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Tendon injections

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https://www.readbyqxmd.com/read/27914921/polydeoxyribonucleotide-injection-in-the-treatment-of-chronic-supraspinatus-tendinopathy-a-case-controlled-retrospective-comparative-study-of-6-month-follow-up
#1
Young Chun Yoon, Doo-Hyung Lee, Michael Young Lee, Seung-Hyun Yoon
OBJECTIVE: To determine the efficacy of polydeoxyribonucleotide (PDRN) injection for rotator cuff disease (RCD). DESIGN: Case-controlled, retrospective, comparative study. SETTING: Outpatient clinic at university-affiliated tertiary care hospital. PARTICIPANTS: 106 patients with chronic non-traumatic refractory RCD who were unresponsive to at least 1 month of conservative treatment; 55 patients received PDRN injection (PDRN group) and 51 continued conservative treatment (control group)...
November 30, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27908709/surgical-intervention-for-oromandibular-dystonia-related-limited-mouth-opening-long-term-follow-up
#2
Kazuya Yoshida
BACKGROUND: Oromandibular dystonia is a movement disorder that is characterized by involuntary masticatory and/or lingual muscle contracture. Jaw closing dystonia, the most common subtype of this condition, can cause trismus and is frequently misdiagnosed as temporomandibular joint disorder or masticatory muscle tendon-aponeurosis hyperplasia. MATERIALS AND METHODS: This report describes the long-term results of 18 patients with limited mouth opening (mean maximal mouth opening: 12...
October 28, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27907934/restriction-of-postoperative-joint-loading-in-a-murine-model-of-anterior-cruciate-ligament-reconstruction-botulinum-toxin-paralysis-and-external-fixation
#3
Amir Lebaschi, Xiang-Hua Deng, Nathan W Coleman, Christopher L Camp, Jianchun Zong, Andrew Carbone, Camila B Carballo, Guang-Ting Cong, Zoe M Album, Scott A Rodeo
Control of knee motion in small animal models is necessary to study the effect of mechanical load on the healing process. This can be especially challenging in mice, which are being increasingly used for various orthopedic reconstruction models. We explored the feasibility of botulinum toxin (Botox; Allergan, Dublin, Ireland) paralysis and a newly designed external fixator to restrict motion of the knee in mice undergoing anterior cruciate ligament (ACL) reconstruction. Nineteen C57BL/6 mice were allocated to two groups: (1) Botox group (n = 9) and (2) external fixator group (n = 10)...
December 1, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27900294/efficacy-of-autologous-leukocyte-reduced-platelet-rich-plasma-therapy-for-patellar-tendinopathy-in-a-rat-treadmill-model
#4
Mamoru Yoshida, Hiroki Funasaki, Keishi Marumo
BACKGROUND: An autologous platelet-rich plasma (PRP) therapy has currently been applied for the tendinopathy; however, its efficacy and an optimal platelets concentration in PRP were uncertain. We analyzed them in an animal model prepared using a repetitive running exercise. METHODS: We made the tendinopathy rat model of patellar tendon using a rodent treadmill machine. Rats with tendinopathy were injected with leukocyte-reduced PRP at the platelets concentration of 1...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27886842/hand-and-wrist-injuries-in-golfers-and-their-treatment
#5
REVIEW
Sang-Hyun Woo, Young-Keun Lee, Jong-Min Kim, Ho-Jun Cheon, William H J Chung
A thorough understanding of the swing phases and mechanisms of injury in golf allows accurate diagnosis, treatment, and future prevention of injuries. Recommended initial treatment starts with cessation of practice to rest the wrist, a splint or orthotic brace, and nonsteroidal antiinflammatory drug medication with corticosteroid injection and swing modification. Pisiform excision is the best treatment of the most severe chronic cases of pisiform ligament complex syndrome. Delayed diagnosis of hook of hamate fracture may lead to complications, including flexor tendon rupture...
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27885384/use-of-the-arthroereisis-screw-with-tendoscopic-delivered-platelet-rich-plasma-for-early-stage-adult-acquired-flatfoot-deformity
#6
Youichi Yasui, Ichiro Tonogai, Andrew J Rosenbaum, David M Moore, Masato Takao, Hirotaka Kawano, John G Kennedy
PURPOSE: Early stage adult acquired flatfoot deformity (AAFD) is traditionally treated with osteotomy and tendon transfer. Despite a high success rate, the long recovery time and associated morbidity are not sufficient. This study aims to evaluate the functional and radiological outcomes following the use of the arthroereisis screw with tendoscopic delivered PRP for early stage AAFD. METHODS: Patients with stage IIa AAFD who underwent the use of the arthroereisis screw with tendoscopic delivered PRP with a minimum follow-up time of 24 months were retrospectively evaluated...
November 24, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27885382/mri-in-flexor-tendon-rupture-after-collagenase-injection
#7
Shruti Khurana, Vibhor Wadhwa, Avneesh Chhabra, Bardia Amirlak
Flexor tendon rupture is an unusual complication following collagenase injection to relieve contractures. These patients require a close follow-up and in the event of tendon rupture, a decision has to be made whether to repair the tendon or manage the complication conservatively. The authors report the utility of MRI in the prognostication and management of a patient with Dupuytren's contracture, who underwent collagenase injection and subsequently developed flexor digitorum profundus tendon rupture.
November 25, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27872990/blood-supply-of-the-subacromial-bursa-and-rotator-cuff-tendons-on-the-bursal-side
#8
Elle Põldoja, Madis Rahu, Kristo Kask, Imke Weyers, Ivo Kolts
PURPOSE: Vascularity of the subacromial bursa and rotator cuff tendons is key factors in the pathogenesis of subacromial bursitis and impingement syndrome, rotator cuff tendinitis, and rotator cuff tears. The purpose of this study was to investigate and describe blood supply to the cranial and caudal parts of the subacromial bursa and the vascularity of the rotator cuff tendons on the bursal side. METHODS: Fourteen fresh cadaveric shoulders from six females and eight males with a mean age of 71...
November 21, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27868077/platelet-rich-plasma-injections-with-needle-tenotomy-for-gluteus-medius-tendinopathy-a-registry-study-with-prospective-follow-up
#9
James J Lee, Julian R Harrison, Kwadwo Boachie-Adjei, Elizabeth Vargas, Peter J Moley
BACKGROUND: Gluteal tendinopathy is a prevalent condition that can be associated with significant pain and disability. To date, no studies have prospectively assessed the efficacy of intratendinous platelet-rich plasma (PRP) injections as a minimally invasive treatment for gluteus medius tendinopathy. PURPOSE: To prospectively assess the efficacy of intratendinous PRP injections as treatment for chronic recalcitrant gluteus medius tendinopathy. STUDY DESIGN: Case series; Level of evidence, 4...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27856801/efficacy-of-triamcinolone-acetate-and-methylprednisolone-acetonide-for-intrabursal-injection-after-ultrasound-guided-percutaneous-treatment-in-painful-shoulder-calcific-tendonitis-a-randomized-controlled-trial
#10
Milva Battaglia, Federica Guaraldi, Davide Gori, Emanuela Castiello, Emanuela Arvat, Alessandra Sudanese
BACKGROUND: Ultrasound-guided percutaneous irrigation of calcific tendinopathy (US-PICT) with intrabursal steroid injection is an elective treatment for painful rotator cuff calcific tendinopathy. PURPOSE: To compare the efficacy of post-US-PICT intrabursal 40 mg injection of triamcinolone acetonide (TA) versus methylprednisolone acetate (MA). MATERIAL AND METHODS: Forty patients (22 women; mean age 48.7 ± 7.2 years) with painful shoulder calcific tendinopathy, treated with TA or MA injected intrabursally after US-PICT, were included in this randomized controlled trial...
November 17, 2016: Acta Radiologica
https://www.readbyqxmd.com/read/27826482/platelet-derived-factor-concentrates-with-hyaluronic-acid-scaffolds-for-treatment-of-deep-burn-wounds
#11
Takanobu Mashiko, Toshiharu Minabe, Tomomi Yamakawa, Jun Araki, Hitomi Sano, Kotaro Yoshimura
A deep burn wound is a critical condition that generally necessitates vascularized tissue coverage. We performed the injection of platelet-derived factor concentrates combined with non-cross-linked hyaluronic acid scaffolds for 2 patients with critical burn wounds with bone and tendon exposure and achieved successful healing. Hyaluronic acid was considered to have served as a controlled-release carrier of platelet-derived factors, being clinically effective for the treatment of deep burn wounds.
October 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27810581/effect-of-botulinum-toxin-on-disabling-neuropathic-pain-a-case-presentation-suggesting-a-new-therapeutic-strategy
#12
Michelangelo Buonocore, Laura Demartini, Silvia Mandrini, Anna Dall'Angelo, Elena Dalla Toffola
: This case presentation describes a 47-year-old woman who developed complex regional pain syndrome type II with severe neuropathic pain following iatrogenic transection of the tibial nerve at the ankle. The pain and disability progressively worsened over time, markedly impaired ambulation, and were not relieved despite various analgesic treatments. After injection of botulinum toxin (abobotulinumtoxinA, BoNT-A) in the leg muscles the tendons of which pass through the tarsal tunnel (together with the tibial nerve), her pain decreased and her walking capacity improved...
November 1, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27746821/mri-based-assessment-of-intralesional-delivery-of-bone-marrow-derived-mesenchymal-stem-cells-in-a-model-of-equine-tendonitis
#13
Alexandra Scharf, Shannon P Holmes, Merrilee Thoresen, Jennifer Mumaw, Alaina Stumpf, John Peroni
Ultrasound-guided intralesional injection of mesenchymal stem cells (MSCs) is held as the benchmark for cell delivery in tendonitis. The primary objective of this study was to investigate the immediate cell distribution following intralesional injection of MSCs. Unilateral superficial digital flexor tendon (SDFT) lesions were created in the forelimb of six horses and injected with 10 × 10(6) MSCs labeled with superparamagnetic iron oxide nanoparticles (SPIOs) under ultrasound guidance. Assays were performed to confirm that there were no significant changes in cell viability, proliferation, migration, or trilineage differentiation due to the presence of SPIOs...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27744069/model-polymer-system-for-investigating-the-generation-of-hydrogen-peroxide-and-its-biological-responses-during-the-crosslinking-of-mussel-adhesive-moiety
#14
Hao Meng, Yuan Liu, Bruce P Lee
: Mussel adhesive moiety, catechol, has been utilized to design a wide variety of biomaterials. However, the biocompatibility and biological responses associated with the byproducts generated during the curing process of catechol has never been characterized. An in situ curable polymer model system, 4-armed polyethylene glycol polymer end-capped with dopamine (PEG-D4), was used to characterize the production of hydrogen peroxide (H2O2) during the oxidative crosslinking of catechol. Although PEG-D4 cured rapidly (under 30s), catechol continues to polymerize over several hours to form a more densely crosslinked network over time...
October 12, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27741145/the-clinical-effect-of-tendon-repair-for-tendon-spontaneous-rupture-after-corticosteroid-injection-in-hands-a-retrospective-observational-study
#15
Hui Lu, Hu Yang, Hui Shen, Ganmin Ye, Xiang-Jin Lin
Corticosteroid injections for hand tendinitis can lead to a rare significant complication of tendon spontaneous rupture. However, only sporadic cases were reported in the literature before. This study was designed to gauge the clinical effect of tendon repair in patients of tendon spontaneous rupture after corticosteroid injection and analyze our experience.This was a retrospective observational study of 13 patients (8 women and 5 men) operated between July 2011 and December 2015 for tendon spontaneous rupture after corticosteroid injection...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27737288/historical-patterns-and-variation-in-treatment-of-injuries-in-nfl-national-football-league-players-and-ncaa-national-collegiate-athletic-association-division-i-football-players
#16
Eric C McCarty, Matthew J Kraeutler, Paula Langner, Shane Cook, Byron Ellis, Jenna M Godfrey
We conducted a study to identify and contrast patterns in the treatment of common injuries that occur in National Football League (NFL) players and National Collegiate Athletic Association (NCAA) Division I football players. Orthopedic team physicians for all 32 NFL and 119 NCAA Division I football teams were asked to complete a survey regarding demographics and preferred treatment of a variety of injuries encountered in football players. Responses were received from 31 (97%) of the 32 NFL and 111 (93%) of the 119 NCAA team physicians...
September 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/27717978/high-resolution-ultrasound-in-the-diagnosis-of-trigger-finger-and-evaluation-of-response-to-steroid-injection
#17
Yutaka Mifune, Atsuyuki Inui, Ryosuke Sakata, Yoshifumi Harada, Fumiaki Takase, Masahiro Kurosaka, Takeshi Kokubu
OBJECTIVE: No studies have reported the use of ultrasound for the evaluation of trigger finger after steroid injection. We evaluated the clinical features and ultrasound appearance of trigger finger before and after steroid injection under ultrasound guidance. MATERIALS AND METHODS: Thirty-eight digits with triggering were included. A single steroid injection into the tendon sheath was administered. Ultrasound findings and clinical symptoms, including pain, triggering, and the Quinnell score, were analyzed before injection and at 1 and 3 weeks after injection...
December 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27709032/extensor-tendoscopy-of-the-wrist
#18
Tun Hing Lui
Extensor tenosynovitis of the wrist can lead to rupture of the extensor tendons. Extensor tenosynovectomy is indicated if the tenosynovitis cannot be controlled by conservative measures. Open tenosynovectomy requires extensive dissection of soft tissue, including the extensor retinaculum. This article describes extensor tendoscopy of the wrist. This technique allows approach to the extensor compartments with small incisions and minimal soft tissue dissection. It is indicated when extensor tenosynovitis persists despite adequate medical treatments including medications, immobilization, and steroid injection...
August 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27703942/bilateral-spontaneous-midsubstance-patellar-tendon-rupture-after-bilateral-total-knee-arthroplasty
#19
Amyn Rajani, Kumar Kaushik Dash, Neetin P Mahajan, Ritesh Kumar
INTRODUCTION: Patellar tendon rupture can occur due to multiple causes ranging from inflammatory pathologies to episodes of trauma. Extensor mechanism rupture is a rare complication of total knee arthroplasty (TKA). In most of these cases, the failure occurs as avulsion of patellar tendon from tibial tuberosity. We report a rare case with bilateral mid-substance patellar tendon rupture one month after bilateral total knee arthroplasty. CASE PRESENTATION: A 69-year-old male was operated for bilateral grade 4 osteoarthritis...
April 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27699662/imaging-the-implant-soft-tissue-interactions-in-total-knee-arthroplasty
#20
Michel P Bonnin, Tom Van Hoof, Arnoud De Kok, Matthias Verstraete, Catherine Van der Straeten, Moreno Saffarini, Jan Victor
BACKGROUND: In Total Knee Arthroplasty (TKA), residual pain may be secondary to soft tissue impingements, which are difficult to visualize around chromium-cobalt implants using medical imaging, so their interactions remain poorly understood. The goal of this work was to establish a protocol for in-vitro imaging of the soft tissues around TKA, usable during throughout the range of motion (ROM). METHODS: The full size range of a commercially available TKA prosthesis was manufactured by 3D-printing in non-magnetic and non-radiopaque polymer and implanted in 12 cadaveric knees...
December 2016: Journal of Experimental Orthopaedics
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