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Rotator cuff repair

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https://www.readbyqxmd.com/read/29136253/fatty-degeneration-of-the-rotator-cuff-reflects-shoulder-strength-deficits-in-patients-with-rotator-cuff-tears
#1
Jong Pil Yoon, Jae Wook Jung, Chang Hwa Lee, Young Gun Kim, Seok Won Chung, Joon Yub Kim, Hyun Joo Lee, Jee Wook Yoon, Hoseok Lee
Fatty degeneration is an important clinical factor in patients with rotator cuff tears. Goutallier grade, occupation ratio, and tangent sign help identify fatty degeneration; however, little is known about how closely these measurement techniques correlate with actual muscle strength deficits. The authors evaluated each method's ability to determine the correlation between fatty degeneration and muscle strength deficits. The authors included 203 patients who underwent full-thickness rotator cuff repair (mean age, 61...
November 11, 2017: Orthopedics
https://www.readbyqxmd.com/read/29135669/arthroscopic-transosseous-suture-repair-and-single-row-anchor-fixation-for-rotator-cuff-lesions-did-not-differ-for-pain-function-or-rotator-cuff-integrity-at-15-months
#2
Richard K N Ryu
No abstract text is available yet for this article.
November 15, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29128967/early-postoperative-magnetic-resonance-imaging-findings-after-arthroscopic-rotator-cuff-repair-t2-hyperintensity-of-the-capsule-can-predict-reduced-shoulder-motion
#3
Ji Na Kim, Soon Tae Kwon, Kyung Cheon Kim
INTRODUCTION: The purpose of this study was to investigate whether postoperative shoulder magnetic resonance imaging (MRI) findings correlate with postoperative shoulder range of motion (ROM) at about 4 months after arthroscopic rotator cuff repair (ARCR). MATERIALS AND METHODS: Signal-intensity changes of the capsule, pericapsular soft tissue at the axillary recess, and subcoracoid fat triangle, as well as the thickness of the capsule at the axillary recess and coracohumeral ligament were assessed on preoperative and postoperative MR images of 232 patients...
November 11, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29127887/pullout-strength-of-cement-augmented-and-wide-suture-transosseous-fixation-in-the-greater-tuberosity
#4
Brendan Y Shi, Miguel Diaz, Stephen M Belkoff, Uma Srikumaran
BACKGROUND: Obtaining strong fixation in low-density bone is increasingly critical in surgical repair of rotator cuff tears because of the aging population. To evaluate two new methods of improving pullout strength of transosseous rotator cuff repair in low-density bone, we analyzed the effects of 1) using 2-mm suture tape instead of no. 2 suture and 2) augmenting the lateral tunnel with cement. METHODS: Eleven pairs of osteopenic or osteoporotic cadaveric humeri were identified by dual-energy x-ray absorptiometry...
November 2, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29125132/chitosan-inhibits-platelet-mediated-clot-retraction-increases-platelet-derived-growth-factor-release-and-increases-residence-time-and-bioactivity-of-platelet-rich-plasma-in-vivo
#5
Gabrielle Deprés-Tremblay, Anik Chevrier, Nicolas Tran-Khanh, Monica Nelea, Michael D Buschmann
Platelet-rich plasma (PRP) has been used to treat different orthopedic conditions, however, the clinical benefits of using PRP remain uncertain. Chitosan (CS)-PRP implants have been shown to improve meniscus, rotator cuff and cartilage repair in pre-clinical models. The purpose of this current study was to investigate in vitro and in vivo mechanisms of action of CS-PRP implants. Freeze-dried formulations containing 1% (w/v) CS (80% degree of deacetylation and number average molar mass 38 kDa), 1% (w/v) trehalose as a lyoprotectant and 42...
November 10, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/29124078/demineralized-bone-matrix-to-augment-tendon-bone-healing-a-systematic-review
#6
Adam T Hexter, Catherine Pendegrass, Fares Haddad, Gordon Blunn
Background: Following injury to the rotator cuff and anterior cruciate ligament, a direct enthesis is not regenerated, and healing occurs with biomechanically inferior fibrous tissue. Demineralized bone matrix (DBM) is a collagen scaffold that contains growth factors and is a promising biological material for tendon and ligament repair because it can regenerate a direct fibrocartilaginous insertion via endochondral ossification. Purpose: To provide a comprehensive review of the literature investigating the use of DBM to augment tendon-bone healing in tendon repair and anterior cruciate ligament reconstruction (ACLR)...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29122450/interstitial-tears-of-the-rotator-cuff-difficulty-in-preoperative-diagnosis
#7
Hwan Jin Kim, Ji Seon Park, Jung Youn Kim, Young Moon Kee, Yong Girl Rhee
BACKGROUND: Few studies have investigated the characteristic findings of preoperative magnetic resonance imaging (MRI) and the clinical and radiologic outcomes of interstitial tear of the rotator cuff treated with arthroscopic repair after tear completion. METHODS: Forty-one patients (14 men and 27 women; mean age, 56.5 years) with arthroscopically confirmed interstitial tears underwent single-row repair after tear completion. The minimum follow-up period was 2 years...
November 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29108858/increased-expression-of-type-1-cannabinoid-cb1-receptor-among-patients-with-rotator-cuff-lesions-and-shoulder-stiffness
#8
Shu-Jui Kuo, Feng-Sheng Wang, Jih-Yang Ko, Chih-Hsin Tang, Ka-Kit Siu, Ya-Hung Hsu, Tsai-Chen Tsai
BACKGROUND: Shoulder stiffness is a disease manifested by pain, limited range of motion, and functional disability. The inflammatory and fibrosis processes play a substantial role in the pathogenesis of shoulder stiffness. The CB1 receptor has been recognized to mediate the processes of pathologic fibrosis. This study investigated the role of the CB1 pathway in pathogenesis of rotator cuff lesions with shoulder stiffness. METHODS: All of the patients undergoing repair surgery for rotator cuff lesions were recruited and subcategorized into subjects with and without shoulder stiffness...
November 3, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29102010/editorial-commentary-partial-shoulder-rotator-cuff-repair-may-the-force-couple-be-with-you
#9
EDITORIAL
Wesley M Nottage
Partial repair of a shoulder rotator cuff tear, in the face of an otherwise massive or "irreparable" tear, is an effective treatment for reducing patient pain and improving function. Partial repair restores balance to the force couple composed of the infraspinatus and teres minor posteriorly and the subscapularis anteriorly. A balanced force couple maintains centralization of the humeral head on the glenoid during shoulder range of motion and, in nonarthritic patients with massive or irreparable tears, is better than no repair at all...
November 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29102008/editorial-commentary-the-long-head-of-the-biceps-brachii-tendon-the-shoulder-surgeon-s-conundrum
#10
EDITORIAL
Michael G Ciccotti
The long head of the biceps tendon can be a significant pain generator in the setting of rotator cuff tearing. Surgeons who encounter long head of biceps tendon pathology at the time of rotator cuff repair can be confident in a high likelihood of statistically significant clinical improvement with concomitant long head of biceps surgery. Patients can be reliably counseled preoperatively that if they have both clinically apparent long head of biceps tendon pathology and rotator cuff tearing, and if they undergo long head of biceps tendon surgery with rotator cuff repair, they can expect comparable or better outcomes than isolated rotator cuff repair...
November 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29101541/rotator-cuff-muscular-integrity-after-arthroscopic-revision-of-a-bankart-repair
#11
Johannes Buckup, Frederic Welsch, Reinhard Hoffmann, Philip P Roessler, Karl F Schüttler, Thomas Stein
INTRODUCTION: Recurrent shoulder instability after arthroscopic Bankart repair is still a common complication. For primary Bankart repair studies have shown that the rotator cuff can recover completely. The ability of muscles to regenerate after arthroscopic revision Bankart repair (ARBR) has not been studied. Does the ARBR using a three-portal method allows complete muscle integrity compared with an uninjured imaging control group (ICG)? MATERIALS AND METHODS: Twenty-two (1 female, 21 males) physically active patients (mean age at follow-up 28...
November 3, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29100770/does-increased-body-mass-index-influence-outcomes-after-rotator-cuff-repair
#12
Katie E Kessler, Christopher B Robbins, Asheesh Bedi, James E Carpenter, Joel J Gagnier, Bruce S Miller
PURPOSE: To investigate the influence of pre-existing obesity (body mass index [BMI] ≥ 30) on outcomes after rotator cuff repair surgery. METHODS: We collected data on adult patients who underwent surgical repair for symptomatic full-thickness rotator cuff tears confirmed by imaging between 2012 and 2015. The required follow-up was 3 years. At baseline and 6, 12, 24, and 36 months, the American Shoulder and Elbow Surgeons score, Western Ontario Rotator Cuff index, and visual analog scale pain scores were collected...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29100767/arthroscopic-correction-of-the-critical-shoulder-angle-through-lateral-acromioplasty-a-safe-adjunct-to-rotator-cuff-repair
#13
Christian Gerber, Sabrina Catanzaro, Michael Betz, Lukas Ernstbrunner
PURPOSE: To investigate whether arthroscopic lateral acromioplasty reliably decreases the critical shoulder angle (CSA) and whether it is associated with damage to the deltoid or other complications. METHODS: Patients undergoing arthroscopic rotator cuff repair (RCR) with lateral but without anterior acromioplasty for degenerative, full-thickness rotator cuff tears and a CSA of 34° or greater were retrospectively reviewed. Patients with traumatic or irreparable rotator cuff tears, osteoarthritis, or previous surgery were excluded...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29100763/five-year-outcomes-after-arthroscopic-repair-of-partial-thickness-supraspinatus-tears
#14
Alexander R Vap, Sandeep Mannava, J Christoph Katthagen, Marilee P Horan, Erik M Fritz, Jonas Pogorzelski, Peter J Millett
PURPOSE: To investigate clinical outcomes in patients who underwent arthroscopic repair of isolated partial-thickness rotator cuff tears (PTRCTs) of the supraspinatus tendon with a minimum follow-up period of 5 years. METHODS: All patients who had undergone arthroscopic repair of isolated PTRCTs at least 5 years earlier were included. Preoperatively and postoperatively, the American Shoulder and Elbow Surgeons, QuickDASH (short version of Disabilities of the Arm, Shoulder and Hand questionnaire), and Short Form 12 Physical Component Summary scores were collected, along with postoperative satisfaction (10-point scale) and return to activity...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29099894/effects-of-platelet-rich-plasma-and-indomethacin-on-biomechanics-of-rotator-cuff-repair
#15
Molly C Meadows, David M Levy, Christopher M Ferry, Thomas R Gardner, Takeshi Teratani, Christopher S Ahmad
We conducted a study to determine if platelet-rich plasma (PRP) enhances the strength of rotator cuff repair (RCR) and if concomitant use of nonsteroidal anti-inflammatory drugs (NSAIDs) affects PRP efficacy. We also wanted to determine the optimal centrifugation protocol for making PRP from rats. This study used 48 rats, 14 in a centrifugation protocol and 34 in an operative protocol. Six syngeneic rats from the operative group were used as PRP blood donors; the other 28 operative rats underwent bilateral RCRs...
September 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29091458/bioinformatics-analysis-in-differences-of-rna-expression-in-the-tendon-according-to-anatomic-outcomes-in-rotator-cuff-repair-letter-to-the-editor
#16
Chenyu Li, Hui Zhang, Shujuan Wang, Long Zhao, Yan Xu
No abstract text is available yet for this article.
November 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29091456/bioinformatics-analysis-in-differences-of-rna-expression-in-the-tendon-according-to-anatomic-outcomes-in-rotator-cuff-repair-response
#17
Sae Hoon Kim
No abstract text is available yet for this article.
November 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29083356/partial-repair-in-irreparable-rotator-cuff-tear-our-experience-in-long-term-follow-up
#18
E D Di Benedetto, Paolo Di Benedetto, Andrea Fiocchi, Alessandro Beltrame, Araldo Causero
AIM OF THE WORK: Massive rotator cuff tears are a common source of shoulder pain and dysfunction, especially in middle age patient; these lesions represent about 20% of all rotator cuff tears and 80% of recurrent tears. Some lesions are not repairable or should not be repaired: in this case, a rotator cuff partial repair should be recommended. The aim of the study is to evaluate the outcome of rotator cuff partial repair in irreparable rotator cuff massive tear at medium and long-term follow-up...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29079910/the-effect-of-rotator-cuff-malreduction-on-tendon-tension-an-evaluation-of-a-custom-made-digital-tensiometer-clamp
#19
Marc-Frederic Pastor, Manuel Kraemer, Michael Schwarze, Christof Hurschler, Tomas Smith, Mathias Wellmann
INTRODUCTION: Rotator cuff tears are common and good-to-excellent clinical outcome is reported after subsequent repair. However, the retear rate of rotator cuff repairs has been shown to be as high as 20%. The reasons for retear seem to be multifactorial, mainly comprised by mechanical and biological aspects. Regarding mechanical causes, the role of the tendon tension and malreduction is so far unknown. First, we hypothesized that the tendon tension depends on the technique of tendon reposition and that malreduction of the tendon results in an increased tendon tension...
October 27, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29079262/functional-and-radiographic-outcomes-after-arthroscopic-transosseous-suture-repair-of-medium-sized-rotator-cuff-tears
#20
Xiao Ning Liu, Cheol-Jung Yang, Geun Woo Lee, Sang Hyun Kim, Yong-Hyun Yoon, Kyu-Cheol Noh
PURPOSE: To evaluate the functional and anatomical outcomes after arthroscopic transosseous suture (TOS) repair of 2 to 4 cm sized rotator cuff tears and to identify preoperative factors influencing repair failure. METHODS: From May 2013 to August 2014, patients with symptomatic 2 to 4 cm full-thickness tears underwent arthroscopic TOS repair, and those who could be followed up for a minimum of 2 years were included in this retrospective study. Functional and anatomical outcomes were analyzed up to 2 years postoperatively...
October 24, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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