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Results for “Rotator Cuff Injuries”

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At least 145 records · Page 8Linked to original sources
PubMedDate not supplied

Internal impingement of the shoulder: a clinical and arthroscopic analysis.

Internal impingement was first described by Walch in 1992 and defined as contact between the supraspinatus tendon and posterior-superior glenoid rim with the shoulder in the cocked, throwing position of 90 degrees of abduction and maximum external rotation. The hypothesis of the study was that this contact may be seen in patients who are not throwing athletes nor in those who have instability. One hundred five consecutive patients who underwent shoulder arthroscopy were prospectively studied with preoperative history and physical examination. All patients underwent general anesthesia and arthroscopy with a standard posterior portal. With the patient under arthroscopy the arm was placed in abduction and external rotation until contact was made or until full elevation was reached. Eighty-five percent (N = 90) of the patients made contact between the rotator cuff and glenoid rim at an average of 95 degrees of abduction and 74 degrees of external rotation. No statistically significant relationship was seen (P > .05) between the position of contact at internal impingement and mechanism of injury, throwing versus nonthrowing, instability, rotator cuff tear, preoperative external rotation, or preoperative impingement signs. The intraoperative finding of contact of the rotator cuff to the posterosuperior glenoid with the arm in abduction and external rotation can occur in a wide spectrum of shoulder disease and is not limited to the throwing athlete. Not all patients with increased laxity and instability demonstrate this contact, suggesting that these factors may not be essential for internal impingement.

Arthroscopy↗
PubMed1993

Early complications after anterior dislocation of the shoulder in patients over 40 years. An ultrasonographic and electromyographic study.

The rate of complications after anterior dislocation of the shoulder was evaluated in 65 patients aged over 40 years. 36 of 55 cases had electromyographically verified axillary nerve or brachial plexus injury. Rotator-cuff lesion was seen in 24 of the 63 sonographically examined cases. At follow-up in a telephone interview on average 3 years after the injury, 27 of the 57 cases had complaints from their shoulder. The incidence of initial nerve and/or cuff lesions was higher in those with persisting symptoms at follow-up.

Adult↗
PubMed1994

[Evaluation of the rotator cuff with magnetic tomography].

Rotator cuff tears are difficult to diagnose clinically, both in the acute and the chronic phase. Both conservative and surgical treatment give the best results if the injury is detected early. Magnetic resonance imaging (MRI) has recently been introduced for diagnoses of cuff tears. The purpose of this study was to establish the accuracy of MRI in relation to surgical findings in the same patient group. MRI was used in the diagnosis of 25 patients who later underwent surgery for injury to the rotator cuff. During the surgery, 19 total tears were identified, of which 15 had been described by MRI. MRI showed a sensitivity of 79% and a specificity of 83%. The predictive value of a positive test was 83%. In experienced hands, MRI is extremely accurate for detecting rotator cuff injuries, but ultrasonography should still be the first method of diagnosis in Norway, because of its accuracy when used by experienced practitioners, and its availability and low cost.

Adult↗
PubMed2001

A descriptive epidemiological study of shoulder injury in top level English male volleyball players.

The aims of this study were to estimate the prevalence and incidence of shoulder sports injuries, to discover the main shoulder injury, and to survey outcome of treatment or injuries in top level male volleyball athletes. Furthermore, the actions which most commonly cause injuries and the differences of physical characteristics between injured and healthy players were also investigated. Fifty-nine English Volleyball Federation division one athletes were recruited in the 1997/98 and 1998/99 seasons. All subjects completed two different questionnaires; a First recruitment and monthly Follow-up questionnaire throughout the period in question. Twenty-seven of the fifty-nine athletes had a history of shoulder sports injury, with a total of 29 injuries reported. The results of the First recruitment showed that overuse type injuries (19/29) were the main shoulder injuries. Cuff muscle tendinitis was predominant in these injuries (14/29). Furthermore, spiking was the major action during which a shoulder injury (23/29) first occurred. In the follow-up phase the incidences of shoulder chronic injury (or pain), re-injury, and new injury in these twenty-seven players were 3.0, 9.3 and 1.0 injuries/1,000 hours of exposure respectively. The mean duration of chronic injury or pain was 2.3 +/- 1.3 (+/- SD) months. The distribution of history of regular training, between injured and healthy subject groups, was significantly different (p = 0.008). This study has identified rotator cuff muscle/tendon injuries or involved lesions as the main shoulder injuries in top level English male volleyball athletes. These injuries result in prolonged shoulder pain symptoms.

Adult↗
PubMed1999

The terrible triad of the shoulder.

This case shows that the terrible triad of the shoulder-anterior dislocation, brachial plexus injury, and rotator cuff tear-can occur in younger populations than previously described. A high index of suspicion for this triad of injury should be maintained, particularly in those young individuals with grossly unstable shoulders. Once axillary nerve function has begun to return, simultaneous repair of all soft tissue injuries can lead to a stable, functional joint.

Accidents, Traffic↗
PubMedDate not supplied

Shoulder injuries during alpine skiing.

We retrospectively reviewed alpine skiing injuries at a destination ski resort during three seasons to characterize the incidence and types of shoulder injuries. A total of 3451 injuries in 3247 patients were reviewed. The overall injury rate was 4.44 injuries per 1000 skier-days. Injuries to the upper extremity represented 29.1% (N = 1004) of all alpine ski injuries. Injuries involving the shoulder complex (393 injuries in 350 patients) accounted for 39.1% of upper extremity injuries and 11.4% of all alpine skiing injuries. The rate of shoulder injury was 0.51 injuries per 1000 skier-days. Patients with shoulder injuries had a mean age of 35.4 years, and the male-to-female ratio of these patients was 3:1. Falls represented the most common mechanism of shoulder injury (93.9%) in addition to collisions with skiers (2.8%), pole planning (2.3%), and collisions with trees (1%). The most common shoulder injuries were rotator cuff strains (24.2%), anterior glenohumeral dislocations or subluxations (21.6%), acromioclavicular separations (19.6%), and clavicle fractures (10.9%). Less common shoulder injuries included greater tuberosity fractures (6.9%), trapezius muscle strains (6.4%), proximal humeral fractures (3.3%), biceps tendon strains (2.3%), glenoid fractures (1.5%), scapular fractures (1%), humeral head fractures (1%), sternoclavicular separations (0.5%), an acromial fracture (0.3%), a posterior glenohumeral dislocation (0.3%), and a biceps tendon dislocation (0.3%).

Accidental Falls↗
PubMed2005

MRI of rotator cuff muscle atrophy in relation to glenohumeral joint incongruence in brachial plexus birth injury.

PURPOSE: To evaluate rotator cuff muscles and the glenohumeral (GH) joint in brachial plexus birth injury (BPBI) using MRI and to determine whether any correlation exists between muscular abnormality and the development of glenoid dysplasia and GH joint incongruity. MATERIALS AND METHODS: Thirty-nine consecutive BPBI patients with internal rotation contracture or absent active external rotation of the shoulder joint were examined clinically and imaged with MRI. In the physical examination, passive external rotation was measured to evaluate internal rotation contracture. Both shoulders were imaged and the glenoscapular angle, percentage of humeral head anterior to the middle of the glenoid fossa (PHHA) and the greatest thickness of the subscapular, infraspinous and supraspinous muscles were measured. The muscle ratio between the affected side and the normal side was calculated to exclude age variation in the assessment of muscle atrophy. RESULTS: All muscles of the rotator cuff were atrophic, with the subscapular and infraspinous muscles being most severely affected. A correlation was found between the percentage of humeral head anterior to the middle of the glenoid fossa (PHHA) and the extent of subscapular muscle atrophy (r(s)=0.45, P=0.01), as well as between its ratio (r(s)=0.5, P P=0.01). Severity of rotator cuff muscle atrophy correlated with increased glenoid retroversion and the degree of internal rotation contracture. CONCLUSIONS: Glenoid retroversion and subluxation of the humeral head are common in patients with BPBI. All rotator cuff muscles are atrophic, especially the subscapular muscle. Muscle atrophy due to neurogenic damage apparently results in an imbalance of the shoulder muscles and progressive retroversion and subluxation of the GH joint, which in turn lead to internal rotation contracture and deformation of the joint.

Adolescent↗
PubMedDate not supplied

Injury of the suprascapular nerve in shoulder surgery: an anatomic study.

Fifty-two shoulders in 26 cadavers were dissected to evaluate the safe zone for avoiding injury of the suprascapular nerve during open surgical procedures and arthroscopic Bankart repairs requiring blind drilling. The course of the suprascapular nerve was given as the shortest distance between the suprascapular nerve and the glenoid rim. A Kirschner wire was inserted from the anterior glenoid rim toward the suprascapular nerve. The insertion angle toward the suprascapular nerve at the base of the scapular spine in the transverse plane averaged 37.0 degrees and in the sagittal plane averaged 17.5 degrees. The insertion angle toward the bifurcation of the infraspinatus motor branch in the transverse plane averaged 44.3 degrees and in the sagittal plane averaged 27.7 degrees. On the basis of the results of the anatomic evaluation, the safe zone was described. An appreciation of this safe zone may help shoulder surgeons avoid iatrogenic injury to the suprascapular nerve.

Aged↗
PubMed2002

Upper limb taping.

This is the second in the series of taping techniques for musculoskeletal conditions and describes taping for common upper limb problems.

Bandages↗
PubMed1991

Classification and definition of tendinopathies.

The authors have classified tendinopathies into two categories. The majority of the tendinopathies are in the primary category in which lesions arise in the substance of the tendon. The authors emphasize that not all tendinopathies are degenerative in nature. Some primary tendinopathies are reactive, such as calcifying tendinitis.

Athletic Injuries↗
PubMed1996

[Impingement syndrome following direct injuries of the shoulder joint].

Impingement is the most common cause of pain and limitation of movement in the shoulder, with painful arc syndrome its major clinical sign. It usually becomes manifest at between 70 degrees-120 degrees of abduction, but in severe cases, this may be reduced to only 50 degrees-70 degrees. We studied 22 patients who had developed shoulder impingement following direct injuries and who had been treated by anterior acromioplasty and decompression, with an average follow-up of 32 months. 5 had sustained fractures of the greater tuberosity of the humerus at the time of injury, 14 had tears of the rotator cuff of various sizes (1 in both shoulders) and 3 had developed fibrotic scars of the subacromial bursa. Excellent or good results were achieved in 86.6%. Healing time was shorter, and there was return of full range of shoulder movement in those with subacromial scars, undisplaced fractures of the greater tuberosity, or those with a small tear of the rotator cuff. Recovery took longer in those with larger tears of the rotator cuff and in those with displaced fractures of the greater tuberosity. Recovery time was proportional to the size of the rotator cuff tear. It is concluded that direct trauma to the shoulder bears a direct relationship to the development of impingement syndrome, and that at surgery a concomitant tear in the rotator cuff is seen more than 2/3. Because of the high rate of success in surgical treatment of this syndrome, operation is indicated when a few months of physical therapy and analgesics fail to provide relief. In the presence of fractures, decompression surgery should be postponed until the fracture has united.

Acromion↗
PubMed1997

Biology of the rotator cuff tendon.

Tendons are complex composite material composed primarily of water, collagen, proteolycans, and cells, designed to transmit tensile loads from muscle to bone. Although rotator cuff tendons differ in many ways from other tendons in the body, a knowledge of basic tendon structure and function is helpful in understanding rotator cuff tendon biology, injury, and repair. In addition to type I collagen, rotator cuff tendons contain small amounts of type III collagen, which play a role in healing and repair. In comparison with other tendons, the increased glycosaminoglycan and proteoglycan content seen in rotator cuff tendons may be adaptive, pathologic, or both. The etiology of rotator cuff pathology is probably related to trauma, aging, and degeneration. As our understanding of these processes increases, we will be able to develop and implement improved preventative and therapeutic interventions for rotator cuff pathology.

Animals↗
PubMed2026

Open repairs with biceps rerouting does not impact retears in large to massive rotator cuff tears compared to conventional open repair: a randomized clinical trial.

BACKGROUND: The treatment of large to massive rotator cuff tears leads to a high failure rate and several techniques have been proposed to improve these results. Rerouting the long head of the biceps tendon (LHBT) appears to be a biological reinforcement to increase tendon healing. Therefore, this study aimed to compare the clinical and radiological outcomes of open repair for large and massive rotator cuff tears reinforced with the LHBT to conventional open repair. METHODS: A prospective randomized study was conducted with patients diagnosed with large to massive rotator posterosuperior rotator cuff tear and intact LHBT, randomized into 2 groups: biceps rerouting and conventional open repair. The functional outcomes were assessed by the American Shoulder and Elbow Surgeon score, University of California at Los Angeles score, and SF-12 questionnaire preoperatively and at 6, 12, and 24 months postoperatively. Pain level was also assessed by the visual analog scale including the first day and 2 weeks postoperatively. Structural outcomes were rotator cuff and LHBT healing with magnetic resonance imaging and acromiohumeral distance (AHD) through radiography. RESULTS: We evaluated 58 patients, 29 in each group. At the end of the follow-up there were no statistically significant differences between groups in American Shoulder and Elbow Surgeon (76.1 vs. 80.4, P = .761), University of California at Los Angeles (27.1 vs. 29.1, P = .634), or visual analog scale scores (1.3 vs. 1.1, P = .781). Additionally, rotator cuff healing rates (48.3% vs. 44.8%, P = .402) and LHBT healing rates (79.3% vs. 82.7%, P = .738) were similar. AHD increased in both groups, with no significant difference in delta AHD (P = .513). Both groups showed significant clinical improvement over time in all evaluated outcomes (P < 0,01). No postoperative complications were reported. CONCLUSIONS: We could not identify an advantage of open repair with LHBT rerouting as reinforcement over conventional open repair. Nonetheless, all clinical scores improved at the end of the 24 months of follow-up in both groups.

Humans↗
PubMedDate not supplied

Techniques for reduction of anteroinferior shoulder dislocation.

Dislocation of the shoulder joint is common. The shoulder is affected in up to 60% of all major joint dislocations, one study citing an incidence of 1.7% in the general population. The most common form is anteroinferior dislocation. A variety of techniques to reduce shoulder dislocation has been described. The key to successful relocation is a thorough understanding of the anatomy of both the enlocated and the dislocated shoulder joint.

Adult↗
PubMed2005

Golf injuries of the upper extremity.

Golf has demonstrated increasing popularity and with this heightened enthusiasm has come an increased awareness of the significant number of injuries associated with playing golf. While back injuries represent the most commonly injured specific body part, upper extremity injuries are most frequent overall and the most likely to result in loss of play. Patterns of injury differ based on level of play and time spent playing or practicing golf. Among golf professionals, the hand/wrist is the most commonly injured upper extremity structure. Among amateurs, the elbow is most commonly injured. The vast majority of upper extremity injuries are due to overuse. Age, ability, equipment, and swing mechanics also play contributing roles. Most upper extremity golf injuries can be successfully treated with appropriate cessation or modification of play, anti-inflammatory modalities, and rehabilitation. Surgical treatment is rarely required, but if needed can prove successful in a high percentage of patients.

Carpal Bones↗