yup Lee, Hong-Chul Lim, Ki-Mo Jang, Ji-Hoon Bae
BACKGROUND: When using the gap-balancing technique for TKA, excessive medial release and varus proximal tibial resection can be associated with internal rotation of the femoral component. Previous studies have evaluated the causes of femoral component rotational alignment with a separate factor analysis using unadjusted statistical methods, which might result in treatment effects being attributed to confounding variables. QUESTIONS/PURPOSES: (1) What pre- and intraoperative factors are associated with internal rotation of the femoral component in TKA using the gap balancing technique? (2) To what degree does femoral component rotation as defined by the navigation system differ from rotation as measured by postoperative CT? METHODS: Three hundred seventy-seven knees that underwent computer-assisted primary TKA attributable to degenerative osteoarthritis with varus or mild valgus alignment in which medial soft tissue release was performed, and those with preoperative radiographs including preoperative CT between October 2007 and June 2014 were included in the study...
March 23, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28296659/modified-ponseti-technique-for-management-of-neglected-clubfeet
#5
Anil Mehtani, Jatin Prakash, Vipul Vijay, Nishikant Kumar, Abhinav Sinha
Achieving adequate dorsiflexion in neglected clubfoot cases remains challenging. On a close observation of the Ponseti method, we have now made certain modifications from the standard Ponseti protocol. This has helped us improve functional results, as well as reduce the number of casts in this walking-age group. From March 2011 onward, we managed 62 neglected clubfeet in 41 patients with the modified protocol. All these patients were treated with serial weekly above-knee casts. The feet were assessed by Dimeglio and Pirani scorings, which were done every week...
March 14, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28294398/functional-properties-of-native-and-tissue-engineered-cartilage-toward-understanding-the-pathogenesis-of-chondral-lesions-at-the-knee-a-bovine-cadaveric-study
#6
Nikolaos K Paschos, Nikita Lim, Jerry C Hu, Kyriacos A Athanasiou
Chondral lesions frequently occur in different topographic locations of the knee. This study evaluated the functional properties among the articulating surfaces of the tibiofemoral and patellofemoral joints, and whether neo-cartilage engineered using chondrocytes from different knee locations would reflect these differences. The biomechanical properties of bovine cartilage isolated from eight locations within the tibiofemoral (medial & lateral condyle, medial & lateral tibial plateau) and patellofemoral joints (medial & lateral trochlea, medial & lateral patella) were examined...
March 10, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28291452/slack-reducing-band-improves-combat-application-tourniquet-pressure-profile-and-hemorrhage-control-rate
#7
Dean Nachman, Avi Benov, Amiram Shovali, Yavnai Nirit, Roy Nadler, Yitzhak Avraham, Elon Glassberg
BACKGROUND: The Combat Application Tourniquet (CAT) is the tourniquet of choice in the Israeli defense forces. Applying the device loosely before windlass twisting is a main pitfall in CAT application. This study objective is to assess the effectiveness of a novel design modification of the CAT, aiming to prevent loose applications, by minimizing the slack. METHODS: Using the HapMed leg tourniquet trainer, an above the knee traumatic amputation was simulated. Active duty combatants and Special Forces basic medics were randomly assigned to apply the modified (n = 67) or conventional CAT (n = 65) once...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28288331/within-assessor-reliability-and-minimal-detectable-change-of-gait-kinematics-in-a-young-obese-demographic
#8
Brian Horsak, Barbara Pobatschnig, Arnold Baca, Susanne Greber-Platzer, Alexandra Kreissl, Stefan Nehrer, Barbara Wondrasch, Richard Crevenna, Mohammad Keilani, Andreas Kranzl
INTRODUCTION: Three-dimensional gait analysis (3DGA) in obese populations is a difficult task due to a great amount of subcutaneous fat. This makes it more challenging to identify anatomical landmarks, thus leading to inconsistent marker placement. Therefore, the purpose of this study was to investigate the test-retest reliability for kinematic measurements of obese children and adolescents. METHODS: Nine males and two females with an age-based BMI above the 97th percentile (age: 14...
March 2, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28284885/predictors-of-recanalization-for-incompetent-great-saphenous-veins-treated-with-cyanoacrylate-glue
#9
Yiu Che Chan, Yuk Law, Grace C Cheung, Stephen W Cheng
PURPOSE: To determine predictors of recanalization in patients treated with endovenous cyanoacrylate. METHODS: Follow-up by serial clinical and duplex examinations was performed at 1 week, 1 month, 6 months, 12 months, and 24 months of 108 legs in 55 patients (21 men, median age 65 y) with primary varicose veins treated with endovenous cyanoacrylate. Cox regression analysis was used to examine venous characteristics before the procedure: diameter of great saphenous vein (GSV), treatment length of GSV, presence of incompetent perforators, clinical severity of varicose vein, and experience of operator as predictors of recanalization...
March 8, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28280845/-function-of-prosthesis-components-in-lower-limb-amputees-with-bone-anchored-percutaneous-implants-biomechanical-aspects
#10
S Blumentritt
BACKGROUND: Bone anchorage of an artificial limb has been proven to be an alternative intervention for amputees when prosthesis use is seriously reduced because of stump problems. Little is known about how prosthesis components interact with bone and joints and which potential the optimum use provides with respect to quality of treatment of leg amputees. OBJECTIVE: Does osseointegration influence the motor activity of residual limbs differently compared with socket prostheses? How should prosthesis components be aligned? What type of prosthetic knee joints should be preferred in transfemoral amputees? MATERIAL AND METHODS: Transfer of biomechanical knowledge of socket prosthetics to bone-anchored prostheses...
March 9, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28277696/morning-self-efficacy-predicts-physical-activity-throughout-the-day-in-knee-osteoarthritis
#11
Ruixue Zhaoyang, Lynn M Martire, Martin J Sliwinski
OBJECTIVE: The purpose of this study was to examine the within-day and cross-day prospective effects of knee osteoarthritis (OA) patients' self-efficacy to engage in physical activity despite the pain on their subsequent physical activity assessed objectively in their natural environment. METHOD: Over 22 days, 135 older adults with knee OA reported their morning self-efficacy for being physically active throughout the day using a handheld computer and wore an accelerometer to measure moderate activity and steps...
March 9, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28277434/age-interactions-on-pain-sensitization-in-patients-with-severe-knee-osteoarthritis-and-controls
#12
Kristian Kjær Petersen, Lars Arendt-Nielsen, Sara Finocchietti, Rogerio Pessoto Hirata, Ole Simonsen, Mogens Berg Laursen, Thomas Graven-Nielsen
OBJECTIVES: Widespread pressure hyperalgesia, facilitated temporal summation of pain (TSP), and impaired conditioned pain modulation (CPM) have been found in knee osteoarthritis (KOA) patients compared with controls and these parameters have further been suggested to be altered in the elderly. This study investigated the influence of age on pressure hyperalgesia, TSP, and CPM in patients with KOA and controls. METHODS: One-hundred-thirty-three severe KOA patients and 50 age and sex-matched asymptomatic controls were assessed by cuff algometry and handheld pressure algometry...
March 8, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28269409/does-the-impedance-of-above-knee-powered-prostheses-need-to-be-adjusted-for-load-carrying-conditions
#13
Andrea Brandt, Ming Liu, He Helen Huang
Powered knee prostheses provide substantial advantages for amputees compared to traditional passive devices during basic walking tasks (i.e. level-ground, stairs, ramps), but the impedance control parameters are fixed. For environments that differ from the well-controlled setting of the clinic, amputees must compensate their gait patterns because fixed control parameters ideal for walking on level ground in the clinic do not meet real-life task demands. Load carriage is one instance where fixed control parameters may lead to undesired gait patterns and potentially result in injury...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269400/effect-of-environmental-factors-on-level-of-trip-disturbance-a-simulation-study
#14
Ming Liu, Peter Bohlen, He Helen Huang
Above knee amputees exhibit a higher risk of falling than able-bodied people, so the capacity to recover from trips (a major cause of unintentional falls) is critical for these amputees to prevent fall-related injuries. Although trip recovery approaches using powered prostheses have been proposed, the effectiveness of these approaches has not been evaluated with varied trip-related disturbance levels. Here, we conducted a simulation study to understand the relationship between trip-related disturbance levels and environmental factors...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28259710/no-beneficial-effect-of-bracing-after-anterior-cruciate-ligament-reconstruction-in-a-cohort-of-969-athletes-followed-in-rehabilitation
#15
P Bordes, E Laboute, A Bertolotti, J F Dalmay, P Puig, P Trouve, E Verhaegue, P A Joseph, P Dehail, M De Seze
OBJECTIVE: Compare the clinical outcomes of different knee braces in the early phase of rehabilitation after anterior cruciate ligament reconstruction (ACLR) in athletes. MATERIALS AND METHODS: We conducted a retrospective database study of athletes during early rehabilitation in a tertiary referral hospital between 1 February 2008 and 30 October 2010 after ACLR using bone patellar tendon bone (BPTB) or hamstring autograft. Differences in mid-patellar knee circumference, pain, and range of motion were assessed at admission...
March 1, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28259377/intra-pelvic-pressure-changes-after-pelvic-fracture-a-cadaveric-study-quantifying-the-effect-of-a-pelvic-binder-and-limb-bandaging-over-a-bolster
#16
Rhys Morris, Andrew Loftus, Yasmin Friedmann, Paul Parker, Ian Pallister
INTRODUCTION: Unstable pelvic fractures can be life-threatening due to catastrophic haemorrhage. Non-invasive methods of reducing and stabilising these injuries include pelvic binder application and also lower limb bandaging over a knee-flexion bolster. Both of these methods help close the pelvic ring and should tamponade bleeding. This study aimed to quantify the intra-pelvic pressure changes that occurred with 3 different manoeuvres: lower limb bandaging over a bolster; a Trauma Pelvic Orthotic Device (T-POD) pelvic binder, and a combination of both...
February 2, 2017: Injury
https://www.readbyqxmd.com/read/28258824/above-knee-prosthesis-design-based-on-fatigue-life-using-finite-element-method-and-design-of-experiment
#17
Suwattanarwong Phanphet, Surangsee Dechjarern, Sermkiat Jomjanyong
The main objective of this work is to improve the standard of the existing design of knee prosthesis developed by Thailand's Prostheses Foundation of Her Royal Highness The Princess Mother. The experimental structural tests, based on the ISO 10328, of the existing design showed that a few components failed due to fatigue under normal cyclic loading below the required number of cycles. The finite element (FE) simulations of structural tests on the knee prosthesis were carried out. Fatigue life predictions of knee component materials were modeled based on the Morrow's approach...
February 28, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28252470/asymmetries-identified-in-sit-to-stand-task-explain-physical-function-after-hip-fracture
#18
Robert A Briggs, Jeff R Houck, Micah J Drummond, Julie M Fritz, Paul C LaStayo, Robin L Marcus
BACKGROUND: Several known demographic and functional characteristics combine to predict physical function after hip fracture. Long-term weight-bearing asymmetries, evident during functional movements after hip fracture, contribute to limited mobility and large asymmetries in muscle function are linked to a high rate of injurious falls. Although postfracture mobility is commonly measured as whole body movement, a force-plate imbedded chair can identify individual limb contributions to an important task like moving from a sitting to standing position...
March 1, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28252351/patellar-reconstruction-following-previous-patellectomy-a-review-of-the-literature-and-a-case-series-using-distal-femoral-autograft-during-total-knee-arthroplasty
#19
D A George, A Dosani, R Morgan-Jones
During total knee arthroplasty, the reconstruction of the patella following a previous patellectomy is challenging, and is undertaken to improve functional outcomes and patient satisfaction. In this case series, we have reconstructed the patella using a femoral condyle resected during total knee arthroplasty. The resected femoral condyle with best available bone stock is selected and secured to the extensor mechanism. We reviewed the preoperative indications and postoperative outcomes of two patients who underwent the above procedure at our Institute, and compared this to the literature...
March 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28250143/the-effect-of-widespread-pain-on-knee-pain-worsening-incident-knee-osteoarthritis-oa-and-incident-knee-pain-the-multicenter-oa-most-study
#20
Lisa C Carlesso, Jingbo Niu, Neil A Segal, Laura A Frey-Law, Cora E Lewis, Michael C Nevitt, Tuhina Neogi
OBJECTIVE: Whether widespread pain (WSP) affects the risk of developing knee pain or knee osteoarthritis (OA) is unknown and could enhance understanding of pain mechanisms in OA. METHODS: Subjects from the Multicenter OA (MOST) study, a US National Institutes of Health-funded prospective cohort of older adults with or at risk of knee OA, were characterized regarding WSP, defined as pain above and below the waist on both sides of the body and axially using a standard homunculus, excluding knee pain at 60 months (baseline)...
March 1, 2017: Journal of Rheumatology
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