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PubMedDate not supplied

Traumatic tears of the subscapularis tendon. Clinical diagnosis, magnetic resonance imaging findings, and operative treatment.

The study population consisted of 14 shoulders in 13 consecutive patients with surgically confirmed isolated subscapularis tendon tears. In all but three patients, the mechanism of injury was traumatic hyperextension or external rotation of the abducted arm. All patients reported pain and weakness in the affected shoulder. Physical findings revealed limited passive range of motion at maximal internal and external rotation due to pain, weakness of internal rotation of the shoulder, and tenderness in the region of the intertubercular groove. However, these findings did not conclusively point to the subscapularis tendon as the site of injury. Preoperative interpretation of magnetic resonance imaging studies was used to diagnose tears of the subscapularis tendon in 14 shoulders and biceps tendon subluxation or dislocation in 6 shoulders. On arthroscopic examination, one patient was found to have a partial-thickness tear that was treated with arthroscopic debridement. Six shoulders had full-thickness tears of the subscapularis tendon, and seven shoulders had full-thickness tears associated with concomitant biceps tendon pathologic conditions, including subluxation, dislocation, or rupture. The full-thickness subscapularis tendon tears were repaired via an open anterior approach to the shoulder through the deltopectoral groove. Associated biceps tendon injuries were treated with tenodesis of the tendon to the intertubercular groove. Our early followup results have shown that, with proper diagnoses and surgical treatments, patients have greatly decreased pain and marked improvement in shoulder function.

Adolescent↗
PubMed2005

[Scapulohumeral arthrodesis for non-neurological shoulder: a study of 8 cases].

PURPOSE OF THE STUDY: Scapulohumeral arthrodesis is mainly used for the treatment of sequelar injury after brachial plexus palsy. Indications are however controversial and limited to patients with non-neurological shoulders. We report a series of eight shoulder arthrodeses performed on non-neurological shoulders in order to determine and detail the current role of this procedure. PATIENTS AND METHODS: The series included eight patients, five men and three women, mean age 47 years (23-87). The dominant side was operated on in two patients and the non-dominant side in six. Seven patients had had at least one shoulder procedure prior to arthrodesis. Arthrodesis was performed for foreign body reaction on a tendon prosthesis in one patients, posttraumatic head necrosis in two, off-centered degenerative joint disease with full thickness rotator cuff tear in three, and multi-directional instability on degenerative joint disease in two. Arthrodesis was performed via a posterior approach in all patients but one using screw fixation associated with external fixation left in place for 2.5 months on average. RESULTS: All patients except one were satisfied with the outcome (basically because of pain relief). Mean active motion was 75 degrees flexion, 65 degrees abduction (arthrodesis at 20 degrees flexion, 25 degrees abduction and 30 degrees internal rotation). Two groups were identified to analyse the absolute Constant score. The score improved 16 points (from 24 to 40) in the group of patients without instability (pain score improved from 3 to 13) and decreased 14 points (from 66 to 52) in the group with instability (due to decreased motion, the mean motion score declining from 38 to 14). Complications included one radial palsy, one nonunion, and one gravity edema of the upper limb. DISCUSSION AND CONCLUSION: Shoulder arthrodesis is more than a salvage method to reduce pain and gain stability. The objective should be to recover useful function (hand-mouth, hand-perineum, brachio-thoracic function). It should be used when prosthetic arthroplasty is not possible (infectious arthritis, advanced degenerative disease in young subjects, loss of glenoid bone stock, failure after treatment of multidirectional instability with degenerative disease). Shoulder arthrodesis still has rare indications because of the predictability of sustained outcome.

Adult↗
PubMed1994

[The value of pneumo-arthro-CT in diagnosis after traumatic shoulder dislocation].

Traumatic subluxation of the shoulder in young patients may result in reluxation after further injury. 18 patients with traumatic subluxation and 22 patients with recurrent subluxation of the shoulder (after primary trauma) were examined by arthroscopy and pneumo-arthro-CT. This minimally invasive procedure showed high accuracy in the diagnosis of the typical glenoid margin and humoral head abnormalities. Nevertheless, arthroscopy cannot be abandoned for planning suitable operative treatment.

Adolescent↗
PubMed1992

[Isolated injury of the subscapular muscle tendon].

Avulsion of the subscapularis tendon is caused by a combined abduction and external rotation trauma of the upper limb. Weakness of internal rotation and a positive apprehension test are clinical signs of the injury. A fracture of the lesser tuberosity in the x-ray film or a disruption of the subscapularis tendon documented in dynamic sonography of the shoulder clarify the diagnosis. Operative treatment is indicated of prevent weakness of internal rotation as well as anterior instability. This recommendation is supported by four cases with full range of motion and good anterior stability after surgery.

Adolescent↗
PubMed1995

[Isolated rupture of the tendon of the supra spinatus muscle. Results of 49 surgical repair].

PURPOSE OF THE STUDY: The purpose of this study was to assess the results of surgical repairs in 49 << isolated >> tears of the supra- spinatus in 49 patients, 32 males and 17 females. MATERIAL AND METHODS: The average age at operation was 54,2 years (35 to 72) and the dominant side was injured in 30 patients (12 opposite side and 5 unknown). According to Constant's score the pain was permanent in 23 patients, it occurred at moderate exertion in 21 patients and at important exertion in 5. The average pain duration was 43,4 months (0 to 360 months). The range of motion was normal (40 points) in 24 patients, diminished in 15 (30 points), very diminished (10 points) in 7 and the shoulder was stiff in one patient (2 files were uncomplete). All the patients were disturbed in daily living activity and the strength assessment was disturbed because of the pain. In all cases we performed an anterior acromioplasty. At operation, 39 patients had an isolated tear of the supra-spinatus and 10 an associated tear of the long head of the biceps (7 tendinities, 1 dislocation and 2 ruptures). The size of the rupture was less than 2 cm2 in 21 cases comprised between 2 and 5 cm2 in 27 and greater than 5 cm2 in one case. The surgical procedure was a Neviaser's technique in 4 cases, a single suture in 19, a transosseous suture in 19 and a deltoid muscular flap in 7 cases (large retracted tear), in addition we performed 14 resections of the distal end of the clavicle and 4 tenodesis of the long head of the biceps. RESULTS: The results were assessed according to Constant's score on 46 patients (3 lost to follow-up), the average follow-up was 31,5 months (12 to 86). The average scores were: pain 12,3 points (3 to 15), range of motion 35,5 (14 to 40), daily living activity 17,4 (8 to 20), and strength 11,4 (< > side = 14,8 points). The total Constant's scores were 75,7 per cent (actual score) and 88,3 per cent (weighted score), according to the weighted score 24 patients had 100 per cent; 9 were comprized between 85 and 100, 5 between 65 and 85, and 8 were less than 65 per cent. The average post-operative acromio-humeral height was 9,84 mm (pre-operative height = 11 mm). DISCUSSION - CONCLUSION: If we compare the results in terms of surgical procedure the difference was not statistically significant although the transosseous suture was not so good: single suture 91,5 per cent, deltoid muscular flap 90,9 per cent, Neviaser's technique 87 per cent, and transosseous suture 79,1 per cent. Nevertheless the results are not so good (p = 0,01) if it is an industrial injury and if the post operative acromio-humeral height is diminished. On the other hand, age, sex, duration of the pain, occupation, tenodesis of the long head of the biceps and resection of the distal end of the clavicle don't have any pejorative influence on the results.

Acromion↗
PubMed1997

[Indirect MR arthrography in the diagnosis of lesions of the labrum glenoidale].

PURPOSE: It has been shown that intravenous administration of contrast media produces an MR arthrographic effect without the need for intraarticular injection. This is the first study evaluating this new technique of indirect MR arthrography in the diagnosis of glenoid labrum tears. METHODS: 28 patients with clinically suspected labral injuries were prospectively investigated (1.5 Tesla, flexible surface coil). A plain MR examination of the shoulder (transverse and oblique-coronal orientation, T1-weighted spin- [TE/TR 15/675], proton density- and T2*-weighted gradient echo [TE/TR/Flip 14,32/600/30 degrees] sequences) and indirect MR arthrography (transverse and oblique-coronal orientation, fat-suppressed T1-weighted spin-echo sequences [TE/TR 15/675], intravenous injection of gadopentetate dimeglumine [0.1 mmol/kg], followed by 10-15 min of joint movement) were performed. Results were confirmed by arthroscopy and/or open surgery. RESULTS: Indirect MR arthrography significantly improved delineation of the glenoid labrum and hyaline cartilage (p < 0.05). Sensitivity and specificity of indirect MR arthrography in the diagnosis of labral injuries were 90% and 89%, compared to 79% and 67% of the native MR examination. CONCLUSION: Indirect MR arthrography is a promising non-invasive technique in the evaluation of the glenoid labrum.

Adult↗
PubMed2001

[Injury pattern in shoulder dislocation in the elderly patient].

PROBLEM: Recurrent shoulder dislocation is reported to be rare in older patients. While injuries of the glenoid labrum and the anterior capsule following primary dislocation in younger patients seem to determine the rate of instability, the pattern of damages in the elderly has rarely been studied. METHODS: 91 patients with an age older than 40 years with the diagnosis of primary (group A, n = 50) or recurrent (group B, n = 41) anterior shoulder dislocation were included in a prospective study. By analysis of the findings in x-rays, MRI, CT-scans and in 36 patients of diagnostic arthroscopy the pattern of intra- and periarticular pathology was evaluated. RESULTS: While the incidence of bony Bankart- and Hill-Sachs lesions was constantly spread over the age groups the pattern of soft tissue damages was different. Up to the age of 60 years lesions of the glenoid labrum were leading while in older patients the prevalence of rotator cuff tears became about 70 percent. CONCLUSIONS: The development of secondary osteoarthritis and persisting symptoms in older patients with rotator cuff tears after traumatic shoulder dislocation requires early diagnosis and appropriate treatment.

Adult↗
PubMed2001

Technique for repair of the subscapularis tendon.

Patients with sudden loss of active motion after an external rotation or hyperextension injury should be viewed with a high index of suspicion for a subscapularis tear. Exaggerated external rotation and the presence of a positive lift off or belly press test on physical examination combined with appropriate imaging studies will lead to an early diagnosis. Careful surgical repair combined with a thoughtful rehabilitation program will lessen both the length and degree of disability from this clinical entity.

Accidental Falls↗
PubMed2006

Baseball and softball injuries.

Baseball and softball injuries can be a result of both acute and overuse injuries. Soft tissue injuries include contusions, abrasions, and lacerations. Return to play is allowed when risk of further injury is minimized. Common shoulder injuries include those to the rotator cuff, biceps tendon, and glenoid labrum. Elbow injuries are common in baseball and softball and include medial epicondylitis, ulnar collateral ligament injury, and osteochondritis dissecans. Typically conservative treatment with relative rest, medication, and a rehabilitation program will allow return to play. Surgical intervention may be needed for certain injuries or conservative treatment failure.

Athletic Injuries↗
PubMedDate not supplied

Superior labrum-biceps tendon complex lesions of the shoulder.

The detachment of the superior labrum from anterior to posterior has previously been reported. This lesion has been classified into four types. It was our impression that not all superior labrum abnormalities fit into such a classification system and that the mechanism of injury was distinctly different. During a 5-year period, 84 of 712 (11.8%) patients had significant labral abnormalities; 52 of 84 patients (6.2%) had lesions that fit within the classification system (Type II, 55%; III 4%; IV, 4%), but 32 of 84 patients (38%) had significant findings that could not be classified. These unclassifiable lesions fit into three distinct categories. Two of three patients described a traction injury to the shoulder. Only 8% sustained a fall on an outstretched arm; 75% had a preoperative diagnosis of impingement based on consistent history and provocative testing; however, when examined under anesthesia, 43% of the shoulders were considered to have increased humeral head translation when compared with the other shoulder. Recognition of superior labrum-biceps tendon detachment should prompt the surgeon to investigate glenohumeral instability as the source of a patient's complaints.

Acromion↗
PubMedDate not supplied

The shoulder in baseball pitching: biomechanics and related injuries-part 2.

The extreme range of motion at the shoulder, the high angular velocities and torques, and the repetitious nature of the pitching motion combine to make the shoulder vulnerable to injury during the baseball pitch. An understanding of the biomechanics that contribute to shoulder injuries during each phase of the pitching motion can facilitate the athlete's diagnosis, treatment, and rehabilitation. The athlete's symptoms and signs, as well as radiographic imaging, are key elements in arriving at a diagnosis of shoulder injuries. Nonoperative treatment consisting of an initial period of rest and NSAIDS, followed by physical therapy and a gradual return to activity, is usually successful. When this approach fails, surgical intervention, either arthroscopic or open, may be necessary. Physical therapy and rehabilitation are directed toward restoring the integrity and strength of the dynamic and static stabilizers of the shoulder joint, yet preserving the range of motion necessary for performance. Through rehabilitation, the dedicated athlete can often return to the pitching mound at his previous level of performance.

Baseball↗
PubMedDate not supplied

Overutilization of shoulder magnetic resonance imaging as a diagnostic screening tool in patients with chronic shoulder pain.

This was a retrospective study of 101 consecutive patients (104 shoulders) with chronic, atraumatic shoulder pain who were evaluated by a fellowship-trained shoulder specialist. The patients were assessed with a complete history, physical examination, plain radiographs, Simple Shoulder Test, and visual analog scores of pain, shoulder function, and quality of life. Forty-one percent of the shoulders presented with shoulder magnetic resonance imaging (MRI). Data analysis was performed to determine the effect of pre-evaluation MRI on patient treatment and outcome. There were no statistically significant differences in age, sex, affected shoulder, insurance status, mechanism of injury, comorbid conditions, range of motion, treatment, initial outcome parameter assessments, or improvement of outcomes between the patients who had pre-evaluation MRI and those who did not. The majority of the pre-evaluation MRI scans had no impact on the outcome. Routine pre-evaluation with MRI does not appear to have a significant effect on the treatment or outcome and should not be used as a screening tool for atraumatic shoulder pain before a comprehensive clinical evaluation of the shoulder.

Adolescent↗
PubMed1998

In-season management of shoulder pain in a collegiate swimmer: a team approach.

Shoulder pain is a common problem among competitive swimmers, often limiting their ability to train and compete. Although a number of rehabilitation programs for shoulder injuries have been reported in the literature, there is a lack of objective data regarding the effectiveness of these protocols in the competitive swimming population. This case report describes the evaluation and treatment of shoulder pain in an NCAA Division I swimmer during the competitive season. Once a physical therapy diagnosis was made, a plan of care was developed to address each component impairment. This required the input of the team trainers, the team physician, and an orthopaedic surgeon. A chief component of the athlete's rehabilitation involved allowing the athlete to compete, but not practice. Excellent results were achieved, as evidenced by symptom reduction and swimming performance. This case report highlights the interactive, team approach necessary for optimal management of the injured athlete.

Adult↗
PubMed2005

Arthroscopic reconstruction of an isolated avulsion fracture of the lesser tuberosity.

Isolated avulsion fracture of the lesser tuberosity represents an extremely rare injury that occurs mainly in younger patients. This report outlines the case of a 35-year-old healthy man who sustained a bony avulsion of the subscapularis tendon during an abduction external rotation trauma to his left shoulder. The injury was diagnosed by physical examination, standard radiographs, and magnetic resonance imaging. An arthroscopic reconstruction including closed reduction and internal fixation using suture anchors was performed. After a follow-up of 6 months, the patient's Constant Score increased from 62.4 points preoperatively to 91.3 points. At the latest follow-up, the patient was completely pain free, had regained a full work activity level, and returned to overhead sports. On postoperative standard radiographs and magnetic resonance images, the bony fragment was shown to be consolidated in an anatomic position. In cases of displaced isolated fractures of the lesser tuberosity without significant subluxation or dislocation of the long head of the biceps arthroscopic reconstruction using suture anchors can lead to a good clinical and radiological result.

Adult↗
PubMed1996

Humeral avulsion of the anterior shoulder stabilizing structures after anterior shoulder dislocation: demonstration by MRI and MR arthrography.

OBJECTIVE: To demonstrate the MRI findings of an anterior shoulder capsular avulsion from the humerus, with or without subscapularis rupture, after anterior dislocation or severe abduction external rotation injury. DESIGN AND PATIENTS: We retrospectively reviewed the MRI and MR arthrographic examinations of seven patients who were identified at surgery with avulsion of the anterior shoulder stabilizers from the humerus. MRI was correlated with clinical history and surgical results. RESULTS: MRI findings included: inhomogeneity or frank disruption of the anterior capsule at the humeral insertion (all), fluid intensity anterior to the shoulder (six patients), tear of the subscapularis tendon (six patients), dislocation of the biceps tendon (four patients), and a Hill-Sachs deformity (four patients). MR arthrography additionally found extravasation of contrast through the capsular defect (two patients). CONCLUSIONS: Our findings suggest that MRI is helpful for diagnosing humeral avulsion of the anterior glenohumeral capsule, especially when a tear of the subscapularis tendon insertion is present. MR arthrography may be of benefit for diagnosing capsular avulsion without associated subscapularis tendon abnormality.

Adult↗
PubMed2000

Superior labrum anterior-posterior lesions: diagnosis with MR arthrography of the shoulder.

PURPOSE: To determine the accuracy of magnetic resonance (MR) arthrography in the diagnosis of superior labrum anterior-posterior (SLAP) lesions of the shoulder. MATERIALS AND METHODS: From January 1995 to June 1998, MR arthrography of the shoulder was performed in 159 patients with a history of chronic shoulder pain or instability. Fifty-two patients underwent arthroscopy or open surgery 12 days to 5 months after MR arthrography. Diagnostic criteria for SLAP lesion included marked fraying of the articular aspect of the labrum, biceps anchor avulsion, inferiorly displaced bucket handle fragment, and extension of the tear into the biceps tendon fibers. Surgical findings were correlated with those from MR arthrography. RESULTS: SLAP injuries were diagnosed at surgery in 19 of the 52 patients (37%). Six of the 19 lesions (32%) were classified as type I, nine (47%) as type II, one (5%) as type III, and three (16%) as type IV. MR arthrography had a sensitivity of 89% (17 of 19 patients), a specificity of 91% (30 of 33 patients), and an accuracy of 90% (47 of 52 patients). The MR arthrographic classification showed correlation with the arthroscopic or surgical classification in 13 of 17 patients (76%) in whom SLAP lesions were diagnosed at MR arthrography. CONCLUSION: MR arthrography is a useful and accurate technique in the diagnosis of SLAP lesions of the shoulder. MR arthrography provides pertinent preoperative information with regard to the exact location of tears and grade of involvement of the biceps tendon.

Adult↗
PubMed1997

Operative treatment of irreparable rupture of the subscapularis.

Between 1980 and 1994, 221 shoulders with recurrent anterior glenohumeral subluxation or dislocation were reconstructed at our institution. At the time of the operation, thirteen shoulders were found to have an irreparable injury of the subscapularis muscle, which we believed to be a contributing factor to the ongoing instability. All but three of the thirteen patients had had two to six previous reconstructions. Operative treatment of the irreparable rupture included a dynamic muscle transfer using the pectoralis major in seven shoulders, the pectoralis minor in five, and both of these muscles in one. According to a modification of the grading system of Neer and Foster, the result was satisfactory for ten shoulders and unsatisfactory for three at a mean of five years after the operation. All shoulders with a satisfactory result demonstrated active contraction of the transferred pectoralis muscle and diminished anterior glenohumeral translation. On the basis of our analysis, we concluded that transfer of the pectoralis muscle is effective for reconstruction of the shoulder in patients who have loss of the subscapularis muscle.

Adult↗
PubMed1996

[Biomechanics of the shoulder and therapeutic applications].

The influence of biomechanics in surgery of the locomotor apparatus has been constantly increasing over the last few decades. The purpose of this study was to determine wether biomechanical studies can significantly influence therapy and treatment of shoulder injuries, especially shoulder instability. The investigation was performed on 23 fresh human specimens with intact capsular ligaments of the glenohumeral joint. A Bankart lesion from 3 o'clock to 6 o'clock was repaired, and a Bankart repair and anterior inferior capsular shift, as described by Neer, were performed. The measurement was done on six clinically relevant positions of instability: superior, anterior, anterior-inferior, inferior, posterior-inferior, posterior. Measurement was done using a specially developed strain-gauge system. It was demonstrated that both instability and too much stability of the shoulder joint lead to a significant change in shoulder biomechanics. The anatomical O-position of the glenohumeral joint in 110 degrees of abduction is a position of about 60 degrees of external rotation compared to the O-position for clinical measurement. From the therapy point of view, one has to ask for anatomical reconstruction instead of tight repair in soft-tissue repair in the glenohumeral joint. Immediate post-operative rehabilitation in a 60 degrees range of motion is possible.

Adult↗