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Maulik Jagdish Gandhi, Timothy Paul Knight, Peter John Ratcliffe
BACKGROUND: Multiple reconstruction techniques have been described in the management of chronic scapholunate (SL) instability, either based on the capsulodesis or tenodesis principle. It is uncertain which surgical method produces the best patient outcomes. We describe results of a technique using palmaris longus (PL) tendon for surgical reconstruction of the SL ligament and provide functional outcomes scores. MATERIALS AND METHODS: We surgically reconstructed the SL ligament using a PL tendon graft secured with Mitek(®) bone anchors...
November 2016: Indian Journal of Orthopaedics
Essam Ahmed Al-Moraissi, Larry M Wolford
PURPOSE: This study was designed to determine the stability of counterclockwise rotation (CCWR) of the maxillomandibular complex (MMC) in orthognathic surgery with or without surgical correction of coexisting temporomandibular joint (TMJ) pathology. MATERIALS AND METHODS: The authors implemented a systematic review and meta-analysis. A search of major databases through PubMed, EMBASE, and Cochrane CENTRAL was performed. Inclusion criteria were studies that analyzed CCWR of the MMC in regard to skeletal stability after orthognathic surgery in patients with or without pre-existing TMJ pathology that was or was not surgically corrected concomitantly...
November 4, 2016: Journal of Oral and Maxillofacial Surgery
Anna Stachurska, Teodora Król, Wojciech Trybus, Karol Szary, Jadwiga Fabijańska-Mitek
Since the erythrophagocytosis of opsonized erythrocytes is investigated mainly by calculating the phagocytic index using subjective light microscopy evaluation, we present methods for the quantitative and qualitative analysis of human cell erythrophagocytosis. Erythrocytes from two storage periods were used. Using Imaris software, we were able to create a three-dimensional model of erythrophagocytosis. The use of microscopy instead of cytometry revealed a significantly higher number of monocytes and erythrocytes that appeared active in phagocytosis...
November 2016: Cell Biology International
Marco Ezechieli, Hanna Meyer, Arne Lucas, Patrick Helmecke, Christoph Becher, Tilman Calliess, Henning Windhagen, Max Ettinger
Magnesium-based interference screws may be an alternative in anterior/posterior cruciate ligament reconstruction. The well-known osteoconductive effects of biodegradable magnesium alloys may be useful. It was the purpose of this study to evaluate the biomechanical properties of a magnesium based interference screw and compare it to a standard implant. A MgYREZr-alloy interference screw and a standard implant (Milagro®; De Puy Mitek, Raynham, MA, USA) were used for graft fixation. Specimens were placed into a tensile loading fixation of a servohydraulic testing machine...
June 27, 2016: Orthopedic Reviews
A Gielezynska, A Stachurska, J Fabijanska-Mitek, M Debska, K Muzyka, E Kraszewska
INTRODUCTION: In various countries, standard doses of anti-D IgG used for postpartum immunoprophylaxis of hemolytic disease of fetus and newborn (HDFN) vary from 100 μg to 300 μg. There are also different regulations concerning FMH assessment, and opinions about applicable tests are inconclusive. METHODS: Three flow cytometry tests (FCTs) with anti-D, anti-HbF, anti-HbF+CA antibodies, and two modifications of microscopic Kleihauer-Betke test (KBT) were used. RESULTS: In all artificial mixtures with known concentrations, FCTs and KBT with counting 10 000 RBCs had similar satisfying sensitivity and specificity...
August 2016: International Journal of Laboratory Hematology
Hyuma A Leland, David A Kulber
BACKGROUND: Abdominal bulge after retroperitoneal dissection occurs at a rate of 1% to 56%. Injury to the T11 and T12 nerves is thought to result in abdominal musculature denervation, laxity, and symptomatic abdominal bulge. This complication has become more prevalent because the retroperitoneal approach for spinal surgery has become the preferred approach in specific lumbar and thoracic cases. Current repair techniques fail to address the etiology of abdominal wall laxity, and outcomes are poorly reported...
May 2016: Annals of Plastic Surgery
James R White, Grant S Hamilton
The nasal valve has long been described as the anatomical boundary most likely to inhibit nasal airflow and lead to subsequent nasal obstruction. Although many procedures can address this area to improve the nasal airway, for over 20 years, suture lateralization of the external nasal valve has been described as a minimally invasive technique that can improve nasal breathing. We report our modification of the standard technique in which we lateralize the placement of the bone-anchored suture and incorporate Gore-Tex within the nasal vestibular incision to prevent tissue migration...
February 2016: Facial Plastic Surgery: FPS
M Ettinger, T Werner-Lebeda, T Calliess, M Omar, C Becher, M Ezechieli, M Klintschar, M Petri
PURPOSE: This cadaveric study compares the biomechanical properties of femoral graft fixation in ACL reconstruction of either quadriceps or hamstring tendon grafts with four different interference screws. The hypothesis was that quadriceps tendon grafts provide at least equal results concerning gap formation during cyclic loading and ultimate failure load compared to hamstring tendon grafts with four different interference screws. METHODS: Eighty porcine femora underwent interference screw fixation of human tendon grafts for ACL reconstruction...
January 27, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Trevor R Born, Alison M Biercevicz, Sarath C Koruprolu, David Paller, Dave Spenciner, Paul D Fadale
PURPOSE: To evaluate and compare two adjustable femoral cortical suspensory fixation devices used for anterior cruciate ligament reconstruction through a novel, direct computed tomography (CT) analysis metric and biomechanical laxity testing in a matched cadaveric human knee study. METHODS: Anterior cruciate ligament reconstructions with bovine tendon grafts were performed using two adjustable femoral cortical suspensory fixation devices (RigidLoop Adjustable [DePuy Synthes Mitek, Raynham, MA] and TightRope [Arthrex, Naples, FL]) in 12 knees (6 matched pairs)...
February 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
Trevor P Bodine, Larry M Wolford, Eustaquio Araujo, Donald R Oliver, Peter H Buschang
BACKGROUND: The aim of this study was to better understand how surgical repositioning and stabilization of anteriorly displaced articular discs using the Mitek mini-anchor technique affects condylar growth in growing patients with adolescent internal condylar resorption (AICR). METHODS: Twenty-two adolescent patients diagnosed with AICR and anterior temporomandibular disc displacement were compared to untreated control subjects without AICR matched for age, sex, and Angle classification...
2016: Progress in Orthodontics
Patrick G Marinello, Timothy Wagner, Joseph Styron, Steven Maschke, Peter J Evans
We present a modification and revisit of the Bell Tawse technique for annular ligament reconstruction with triceps autograft for chronic radial head instability. In patients with instability stemming from an incompetent annular ligament, this technique has proved successful to restore stability to the proximal radial capitellar joint as an augment after ensuring normal boney anatomy. Through a lateral Kocher approach, an approximately 10 cm × 4 mm strip of lateral triceps tendon is harvested as a free graft for the reconstruction...
March 2016: Techniques in Hand & Upper Extremity Surgery
Alena Kulyapina, Jose Ignacio Salmeron Escobar
No abstract text is available yet for this article.
July 2015: Journal of Cutaneous and Aesthetic Surgery
Matthew R Lewington, Nathan Urquhart, Ivan H Wong
Shoulder instability can be a challenging condition to treat when it becomes refractory to soft-tissue procedures or when bone loss exceeds 25% to 27% of the glenoid. The Bristow-Latarjet procedure has been developed and popularized to deal with these concerns. Traditionally, the procedure has been performed as an open approach; however, this has been recently supplanted by novel arthroscopic techniques. We present a technique for the procedure performed with the patient in a semi-lateral decubitus position that assists with optimal graft placement on the native glenoid...
June 2015: Arthroscopy Techniques
Meghan Pasquali, Matthew J Plante, Keith O Monchik, David B Spenciner
PURPOSE: Adjustable cortical fixation has gained popularity recently for ACL reconstruction; however, one concern with these types of devices is the potential for laxity occurring post-operatively. An indicator of clinical laxity is cyclic displacement during bench-top mechanical testing. The hypothesis was that the cyclic displacement and maximum strength of different adjustable buttons currently on the market would vary depending on their mechanism of fixation. METHODS: Three devices were studied: Biomet's ToggleLoc with ZipLoop Technology (ZL), Arthrex's TightRope RT (TR), and DePuy Mitek's RIGIDLOOP Adjustable (RLA)...
July 22, 2015: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Laurel J Blair, Tiffany C Cox, Ciara R Huntington, Samuel W Ross, Jeffrey S Kneisl, Vedra A Augenstein, B Todd Heniford
Suprapubic hernias, parailiac or flank hernias, and lumbar hernias are difficult to repair and are associated with high-recurrence rates owing to difficulty in obtaining substantive overlap and especially mesh fixation due to bone being a margin of the hernia. Orthopedic suture anchors used for ligament reconstruction have been used to attach prosthetic material to bony surfaces and can be used in the repair of these hernias where suture fixation was impossible. A prospective, single institution study of ventral hernia repairs involving bone anchor mesh fixation was performed...
July 2015: American Surgeon
Myung-Sun Kim, Dong Whan Kim, Young Eun Choi, Larry Bachman, Sae Hoon Kim
PURPOSE: To determine the effect of tendon thickness on the needle penetration ability of four different designs of antegrade suture passers. MATERIALS AND METHODS: Four antegrade suture passers were tested: (a) ExpresSew II (Depuy Mitek Inc., Raynham, MA), (b) Arthrex Scorpion (Arthrex, Naples, FL), (c) Concept (Linvatec Corp, Largo, FL), and (d) ElitePass (Smith and Nephew Endoscopy, Andover, MA). Bovine tendons were divided into five thickness groups: 3, 5, 7, 9 and 11 mm...
April 2015: International Journal of Shoulder Surgery
Mike Jr Kent, Claire Harding, Sean Walsh
We describe a case of a delayed presentation of a traumatic soft tissue mallet injury to the distal phalanx of the hallux in a teenager. Reports of this rare injury are sparse and there is no consensus in their treatment. This injury was treated with open repair of the tendon using a Mitek suture anchor, and stabilization with a 1.2-mm K-wire and extension splinting for 8 weeks. Following this treatment, she regained full power and a range of movement compared with the contralateral side, and achieved full function...
2015: Journal of Surgical Case Reports
Brian P Scannell, Bryan J Loeffler, Michael Hoenig, Richard D Peindl, Donald F D'Alessandro, Patrick M Connor, James E Fleischli
We conducted a study to biomechanically compare 4 tibial hamstring tendon fixation devices commonly used in anterior cruciate ligament reconstruction. Quadrupled human semitendinosus-gracilis tendon grafts were fixed into porcine tibias using 4 separate fixation devices. For each device, 10 specimens were tested (1500-cycle loading test at 50-200 N). Specimens surviving the cyclic loading then underwent a single load-to-failure test. Failure mode, stiffness, ultimate load, and residual displacement were recorded...
February 2015: American Journal of Orthopedics
Yan Zhou, Shiqing Liu, Ling Yu, Qi Liao, Tao Huang, Zhao Qi, Chun Zhang
OBJECTIVE: To investigate the effectiveness of Kirschner wire fixation in scapholunate joint, capitolunate joint, and lunotriquetral joint combined with bone anchor repair for the treatment of acute perilunate injury. METHODS: Between January 2007 and January 2012, 35 cases of acute perilunate injury were treated. There were 30 males and 5 females with an average age of 45.5 years (range, 32-56 years). Fractures were caused by falling from height in 18 cases, by traffic accident in 11 cases, and by fall injury in 4 cases...
September 2014: Chinese Journal of Reparative and Reconstructive Surgery
Zoran Marij Arnež, Federico Cesare Novati, Vittorio Ramella, Giovanni Papa, Matteo Biasotto, Annalisa Gatto, Pierluigi Bonini, Margherita Tofanelli, Giancarlo Tirelli
PURPOSE: The use of suture anchors has been described in orthopedic, hand, oculoplastic, temporomandibular joint and in aesthetic surgery, but no study reports the use of the Mitek® anchors (Depuy Mitek Surgical Products, Inc. Raynham, Massachusetts) for fixing the free flaps used in oncologic oral and oropharyngeal reconstruction. MATERIALS AND METHODS: In this prospective non-randomized study, 9 patients underwent surgical resection of oral or oropharyngeal cancer followed by a free flap reconstruction; mini anchors were used to fix the flap directly to the bone...
March 2015: American Journal of Otolaryngology
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