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Posterior knee pain

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https://www.readbyqxmd.com/read/28339477/six-degree-of-freedom-knee-joint-kinematics-in-obese-individuals-with-knee-pain-during-gait
#1
Jing-Sheng Li, Tsung-Yuan Tsai, David T Felson, Guoan Li, Cara L Lewis
Knee joint pain is a common symptom in obese individuals and walking is often prescribed as part of management programs. Past studies in obese individuals have focused on standing alignment and kinematics in the sagittal and coronal planes. Investigation of 6 degree-of-freedom (6DOF) knee joint kinematics during standing and gait is important to thoroughly understand knee function in obese individuals with knee pain. This study aimed to investigate the 6DOF knee joint kinematics in standing and during gait in obese patients using a validated fluoroscopic imaging system...
2017: PloS One
https://www.readbyqxmd.com/read/28337656/what-factors-are-associated-with-femoral-component-internal-rotation-in-tka-using-the-gap-balancing-technique
#2
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/28330756/femoral-articular-geometry-and-patellofemoral-stability
#3
Farhad Iranpour, Azhar M Merican, Seow Hui Teo, Justin P Cobb, Andrew A Amis
BACKGROUND: Patellofemoral instability is a major cause of anterior knee pain. The aim of this study was to examine how the medial and lateral stability of the patellofemoral joint in the normal knee changes with knee flexion and measure its relationship to differences in femoral trochlear geometry. METHODS: Twelve fresh-frozen cadaveric knees were used. Five components of the quadriceps and the iliotibial band were loaded physiologically with 175N and 30N, respectively...
March 19, 2017: Knee
https://www.readbyqxmd.com/read/28326427/posterior-stabilized-total-knee-arthroplasty-a-matched-pair-analysis-of-a-classic-and-its-evolutional-design
#4
Pier Francesco Indelli, Gennaro Pipino, Paul Johnson, Angelo Graceffa, Massimiliano Marcucci
BACKGROUND: Total knee arthroplasty (TKA) designs continue to be modified to optimize patient's outcome. This study was designed to compare clinical and radiological results of classic worldwide used TKA posterior-stabilized (PS) design to those of its recent evolution. METHODS: A consecutive group of 100 patients undergoing TKA using a classic cemented fixed-bearing PS TKA system was matched by age, gender, body max index to 100 patients having the newer cemented fixed-bearing PS design, both by the same manufacturer...
December 2016: Arthroplast Today
https://www.readbyqxmd.com/read/28324204/tibial-nerve-neuropathy-following-medial-opening-wedge-high-tibial-osteotomy-case-report-of-a-rare-technical-complication
#5
Young-Soo Shin, Hyun-Bo Sim, Jung-Ro Yoon
A 63-year-old woman developed tibial nerve injury caused by an overlong K wire and 4.5-mm cortical lag screw through the first distal hole below the osteotomy during medial opening-wedge high tibial osteotomy (HTO), leading to a lack of sensation on the sole of the foot with no disturbances in motor functions. The temporary lag screw in the first distal hole below the osteotomy is often inserted by an excessive length in order to compress the potentially fractured opposite cortex. By doing so, posterior neurovascular structures including the tibial nerve and the popliteal vessels can be injured...
March 21, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28318865/anterior-vs-posterior-periarticular-multimodal-drug-injections-a-randomized-controlled-trial-in-simultaneous-bilateral-total-knee-arthroplasty
#6
Artit Laoruengthana, Piti Rattanaprichavej, Supachok Rasamimongkol, Monton Galassi
BACKGROUND: Currently, various techniques are used to overcome postoperative pain after total knee arthroplasty. A local analgesic infiltration with periarticular multimodal drug injection (PMDI) is favorable because of its simplicity, safety, and efficacy. The present study compared the efficacy of a PMDI at the anterior vs posterior compartments. METHODS: Forty-six patients were randomized to receive the PMDI at either the anterior or posterior compartment, with the contralateral knee receiving the PMDI at the opposite compartment...
February 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28280738/ultrasound-guided-obturator-nerve-block-a-focused-review-on-anatomy-and-updated-techniques
#7
REVIEW
Takayuki Yoshida, Tatsuo Nakamoto, Takahiko Kamibayashi
This review outlines the anatomy of the obturator nerve and the indications for obturator nerve block (ONB). Ultrasound-guided ONB techniques and unresolved issues regarding these procedures are also discussed. An ONB is performed to prevent thigh adductor jerk during transurethral resection of bladder tumor, provide analgesia for knee surgery, treat hip pain, and improve persistent hip adductor spasticity. Various ultrasound-guided ONB techniques can be used and can be classified according to whether the approach is distal or proximal...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28277590/does-an-anterior-lipped-tibial-insert-adequately-substitute-for-a-post-cam-articulation-in-total-knee-arthroplasty
#8
Rahul K Biyani, Mary Ziemba-Davis, Philip H Ireland, R Michael Meneghini
INTRODUCTION: Newer tibial inserts with enhanced conformity (cruciate stabilizing anterior lip; CS) to obviate the need for a posteriorly stabilized (PS) post-cam articulation in posterior cruciate ligament-deficient knees have been recently introduced in modern total knee arthroplasty (TKA). The purpose of this study was to evaluate whether clinical and functional outcomes differ in TKA cohorts without a posterior cruciate ligament (PCL) utilizing either CS anterior-lipped or PS post-cam articulation...
March 9, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28271089/total-knee-arthroplasty-in-severe-unstable-knee-case-report-and-literature-review
#9
Mohammad Naghi Tahmasebi, Gholamreza Ghorbani Amjad, Mohammad Hassan Kaseb, Kaveh Bashti
Multiplanar or global laxity in arthritic knee is rare, most of this patients have neuromuscular disorder (post poliomyelitis, spinal dystrophy) or history of knee trauma. Ligament insufficiency and severe bone loss is significant in this patient. The estimated prevalence for the concurrence of charcot marie-tooth (CMT) with myasthenia gravis (MG) suggests an extremely rare event. We have presented a 54-year-old female patient with CMT and MG complaining of progressive pain, swelling, and crepitation of the knee joints who had been undergone total knee arthroplasty (TKA) with rotating hinge prosthesis...
January 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28268001/return-to-duty-following-combat-related-multi-ligamentous-knee-injury
#10
Aaron E Barrow, Andrew J Sheean, Travis C Burns
INTRODUCTION: This retrospective cohort study characterized injury patterns, treatment practices, and identified the return to duty (RTD) rate following combat-related multi-ligament knee injuries (MLKI). PATIENTS AND METHODS: We evaluated injury characteristics and treatment methods of 46 military service members who had sustained a MLKI during combat activity. The primary clinical outcome measure was ability to return to active military duty. Secondary outcomes included subjective pain score, knee motion, knee instability, and use of ambulatory assistive device...
February 22, 2017: Injury
https://www.readbyqxmd.com/read/28255479/actinomyces-meyeri-popliteal-cyst-infection-and-review-of-the-literature
#11
Bharath Raj Palraj, Ala S Dababneh
A 66-year-old, Caucasian male presented with pain and swelling involving the left knee of one-week duration. Arthrocentesis was negative for evidence of septic arthritis. Magnetic resonance imaging (MRI) study of the left knee showed degenerative arthritis, partial tear of medial meniscus, and a complex fluid collection along the posteromedial aspect of the left knee suggestive of popliteal cyst. He underwent arthroscopy with partial medial meniscectomy. Intraoperative joint fluid was noted to be cloudy but cultures were negative...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28251846/does-a-pelvic-belt-reduce-hip-adduction-weakness-in-pregnancy-related-posterior-pelvic-girdle-pain-a-case-control-study
#12
Jan M Mens
BACKGROUND: The cause of non-specific lumbopelvic pain is unknown. Pregnancy-related pelvic girdle pain seems to be a subgroup that deserves a specific treatment. One of the options is the use of a pelvic belt. AIM: To objectify the influence of a pelvic belt in patients with pelvic girdle pain. DESIGN: Case-control study. SETTING: Outpatient clinic. POPULATION: A total of 49 women with long-lasting posterior pelvic girdle pain and 37 parous women of the same age group without pelvic girdle pain...
March 1, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28249886/case-of-polyostotic-primary-bone-lymphoma-successfully-treated-with-immunochemotherapy-and-consolidation-radiotherapy
#13
Irfan Ahmad, Kundan Singh Chufal, Nidhi Goyal, Chandi Prasad Bhatt
A 47-year-old woman presented with symptoms of sharp pain over the left anterior thigh with radiation from the groin to the knee. She subsequently developed numbness in that region and reduced motor strength in extensors of the left knee. Plain radiography of the spine and knee was normal. An MRI of the spine revealed an irregular extramedullary mass with intradural and extradural components, extending from the L3 to L5 vertebrae. She underwent a laminectomy and posterior spinal decompression based on a working diagnosis of nerve sheath tumour...
March 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28240703/physical-activity-is-related-with-cartilage-quality-in-women-with-knee-osteoarthritis
#14
Matti Munukka, Benjamin Waller, Arja Häkkinen, Miika T Nieminen, Eveliina Lammentausta, Urho M Kujala, Juha Paloneva, Hannu Kautiainen, Ilkka Kiviranta, Ari Heinonen
PURPOSE: To study the relationship between 12-month leisure-time physical activity (LTPA) level and changes in estimated biochemical composition of tibiofemoral cartilage in postmenopausal women with mild knee osteoarthritis (OA). METHODS: Originally 87 volunteer postmenopausal women, aged 60-68 years, with mild knee OA (Kellgren Lawrence I/II and knee pain) participated in a randomised controlled, 4-month aquatic training trial (RCT), after which 76 completed the 12-month post-intervention follow-up period...
February 25, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28236094/-diseases-and-overuse-injuries-of-the-lower-extremities-in-long-distance-runners
#15
REVIEW
M Tschopp, F Brunner
Running is one of the most popular sports worldwide, with running events attracting hundreds of thousands of runners of all age groups. Running is an effective way to improve health but is also associated with a high risk of injuries. Up to 50% of regular runners report having more than one injury each year. Some injuries are caused by an accident but most are caused by overuse. The most frequent diagnoses are patellofemoral pain syndrome, tibial stress syndrome (shin splint), Achilles tendinopathy, iliotibial band friction syndrome (runner's knee), plantar fasciitis and stress fractures of the metatarsals and tibia...
February 24, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28184957/partial-meniscectomy-provides-no-benefit-for-symptomatic-degenerative-medial-meniscus-posterior-root-tears
#16
Aaron J Krych, Nick R Johnson, Rohith Mohan, Diane L Dahm, Bruce A Levy, Michael J Stuart
PURPOSE: Medial meniscus posterior root tears (MMPRTs) are recognized as a source of pain and dysfunction, but treatment options remain a challenge. The purpose of the study was to determine (1) the efficacy of partial meniscectomy to treat MMPRTs compared to a matched group of non-operatively treated MMPRTs, and (2) risk factors for worse clinical and radiographic outcome. METHODS: This retrospective comparative study was performed to include patients with complete, isolated MMPRTs with documented clinical symptoms and were treated with arthroscopic partial meniscectomy (PMM) and a minimum 2-year follow-up...
February 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28182968/measuring-postural-control-during-mini-squat-posture-in-men-with-early-knee-osteoarthritis
#17
M Petrella, K Gramani-Say, P R M S Serrão, G C Lessi, J A Barela, R P Carvalho, S M Mattiello
Studies have suggested a compromised postural control in individuals with knee osteoarthritis (OA) evidenced by larger and faster displacement of center of pressure (COP). However, quantification of postural control in the mini-squat posture performed by patients with early knee OA and its relation to muscle strength and self-reported symptoms have not been investigated. The main aim of this cross-sectional, observational, controlled study was to determine whether postural control in the mini-squat posture differs between individuals with early knee OA and a control group (CG) and verify the relation among knee extensor torque (KET) and self-reported physical function, stiffness and pain...
February 6, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28182736/comparison-of-clinical-and-radiological-outcomes-between-opening-wedge-and-closing-wedge-high-tibial-osteotomy-a-comprehensive-meta-analysis
#18
Lingfeng Wu, Jun Lin, Zhicheng Jin, Xiaobin Cai, Weiyang Gao
High tibial osteotomy (HTO) has been widely used for clinical treatment of osteoarthritis of the medial compartment of the knee, and both opening-wedge and closing-wedge HTO are the most commonly used methods. However, it remains unclear which technique has better clinical and radiological outcomes in practice. To systematically evaluate this issue, we conducted a comprehensive meta-analysis by pooling all available data for the opening-wedge HTO and closing-wedge HTO techniques from the electronic databases including PubMed, Embase, Wed of Science and Cochrane Library...
2017: PloS One
https://www.readbyqxmd.com/read/28165605/rotational-alignment-of-the-knee-is-different-in-osteological-specimens-with-and-without-a-large-cam-deformity-of-the-proximal-femur
#19
Jeremy J Gebhart, Jonathan J Streit, Avi Goodman, Jordan Etscheidt, Douglas S Weinberg, Asheesh Bedi, Shane J Nho, Michael J Salata
PURPOSE: We studied a large osteological collection for differences in knee rotation based upon the presence or absence of a large cam deformity of the proximal femur. METHODS: We obtained 357 matched tibiae and femora from the Hamann-Todd Osteological Collection and measured: femoral head-neck alpha angle, anteroposterior axis (or Whiteside's line) at the distal femur relative to the posterior condylar axis, and position of the tibial tubercle with respect to the posterior condylar axis of the proximal tibia...
February 2, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28164052/treatment-of-stiff-elbow-in-young-patients-with-interpositional-arthroplasty-for-mobility-case-series
#20
R Sivakumar, V SomaSheker, Prahalad Kumar Shingi, T Vinoth, M Chidambaram
INTRODUCTION: The elbow is a complex joint involving many articulations and complex biomechanics come into play. Elbow motion is crucial to upper limb movement that loss of 50% of elbow function equals to loss of 80% of upper extremity global function. Restoring movement and stability is challenging to the surgeon while treating a stiff elbow. Unlike other arthroplasties of hip and knee, total elbow arthroplasty (TEA) may not be a primary treatment. Interpositional arthroplasty (IPA) can be considered a viable option in posttraumatic arthritis of elbow in young patients...
September 2016: Journal of Orthopaedic Case Reports
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