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https://www.readbyqxmd.com/read/28238018/the-iliotibial-tract-imaging-anatomy-injuries-and-other-pathology
#1
REVIEW
Russell Flato, Giovanni J Passanante, Matthew R Skalski, Dakshesh B Patel, Eric A White, George R Matcuk
The iliotibial tract, also known as Maissiat's band or the iliotibial band, and its associated muscles function to extend, abduct, and laterally rotate the hip, as well as aid in the stabilization of the knee. A select group of associated injuries and pathologies of the iliotibial tract are seen as sequela of repetitive stress and direct trauma. This article intends to educate the radiologist, orthopedist, and other clinicians about iliotibial tract anatomy and function and the clinical presentation, pathophysiology, and imaging findings of associated pathologies...
February 25, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28237073/predictors-of-outcomes-after-rotator-cuff-repair-a-meta-analysis
#2
Jayaprakash Raman, David Walton, Joy C MacDermid, George S Athwal
STUDY DESIGN: Systematic review. INTRODUCTION: Clinical outcomes associated with rotator cuff repair (RCR) are generally favorable, but no study has attempted to establish a set of predictors that affect outcomes. PURPOSE OF STUDY: This study aims to statistically analyze articles and establish a set of predictors that affect outcomes after RCR. METHODS: An electronic literature search of multiple databases was conducted to identify studies that addressed prognosis after RCR...
February 22, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28214172/does-successful-rotator-cuff-repair-improve-muscle-atrophy-and-fatty-infiltration-of-the-rotator-cuff-a-retrospective-magnetic-resonance-imaging-study-performed-shortly-after-surgery-as-a-reference
#3
Noritaka Hamano, Atsushi Yamamoto, Hitoshi Shitara, Tsuyoshi Ichinose, Daisuke Shimoyama, Tsuyoshi Sasaki, Tsutomu Kobayashi, Yohei Kakuta, Toshihisa Osawa, Kenji Takagishi
BACKGROUND: Muscle atrophy and fatty infiltration in the rotator cuff muscles are often observed in patients with chronic rotator cuff tears. The recovery from these conditions has not been clarified. METHODS: Ninety-four patients were included in this study. The improvement in muscle atrophy and fatty infiltration in successfully repaired rotator cuff tears was evaluated by magnetic resonance imaging at 1 year and 2 years after surgery and was compared with muscle atrophy and fatty infiltration observed on magnetic resonance imaging at 2 weeks after surgery to discount any changes due to the medial retraction of the torn tendon...
February 15, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28205467/a-rare-type-of-upper-extremity-injury-penetrating-injuries-caused-by-blunt-edged-items
#4
Hakan Şirinoğlu, Furkan Certel, Nebil Yeşïloğlu, Gökhan Temïz, Kübra Ece Kalafatlar, Murat Sarici, Özhan Çelebïler
BACKGROUND: Penetrating upper extremity injury is a common encountered cause of significant loss of labor force and it is generally caused by sharp items. This article presents five rare cases of penetrating hand and forearm injury caused by blunt-edged items in conjunction with a detailed discussion of the mechanism and management of the injury. METHODS: Five patients with a mean age of 37.6 were treated for upper extremity trauma caused by "blunt-edged items" such as corrugated iron fence, garden wires, iron stick or iron safety fence between 2009 to 2014...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28203595/acute-gastrocnemius-soleus-complex-injuries-in-national-football-league-athletes
#5
Brian C Werner, Nicole S Belkin, Steve Kennelly, Leigh Weiss, Ronnie P Barnes, Hollis G Potter, Russell F Warren, Scott A Rodeo
BACKGROUND: Lower extremity muscle injuries are common in professional football. Although less common than hamstring or quadriceps injuries in National Football League (NFL) athletes, calf injuries occur with relative frequency and have not previously been studied. PURPOSE: To evaluate gastrocnemius-soleus complex muscle injuries over the past 13 years from a single NFL team to determine the incidence of such injuries, their imaging characteristics, and return to play after such injuries and any correlation between imaging findings and prolonged return to play...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28198772/micro-free-orbital-fat-grafts-to-the-tear-trough-deformity-during-lower-blepharoplasty
#6
Suzette G Miranda, Mark A Codner
BACKGROUND: The tear trough deformity is challenging in lower eyelid rejuvenation. Surgical treatment has evolved with more modern techniques preserving orbital fat and using autologous fat transposition. The author reviewed his own experience in targeting the tear trough in lower lid blepharoplasty and presented a new technique that incorporates the addition of micro free fat grafts which adds direct volume to the underlying anatomical depression using a transcutaneous skin-muscle approach...
February 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28196035/perivascular-stem-cells-diminish-muscle-atrophy-following-massive-rotator-cuff-tears-in-a-small-animal-model
#7
Claire D Eliasberg, Ayelet Dar, Andrew R Jensen, Iain R Murray, Winters R Hardy, Tomasz J Kowalski, Cameron A Garagozlo, Kyle M Natsuhara, Adam Z Khan, Owen J McBride, Peter I Cha, Benjamin V Kelley, Denis Evseenko, Brian T Feeley, David R McAllister, Bruno Péault, Frank A Petrigliano
BACKGROUND: Rotator cuff tears are a common cause of shoulder pain and often necessitate operative repair. Muscle atrophy, fibrosis, and fatty infiltration can develop after rotator cuff tears, which may compromise surgical outcomes. This study investigated the regenerative potential of 2 human adipose-derived progenitor cell lineages in a murine model of massive rotator cuff tears. METHODS: Ninety immunodeficient mice were used (15 groups of 6 mice). Mice were assigned to 1 of 3 surgical procedures: sham, supraspinatus and infraspinatus tendon transection (TT), or TT and denervation via suprascapular nerve transection (TT + DN)...
February 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28188336/injuries-of-the-obturator-muscles-in-professional-soccer-players
#8
Manuel Wong-On, Antonio Turmo-Garuz, Rafael Arriaza, Jose Manuel Gonzalez de Suso, Luis Til-Perez, Xavier Yanguas-Leite, David Diaz-Cueli, Xavier Gasol-Santa
PURPOSE: Obturator externus and internus muscular tears are uncommon injuries. Only a few case reports exist, mainly in high-level athletes. Our aim is to describe a series of obturator externus and internus muscular tears in professional soccer players. METHODS: Injury data from four teams from the First Division of the Spanish Soccer League were collected over a total of four seasons. Any soccer player who sustained an injury to either the obturator externus or internus identified on magnetic resonance (MRI) was included...
February 10, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28176368/pharmacological-inhibition-of-myostatin-protects-against-skeletal-muscle-atrophy-and-weakness-after-anterior-cruciate-ligament-tear
#9
Caroline N W Wurtzel, Jonathan P Gumucio, Jeremy A Grekin, Roger K Khouri, Carol S Davis, Alan J Russell, Asheesh Bedi, Christopher L Mendias
Anterior cruciate ligament (ACL) tears are among the most frequent knee injuries in sports medicine, with tear rates in the US up to 250,000 per year. Many patients who suffer from ACL tears have persistent atrophy and weakness even after considerable rehabilitation. Myostatin is a cytokine that directly induces muscle atrophy, and previous studies rodent models and patients have demonstrated an upregulation of myostatin after ACL tear. Using a preclinical rat model, our objective was to determine if the use of a bioneutralizing antibody against myostatin could prevent muscle atrophy and weakness after ACL tear...
February 8, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28167304/age-related-changes-in-morphology-and-function-of-scapular-muscles-in-asymptomatic-people
#10
Shuhei Morise, Takayuki Muraki, Hiroaki Ishikawa, Shin-Ichi Izumi
BACKGROUND: Aging is a contributing factor to rotator cuff tears. Dysfunction of the scapular muscles can be a potential cause of rotator cuff tears. Although aging can contribute to dysfunction of the scapular muscles and subsequently result in rotator cuff tears, the effects of aging on scapular muscles are unclear. OBJECTIVE: To determine changes in sizes and electromyographic activities of the scapular muscles with age in asymptomatic subjects. DESIGN: Cross-sectional study...
February 4, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28162917/influence-of-preoperative-musculotendinous-junction-position-on-rotator-cuff-healing-after-double-row-repair
#11
Robert Z Tashjian, Gregory A Erickson, Richard J Robins, Yue Zhang, Robert T Burks, Patrick E Greis
PURPOSE: The primary purpose of this study was to determine the effect of the preoperative position of the musculotendinous junction (MTJ) on rotator cuff healing after double-row arthroscopic rotator cuff repair. A secondary purpose was to evaluate how tendon length and MTJ position change when the rotator cuff heals. METHODS: Preoperative and postoperative magnetic resonance imaging (MRI) scans of 42 patients undergoing arthroscopic double-row rotator cuff repair were reviewed...
February 2, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28162204/-evidence-based-clinical-practice-guidelines-for-the-treatment-of-dural-tears-and-the-consequent-cerebrospinal-fluid-leak-during-spine-surgery
#12
(no author information available yet)
Dural tears (DT) and the consequent cerebral spinal fluid (CSF) leak are not rare in spine surgeries. CSF leak can be troublesome, leading to pseudomeningocele, cutaneous CSF fistula, and meningitis. Revision surgery is unavoidable in some cases. The reported incidences of DT and CSF leak are different according to the various pathologies. Ossification of the posterior longitudinal ligament, revision spine surgery and multi-segment laminectomy have higher risks for DT. Various techniques have been described to manage this complication, such as bed rest, repair with dural substitutes, fibrin glue, gelatin sponge, lumbar drain, muscle flap, etc...
February 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28155208/comparison-between-botulinum-toxin-a-injection-and-lacrimal-punctal-plugs-for-the-control-of-post-lasik-dry-eye-manifestations-a-prospective-study
#13
Sameh M Fouda, Hala K Mattout
INTRODUCTION: Laser in situ keratomelieusis (LASIK) is one of the commonest refractive procedures performed nowadays. The dry eye problem is nearly universal in all patients after LASIK and it can be so annoying that the post-operative patient satisfaction is sometimes precluded. Conventional treatment includes the use of artificial tears. Alternative methods such as punctal plugs and botulinum toxin injection can be used for the management of post-LASIK dry eye. The aim of this study is to compare botulinum toxin injection in the orbicularis muscle to lacrimal punctal plugs for the control of post-LASIK dry eye manifestations...
February 2, 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28154915/prolapse-symptoms-are-associated-with-abnormal-functional-anatomy-of-the-pelvic-floor
#14
Zeelha Abdool, Hans Peter Dietz, Barend Gerhardus Lindeque
INTRODUCTION AND HYPOTHESIS: The etiology of pelvic organ prolapse (POP) likely includes over-distension or tears (avulsion) of the levator ani muscle. However, there is a lack of studies evaluating the association between symptoms of POP and these factors. This study was designed to determine the association between POP symptoms and clinical prolapse stage on the one hand, and pelvic floor functional anatomy on the other hand. METHODS: This prospective observational study included 258 patients seen at a tertiary urogynecological unit with symptoms of POP as defined by pertinent ICIQ questions...
February 2, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28153683/supraspinatus-muscle-occupation-ratio-predicts-rotator-cuff-reparability
#15
Jeung Yeol Jeong, Pill Ku Chung, Sang Min Lee, Jae Chul Yoo
BACKGROUND: We wished to determine the correlation between supraspinatus muscle occupation ratio and reparability of rotator cuff muscles and that of each occupation ratio with 1-muscle, 2-muscle, and 3-muscle rotator cuff injury. METHODS: We evaluated 170 patients (average age, 62.3 [40-83] years) with complete (type II) or incomplete (type III) rotator cuff repair by arthroscopy. Type II repair was defined as complete repair but less optimal coverage of the entire medial-lateral footprint...
January 30, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28145949/histological-evidence-of-muscle-degeneration-in-advanced-human-rotator-cuff-disease
#16
Michael C Gibbons, Anshu Singh, Oke Anakwenze, Timothy Cheng, Maxwill Pomerantz, Simon Schenk, Adam J Engler, Samuel R Ward
BACKGROUND: Cellular remodeling in rotator cuff muscles following a massive rotator cuff tear is poorly understood. The aim of the current study was to provide histological evidence to elucidate the mode of muscle loss in advanced human rotator cuff disease and to assess tissue-level changes in relation to findings on noninvasive imaging. METHODS: Rotator cuff muscle biopsy samples were taken from the scapular fossae from 23 consecutive patients undergoing reverse total shoulder arthroplasty in order to evaluate muscle composition in severe rotator cuff disease...
February 1, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28141953/interposition-dermal-matrix-xenografts
#17
Julie A Neumann, Miltiadis H Zgonis, Kathleen D Rickert, Kendall E Bradley, Thomas J Kremen, Blake R Boggess, Alison P Toth
BACKGROUND: Management of massive rotator cuff tears in shoulders without glenohumeral arthritis remains problematic for surgeons. Repairs of massive rotator cuff tears have failure rates of 20% to 94% at 1 to 2 years postoperatively as demonstrated with arthrography, ultrasound, and magnetic resonance imaging. Additionally, inconsistent outcomes have been reported with debridement alone of massive rotator cuff tears, and limitations have been seen with other current methods of operative intervention, including arthroplasty and tendon transfers...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28139720/inhibition-of-pdgfr-signaling-prevents-muscular-fatty-infiltration-after-rotator-cuff-tear-in-mice
#18
Hideyuki Shirasawa, Noboru Matsumura, Masayuki Shimoda, Satoshi Oki, Masaki Yoda, Takahide Tohmonda, Yae Kanai, Morio Matsumoto, Masaya Nakamura, Keisuke Horiuchi
Fatty infiltration in muscle is often observed in patients with sizable rotator cuff tear (RCT) and is thought to be an irreversible event that significantly compromises muscle plasticity and contraction strength. These changes in the mechanical properties of the affected muscle render surgical repair of RCT highly formidable. Therefore, it is important to learn more about the pathology of fatty infiltration to prevent this undesired condition. In the present study, we aimed to generate a mouse model that can reliably recapitulate some of the important characteristics of muscular fatty infiltration after RCT in humans...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28139386/medialized-repair-for-retracted-rotator-cuff-tears
#19
Young-Kyu Kim, Kyu-Hak Jung, Jun-Sung Won, Seung-Hyun Cho
BACKGROUND: The purpose of this study was to evaluate the functional outcomes of medialized rotator cuff repair and the continuity of repaired tendon in chronic retracted rotator cuff tears. METHODS: Thirty-five consecutive patients were selected from 153 cases that underwent arthroscopic rotator cuff repair for more than medium-sized posterosuperior rotator cuff tears between July 2009 and July 2012 performed with the medialized repair. All cases were available for at least 2 years of postoperative follow-up...
January 27, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28131694/neer-award-2016-reduced-muscle-degeneration-and-decreased-fatty-infiltration-after-rotator-cuff-tear-in-a-poly-adp-ribose-polymerase-1-parp-1-knock-out-mouse-model
#20
Michael B Kuenzler, Katja Nuss, Agnieszka Karol, Michael O Schär, Michael Hottiger, Sumit Raniga, David Kenkel, Brigitte von Rechenberg, Matthias A Zumstein
BACKGROUND: Disturbed muscular architecture, atrophy, and fatty infiltration remain irreversible in chronic rotator cuff tears even after repair. Poly (adenosine 5'-diphosphate-ribose) polymerase 1 (PARP-1) is a key regulator of inflammation, apoptosis, muscle atrophy, muscle regeneration, and adipocyte development. We hypothesized that the absence of PARP-1 would lead to a reduction in damage to the muscle subsequent to combined tenotomy and neurectomy in a PARP-1 knockout (KO) mouse model...
January 25, 2017: Journal of Shoulder and Elbow Surgery
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