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Knee pain prevalence

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https://www.readbyqxmd.com/read/29454594/low-magnesium-intake-is-associated-with-increased-knee-pain-in-subjects-with-radiographic-knee-osteoarthritis-data-from-the-osteoarthritis-initiative
#1
Anna Shmagel, Naoko Onizuka, Lisa Langsetmo, Tien Vo, Robert Foley, Kristine Ensrud, Peter Valen
OBJECTIVE: As magnesium mediates bone and muscle metabolism, inflammation, and pain signaling, we aimed to evaluate whether magnesium intake is associated with knee pain and function in radiographic knee osteoarthritis. METHODS: We investigated the associations between knee pain/function metrics and magnesium intake from food and supplements in 2548 Osteoarthritis Initiative cohort participants with prevalent radiographic knee OA (Kellgren-Lawrence score ≥2). Magnesium intake was assessed by Food Frequency Questionnaire at baseline...
February 15, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29426005/harmonising-measures-of-knee-and-hip-osteoarthritis-in-population-based-cohort-studies-an-international-study
#2
K M Leyland, L S Gates, M Nevitt, D Felson, S M Bierma-Zeinstra, P G Conaghan, L Engebretsen, M Hochberg, D J Hunter, G Jones, J M Jordan, A Judge, L S Lohmander, E M Roos, M T Sanchez-Santos, N Yoshimura, J B J van Meurs, M E Batt, J Newton, C Cooper, N K Arden
OBJECTIVE: Population-based osteoarthritis (OA) cohorts provide vital data on risk factors and outcomes of OA, however the methods to define OA vary between cohorts. We aimed to provide recommendations for combining knee and hip OA data in extant and future population cohort studies, in order to facilitate informative individual participant level analyses. METHOD: International OA experts met to make recommendations on: 1) defining OA by x-ray and/or pain; 2) compare The National Health and Nutrition Examination Survey (NHANES)-type OA pain questions; 3) the comparability of the Western Ontario & McMaster Universities Osteoarthritis Index (WOMAC) scale to NHANES-type OA pain questions; 4) the best radiographic scoring method; 5) the usefulness of other OA outcome measures...
February 6, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29423946/is-stiffness-related-to-athletic-groin-pain
#3
S Gore, A Franklyn-Miller, C Richter, E C Falvey, E King, K Moran
Athletic groin pain (AGP) is a common injury prevalent in field sports. One biomechanical measure that may be of importance for injury risk is stiffness. To date however, stiffness has not been examined in AGP. The primary aim was to determine if AGP affects vertical and joint stiffness and if so, whether successful rehabilitation is associated with a change in stiffness. Sixty-five male patients with AGP and fifty male controls were recruited to this study. Assessment included a biomechanical examination of stiffness during a lateral hurdle hop test...
February 9, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29421838/knee-pain-and-the-use-of-various-types-of-footwear-a-review
#4
Morad Chugthai, Jared M Newman, Samuel Akil, Anton Khlopas, Assem A Sultan, Nipun Sodhi, Anil Bhave, Steven F Harwin, Michael A Mont
Knee pain is a highly prevalent condition in the United States with multiple etiologies, with two of the most common sources being osteoarthritis (OA) and patellofemoral pain (PFP). These conditions can lead to reduced physical function and a poor quality of life. Various modalities have been used to decrease the amount of knee pain that individuals' experience; however, they are not always successful and can be expensive. Several studies have reported on specialized footwear for symptomatic alleviation of conditions that affect the knee, this is because it has been theorized that certain footwear can alter the forces placed by muscles on lower-extremity joints, and can potentially alleviate pain by reducing the load placed on the joint...
February 8, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29420154/hip-position-and-sex-differences-in-motor-unit-firing-patterns-of-the-vastus-medialis-and-vastus-medialis-oblique-in-healthy-individuals
#5
Yi-Ling Peng, Matthew S Tenan, Lisa Griffin
Weakness of the vastus medialis oblique (VMO) has been proposed to explain the high prevalence of knee pain in females. Clinicians commonly use exercises in an attempt to preferentially activate the VMO. Recently, our group found evidence to support clinical theory that the VMO is neurologically distinct from the vastus medialis (VM). However, the ability to voluntarily activate these muscle sub-sections is still disputed. The aim of this study was to determine if VM and VMO activation varies between sexes and if control of the two muscles is different between rehabilitation exercises...
February 8, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29416861/prevalence-and-management-of-intrathecal-morphine-induced-pruritus-in-new-zealand-m%C3%A4-ori-healthcare-recipients
#6
Jennifer M Woods, Anecita Gigi Lim
Aims and objectives: The aim of this article was to determine whether the incidence of intrathecal morphine-induced pruritus (ITMI) was influenced by ethnicity, age or gender in relation to orthopaedic versus caesarean surgeries. Background: The use of intrathecal morphine for patients undergoing total hip and knee joint replacements and for lower segment caesarean sections (LSCS) has gained popularity worldwide since its introduction over 30 years ago. Several international studies show that morphine delivered via the intrathecal route is an effective and safe method of pain relief...
February 2018: British Journal of Pain
https://www.readbyqxmd.com/read/29405173/prevalence-of-musculoskeletal-disorders-in-subjects-not-exposed-to-biomechanical-overload
#7
Giulia Stucchi, Silvia Cairoli, Rossana Crapanzano, Stefano Basilico, Giuseppe Leocata, Natale Battevi
BACKGROUND: Data on the prevalence of work-related musculoskeletal disorders (WMSDs) in groups of unexposed subjects may serve for comparison in studies on risk/damage in groups of exposed subjects and for the planning of preventive interventions. OBJECTIVES: To assess the musculoskeletal health status in a group of working subjects not exposed to biomechanical overload. METHODS: Medical histories were collected by occupational health physicians as part of an active health surveillance program...
February 1, 2018: La Medicina del Lavoro
https://www.readbyqxmd.com/read/29358690/radiographic-knee-osteoarthritis-and-knee-pain-cross-sectional-study-from-five-different-racial-ethnic-populations
#8
Ke Wang, Hyun A Kim, David T Felson, Ling Xu, Dong H Kim, Michael C Nevitt, Noriko Yoshimura, Hiroshi Kawaguchi, Jianhao Lin, Xiaozheng Kang, Yuqing Zhang
The weak correlation between pain and structural changes in knee osteoarthritis is widely reported. In a previous within-person, knee-matched case-control study among Caucasians, the severity of radiographic osteoarthritis (ROA) was strongly associated with both the presence of frequent knee pain and pain severity. We studied the association between ROA and knee pain in five racial/ethnic populations by using the same method. Subjects were selected from China; Japan; Korea and the United States. Among subjects with knees discordant for either frequent knee pain or pain severity, we examined the relationship between ROA and the presence of frequent knee pain using conditional logistic regression, and between ROA and pain severity using a stratified proportional odds model with an amalgamating conditional likelihood...
January 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351822/influence-of-obstructive-sleep-apnea-in-the-functional-aspects-of-patients-with-osteoarthritis
#9
Andressa Silva, Marco Túlio Mello, Paula Regina Serrão, Roberta Pitta Luz, Franciele Ruiz, Lia Rita Bittencourt, Sergio Tufik, Stela Márcia Mattiello
STUDY OBJECTIVES: It has been demonstrated in recent studies that obstructive sleep apnea (OSA) is the most prevalent sleep disorder in patients with osteoarthritis (OA), and thus the current study aimed to investigate the influence of OSA on knee extensor torque, pain, stiffness, and physical function in men with low-grade knee OA. METHODS: The study included 60 male volunteers, aged 40 to 70 years, allocated into four groups: Group 1 (G1) Control (n = 15): without OA and without OSA; Group 2 (G2) (n = 15): with OA and without OSA; Group 3 (G3) (n = 15): without OA and with OSA; and Group 4 (G4) (n = 15) with OA and with OSA...
January 16, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29349985/-risk-factors-analysis-for-low-back-pain-in-patients-with-multiple-sclerosis
#10
Meng-Qi Na, Shan Deng, Xian-Lei Yan, Yu-Lin Wang
OBJECTIVE: To investigate musculoskeletal disorders and risk factors of low back pain in multiple sclerosis (MS) patients. METHODS: In this study, patients in our hospital with confirmed MS with an expanded disabilitystatus scale (EDSS) score between 4 to 7 were selected. Data of MS history, pain, musculoskeletal disorders, muscle strength and spasticity in lower limbs were collected. RESULTS: Among 190 patients, there were 61 males and 129 females, with an average age of(54...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29342063/low-prevalence-of-hip-and-knee-arthritis-in-active-marathon-runners
#11
Danielle Y Ponzio, Usman Ali M Syed, Kelly Purcell, Alexus M Cooper, Mitchell Maltenfort, Julie Shaner, Antonia F Chen
BACKGROUND: Existing evidence on whether marathon running contributes to hip and knee arthritis is inconclusive. Our aim was to describe hip and knee health in active marathon runners, including the prevalence of pain, arthritis, and arthroplasty, and associated risk factors. METHODS: A hip and knee health survey was distributed internationally to marathon runners. Active marathoners who completed ≥5 marathons and were currently running a minimum of 10 miles per week were included (n = 675)...
January 17, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29333118/the-relationship-between-chondromalacia-patella-medial-meniscal-tear-and-medial-periarticular-bursitis-in-patients-with-osteoarthritis
#12
Mustafa Resorlu, Davut Doner, Ozan Karatag, Canan Akgun Toprak
Background: This study investigated the presence of bursitis in the medial compartment of the knee (pes anserine, semimembranosus-tibial collateral ligament, and medial collateral ligament bursa) in osteoarthritis, chondromalacia patella and medial meniscal tears. Patients and methods: Radiological findings of 100 patients undergoing magnetic resonance imaging with a preliminary diagnosis of knee pain were retrospectively evaluated by two radiologists. The first radiologist assessed all patients in terms of osteoarthritis, chondromalacia patella and medial meniscal tear...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29329669/prevalence-and-predictors-of-symptom-resolution-and-functional-restoration-in-the-index-knee-following-knee-arthroplasty-a-longitudinal-study
#13
Daniel L Riddle
OBJECTIVES: To determine the prevalence of a one- to two-year postsurgical pain-free state and pain plus symptom-free state as well as function restoration following knee arthroplasty (KA). A second purpose was to identify predictors of these outcomes. DESIGN: An inception cohort from the Osteoarthritis Initiative (OAI) dataset, a nine-year NIH funded cohort study of persons with or at high risk for knee osteoarthritis was studied. SETTING: Subjects were recruited from the communities of four sites in the Midwest, Eastern and Southeastern United States...
January 9, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29325537/factors-associated-with-the-prevalence-of-back-pain-and-work-absence-in-shipyard-workers
#14
Seiji Watanabe, Toshiaki Takahashi, Jun Takeba, Hiromasa Miura
BACKGROUND: We conducted a questionnaire survey of shipyard workers to identify difficulties experienced due to orthopedic or musculoskeletal disorders. METHODS: The subjects were 375 workers (male, 361; female, 14) who worked for a single shipbuilding company. Questionnaire items covered the working environment, including work environment, working posture, and the weight of objects that the subject dealt with, as well as physical and lifestyle characteristics, namely smoking habits, drinking habits, sleeping hours, medications, exercise habits, and any weight gain of 20 kg or more since the age of 20...
January 11, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29324820/incidence-and-prevalence-of-patellofemoral-pain-a-systematic-review-and-meta-analysis
#15
Benjamin E Smith, James Selfe, Damian Thacker, Paul Hendrick, Marcus Bateman, Fiona Moffatt, Michael Skovdal Rathleff, Toby O Smith, Pip Logan
BACKGROUND: Patellofemoral pain is considered one of the most common forms of knee pain, affecting adults, adolescents, and physically active populations. Inconsistencies in reported incidence and prevalence exist and in relation to the allocation of healthcare and research funding, there is a clear need to accurately understand the epidemiology of patellofemoral pain. METHODS: An electronic database search was conducted, as well as grey literature databases, from inception to June 2017...
2018: PloS One
https://www.readbyqxmd.com/read/29299471/outcomes-of-a-newer-generation-cementless-total-knee-arthroplasty-design-in-patients-less-than-50-years-of-age
#16
Michael A Mont, Chukwuweike Gwam, Jared M Newman, Morad Chughtai, Anton Khlopas, Prem N Ramkumar, Steven F Harwin
Background: Younger patients undergoing cemented total knee arthroplasty (TKA) may be at risk for lower implant survivorship and higher revision rates due to the historical increased prevalence of aseptic loosening and instability in this cohort. The recent advances of cementless TKAs may mitigate some of these complications. However, there is a paucity of studies reporting on patients who are under 50 years who have undergone a cementless TKA. Therefore, this study evaluated: (I) implant survivorship; (II) functional outcomes and complications; and (III) radiographic outcomes in patients who were less than 50 years of age and underwent cementless TKA...
December 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29284995/prevalence-of-musculoskeletal-disorders-among-dentists-in-iran-a-systematic-review
#17
Narges Sadat Shams-Hosseini, Tahereh Vahdati, Zeinab Mohammadzadeh, Ali Yeganeh, Somayeh Davoodi
Introduction: Musculoskeletal disorders (MSD) have become significant problems for all health care workers especially dentists. This systematic review provides prevalence of MSD in dentists of Iran. Material and Methods: In this study all published literatures about MSD in Iranian dentists were selected without any time limits or other restrictions. However, it was found that the studies about MSD among Iranian dentist are very low. Results: The results of literatures investigations show that the prevalence was between 0...
December 2017: Materia Socio-medica
https://www.readbyqxmd.com/read/29284943/comparative-evaluation-of-dental-and-skeletal-fluorosis-in-an-endemic-fluorosed-district-salem-tamil-nadu
#18
Maya Ramesh, N Malathi, K Ramesh, Rita Mary Aruna, Sarah Kuruvilla
Background: High levels of fluoride in the drinking water, especially ground water, results in skeletal fluorosis which involves the bone and major joints. This study was conducted to assess the prevalence of skeletal fluorosis to compare with dental fluorosis in an endemically fluorosed population in the District of Salem, Tamil Nadu. Materials and Methods: Institutional ethical clearance was obtained. A total of 206 patients who reported to the Department of Hematology for blood investigations were the participants in this study...
November 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29284243/lower-extremity-and-spine-pain-in-cyclists
#19
Sylwia Ewa Piotrowska, Marian Majchrzycki, Piotr Rogala, Martyna Mazurek-Sitarz
INTRODUCTION: The number of cyclists increases each year. Some people treat cycling as a passion and practice it at every possible occasion, while for others it is a mean of transport or a form of relaxation at the weekend. However, very few people realize that cycling can also have a negative impact on their health. OBJECTIVE: To assess the prevalence of lower extremity and spine pain in cyclists, and evaluate the influence of various factors causing it. MATERIAL AND METHODS: The study was performed on 167 subjects during amateur cycling competitions in the Greater Poland and Kuyavian-Pomeranian Provinces...
December 23, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/29276039/diagnosis-and-treatment-of-osteochondritis-dissecans-of-the-humeral-capitellum
#20
Masahiro Maruyama, Masatoshi Takahara, Hiroshi Satake
Osteochondritis dissecans (OCD) of the humeral capitellum is a critical elbow injury in adolescent overhead throwing athletes. However, its etiology remains unknown. Medical examinations using ultrasonography found that the prevalence of capitellar OCD among adolescent baseball players was approximately from 1% to 3%. A plain anteroposterior radiograph with the elbow in 45° of flexion is essential for the diagnosis of an OCD lesion. The stability of OCD lesions is evaluated on plain radiographs, computed tomography, and magnetic resonance imaging (MRI)...
December 21, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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