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https://www.readbyqxmd.com/read/28527190/tight-medial-knot-tying-may-increase-retearing-risk-after-transosseous-equivalent-repair-of-rotator-cuff-tendon
#1
Hirotaka Sano, Masako Tokunaga, Moriyuki Noguchi, Takashi Inawashiro, Taichi Irie, Hiroo Abe, A Toshimitsu Yokobori
BACKGROUND: Retearing mechanism after transosseous equivalent (TOE) rotator cuff repair has not been fully clarified yet. OBJECTIVE: The purposes of this study were to compare the stress distribution pattern in the tendon stump between knotted and knotless TOE repair and to investigate the role of suture tension applied during medial knot tying using a 3-dimensional finite element (3D-FE) method. METHODS: Both knotted and knotless TOE repairs were simulated on the 3D-FE human rotator cuff tear model...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28526996/improved-outcomes-with-arthroscopic-repair-of-partial-thickness-rotator-cuff-tears-a-systematic-review
#2
J Christoph Katthagen, Gabriella Bucci, Gilbert Moatshe, Dimitri S Tahal, Peter J Millett
PURPOSE: The optimum treatment strategy for the surgical management of partial-thickness rotator cuff tears (PTRCT) is evolving. In this study, two research questions were sought to be answered: "Does the repair technique for PTRCTs involving >50% of the tendon thickness have an effect on structural and functional outcomes of arthroscopic repair?" and "Is there a difference in outcomes of arthroscopically treated articular- and bursal-sided PTRCTs?". METHODS: A systematic review according to the PRISMA statement was conducted to identify all literature published reporting on outcomes of arthroscopic treatment of PTRCTs classified with the Ellman classification with minimum 2-year follow-up...
May 19, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28520458/anchored-transosseous-equivalent-versus-anchorless-transosseous-rotator-cuff-repair-a-biomechanical-analysis-in-a-cadaveric-model
#3
Kelly G Kilcoyne, Stanley G Guillaume, Catherine V Hannan, Evan R Langdale, Stephen M Belkoff, Uma Srikumaran
BACKGROUND: The original approach for the repair of torn rotator cuffs involved an open technique with sutures passing through the greater tuberosity and tendon. The development of suture anchors allowed for an all-arthroscopic approach with anchor configurations attempting to re-create a transosseous fixation pattern. Presently, an arthroscopic approach can be combined with a transosseous suture configuration without using anchors. PURPOSE: To evaluate cyclic loading, ultimate load to failure, and the failure mechanisms of transosseous-equivalent (TOE) repair with anchors and anchorless transosseous (AT) repair of rotator cuff tears...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28514698/clinical-outcomes-and-frontal-plane-two-dimensional-biomechanics-during-the-30-second-single-leg-stance-test-in-patients-before-and-after-hip-abductor-tendon-reconstructive-surgery
#4
Rose E Huxtable, Timothy R Ackland, Gregory C Janes, Jay R Ebert
BACKGROUND: Hip abductor tendon tears are a common cause of Greater Trochanteric Pain Syndrome. Conservative treatments are often ineffective and surgical reconstruction may be recommended. This study investigated the improvement in clinical outcomes and frontal plane two-dimensional biomechanics during a 30-second single leg stance test, in patients undergoing reconstruction. We hypothesized that clinical scores and pertinent biomechanical variables would significantly improve post-surgery, and these outcomes would be significantly correlated...
May 10, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28514131/-treatment-of-achilles-tendon-ruptures
#5
Lior Laver, Viktor Feldman, Ezequiel Palmanovich, Eyal Yaacobi, Niv Marom, Omer Mei-Dan
Achilles tendon ruptures cause considerable morbidity and functionality reduction. There is lack of consensus regarding the best option for treatment following acute Achilles tendon rupture. Recent studies have failed to show substantial difference in outcome following conservative or operative treatment using an early active rehabilitation program. Meta-analyses have shown that conservative management has increased the risk of re-rupture, whereas operative intervention carries risks of complications related to the wound and iatrogenic nerve injury...
July 2016: Harefuah
https://www.readbyqxmd.com/read/28509826/sclerostin-antibody-treatment-enhances-rotator-cuff-tendon-to-bone-healing-in-an-animal-model
#6
Shivam A Shah, Ioannis Kormpakis, Necat Havlioglu, Michael S Ominsky, Leesa M Galatz, Stavros Thomopoulos
BACKGROUND: Rotator cuff tears are a common source of pain and disability, and poor healing after repair leads to high retear rates. Bone loss in the humeral head before and after repair has been associated with poor healing. The purpose of the current study was to mitigate bone loss near the repaired cuff and improve healing outcomes. METHODS: Sclerostin antibody (Scl-Ab) treatment, previously shown to increase bone formation and strength in the setting of osteoporosis, was used in the current study to address bone loss and enhance rotator cuff healing in an animal model...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28495576/quantitative-assessment-of-fatty-infiltration-and-muscle-volume-of-the-rotator-cuff-muscles-using-3-dimensional-2-point-dixon-magnetic-resonance-imaging
#7
Noboru Matsumura, Sota Oguro, Shigeo Okuda, Masahiro Jinzaki, Morio Matsumoto, Masaya Nakamura, Takeo Nagura
BACKGROUND: In patients with rotator cuff tears, muscle degeneration is known to be a predictor of irreparable tears and poor outcomes after surgical repair. Fatty infiltration and volume of the whole muscles constituting the rotator cuff were quantitatively assessed using 3-dimensional 2-point Dixon magnetic resonance imaging. METHODS: Ten shoulders with a partial-thickness tear, 10 shoulders with an isolated supraspinatus tear, and 10 shoulders with a massive tear involving supraspinatus and infraspinatus were compared with 10 control shoulders after matching age and sex...
May 8, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28486089/gout-can-increase-the-risk-of-receiving-rotator-cuff-tear-repair-surgery
#8
Shih-Wei Huang, Chin-Wen Wu, Li-Fong Lin, Tsan-Hon Liou, Hui-Wen Lin
BACKGROUND: Gout commonly involves joint inflammation, and clinical epidemiological studies on involved tendons are scant. Rotator cuff tears are the most common cause of shoulder disability, and surgery is one of the choices often adopted to regain previous function. PURPOSE: To investigate the risk of receiving rotator cuff repair surgery among patients with gout and to analyze possible risk factors to design an effective prevention strategy. STUDY DESIGN: Cohort study; Level of evidence, 3...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28470887/rotator-cuff-muscle-degeneration-and-tear-severity-related-to-myogenic-adipogenic-and-atrophy-genes-in-human-muscle
#9
Shivam A Shah, Ioannis Kormpakis, Leonardo Cavinatto, Megan L Killian, Stavros Thomopoulos, Leesa M Galatz
Large rotator cuff tear size and advanced muscle degeneration can affect reparability of tears and compromise tendon healing. Clinicians often rely on direct measures of rotator cuff tear size and muscle degeneration from magnetic resonance imaging (MRI) to determine whether the rotator cuff tear is repairable. The objective of this study was to identify the relationship between gene expression changes in rotator cuff muscle degeneration to standard data available to clinicians. Radiographic assessment of preoperative rotator cuff tear severity was completed for 25 patients with varying magnitudes of rotator cuff tears...
May 4, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28470564/-refixation-of-the-biceps-tendon-onto-the-radial-tuberosity-using-two-suture-anchors
#10
C Konrads, K Rueckl, T Barthel, M Walcher, M Rudert, P Plumhoff
OBJECTIVE: Reinsertion of the distal biceps tendon onto the radial tuberosity restoring full force of flexion and supination. INDICATIONS: Distal biceps tendon avulsion from the radial tuberosity. Acute and chronic tears with a tendon stump, which can be mobilized and reduced to the radial tuberosity in flexion and supination. CONTRAINDICATIONS: Tears of the musculotendinous junction. Chronic distal biceps tendon tears with wide retraction and the need for tendon graft augmentation...
May 3, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28467340/pectoralis-major-tendon-rupture-in-a-weight-lifter-a-rare-case
#11
Alessio Pedrazzini, Massimo Banchi, Nicola Bertoni, Bianca Pedrabissi, Henry Claudel Yewo Simo, Vanni Medina, Pietro Bonassi, Silvio Tocco, Francesco Pogliacomi
Pectoralis major tendon (PMT) rupture is a rare event, and it was originally described by Patisser in 1822. The PMT is a thick lamina, which has two origins, one from the clavicle and the other from the ribcage sternum. PMT lesions are classified according to 3 levels of severity: Type 1 is contusions and strains, Type 2 is a partial tear and Type 3 is a complete tear. Diagnosis is made through a clinical examination which comprises a positive response to pain upon pressure over the axilla recess, the presence of bruising and limited motion, and is completed with an MRI...
April 28, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28461963/distal-biceps-tendon-injuries-a-clinically-relevant-current-concepts-review
#12
Eduard Alentorn-Geli, Andrew T Assenmacher, Joaquín Sánchez-Sotelo
Distal biceps tendon (DBT) conditions comprise a spectrum of disorders including bicipitoradial bursitis, partial tears, acute and chronic complete tears.In low-demand patients with complete DBT tears, non-operative treatment may be entertained provided the patient understands the potential for residual weakness, particularly in forearm supination.Most acute tears are best treated by primary repair using either single-incision or double-incision techniques with good clinical outcomes.Single-incision techniques may carry a higher risk of nerve-related complications, whereas double-incision techniques have historically been considered to carry a higher risk of heterotopic ossification, particularly if the ulna is exposed...
September 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28461919/anterior-cruciate-ligament-reconstruction-principles-of-treatment
#13
REVIEW
Nikolaos K Paschos, Stephen M Howell
Anterior cruciate ligament (ACL) reconstruction is one of the most common procedures in sports medicine. Several areas of controversy exist in ACL tear management which have engaged surgeons and researchers in debates towards identifying an ideal approach for these patients.This instructional review discusses the principles of ACL reconstruction in an attempt to provide guidelines and initiate a critical thinking approach on the most common areas of controversy regarding ACL reconstruction.Using high-level evidence from the literature, as presented in randomised controlled trials, systematic reviews, and meta-analyses, operative versus conservative treatment, timing of surgery, and rehabilitation are discussed...
November 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28460192/proton-density-fat-fraction-of-rotator-cuff-muscles-is-associated-with-isometric-strength-10-years-after-rotator-cuff-repair-a-quantitative-magnetic-resonance-imaging-study-of-the-shoulder
#14
Dimitrios C Karampinos, Christian Holwein, Stefan Buchmann, Thomas Baum, Stefan Ruschke, Alexandra S Gersing, Reto Sutter, Andreas B Imhoff, Ernst J Rummeny, Pia M Jungmann
BACKGROUND: Quantitative muscle fat-fraction magnetic resonance (MR) imaging techniques correlate with semiquantitative Goutallier scores with failure after rotator cuff (RC) repair. PURPOSE: To investigate the relationship of proton density fat fraction (PDFF) of the RC muscles with semiquantitative MR scores, cartilage T2 relaxation times, and clinical isometric strength measurements in patients 10 years after unilateral RC repair. STUDY DESIGN: Cross-sectional study; Level of evidence, 3...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28451619/tape-versus-suture-in-arthroscopic-rotator-cuff-repair-biomechanical-analysis-and-assessment-of-failure-rates-at-6-months
#15
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/28451606/ultrasound-and-functional-assessment-of-transtendinous-repairs-of-partial-thickness-articular-sided-rotator-cuff-tears
#16
Roger V Ostrander, Jeffrey M Klauser, Sanjay Menon, Joshua G Hackel
BACKGROUND: Partial-thickness articular-sided rotator cuff tears are a frequent source of shoulder pain. Despite conservative measures, some patients continue to be symptomatic and require surgical management. However, there is some controversy as to which surgical approach results in the best outcomes for grade 3 tears. HYPOTHESIS/PURPOSE: The purpose of this study was to evaluate repair integrity and the clinical results of patients treated with transtendinous repair of high-grade partial-thickness articular-sided rotator cuff tears...
March 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28448728/does-an-injection-of-adipose-derived-mesenchymal-stem-cells-loaded-in-fibrin-glue-influence-rotator-cuff-repair-outcomes-a-clinical-and-magnetic-resonance-imaging-study
#17
Yong Sang Kim, Chang Hun Sung, Sung Hoon Chung, Sang Joon Kwak, Yong Gon Koh
BACKGROUND: The mesenchymal stem cell (MSC)-based tissue engineering approach has been developed to improve the treatment of rotator cuff tears. Hypothesis/Purpose: The purpose was to determine the effect of an injection of adipose-derived MSCs loaded in fibrin glue during arthroscopic rotator cuff repair on clinical outcomes and to evaluate its effect on structural integrity using magnetic resonance imaging (MRI). The hypothesis was that the application of adipose-derived MSCs would improve outcomes after the surgical repair of a rotator cuff tear...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28443250/pectoralis-major-tear-an-unusual-and-rare-presentation
#18
Vikram V Kadu, K A Saindane, Ninad Godghate, Neha Godghate
INTRODUCTION: The pectoralis major is a very powerful muscle that forms the chest prominence and. It moves the shoulder forward and across your chest. It is best known as the muscle that you develop with the bench press exercise in gymnasium. The pectoralis major attaches to the humerus bone and is divided into two parts. The upper part is known as the "clavicular head" and the lower part the "sternal head," based on their origins from the clavicle and sternal bones, respectively. Ruptures of the pectoralis major muscle are becoming more common due to the increase in power sports weight training...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28442457/a-pseudotumour-of-the-thigh-tensor-fasciae-latae-muscle-hypertrophy-due-to-an-underlying-abductor-tendon-tear
#19
Ruben Petrus Johannes Meijer, Jorrit Jasper, Barbara Snoeker, Joris Jansen
We present a patient with an asymptomatic unilateral swelling of the anterolateral thigh. MRI showed hypertrophy of the tensor fasciae latae muscle due to an underlying gluteus minimus tendon tear.Abductor tendon tears can present with swelling of the thigh due to secondary tensor fasciae latae muscle hypertrophy.
April 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28430716/simultaneous-multislice-accelerated-turbo-spin-echo-magnetic-resonance-imaging-comparison-and-combination-with-in-plane-parallel-imaging-acceleration-for-high-resolution-magnetic-resonance-imaging-of-the-knee
#20
Jan Fritz, Benjamin Fritz, Jialu Zhang, Gaurav K Thawait, Dharmdev H Joshi, Li Pan, Dingxin Wang
PURPOSE: We prospectively quantified the signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) of integrated parallel acquisition technique (PAT) and simultaneous multislice (SMS) acceleration and various combinations thereof, and we further compared two 4-fold-accelerated (PAT2-SMS2) high-resolution turbo spin echo (TSE) magnetic resonance imaging (MRI) protocols of the knee against a clinical 2-fold-accelerated (PAT2-SMS1) TSE standard. MATERIALS AND METHODS: Institutional review board approval was obtained, and all subjects gave informed consent...
April 20, 2017: Investigative Radiology
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