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https://www.readbyqxmd.com/read/28815297/leukocyte-reduced-platelet-rich-plasma-increases-proliferation-of-tenocytes-treated-with-prednisolone-a-cell-cycle-analysis
#1
Franz Hilber, Markus Loibl, Siegmund Lang, Maximilian Kerschbaum, Gero Brockhoff, Peter Angele, Johannes Zellner, Paul Schmitz, Michael Nerlich, Michael Worlicek
INTRODUCTION: The purpose of this study was to evaluate the effect of allogenic leukocyte-reduced platelet-rich plasma on human tenocytes after treatment with prednisolone and to develop a standardization of its application for clinical practice. METHODS: A leukocyte-reduced PRP was produced using the Arthrex Double Syringe (Arthrex, Inc., Naples, FL, USA), in a modified single-spin separation method. Human tenocytes were isolated from discarded rotator cuff segments...
August 16, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28743379/a-novel-hydroxyapatite-based-screw-like-device-for-anterior-cruciate-ligament-acl-reconstructions
#2
Thomas C Schumacher, Kamen Tushtev, Ulrich Wagner, Caroline Becker, Marzellus Große Holthaus, Sebastian B Hein, Janne Haack, Christian Heiss, Markus Engelhardt, Thaqif El Khassawna, Kurosch Rezwan
BACKGROUND: Rupture of the anterior cruciate ligament (ACL) is one of the most common injuries of the knee. Common techniques for ACL reconstruction require a graft fixation using interference screws. Nowadays, these interference screws are normally made of titanium or polymer/ceramic composites. The main challenge of application of a fixation device made entirely of bioactive ceramic is in relation to the low strength of such materials. The purpose of this study was to evaluate a novel geometry for a fixation device made of pure hydroxyapatite for ACL reconstructions that can overcome some problems of the titanium and the polymer/ceramic screws...
July 22, 2017: Knee
https://www.readbyqxmd.com/read/28734716/short-term-clinical-outcome-of-an-anatomic-short-stem-humeral-component-in-total-shoulder-arthroplasty
#3
Anthony A Romeo, Robert J Thorsness, Shelby A Sumner, Reuben Gobezie, Evan S Lederman, Patrick J Denard
BACKGROUND: Short-stem press-fit humeral components have recently been developed in an effort to preserve bone in total shoulder arthroplasty (TSA), but few studies have reported outcomes of these devices. The purpose of this study was to evaluate the short-term clinical outcomes of an anatomic short-stem humeral component in TSA. We hypothesized that the implant would lead to significant functional improvement with low rates of radiographic loosening. METHODS: A multicenter retrospective review was performed of TSAs using an anatomic short-stem humeral component (Apex; Arthrex, Inc...
July 19, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28706813/all-inside-bicruciate-ligament-reconstruction-technique-a-focus-on-graft-tensioning-sequence
#4
Mathieu Thaunat, Gilles Clowez, Colin G Murphy, Antoine Desseaux, Tales Guimaraes, Jean Marie Fayard, Bertrand Sonnery-Cottet
Bicruciate ligament (BCL) reconstructions are challenging procedures. One of the main operative goals is to stabilize the knee in the correct anterior-posterior position. We present an all-inside arthroscopic BCL reconstruction technique using hamstring tendon grafts. Ipsilateral semitendinosus (ST) and gracilis tendons are used for TriLink (Arthrex, Naples, FL) double-bundle posterior cruciate ligament (PCL) reconstruction and contralateral ST tendon is used for GraftLink (Arthrex) single-bundle anterior cruciate ligament (ACL) reconstruction...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28627315/bioabsorbable-fixation-screw-for-proximal-interphalangeal-arthrodesis-of-lesser-toe-deformities
#5
Jascha Armin Wendelstein, Peter Goger, Peter Bock, Reinhard Schuh, Priv Doz, Hans-Jörg Trnka
BACKGROUND: Although standard fixation of proximal interphalangeal (PIP) arthrodesis by K-wire is relatively inexpensive and well established, it does have some drawbacks, making newer fixation devices interesting. The aim of this study was to clinically and radiologically assess the operative correction of the lesser toe deformation in the form of a PIP arthrodesis using a bioabsorbable 2.7-mm fixation screw. METHODS: From January 2011 until October 2013, 34 patients underwent a PIP arthrodesis using the TRIM-IT (Arthrex) 2...
June 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28580261/all-arthroscopic-coracoclavicular-ligament-reconstruction-surgical-technique-using-a-semitendinosus-allograft-and-tenodesis-screws
#6
Xinning Li, Anand Padmanabha, Justin Koh, Antonio Cusano
Acromioclavicular joint injuries account for 9% of shoulder girdle injuries and are most often associated with direct blows to the shoulder or axially directed forces onto the ipsilateral extremity. Type IV, V, and VI injuries are generally managed surgically, whereas type I and II injuries are treated with sling immobilization, early shoulder range of motion, and physical therapy. Type III injuries are more controversial but are generally managed surgically in the active and high-demand patient. When surgical treatment is indicated, the primary goal of a coracoclavicular (CC) ligament reconstruction is to restore anatomic reduction of the acromioclavicular joint and reconstruct the biomechanical forces of the CC ligaments...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28566788/patellar-tendon-re-rupture-on-the-opposite-end-of-the-previous-site-of-surgical-repair
#7
Bryan Thean Howe Koh, Andrew A Sayampanathan, Keng Thiam Lee
We describe a rare case of a patellar tendon "re-rupture" at the opposite end of a previous proximal tendon repair. A 32-year-old male with a history of surgically repaired right proximal patellar tendon rupture presented with an acute non-traumatic right knee pain and instability during sports. Magnetic resonance imaging confirmed a complete rupture of his distal patellar tendon at the tibial tuberosity. The patellar tendon was repaired using two 5.5 mm BioCorkscrews (Arthrex) inserted into the tibial tuberosity; the tendon was stitched with the No...
May 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28451619/tape-versus-suture-in-arthroscopic-rotator-cuff-repair-biomechanical-analysis-and-assessment-of-failure-rates-at-6-months
#8
Rui Wen Liu, Patrick Hong Lam, Henry M Shepherd, George A C Murrell
BACKGROUND: Rotator cuff retears after surgical repair are associated with poorer subjective and objectives clinical outcomes than intact repairs. PURPOSE: The aims of this study were to (1) examine the biomechanical differences between rotator cuff repair using No. 2 suture and tape in an ovine model and (2) compare early clinical outcomes between patients who had rotator cuff repair with tape and patients who had repair with No. 2 suture. STUDY DESIGN: Controlled laboratory study and cohort study; Level of evidence, 3...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28409108/hamstring-graft-biological-preparation-for-anterior-cruciate-ligament-reconstruction
#9
Nuno Camelo Barbosa, Francisco Guerra-Pinto, Claudia Cabeleira, Pedro Beja da Costa
The all-inside anterior cruciate ligament reconstruction (ACLR) success depends on biologic integration of the graft in the bone tunnel. Sutures wrapping the tendon in the bone tunnel may affect tendon-bone healing in shorter bone tunnels. To achieve better graft integration, we propose a variation of the graft link suture technique wherein the graft is linked chain-like to the femoral and tibial TightRope (Arthrex), which increases the tendon-bone contact area by eliminating sutures from the noose of the graft and thus may allow better graft integration...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28373939/the-double-bankart-bridge-a-technique-for-restoration-of-the-labral-footprint-in-arthroscopic-shoulder-instability-repair
#10
Mohamed Aboalata, Abdelsamie Halawa, Yehia Basyoni
It has been proved by many researchers in the last few years that arthroscopic capsulolabral repair is an efficient method for surgical management of anteroinferior shoulder instability. Different arthroscopic techniques using different fixation devices and constructs have been described in the literature, but the suture anchors were the most used implants to shift the inferiorly displaced capsulolabral complex and fix it to the glenoid. In the majority of these techniques, the anchors concentrate the load at specific points (e...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28372966/palmaris-longus-tendon-graft-versus-modified-weaver-dunn-procedure-via-dynamic-button-system-for-acromioclavicular-joint-reconstruction-in-chronic-cases
#11
Baris Kocaoglu, Tekin Kerem Ulku, Arel Gereli, Mustafa Karahan, Metin Türkmen
BACKGROUND: The hypothesis of this clinical study was that coracoclavicular (CC) reconstruction using autogenic palmaris longus graft through the GraftRope (PLG) system (Arthrex, Inc., Naples, FL, USA) would provide superior clinical and radiologic results compared with modified Weaver-Dunn procedure with the dynamic TightRope (Arthrex, Inc.) system (WDT). METHODS: Between 2008 and 2013, 32 patients (average age, 39.7 years; range, 22-60 years) underwent surgical reconstruction of chronic acromioclavicular (AC) joint dislocation...
March 31, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28269759/effects-of-different-concentrations-of-platelet-rich-plasma-and-platelet-poor-plasma-on-vitality-and-differentiation-of-autologous-adipose-tissue-derived-stem-cells
#12
Oliver Felthaus, Lukas Prantl, Mona Skaff-Schwarze, Silvan Klein, Alexandra Anker, Marco Ranieri, Britta Kuehlmann
BACKGROUND: Autologous fat grafts and adipose-derived stem cells (ASCs) can be used to treat soft tissue defects. However, the results are inconsistent and sometimes comprise tissue resorption and necrosis. This might be due to insufficient vascularization. Platelet-rich plasma (PRP) is a source of concentrated autologous platelets. The growth factors and cytokines released by platelets can facilitate angiogenesis. The simultaneous use of PRP might improve the regeneration potential of fat grafts...
2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28257677/acute-rupture-open-repair-techniques
#13
REVIEW
Robert D Santrock, Andrew J Friedmann, Andrew E Hanselman
Achilles tendon injuries can be serious injuries requiring either operative or nonoperative management. For appropriate surgical candidates, operative intervention may provide lower rerupture rates and adequate end-to-end tendon healing. Our preference is an open Achilles tendon repair, specifically a limited open technique using the PARS device (Arthrex, Naples, FL). Postoperatively, we use functional rehabilitation and early range of motion. Although the current literature remains controversial regarding operative versus nonoperative management, the authors have obtained satisfactory results in appropriately chosen surgical candidates...
April 2017: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/28224069/allograft-anterior-cruciate-ligament-reconstruction-utilizing-internal-brace-augmentation
#14
Patrick A Smith, Jordan A Bley
Anterior cruciate ligament (ACL) tears are among the most common sports-related injuries. Although studies have reported reliable outcomes with allograft tissue, several studies have shown a higher failure rate in younger patients. Although ACL graft augmentation has been met with varying levels of success, internal bracing of an allograft represents a promising area in ACL reconstruction. The purpose of this article is to detail allograft preparation involving a collagen-coated, ultrahigh-molecular-weight polyethylene/polyester suture tape as an internal brace augmentation for ACL reconstruction using the all-inside ACL GraftLink Technique (Arthrex, Naples, FL)...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28216604/evaluation-of-not-activated-and-activated-prp-in-hair-loss-treatment-role-of-growth-factor-and-cytokine-concentrations-obtained-by-different-collection-systems
#15
Pietro Gentile, John P Cole, Megan A Cole, Simone Garcovich, Alessandra Bielli, Maria Giovanna Scioli, Augusto Orlandi, Chiara Insalaco, Valerio Cervelli
Platelet rich plasma (PRP) was tested as a potential therapy for androgenetic alopecia (AGA) through two different clinical protocols in which one population (18 participants) received half-head treatment with autologous non-activated PRP (A-PRP) produced by CPunT Preparation System (Biomed Device, Modena, Italy) and the other half-head with placebo, and a second separated population in which all participants (n = 6, 3 participants per group) received treatment with calcium-activated PRP (AA-PRP) produced from one of two different PRP collection devices (Regen Blood Cell Therapy or Arthrex Angel System)...
February 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28167878/commercial-separation-systems-designed-for-preparation-of-platelet-rich-plasma-yield-differences-in-cellular-composition
#16
Ryan M Degen, Johnathan A Bernard, Kristin S Oliver, Joshua S Dines
BACKGROUND: The role of platelet-rich plasma (PRP) in the treatment of sport-related injuries is unclear, largely due to the heterogeneity of clinical results. This may relate to compositional differences in PRP from different separation systems. QUESTIONS/PURPOSES: This study aims to compare the composition of PRP produced with five different commercially available systems, focusing on cellular concentrations and pH. METHODS: Seven donors (41 ± 12 years) provided blood for PRP preparation using five systems (Arthrex Angel, Emcyte Genesis CS, Arteriocyte Magellan, Harvest SmartPrep, and Biomet GPS III)...
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28155835/comparison-analysis-of-autologous-conditioned-plasma
#17
Radosław Lebiedziński, Andrzej Borowski, Marek Synder, Andrzej Grzegorzewski, Marek Marciniak
BACKGROUND: Autologous Conditioned Plasma (ACP) has a wide range of potential uses in modern orthopaedics. The aim of this study was to examine the characteristics of proprietary ACP and compare them with those of ACP produced using a commercially available kit. MATERIAL AND METHODS: In the hospital laboratory, 20 samples of ACP taken from patients and prepared according to the commercially available kit protocol with a double syringe system were compared with 40 ACP preparations made using disposable sterile equipment available in the hospital...
November 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28149713/arthroscopic-iliac-crest-bone-block-for-reconstruction-of-the-glenoid-a-fixation-technique-using-an-adjustable-length-loop-cortical-suspensory-fixation-device
#18
Socrates Kalogrianitis, Vasileios Tsouparopoulos
Recurrent anterior shoulder instability with significant bone loss represents a surgical challenge. Anterior bone block procedures including variations of the Latarjet coracoid transfer have been used in this setting. Bone graft resorption with prominence of the metalwork is a serious concern, whereas the relative contribution of the dynamic sling effect of a Latarjet procedure is still controversial. We describe an arthroscopic technique for anatomic reconstruction of anterior glenoid bone defects using autologous iliac crest graft...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28074301/tightrope-fixation-of-syndesmotic-injuries-in-weber-c-ankle-fractures-a-multicentre-case-series
#19
Amarjit Anand, Ran Wei, Akash Patel, Vikas Vedi, Garth Allardice, Bobby Singh Anand
BACKGROUND: No general consensus has yet been established for the gold standard treatment of ankle syndesmotic complex injuries. Recent literature has documented the success of ankle tightrope fixation for heterogeneous ankle fracture patterns, resulting in syndesmotic complex injuries. We present a multicentre case series assessing the clinical, radiological and functional outcomes of patients with Weber C ankle fractures treated with the Arthrex TightRope(®) fixation system. METHOD: We performed a retrospective analysis of all adult patients with Weber C ankle fractures who were treated with the Arthrex TightRope(®) fixation system at four centres over a 3-year period...
May 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28072901/achilles-tendon-repair-using-the-internalbrace%C3%A2-principle
#20
Graeme P Hopper, Gordon M Mackay
Despite extensive research, the management of acute ruptures of the Achilles tendon remains an area of controversy, and there is no consensus regarding the optimal treatment. An InternalBrace™ (Arthrex, Inc., Naples, Florida) is a ligament augmentation repair using high strength sutures/tape and knotless bone anchors which encourages healing and allows early mobilization. This article describes, with video illustration, a knotless Achilles tendon repair technique using the InternalBrace™ principle.
January 10, 2017: Surgical Technology International
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