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Patella mobilization

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https://www.readbyqxmd.com/read/29202988/mobile-phone-generated-vibrations-used-to-detect-diabetic-peripheral-neuropathy
#1
Jonathan David May, Matthew William John Morris
BACKGROUND: In the current United Kingdom population the incidence of diabetic peripheral neuropathy is increasing. The presence of diabetic neuropathy affects decision making and treatment options. This study seeks to evaluate if the vibrations generated from a mobile phone can be used to screen patients for diabetic peripheral neuropathy. METHODS: This study comprised of 61 patients; a control group of 21 patients; a lower limb injury group of 19 patients; a diabetic peripheral neuropathy group of 21 patients...
December 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29100777/anisometry-of-medial-patellofemoral-ligament-reconstruction-in-the-setting-of-increased-tibial-tubercle-trochlear-groove-distance-and-patella-alta
#2
Lauren H Redler, Kathleen N Meyers, Jacqueline M Brady, Elizabeth R Dennis, Joseph T Nguyen, Beth E Shubin Stein
PURPOSE: To assess the impact elevated tibial tubercle-trochlear groove (TT-TG) distance and patella height, as measured by the Caton-Deschamps Index (CDI), have on the isometry of a reconstructed medial patellofemoral ligament (MPFL). METHODS: Nine fresh-frozen cadaveric knees were placed on a custom testing fixture, with a fixed femur and a mobile tibia. A suture fixed to the MPFL origin on the patella and free to move at the Schöttle point on the femur represented a reconstructed MPFL...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29082055/quadriceps-tendon-rupture-in-an-adolescent-athlete
#3
William A Zuke, Beatrice Go, Alexander E Weber, Brian Forsythe
Quadriceps tendon rupture is an uncommon injury that usually occurs in middle-aged and elderly men with a history of chronic illnesses. We report the case of a 17-year-old healthy adolescent male baseball player who sustained this injury as a result of sudden deceleration in his left knee. He initially reported to the emergency department and then presented to our practice, where he was diagnosed with a quadriceps tendon tear. Preoperatively, he was unable to perform a single straight-leg raise. During surgical repair, the free edge of the quadriceps tendon was mobilized and anchored into the superior pole of the patella, followed by sutures to ensure reinforcement of the quadriceps footprint...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29071377/-plate-osteosynthesis-of-patellar-fractures
#4
REVIEW
E C Müller, K-H Frosch
OBJECTIVE: Anatomic reconstruction of the retropatellar articular surface and repair of the extensor mechanism of the knee joint. The osteosynthesis should allow immediate mobilization as part of an early functional postoperative rehabilitation protocol. INDICATIONS: Displaced fractures of the patella, especially multifragment and comminuted fractures with a retropatellar incongruity or dislocation of >2 mm. CONTRAINDICATIONS: Critical local soft tissue because of the risk of postoperative infection...
October 25, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28986675/does-the-grading-of-chondromalacia-patellae-influence-anterior-knee-pain-following-total-knee-arthroplasty-without-patellar-resurfacing
#5
Guo-Chun Zha, Shuo Feng, Xiang-Yang Chen, Kai-Jin Guo
OBJECTIVES: The influence of chondromalacia patellae (CMP) on post-operative anterior knee pain (AKP) following total knee arthroplasty (TKA) remains controversial, and few studies have focused on the relationship between them. The purpose of this study was to determine whether different CMP grades affect the incidence of AKP after TKA without patellar resurfacing. METHODS: We performed a retrospective analysis of prospectively collected data on 290 TKAs with the use of the low contact stress mobile-bearing prosthesis, without patellar resurfacing in 290 patients from February 2009 to January 2013...
October 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28970989/crossing-suture-technique-for-the-osteochondral-fractures-repair-of-patella
#6
Wuey Min Ng, Mohamed Zubair Mohamed Al-Fayyadh, Julius Kho, Teo Seow Hui, Mohamed Razif Bin Mohamed Ali
Osteochondral fracture of the patella is a common concomitant injury of the knee, especially in lateral patellar instability, and the importance of early stable fixation with minimal complication and early mobilization should be emphasized. Screws and Kirschner wires both absorbable and nonabsorbable have been the common mode of fixation of these fractures. Nevertheless, these fixation techniques require larger osteochondral fragments and are associated with cartilage abrasion, hardware prominence, synovitis, and foreign body reaction...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28970984/arthroscopic-bony-resection-for-treatment-of-symptomatic-bipartite-patella
#7
Márcio B Ferrari, Anthony Sanchez, George Sanchez, Katrina Schantz, João L Ellera Gomes, Matthew T Provencher
Bipartite patella is a common pathology, affecting 2% to 3% of the population. Usually these cases are bilateral and asymptomatic. However, a patient with a bipartite patella may complain of pain, which is most likely related to fragment mobility. Conservative treatment with physiotherapy, immobilization, and nonsteroidal drugs are encouraged during the initial 6 months following diagnosis. This option is effective in most patients. For patients who do not improve with these conservative measures, surgical intervention is indicated...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28952661/non-operative-management-of-a-patella-fracture-environmental-considerations-in-the-subantarctic
#8
Fraser John Gould
Injuries occurring in the remote environment present particular challenges to healthcare professionals, and decisions need to be carefully made on an individual basis. This report describes the successful management of a patella fracture sustained on the Subantarctic island of South Georgia. A 36-year-old boating officer presented to the island surgery after sustaining an isolated closed injury to his left knee. On physical examination there was a large effusion palpable within the joint, and on subsequent radiography an undisplaced transverse fracture of the patella was apparent...
2017: International Maritime Health
https://www.readbyqxmd.com/read/28918784/-treatment-of-patellar-instability
#9
Martin Lind, Peter Faunø, Ole Gade Sørensen, Bjarne Mygind-Klavsen
First-time patellar luxation appears typically in teenagers and young adults below the age of 16 years, with a prevalence of 45/100,000/year. This luxation is treated with brief limited mobility in a bandage, and with a complementary physiotherapy if the mobility is influenced afterwards. Risk factors for patellar instability are patellofemoral dysplasia, hyperlaxity, patella alta and valgus malalignment in the knee joint. In case of repeated luxation the treatment is surgical, i.e. reconstruction of the medial patellofemoral ligament recreating the medial patella-stabilizing structures...
September 18, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28889222/the-predictive-factors-of-secondary-patellar-resurfacing-in-computer-assisted-total-knee-arthroplasty-a-prospective-cohort-study
#10
Florent Franck, Hervé Ouanezar, Alexandre Jacquel, Vincent Pibarot, Julien Wegrzyn
PURPOSE: The decision to resurface the patella during total knee arthroplasty (TKA) remains controversial. This prospective cohort study aimed to evaluate the outcome and survivorship of the native patella in computer-assisted TKA (CAS TKA) implanted for primary knee osteoarthritis, and to determine the predictive factors of secondary patellar resurfacing (SPR). METHODS: A prospective cohort of 273 cementless ultra-congruent mobile-bearing CAS TKA implanted without patellar resurfacing was included in our total joint registry...
September 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28869901/transtibial-prosthetic-socket-shape-in-a-developing-country-a-study-to-compare-initial-outcomes-in-pressure-cast-hydrostatic-and-patella-tendon-bearing-designs
#11
Sheridan Laing, Noel Lythgo, Jim Lavranos, Peter Vee Sin Lee
This study compared the physical function and comfort level of patients with unilateral transtibial amputation after being fitted with a hand-cast Patella Tendon Bearing (PTB) socket and a pressure-cast (PCAST) hydrocast socket. The latter technique aims to reduce the skill dependency currently required for socket manufacture and fit. The study was conducted at the Vietnamese Training Centre for Orthopaedic Technologies and involved seventeen Vietnamese participants with unilateral transtibial amputation, all of whom were long term users of prosthetics...
October 2017: Gait & Posture
https://www.readbyqxmd.com/read/28844344/patellofemoral-contact-pressures-after-patellar-distalization-a-biomechanical-study
#12
Justin S Yang, John P Fulkerson, Elifho Obopilwe, Andreas Voss, Jessica Divenere, Augustus D Mazzocca, Cory M Edgar
PURPOSE: To measure the patellofemoral contact pressure in early flexion after a tibial tubercle distalization osteotomy. METHODS: Ten matched-pair fresh-frozen cadaveric knees were studied. The average Blackburne-Peel ratio of the native knees was 0.91. The knees were placed on a testing rig, with a fixed femur and tibia mobile through 90° of flexion. Individual quadriceps heads and the iliotibial band were separated and loaded with 205 N in anatomic directions using a weighted pulley system...
November 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28837455/revision-total-knee-arthroplasty-for-the-management-of-periprosthetic-fractures
#13
Paul R T Kuzyk, Evan Watts, David Backstein
Periprosthetic fractures after total knee arthroplasty (TKA) can present reconstructive challenges. Not only is the procedure technically complex, but patients with these fractures may have multiple comorbidities, making them prone to postoperative complications. Early mobilization is particularly beneficial in patients with multiple comorbidities. Certain patient factors and fracture types may make revision TKA the ideal management option. Periprosthetic fractures around the knee implant occur most frequently in the distal femur, followed by the tibia and the patella...
September 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28743096/osteoarthritis-with-permanent-dislocation-of-the-patella-treated-by-total-knee-arthroplasty-through-a-lateral-approach-a-report-of-two-cases
#14
Shuichi Fujiwara, Takafumi Hiranaka, Yuichi Hida, Shigeru Matsuda, Harunobu Uemoto
INTRODUCTION: Permanent dislocation of the patella (PDP) is a rare condition. In cases of PDP with tibiofemoral arthritis, total knee arthroplasty may be performed through a medial parapatellar approach with patellar realignment. In this article we present two cases of PDP with tibiofemoral osteoarthritis successfully treated via lateral approach TKA without any additional realignment procedure. We performed two total knee arthroplasties for PDP with lateral tibiofemoral arthritis through a lateral approach without any realignment procedure...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28697080/plate-osteosynthesis-of-patella-fractures-a-video-case-report
#15
Matthew Siljander, Alexander D Vara, Denise M Koueiter, Sapan Gandhi, Meghan Quigley, Brett Wiater, Patrick Wiater
Operative management of patella fractures continues to be associated with poor outcomes and high reoperation rates. Traditionally, tension band fixation has been used for more simple fracture patterns; however, fixation remains a challenge particularly for comminuted fractures. More recently, various types of plate fixation have been used and reported in the literature. Earlier mobilization after plate osteosynthesis of patella fractures is possible because of a more robust construct, with the potential for decreased knee stiffness and improved functional outcomes...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632289/novel-anterior-plating-technique-for-patella-fracture-fixation
#16
Matthew P Siljander, Alexander D Vara, Denise M Koueiter, Brett P Wiater, Patrick J Wiater
Patella fracture fixation remains a significant challenge for orthopedic surgeons. Although tension band fixation allows for reliable osseous union, especially in simple fracture patterns, it still presents several problems. Plate fixation of patella fractures is a method that allows for more rigid stabilization and earlier mobilization. At the authors' level 1 trauma center, one fellowship-trained trauma surgeon has transitioned to using a novel anterior, low-profile mesh plate construct for all types of patella fractures...
July 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/28580253/arthroscopic-patellar-lateral-facetectomy
#17
Marcio B Ferrari, George Sanchez, Jorge Chahla, Gilbert Moatshe, Robert F LaPrade
Isolated patellofemoral osteoarthritis is relatively prevalent, with the lateral facet of the patella being the most commonly affected portion. This pathology can be a result of a patellar maltracking syndrome, patella instability, or idiopathic degenerative changes. A thorough diagnostic work-up with a physical examination and imaging studies are mandatory for a proper diagnosis and to rule out other causes of patellofemoral knee pain. These patients are often treated nonoperatively with exercises for patella mobility, intra-articular injections, braces, patellar tracking, quadriceps balance and strength, and activity modification...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28472068/minimally-invasive-unicompartmental-knee-replacement-midterm-clinical-outcome
#18
Shaoqi Tian, Jiangjun Liu, Wanqing Yuan, Yuanhe Wang, Chengzhi Ha, Lun Liu, Qicai Li, Xu Yang, Kang Sun
OBJECTIVE: The purpose of this study was to explore the midterm clinical outcomes of unicompartmental knee replacement (UKR) for medial knee arthropathy through a minimally invasive approach (MIA). METHODS: From January 2006 to June 2010, 442 consecutive patients (485 knees) were included in the study. All patients underwent MIA-UKR with the mobile bearing Oxford phrase III prosthesis. The incision was made starting 1 cm medial to the medial pole of the patella and extending distally to the tibial tubercle...
2017: PloS One
https://www.readbyqxmd.com/read/28455472/anterior-knee-pain-and-evidence-of-osteoarthritis-of-the-patellofemoral-joint-should-not-be-considered-contraindications-to-mobile-bearing-unicompartmental-knee-arthroplasty-a-15-year-follow-up
#19
T W Hamilton, H G Pandit, D G Maurer, S J Ostlere, C Jenkins, S J Mellon, C A F Dodd, D W Murray
AIMS: It is not clear whether anterior knee pain and osteoarthritis (OA) of the patellofemoral joint (PFJ) are contraindications to medial unicompartmental knee arthroplasty (UKA). Our aim was to investigate the long-term outcome of a consecutive series of patients, some of whom had anterior knee pain and PFJ OA managed with UKA. PATIENTS AND METHODS: We assessed the ten-year functional outcomes and 15-year implant survival of 805 knees (677 patients) following medial mobile-bearing UKA...
May 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28454908/accuracy-of-mobile-biplane-x-ray-imaging-in-measuring-6-degree-of-freedom-patellofemoral-kinematics-during-overground-gait
#20
Hans A Gray, Shanyuanye Guan, Marcus G Pandy
The aim of this study was to evaluate the accuracy with which mobile biplane X-ray imaging can be used to measure patellofemoral kinematics of the intact knee during overground gait. A unique mobile X-ray imaging system tracked and recorded biplane fluoroscopic images of two human cadaver knees during simulated overground walking at a speed of 0.7m/s. Six-degree-of-freedom patellofemoral kinematics were calculated using a bone volumetric model-based method and the results then compared against those derived from a gold-standard bead-based method...
May 24, 2017: Journal of Biomechanics
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