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https://www.readbyqxmd.com/read/29792785/two-cases-of-combined-patellar-tendon-avulsion-from-the-tibia-and-patella
#1
Viachaslau Bradko, William T Stoll, Lee S Haruno, Scott B Rosenfeld, Scott D McKay
Avulsion fractures of the inferior pole of the patella and proximal tibial apophysis are independently rare injuries. They occur in children due to the relative weakness of the apophyseal cartilage compared to the ligaments and tendons. The combination of these two fractures, is exceedingly rare, with only a few previously described cases in the literature. Due to the infrequent presentation of this injury, careful examination and consideration of advanced imaging is important for diagnosis and preoperative planning...
2018: SICOT-J
https://www.readbyqxmd.com/read/29792745/postoperative-mri-of-massive-rotator-cuff-tears
#2
Mohammad Samim, Pamela Walsh, Soterios Gyftopoulos, Robert Meislin, Luis S Beltran
OBJECTIVE: The aim of this article is to review the postoperative MRI appearances of irreparable massive rotator cuff tears (RCTs) after surgery was performed using newer techniques, including patch repair, muscle tendon transfer, superior capsular reconstruction, and subacromial balloon implantation. CONCLUSION: Newer surgical techniques are emerging for the management of massive RCTs. As radiologists become increasingly likely to encounter postoperative imaging studies of RCTs repaired using these techniques, familiarity with the normal postoperative appearances and complications associated with these techniques becomes important...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792551/aponeurosis-influences-the-relationship-between-muscle-gearing-and-force
#3
Carolyn M Eng, Thomas J Roberts
Aponeuroses are connective tissues found on the surface of pennate muscles and are in close association with muscle fascicles. In addition to transmitting muscle forces to the external tendon, aponeurosis has been hypothesized to influence the direction of muscle shape change during a contraction. Muscle shape changes affect muscle contractile force and velocity because they influence the gear ratio with which muscle fascicles transmit force and velocity to the tendon. If aponeurosis modulates muscle shape changes, altering the aponeurosis' radial integrity with incisions should alter gearing...
May 24, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29792520/changes-in-the-neurovascular-anatomy-of-the-shoulder-after-an-open-latarjet-procedure-defining-a-surgical-safe-zone
#4
Christopher M LaPrade, Andrew S Bernhardson, Zachary S Aman, Gilbert Moatshe, Jorge Chahla, Grant J Dornan, Robert F LaPrade, Matthew T Provencher
BACKGROUND: Although previous literature has described the relevant anatomy for an open anterior Bankart approach of the shoulder, there is little known regarding the anatomic relationship changes in the neurovascular structures after an open Latarjet procedure. PURPOSE: To define the neurovascular anatomy of the native shoulder in relation to the coracoid and to define the anatomy after the Latarjet procedure in relation to the glenoid to determine distances to these neurovascular structures with and without neurolysis of the musculocutaneous nerve (MCN) from the conjoint tendon...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29792179/hopkins-syndrome-following-the-first-episode-of-bronchial-asthma-associated-with-enterovirus-d68-a-case-report
#5
Fumie Hayashi, Shintaro Hayashi, Dai Matsuse, Ryo Yamasaki, Keiji Yonekura, Jun-Ichi Kira
BACKGROUND: Hopkins syndrome (HS) is a rare disorder presenting with acute flaccid paralysis of the limbs following an asthma attack. Neurologists encounter a diagnostic challenge if patients without a history of bronchial asthma develop neurologic features mimicking HS following acute respiratory distress. We report a case of HS occurring after a first episode of bronchial asthma associated with enterovirus D68 infection. CASE PRESENTATION: A 5-year-old girl developed acute respiratory distress...
May 23, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29792104/association-of-hip-and-foot-factors-with-patellar-tendinopathy-jumper-s-knee-in-athletes
#6
Luciana D Mendonça, Juliana M Ocarino, Natália F N Bittencourt, Luciana G Macedo, Sérgio T Fonseca
Study Design Clinical measurement, cross-sectional. Background Investigations on the causes of patellar tendinopathy (PT) should consider impairments at the hip and foot/ankle since they are known to influence movement patterns and affect patellar tendon loading. Objectives To investigate, by means of CART analysis, impairments of the hip and foot/ankle that are associated with PT in volleyball and basketball athletes. Methods One-hundred and ninety athletes were assessed for impairments of the hip and foot/ankle including: shank-forefoot alignment (SFA), ankle dorsiflexion range of motion (DF ROM), iliotibial band flexibility, passive hip internal rotation (IR) ROM, and hip external rotator (ER) and hip abductor isometric strength...
May 23, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29791955/muscle-tendon-enthesis-unit
#7
Anthony S Tadros, Brady K Huang, Mini N Pathria
Injuries to the muscle-tendon-enthesis unit are common and a significant source of pain and loss of function. This article focuses on the important anatomical and biomechanical considerations for each component of the muscle-tendon-enthesis unit. We review normal and pathologic conditions affecting this unit, illustrating the imaging appearance of common disorders on magnetic resonance imaging and ultrasound. Knowledge of the anatomy and biomechanics of these structures is crucial for the radiologist to make accurate diagnoses and provide clinically relevant assessments...
July 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29791927/treatment-outcome-of-reconstruction-for-isolated-posterior-cruciate-injury-subjective-and-objective-evaluations
#8
Satoshi Ochiai, Tetsuo Hagino, Shinya Senga, Takashi Yamashita, Hirotaka Haro
There is no consensus regarding the treatment method and outcome of posterior cruciate ligament (PCL) injury. We hypothesized that although the outcome of PCL reconstruction was favorable in terms of knee stability, the outcome was unsatisfactory in terms of patient-based assessments. The purpose of this study is to evaluate the treatment outcomes of knees that underwent reconstruction for PCL injury by subjective and objective assessments, and to analyze the correlation between various assessments. Twenty-three patients who underwent PCL reconstruction were studied...
May 23, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29791702/all-inside-technique-for-acl-reconstruction-using-a-flipcutter%C3%A2-and-the-tightrope%C3%A2-system
#9
Nicos Papaloucas
There have been many innovations in the field of ACL-reconstruction over the years, including the FlipCutter® and TightRope® system (both from Arthrex Inc.). The FlipCutter® is a combined guide pin and reamer that allows minimally invasive socket-creation from the inside out, especially in difficult-to-reach areas. The TightRope® is a further development of the well-known Endobutton™ (Smith & Nephew plc) that consists of a four-point knotless locking system. Its main advantage is its adjustability, which makes it possible to fill the entire bone socket with the graft without any empty space...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29790618/intratendinous-injection-of-autologous-adipose-tissue-derived-mesenchymal-stem-cells-for-the-treatment-of-rotator-cuff-disease-a-first-in-human-trial
#10
Chris H Jo, Jee Won Chai, Eui Cheol Jeong, Sohee Oh, Paul S Kim, Jeong Yong Yoon, Kang Sup Yoon
Despite relatively good results of current symptomatic treatments for rotator cuff disease, there has been an unmet need for fundamental treatments to halt or reverse the progress of disease. The purpose of this study was to assess the safety and efficacy of intratendinous injection of autologous adipose-tissue derived MSCs (AD MSCs) in patients with rotator cuff disease. The first part of the study consists of 3 dose-escalation cohorts; the low- (1.0x107 cells), mid- (5.0x107 ), and high-dose (1.0x108 ) groups with 3 patients each for the evaluation of the safety and tolerability...
May 23, 2018: Stem Cells
https://www.readbyqxmd.com/read/29789266/microvascular-volume-in-symptomatic-achilles-tendons-is-associated-with-visa-a-score
#11
S F E Praet, J H Ong, C Purdam, M Welvaert, G Lovell, L Dixon, J E Gaida, J Anglim, S Manzanero, N Vlahovich, D Hughes, G Waddington
OBJECTIVES: The role of neovascularisation in tendinopathy is still poorly understood, potentially due to technical limitations of conventional power Doppler ultrasound. This study aimed to investigate the association between contrast-enhanced ultrasound (CEUS) microvascular volume (MV), Victorian Institute of Sports Assessment-Achilles (VISA-A) scores and intrinsic Achilles tendon tenderness, as well as two different Power Doppler modes. DESIGN: Cross-sectional study...
May 15, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29789254/prediction-of-the-irreparability-of-rotator-cuff-tears
#12
In-Bo Kim, Dong Wook Jung, Kuen Tak Suh
PURPOSE: To determine the influence of preoperative factors on reparability of rotator cuff tears (RCTs) and yield a predictive model for predicting irreparability preoperatively. METHODS: Among patients with full-thickness RCTs, the reparable group underwent arthroscopic rotator cuff repairs for reparable RCTs whereas the irreparable group underwent alternative surgical procedures for irreparable RCTs. We analyzed age, sex, chronic pseudoparalysis (CPP), mediolateral and anteroposterior tear sizes, acromiohumeral distance (AHD), tangent sign, fatty infiltration (FI) (group 1, Goutallier stage 0 or 1; and group 2, Goutallier stage 2, 3, or 4), and tendon involvement (TI) (type 1, supraspinatus; type 2, supraspinatus and subscapularis; type 3, supraspinatus and infraspinatus; and type 4, all 3 tendons)...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789248/native-enthesis-preservation-versus-removal-in-rotator-cuff-repair-in-a-rabbit-model
#13
Wei Su, Xiaoxi Li, Song Zhao, Peng Shen, Shikui Dong, Jia Jiang, Jinzhong Zhao
PURPOSE: The purpose of this study was to explore whether preservation of native enthesis during rotator cuff repair (RCR) results in a histologically and biomechanically better rotator cuff-greater tuberosity (RC-GT) connection in an animal model. METHODS: Thirty-six New Zealand white rabbits were used in this study. The supraspinatus tendons were cut from the footprint to create a rotator cuff tear (RCT) on both shoulders, followed by immediate repair, with a 1 mm thick tendon stump remaining on the footprint...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789245/outcomes-of-arthroscopic-rotator-cuff-repair-in-patients-who-are-70-years-of-age-or-older-versus-under-70-years-of-age-a-sex-and-tear-size-matched-case-control-study
#14
Ji-Yong Gwark, Chang-Meen Sung, Jae-Boem Na, Hyung Bin Park
PURPOSE: To compare the structural and clinical outcomes after arthroscopic rotator cuff repair (ARCR) of a case group aged 70 and above with those of a control group younger than 70, with the 2 groups matched for sex and tear size. METHODS: The case group, comprising 53 patients 70 or older, and the control group, comprising 159 patients younger than 70, all received ARCR to 1 shoulder with symptomatic full-thickness rotator cuff tear. The case and the control subjects, who were matched for sex and tear size to minimize bias related to tendon healing, received ARCR during the same period...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29788540/unusual-presentation-of-calcific-tendinitis-of-the-iliopsoas-tendon-in-a-28-year-old-female
#15
Sonia Henry, Timothy Small, David Cottle
No abstract text is available yet for this article.
May 22, 2018: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29787981/autologous-bridging-of-rotator-cuff-tears-with-a-hamstring-tendon-patch-a-cadaver-feasibility-study-and-biomechanical-testing
#16
Jörn Kircher, Felix Schmidt, Thelonius Hawellek, Jan Hubert, Achim Hedtmann, Klaus Püschel, Michael Hahn, Andreas Niemeier
No abstract text is available yet for this article.
May 19, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29787583/gender-associated-muscle-tendon-adaptations-to-resistance-training
#17
Gerard McMahon, Christopher I Morse, Keith Winwood, Adrian Burden, Gladys L Onambélé
PURPOSE: To compare the relative changes in muscle-tendon complex (MTC) properties following high load resistance training (RT) in young males and females, and determine any link with circulating TGFβ-1 and IGF-I levels. METHODS: Twenty-eight participants were assigned to a training group and subdivided by sex (T males [TM] aged 20±1 year, n = 8, T females [TF] aged 19±3 year, n = 8), whilst age-matched 6 males and 6 females were assigned to control groups (ConM/F)...
2018: PloS One
https://www.readbyqxmd.com/read/29786532/rice-body-formation-without-rheumatic-disease-or-tuberculosis-in-a-sausage-ring-finger
#18
M Cegarra-Escolano, C Jaloux, O Camuzard
Rice bodies are very unusual lesions, generally encountered in chronic synovitis due to rheumatoid diseases or tuberculosis. A 31-year-old right-handed man presented with a 15-year history of progressively growing "sausage-like" swelling of the 4th finger and palm of his right hand. There was an immovable, painless mass with restriction of the finger's ROM without local or general associated signs. Imaging showed a large non-aggressive mass within the tendon sheath. Complete excision of the mass was performed...
May 18, 2018: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/29785451/lipidus-migrans-a-radiology-imaging-feature-after-ankle-injury
#19
Malwina Kaniewska, Lynne S Steinbach, Urs Neurauter, Suzanne E Anderson
We present an uncommon imaging feature with fluid fat tracking within the tendon sheath of the flexor hallucis longus (FHL) after traumatic injury to the ankle joint. We propose a coined medical term "lipidus migrans" to define the presence of floating fat in a tendon sheath. This is due to lipohemarthrosis from intra-articular fracture of the ankle with leakage of fluid fat into the tendon sheath. Communication between the FHL tendon sheath and ankle joint can occur in up to 25% of patients. Radiologists should be aware of the presence of lipidus migrans as a potential posttraumatic complication after intra-articular ankle fracture and that fat in the tendon sheath may mimic fracture fragments or even a tendon sheath tumor...
May 21, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29785267/a-silent-massive-ossification-of-achilles-tendon-as-a-suspected-rare-late-effect-of-surgery-for-club-foot
#20
Francesco Manfreda, Paolo Ceccarini, Marco Corzani, Rosario Petruccelli, Pierluigi Antinolfi, Giuseppe Rinonapoli, Auro Caraffa
We report the case of a 66-year-old male patient with massive ossification of the distal portion of the Achilles tendon, as a late consequence of a surgical release for club foot conducted in his childhood. The singularity of the case report derives from its clinical features: the bone mass was of abnormal dimensions, almost substituting the entire tendon; the condition had always been asymptomatic, without deficits in range of motion, in absence of either pain or biomechanical defects with age. In fact, the condition was diagnosed just recently as a consequence of a tear...
2018: SAGE Open Medical Case Reports
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