PubMed Journals Articles About "Rotator Cuff Tear" RSS

23:29 EST 23rd January 2019 | BioPortfolio

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Showing "Rotator Cuff Tear" PubMed Articles 1–25 of 386

Allograft Use in Shoulder Surgery: Instability and Rotator Cuff.

Shoulder instability and rotator cuff pathology can provide a challenging problem, especially in the revision setting. Allograft use in primary or revision surgical intervention for shoulder instability and rotator cuff tear may be a valuable resource. This paper reviews allograft tissue use in shoulder surgery for instability and rotator cuff tear.

Factors Associated with Atraumatic Posterosuperior Rotator Cuff Tears.

Certain metabolic factors have been proposed as risk factors for a posterosuperior rotator cuff tear. Although metabolic syndrome is of increasing concern in industrialized societies, little information exists regarding its association with posterosuperior rotator cuff tears. The purpose of this study was to determine the risk factors for an atraumatic posterosuperior rotator cuff tear, including metabolic factors and metabolic syndrome.

Rotator cuff tear following long-standing axillary neuropathy in a female motocross racer.

A 'terrible triad' of anterior shoulder dislocation, axillary nerve damage and rotator cuff tear has been previously described. However, we are unaware of any report of anterior shoulder dislocation, humeral fracture, axillary neuropathy and subsequent rotator cuff tear requiring surgery when the axillary neuropathy was deemed permanent. We report the case of a 20-year-old woman who fell in a motocross accident and had an anterior shoulder dislocation, humeral fracture and axillary neuropathy. The fracture ...

The presence of a rotator cuff tear interferes with age-dependent muscle atrophy of intact shoulder muscles. An MRI study with 3 years' follow-up.

Rotator cuff muscle atrophy is frequently studied, but it is unknown whether redistribution of mechanical load in the presence of a rotator cuff tear influence muscle atrophy that is observed in patients. We hypothesized that in the presence of a supraspinatus tear, redistribution of mechanical load towards teres minor and deltoid slows down atrophy of these muscles over time. In this retrospective observational study of 129 patients, we measured the cross-sectional surface-areas on MRI of shoulder muscles ...

Integrity of the Untorn Articular-Sided Tendon in Bursal-Sided Partial-Thickness Rotator Cuff Tear: A Comparative Study of Apoptotic Activity in Torn and Untorn Layers.

Conversion to full-thickness tear in partial-thickness rotator cuff tears (PTRCTs) is based on the quality and thickness of the normal-looking untorn rotator cuff layer. However, whether the untorn tendon is a healthy tissue remains to be elucidated.

Characteristics of the patients with delaminated rotator cuff tear.

The purpose of this study was to analyze factors relating to delamination in full-thickness rotator cuff tears.

Evaluating the Outcomes of Rotator Cuff Repairs With Polytetrafluoroethylene Patches for Massive and Irreparable Rotator Cuff Tears With a Minimum 2-Year Follow-up.

Massive and irreparable rotator cuff tears are difficult to manage surgically. One technique is to use a synthetic polytetrafluoroethylene (PTFE) patch to bridge the tear. However, there is little information regarding the outcomes of this procedure.

The pathogenesis and management of cuff tear arthropathy.

Massive rotator cuff tears may lead to the development of cuff tear arthropathy (CTA). Although this pathology has been recognized for more than 150 years, treatment strategies have continued to evolve. During the last decade, there has been increased understanding of the molecular and cellular changes that govern rotator cuff tear outcomes and development of new treatment strategies to repair or reconstruct the rotator cuff. These have included an expansion of the use of arthroscopic double-row transosseou...

Rotator cuff failure after surgery: an all-arthroscopic transosseous approach.

Tear recurrence is considered the main complication of a rotator cuff repair. The best arthroscopic technique has not yet been established. The aim of the present study was to evaluate, from a clinical and a radiological standpoint, the all-arthroscopic transosseous rotator cuff repair with cortical lateral augmentation, performed in the setting of a revision surgery.

In vivo dynamic acromiohumeral distance in shoulders with rotator cuff tears.

There are no previous studies on the acromiohumeral distance in shoulders with large-to-massive full-thickness rotator cuff tears. In this study, the acromiohumeral distance in rotator cuff tear and healthy shoulders was measured using 3D-to-2D model-to-image registration techniques.

Editorial Commentary: Rotator Cuff Surgery Planning: Yet Another Reason for Orthopedic Surgeons to Learn to Use Ultrasound….

Several factors that affect the healing rate of shoulder rotator cuff tears have been elucidated, including tear size, degree of retraction, and degree of muscle atrophy. Identifying these factors preoperatively is critical for appropriate surgical planning and patient counseling. Ultrasound can be used to predict rotator cuff stiffness, which could result in a way to better plan for rotator cuff surgeries.

The effects of rotator cuff tear on shoulder proprioception.

To evaluate the effects of rotator cuff tear (RCT) and its severity on shoulder proprioception.

Patch-augmented rotator cuff surgery (PARCS) study-protocol for a feasibility study.

A rotator cuff tear is a common disabling shoulder problem. Symptoms include pain, weakness, lack of shoulder mobility and sleep disturbance. Many patients require surgery to repair the tear; however, there is a high failure rate. There is a pressing need to improve the outcome of rotator cuff surgery and the use of patch augmentation to provide support to the healing process and improve patient outcomes holds new promise. Patches have been made using different materials (e.g. human/animal skin or intestine...

Subacromial space volume in patients with rotator cuff tear: The effect of surgical repair.

The aim of this study was to evaluate the effect of the rotator cuff tear repair on subacromial space volume.

Full-Thickness Rotator Cuff Tears: What Is the Rate of Tear Progression? A Systematic Review.

To systematically review the literature and determine the rate of radiographic tear progression of nonoperatively treated full-thickness rotator cuff tears.

Biceps Detachment Preserves Joint Function in a Chronic Massive Rotator Cuff Tear Rat Model.

Lesions of the long head of the biceps tendon are often associated with massive rotator cuff tears (MRCTs), and biceps tenotomy is frequently performed for pain relief and functional reservation. However, the efficacy and safety of biceps tenotomy regarding the effects on the surrounding tissues in chronic MRCT are unclear.

Efficacy of concomitant acromioplasty in the treatment of rotator cuff tears: A systematic review and meta-analysis.

Scientific evidence is not clear regarding the routine use of acromioplasty in the treatment of rotator cuff repair. The aim of this study was to compare clinical outcomes between patients undergoing arthroscopic rotator cuff repair with and without concomitant acromioplasty.

Delamination Does Not Affect Outcomes After Arthroscopic Rotator Cuff Repair as Compared With Nondelaminated Rotator Cuff Tears: A Study of 1043 Consecutive Cases.

Limited information is available regarding the characteristics of delaminated rotator cuff tears as compared with nondelaminated tears. Furthermore, there is conflicting information regarding the effects of delamination on the anatomic healing of repaired cuffs.

Arthroscopic Superior Capsular Reconstruction for Dislocation of the Shoulder with an Irreparable Rotator Cuff Tear: A Case Report.

A 49-year-old man presented with apprehension of a repeat dislocation after a left shoulder dislocation, which was accompanied by pain and restricted active range of motion of the shoulder. We performed an arthroscopic Bankart repair as well as an arthroscopic superior capsular reconstruction (ASCR) with fascia lata for the irreparable massive rotator cuff tear. Two years postoperatively, there was no shoulder pain or repeat dislocation; the range of motion had improved.

Modeling a rotator cuff tear: Individualized shoulder muscle forces influence glenohumeral joint contact force predictions.

Rotator cuff tears in older individuals may result in decreased muscle forces and changes to force distribution across the glenohumeral joint. Reduced muscle forces may impact functional task performance, altering glenohumeral joint contact forces, potentially contributing to instability or joint damage risk. Our objective was to evaluate the influence of rotator cuff muscle force distribution on glenohumeral joint contact force during functional pull and axilla wash tasks using individualized computational...

Reliability, validity and responsiveness of the Chinese version of the Rotator Cuff Quality of Life Index (RC-QOL) in patients with rotator cuff disorders.

The Rotator Cuff Quality of Life Index (RC-QOL) is a scale designed to evaluate the impact of rotator cuff (RC) disorders on the general quality of life of patients. Our study aims to adapt the RC-QOL into Chinese and to assess its reliability, validity and responsiveness in Chinese patients with RC disorders.

Immediate effects of kinesiotaping on acromiohumeral distance and shoulder proprioception in individuals with symptomatic rotator cuff tendinopathy.

Kinesiotaping is widely used for the rehabilitation of rotator cuff tendinopathy. It has been argued to reduce symptoms and functional limitations through improvement of proprioceptive feedback. In addition, kinesiotaping has been reported to increase the subacromial space in healthy subjects. However, its effects on the acromiohumeral distance and shoulder proprioception of individuals with rotator cuff tendinopathy have not been ascertained. This study investigated the immediate effects of kinesiotaping o...

Effects of Tendon Degeneration on Predictions of Supraspinatus Tear Propagation.

Rotator cuff tendons undergo degeneration with age, which could have an impact on tear propagation. The objective of this study was to predict tear propagation for different levels of tissue degeneration using an experimentally validated finite element model of a supraspinatus tendon. It was hypothesized that greater amounts of degeneration will result in tear propagation at lower loads than tendons with less degeneration. Using a previously-validated computational model of supraspinatus tendon, 1-cm tears ...

Mechanical Augmentation With Absorbable Alginate Sheet Enhances Healing of the Rotator Cuff.

For anatomical restoration of a repaired rotator cuff, mechanical augmentation of the repaired structure is essential. Using histological and biomechanical evaluation in a rat model, the authors sought to determine the efficacy of an absorbable alginate sheet at the supraspinatus tendon-to-bone repair site for healing of the rotator cuff tear. Forty adult (12 weeks old) male Sprague- Dawley wild-type rats were used in this study. The animals were randomly separated into 2 groups: group 1, conventional supra...

Rotator Cuff Matrix Augmentation and Interposition: A Systematic Review and Meta-analysis.

Surgical management of rotator cuff tears is controversial and complex, ranging from nonoperative management to reverse shoulder arthroplasty.

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