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Treatment for patellar tendonitis

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https://www.readbyqxmd.com/read/28408084/semiextended-approach-for-intramedullary-nailing-via-a-patellar-eversion-technique-for-tibial-shaft-fractures-evaluation-of-the-patellofemoral-joint
#1
Tomohiro Yasuda, Shu Obara, Junji Hayashi, Masayuki Arai, Kaoru Sato
Intramedullary nail fixation is a common treatment for tibial-shaft fractures, and it offers a better functional prognosis than other conservative treatments. Currently, the primary approach employed during intramedullary nail insertion is the semiextended position is the suprapatellar approach, which involves a vertical incision of the quadriceps tendon Damage to the patellofemoral joint cartilage has been highlighted as a drawback associated with this approach. To avoid this issue, we perform surgery using the patellar eversion technique and a soft sleeve...
March 25, 2017: Injury
https://www.readbyqxmd.com/read/28376759/prognostic-value-of-mri-in-arthroscopic-treatment-of-chronic-patellar-tendinopathy-a-prospective-cohort-study
#2
Peter Ogon, Kaywan Izadpanah, Helge Eberbach, Gernot Lang, Norbert P Südkamp, Dirk Maier
BACKGROUND: To date, prognostic outcome factors for patients undergoing arthroscopic treatment due to chronic patellar tendinopathy (PT) are lacking. The purpose of this study was to investigate whether preoperatively assessed MRI parameters might be of prognostic value for prediction of functional outcome and return to sports in arthroscopic treatment of chronic PT. METHODS: A prospective cohort study was conducted including 30 cases (4 female and 24 male competitive athletes) undergoing arthroscopic patellar release (APR) due to chronic PT...
April 4, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28353048/what-factors-influence-the-biomechanical-properties-of-allograft-tissue-for-acl-reconstruction-a-systematic-review
#3
Drew A Lansdown, Andrew J Riff, Molly Meadows, Adam B Yanke, Bernard R Bach
BACKGROUND: Allograft tissue is used in 22% to 42% of anterior cruciate ligament (ACL) reconstructions. Clinical outcomes have been inconsistent with allograft tissue, with some series reporting no differences in outcomes and others reporting increased risk of failure. There are numerous variations in processing and preparation that may influence the eventual performance of allograft tissue in ACL reconstruction. We sought to perform a systematic review to summarize the factors that affect the biomechanical properties of allograft tissue for use in ACL reconstruction...
March 28, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28345997/evaluation-of-a-new-method-to-determine-the-tibial-tuberosity-advancement-distance-required-to-reduce-the-patellar-tendon-tibial-plateau-angle-to-90%C3%A2-with-the-modified-maquet-technique-in-dogs
#4
Paul Pillard, Veronique Livet, Quentin Cabon, Camille Bismuth, Juliette Sonet, Denise Remy, Didier Fau, Claude Carozzo, Eric Viguier, Thibaut Cachon
OBJECTIVE To assess use of a new radiographic method to determine the distance by which the tibial tuberosity should be advanced to reduce the patellar tendon-tibial plateau angle (PTA) to 90° by means of the modified Maquet technique (MMT) in dogs. SAMPLE 24 pelvic limbs from 12 adult medium-sized to large-breed canine cadavers. PROCEDURES Radiographs of stifle joints at 135° extension in true lateral position were used to determine tibial tuberosity advancement distances for use in the MMT. A method was devised to incorporate the planned osteotomy axis; distal patellar translations of 0, 3, 5, or 10 mm; and advancement cage implant application level along the osteotomy site in advancement planning measurements...
April 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28328560/surgical-treatment-of-congenital-and-obligatory-dislocation-of-the-patella-in-children
#5
Ronen Sever, Michael Fishkin, Yoram Hemo, Shlomo Wientroub, Moshe Yaniv
BACKGROUND: Congenital (fixed) dislocations and obligatory (habitual) patellar dislocations represent a complex clinical and surgical challenge. Numerous treatment options, offering different perspectives, and surgical solutions are reported in the literature.We implemented the surgical technique principles, originally described by Stanisavljevic, for congenital (fixed) and obligatory (habitual) patellar dislocations, with slight modifications. METHODS: We retrospectively evaluated the results of group of 12 patients (15 knees), operated between the years 2002 and 2013...
March 21, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28318932/patellar-instability-treated-with-distal-femoral-osteotomy
#6
Ishaan Swarup, Osama Elattar, S Robert Rozbruch
BACKGROUND: Patellar instability can cause significant disability in both pediatric and adult patients, and it is associated with several factors including genu valgum. In this study, we describe the role of a lateral opening wedge distal femoral osteotomy (DFO) combined with lateral retinacular release in addressing genu valgum with associated patellar instability. The rationale for this approach is to medialize the patellar tendon insertion and decrease the Q angle with DFO. METHODS: A consecutive series of patients were studied, and our outcomes of interest included improvements in radiographic measures and patient outcomes...
March 17, 2017: Knee
https://www.readbyqxmd.com/read/28298052/allograft-augmentation-of-hamstring-autograft-for-younger-patients-undergoing-anterior-cruciate-ligament-reconstruction
#7
Cale A Jacobs, Jeremy M Burnham, Eric Makhni, Chaitu S Malempati, Eric Swart, Darren L Johnson
BACKGROUND: Younger patients and those with smaller hamstring autograft diameters have been shown to be at significantly greater risk of graft failure after anterior cruciate ligament (ACL) reconstruction. To date, there is no information in the literature about the clinical success and/or cost-effectiveness of increasing graft diameter by augmenting with semitendinosus allograft tissue for younger patients. HYPOTHESIS: Hybrid hamstring grafts are a cost-effective treatment option because of a reduced rate of graft failure...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28291948/eccentric-training-for-tendon-healing-after-acute-lesion-a-rat-model
#8
Jean-François Kaux, Vincent Libertiaux, Pierre Leprince, Marianne Fillet, Vincent Denoel, Clémence Wyss, Christelle Lecut, André Gothot, Caroline Le Goff, Jean-Louis Croisier, Jean-Michel Crielaard, Pierre Drion
BACKGROUND: The tendon is a dynamic entity that remodels permanently. Platelet-rich plasma (PRP) injection has been shown to have a beneficial effect on tendon healing after lesion in rats. Furthermore, eccentric exercise seems to improve the mechanical quality of the tendon. HYPOTHESIS: A combination of PRP injection and eccentric training might be more effective than either treatment alone. STUDY DESIGN: Controlled laboratory study. METHODS: Adult male rats were anesthetized, an incision was performed in the middle of their left patellar tendon and an injection of physiological fluid (PF) or homologous PRP was randomly made at the lesion level...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28281462/ultrasound-sensitivity-to-changes-in-gout-a-longitudinal-study-after-two-years-of-treatment
#9
Diana Peiteado, Alejandro Villalba, Emilio Martín-Mola, Alejandro Balsa, Eugenio De Miguel
OBJECTIVES: The goals of our study are to evaluate the urate-lowering therapy (ULT) effect on gout ultrasound (US) lesions and to explore US sensitivity to change in gout patients. METHODS: Patients with chronic and symptomatic gout, confirmed by crystal identification, were prospectively included. Clinical and US assessments were performed at baseline and after 6, 12 and 24 months of ULT. The presence of double contour sign (DCS) and US- detectable tophi were assessed in the first metatarsophalangeals, the knees and patellar tendons...
March 3, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28178094/reconstruction-of-symptomatic-congenital-anterior-cruciate-ligament-insufficiency
#10
Brant C Sachleben, Adam Y Nasreddine, Jeffrey J Nepple, Frances A Tepolt, James R Kasser, Mininder S Kocher
BACKGROUND: Hypoplasia or congenital absence of the anterior cruciate ligament (ACL) is a rare disorder occurring in ∼1 in every 6000 births. Although some patients with hypoplasia or agenesis of the ACL may not complain of instability, others desire to participate in more demanding activities that require the stability of a competent ACL. There are limited reports of surgical treatment of this patient population. The purpose of this study was to report ACL reconstruction in a case series of patients with symptomatic congenital ACL deficiency...
February 7, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28149740/surgical-technique-jumper-s-knee-arthroscopic-treatment-of-chronic-tendinosis-of-the-patellar-tendon
#11
Matthias Brockmeyer, Alexander Haupert, Dieter Kohn, Olaf Lorbach
Chronic patellar tendinosis (jumper's knee) is a common problem among athletes. Conservative treatment is successful in most of the cases including, among others, the use of nonsteroidal anti-inflammatory drugs, local cryotherapy, eccentric muscle training, limitation of sports activity, and local infiltration. In approximately 10% of conservatively treated patients, conservative treatment fails and surgery is required. Different open and arthroscopic surgical techniques have been described in the literature...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28149738/frontal-tendon-lengthening-plasty-for-treatment-of-structural-patella-baja
#12
Valentino F Bruhin, Stefan Preiss, Gian M Salzmann, Laurent P Harder
Patella baja is a severe complication seen after trauma, prolonged immobilization and surgery. Several surgical methods have been described to proximalize the patella without a change in the patella tendon length. Yet, patella tendon shortening and thickening can be regarded as the hallmark pathology. As such, we describe a technique for the lengthening of the patellar tendon to pathoconformly address underlying patella baja. The technique is reproducible and gives the possibility of an early postoperative mobilization to prevent re-baja-a typical complication after patella baja surgery...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28138766/-evidence-based-therapy-for-tendinopathy-of-the-knee-joint-which-forms-of-therapy-are-scientifically-proven
#13
H Horstmann, J D Clausen, C Krettek, T S Weber-Spickschen
Tendinopathy in the region of the knee joint is a common pathological disorder. People active in sports, in particular, have a high probability of suffering from tendinopathy. Despite its high clinical relevance, the level of evidence of therapy options for tendinopathy in the knee region differs greatly. This review gives an overview of current evidence levels for therapy options in tendinopathy of the quadriceps, patellar and pes anserinus insertion tendons as well as of the distal iliotibial tract tendon...
March 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28104531/diagnosis-and-treatment-of-gouty-tophi-in-the-patellar-tendon-using-ultrasound-guided-needle-barbotage-a-case-presentation
#14
Ricardo E Colberg, Rachel B Geffen
A 73-year-old man presented with nontraumatic debilitating anterior left knee pain. Magnetic resonance imaging suggested a partial patellar tendon tear. However, ultrasound imaging revealed multiple small hyperechoic areas with posterior acoustic shadowing with intermixed hypoechoic fluid within the proximal patellar tendon, consistent with gouty tophi. The patient underwent ultrasound-guided needle barbotage of the tophi. Gout was confirmed by the presence of uric acid crystals in the aspirate. He had immediate pain relief...
January 16, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28077355/no-evidence-for-the-use-of-stem-cell-therapy-for-tendon-disorders-a-systematic-review
#15
Haiko I M F L Pas, Maarten H Moen, Hidde J Haisma, Marinus Winters
INTRODUCTION: Stem cells have emerged as a new treatment option for tendon disorders. We systematically reviewed the current evidence for stem cell therapy in tendon disorders. METHODS: Randomised and non-randomised controlled trials, cohort studies and case series with a minimum of 5 cases were searched in MEDLINE, CENTRAL, EMBASE, CINAHL, PEDro and SPORTDiscus. In addition, we searched grey literature databases and trial registers. Only human studies were included and no time or language restrictions were applied to our search...
January 11, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28074440/distal-femoral-extension-and-shortening-osteotomy-as-a-part-of-multilevel-surgery-in-children-with-cerebral-palsy
#16
Matthias C M Klotz, Klemens Hirsch, Daniel Heitzmann, Michael W Maier, Sebastien Hagmann, Thomas Dreher
BACKGROUND: There are several reports describing an increase in anterior pelvic tilt after hamstring lengthening in children with cerebral palsy (CP). Distal femoral extension and shortening osteotomy (DFESO) is an alternative treatment for correction of fl exed knee gait, but investigations analyzing outcome and infl uence on adjacent joint are few in the literature. The purpose of this study was to analyze the influence of DFESO on knee and pelvis in children with CP. Furthermore, it was of interest if an additional patellar tendon advancement (PA) infl uences outcome...
December 23, 2016: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28045874/surgical-treatment-for-failure-of-repair-of-patellar-and-quadriceps-tendon-rupture-with-ipsilateral-hamstring-tendon-graft
#17
Nicola Maffulli, Rocco Papalia, Guglielmo Torre, Vincenzo Denaro
Tears of the patellar and quadriceps tendon are common in the active population, especially in athletes. At present, several techniques for surgical repair and reconstruction are available. When reruptures occur, a reconstruction is mandatory. In the present paper, we describe a surgical technique for patellar and quadriceps tendon reconstruction using ipsilateral hamstring autograft. After routine hamstring tendon harvesting, the tendon ends are prepared using a whip stitch. A transverse tunnel is drilled in the midportion of the patella, the hamstring graft is passed through the patella, and firmly secured to the patellar tunnel openings with sutures...
March 2017: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/28040091/reconstruction-of-patellar-tendon-following-implantation-of-proximal-tibia-megaprosthesis-for-the-treatment-of-post-traumatic-septic-bone-defects
#18
Giorgio M Calori, Emilio Luigi Mazza, Luca Vaienti, Simone Mazzola, Alessandra Colombo, Luca Gala, Massimiliano Colombo
INTRODUCTION: Latest advances made in joint replacement implants allows reconstruction of entire limbs. These special prostheses or megaprostheses were originally designed for the treatment of severe oncological bone loss. Nowadays, however, the indications and applications of these devices are expanding to other orthopaedic and trauma clinical conditions. Since 2008 we have implanted 152 megaprostheses in non-oncological conditions: 87 were implanted for post-traumatic failures aseptic/septic (represented by complex non-unions and critical size bone defects); 26 total femur, 52 distal femur and 9 proximal tibia...
December 2016: Injury
https://www.readbyqxmd.com/read/27999926/results-of-arthroscopic-treatment-in-unresolved-osgood-schlatter-disease-in-athletes
#19
Esra Circi, Tahsin Beyzadeoglu
AIM OF THE STUDY: In this study we aimed to determine outcomes following arthroscopic ossicle excision in athletes with unresolved Osgood-Schlatter disease (OSD). METHOD: Arthroscopy was performed on 11 patients (11 knees) with OSD between September 2008 and November 2014. Surgical treatment inclusion criteria were determined as: failure of conservative treatment; isolated pain over the tibial tubercle and distal patellar tendon; pain limiting sporting performance at a competitive level...
February 2017: International Orthopaedics
https://www.readbyqxmd.com/read/27939752/influence-of-patellar-position-on-the-knee-extensor-mechanism-in-normal-and-crouched-walking
#20
Rachel L Lenhart, Scott C E Brandon, Colin R Smith, Tom F Novacheck, Michael H Schwartz, Darryl G Thelen
Patella alta is common in cerebral palsy, especially in patients with crouch gait. Correction of patella alta has been advocated in the treatment of crouch, however the appropriate degree of correction and the implications for knee extensor function remain unclear. Therefore, the goal of this study was to assess the impact of patellar position on quadriceps and patellar tendon forces during normal and crouch gait. To this end, a lower extremity musculoskeletal model with a novel 12 degree of freedom knee joint was used to simulate normal gait in a healthy child, as well as mild (23 deg min knee flexion in stance), moderate (41 deg), and severe (67 deg) crouch gait in three children with cerebral palsy...
January 25, 2017: Journal of Biomechanics
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