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PubMed1984

The significance of preoperative shoulder arthrography in painful arc patients.

Preoperative shoulder arthrography was performed on 34 patients with painful arc syndromes. Rotator cuff rupture was diagnosed in 20 cases. Out of these the arthrography correctly showed rupture in 17 cases, while in one case rupture was not seen and two examinations were unsuccessful. Rotator cuff rupture was not found in 14 cases at operation. Of these, arthrography had been negative in eight cases and in six cases the rupture had merely been suspected. Sensitivity of shoulder arthrography in showing rotator cuff rupture was thus 85%, specificity 57% and accuracy 74%. The biceps tendon was intact in all cases with rotator cuff rupture. So-called "bicipital leakage" was seen in four cases, but its significance remains unclear.

Adult↗
PubMed1998

Sonography of the Shoulder.

A great amount of work in musculoskeletal sonography has focused on evaluation of the shoulder and rotator cuff. This is primarily due to the fact that the shoulder is a common site of symptomatology and clinical evaluation is difficult. Even though sonography of the rotator cuff is more difficult than other large tendons, there has been constant incentive to develop and refine shoulder sonography. In the past five years there have been dramatic improvements in high resolution transducers, as well as advances in our understanding of the technique of shoulder sonography and more widespread agreement of the findings seen with rotator cuff tears. All of these factors have contributed to making the exam easier to perform and interpret than in the past. Ultrasound has now evolved into a mature modality for evaluating rotator cuff tears with expected sensitivities of better than 90%.

Journal Article↗
PubMedDate not supplied

Inferior subluxation of the humeral head after trauma or surgery.

Inferior subluxation of the humeral head can occur after shoulder trauma or surgery. One hundred consecutive patients were evaluated prospectively after shoulder surgery or injury. The radiographic incidence of inferior subluxation of the humeral head 2 weeks after rotator cuff repair was 10%. The radiographic incidence of inferior subluxation after fracture of the proximal humerus was 42%, and the incidence 2 weeks after prosthetic humeral head replacement was 60%. The immediate postoperative radiograph showed an inferior subluxation of the humeral head in 4% of patients after prosthesis insertion, but no subluxations were seen immediately after rotator cuff repair. Radiographs made immediately after fracture of the humerus showed a 16% incidence of inferior subluxation. The inferior subluxation resolved by 6 weeks in 92% of patients with humeral fractures, 96% of patients with humeral head prostheses, and all patients who had undergone rotator cuff repair. No subluxations were seen 2 years after injury or surgery. The treatment used--early active exercises and a sling when not exercising--was effective.

Adult↗
PubMed1998

Magnetic resonance imaging of the shoulder in the primary care setting.

MRI is an excellent noninvasive method of diagnosing difficult shoulder problems. Although usually not needed for classic primary impingement syndrome or clinically obvious rotator cuff tears, MRI may be helpful in diagnosing secondary causes of impingement or in some cases involving partial rotator cuff tears. Some surgeons may use MRI preoperatively to define the extent of the rotator cuff tear, as this may alter their surgical approaches.

Diagnosis, Differential↗
PubMed1997

The role of shoulder fusion in the era of arthroplasty.

The indications, surgical techniques, results and complications of shoulder fusion are described. The indications are bacterial infection, paralytic disorders in infancy, combined deltoid and rotator cuff paralysis, post-traumatic brachial plexus lesions, inflammatory arthritis with severe rotator cuff involvement, failed arthroplasty, recurrent dislocation, after resection of tumours, irreparable rotator cuff tear, painful arthritis in a patient whose activities require power but not movement, the immunocompromised patient, and tuberculosis. Satisfactory results are achieved in children with isolated shoulder paralysis, but in adults loss of glenohumeral movement is associated with about 50% loss of function. The best results are obtained in cases of isolated shoulder paralysis with a normal arm and hand distally. The most frequent complications are nonunion (5-20%), fracture of the ipsilateral humerus (10-15%) and infection (3-5%). Other causes of failure are functional limitation, fusion in malposition, functional involvement of the distal joints, acromioclavicular dislocation, suprascapular traction neuritis, failure or migration of an internal fixation device, epiphyseal problems, and the complications of using an allograft. Shoulder replacement is most likely to be chosen for most destructive shoulder disorders, but fusion is useful in certain cases.

Adult↗
PubMed2000

[Unreamed antegrade humeral interlocking nailing].

In a prospective clinical study 111 fractures of the humerus in 109 consecutive patients were stabilized with unreamed antegrade interlocking nailing. 97 patients were evaluated with individual follow-up, in the mean at 24.2 months postoperatively. Mean fracture consolidation time was 12.3 weeks (9-16 weeks). Five patients presented a non union. At follow-up 19 patients had a limitation in motion of the shoulder, in the mean with 20% compared to the opposite side. Eight patients had permanent shoulder pain, in nine patients shoulder pain occurred during manual strain of the upper limb. Neither limitation of motion nor pain at the elbow region was present in all cases at follow-up. Ultrasound examination revealed in six cases a lesion of the rotator cuff, which was linked in these cases with permanent pain at the shoulder joint. In five patients a prominent nail tip at the entrance point caused a lesion of the rotator cuff with impingement syndrome. Eight out of nine preoperative palsies of the radial nerve recovered within a mean period of 4.3 months without operative measurements. Unreamed antegrade interlocking nailing of humeral fractures is a safe technique regarding consolidation rate with advantages regarding early mobilization of the upper limb. Careful suturing of the rotator cuff and countersinking of the proximal nail tip at the entrance point is a prerequisite in avoiding permanent lesions of the rotator cuff and shoulder pain.

Adolescent↗
PubMed2006

[Non traumatic pathology of the shoulder: when to perform surgery?].

Non traumatic pathology of the shoulder was broken down in four entities: (1) articular stiffness are best treated with rehabilitation and an arthroscopic arthrolysis is rarely recommended; (2) rotator cuff pathology is represented by calcifying and non calcifying tendinitis, partial and full thickness rotator cuff tears; surgical treatment is performed nowadays under arthroscopy; after 50 years old, surgery is indicated after failure of conservative treatment; (3) glenohumeral osteoarthritis and arthritis are best treated with prosthesis; the results are now comparable to hip arthroplasty; (4) chronic acromio-clavicular pathology is usually treated conservatively.

Adult↗
PubMed2006

To detach the long head of the biceps tendon after tenodesis or not: outcome analysis at the 4-year follow-up of two different techniques.

The aim of this study was to determine whether or not detaching the biceps tendon from the glenoid after tenodesis performed with the inclusion of the biceps in the rotator cuff suture results in an improved outcome. From 1999 to 2001, 22 patients had an arthroscopic rotator cuff repair and associated biceps tendon lesions that were repaired with two new arthroscopic techniques of tenodesis incorporating the biceps tendon in the rotator cuff suture. Patients were randomised into one of two groups: tenodesis without tenotomy (group 1) and tenodesis with tenotomy (group 2). Preoperative and postoperative functions were assessed by means of a modified UCLA rating scale and shoulder ROM. The mean follow-up period was 47.2 months (range 36- 59). In group 1 (tenodesis without tenotomy), eight patients had an excellent postoperative score and three a good postoperative score. The UCLA rating system used for evaluation showed a statistically significant improvement from the preoperative average rating of 10.5 (5-15) to the postoperative average score of 33 (29-35) (P<0.05). In group 2 (tenodesis with tenotomy), the UCLA rating system used for evaluation showed a statistically significant improvement from the preoperative rating of 11.1 to the postoperative score of 32.9 (P<0.05). No statistically significant difference in the total UCLA scores was found when comparing the repairs performed with or without tenotomy. Follow-up results with regard to ROM were not different between the two groups, and the range of motion was improved in all measured directions. In this series, every patient qualified as having good to excellent results according to the UCLA score. This study suggests that there is no difference between detaching and not detaching the biceps after including it in the repair.

Adult↗
PubMed1996

[MR arthrography of the shoulder joint in a postoperative patient sample].

Indications of MR arthrography were analyzed in this prospective study. The aim was to evaluate possible advantages over conventional MRI, establish diagnostic criteria and to analyze its meaning further for the therapeutic management of postoperative patients. MR arthrography was performed in eight patients who had undergone surgical repair of rotator cuff lesions (modified Neer acromioplasty) and in six patients who had undergone arthroscopic therapy of recurrent unidirectional dislocation of the shoulder by combined arthroscopic intra- and extracapsular repair. MR investigations were performed before and after application of a contrast solution (2 mmol Gd-DTPA). All patients suffered from chronic postoperative pain. In patients with rotator cuff lesions, a partial tear could be verified in one patient and excluded in all others. In patients after arthroscopic therapy by combined intra- and extracapsular repair, a radiologically patulous-appearing capsule correlated with clinically recurrent dislocations. In all other patients diagnostic criteria, such as distribution of the intra-articular contrast solution, proliferation of scar tissue, nodular appearance of the glenohumeral ligaments and capsule thickness, correlated with a regular postoperative status. MR arthrography of the shoulder represents a promising method in the evaluation of the postoperative shoulder. It might further improve the evaluation of reactive capsule alterations, scar tissue proliferation, and the labroligamentous complex, as well as the ability to differentiate partial and complete rerupture from degenerative changes of the rotator cuff.

Adult↗
PubMedDate not supplied

Subacromial injections of corticosteroids and xylocaine for painful subacromial impingement syndrome.

BACKGROUND: Subacromial impingement syndrome, with pain and limited motion, is a common disease encountered daily in clinics. This study determined the efficacy of subacromial injections of corticosteroids and local anesthesia for treatment of painful subacromial impingement syndrome. METHODS: A total of 238 shoulders in 209 patients, with regular follow-up, were enrolled in this study. Mean patient age was 51 years (range 31-72 years). Each patient complained of shoulder pain with progressive motion limitation present for more than one month, which was not relieved by various nonsurgical treatments. The mean duration of symptoms before injection was five months (range 1-12 months). Each patient had a positive Neer impingement sign, Hawkins impingement sign, painful tendon sign, limited range of motion and did not show clinical evidence of a rotator cuff tear. Each patient was administered an injection of 1 ml of 2% Xylocaine and 1 ml of Rinderon suspension. A second injection was administered one week later for patients without obvious improvement. Following injections, patients were instructed to perform a home rehabilitation program for four weeks. Follow-up examinations were scheduled for one, two and four weeks, and three, six, nine and 12 months after injection. Outcome measures included the Constant-Murley score and shoulder range of motion. RESULTS: At follow-up four weeks after the first injection, 216 shoulders (91%) had satisfactory improvement in amount of pain and range of motion: mean improvements in the active range of motion of forward elevation, abduction, internal rotation and external rotation were 56 degrees, 48 degrees, 18 degrees and 22 degrees, respectively. However, at the first year follow-up, the satisfaction rate was slightly down at 88%, and 19 shoulders (8%; 16 patients) had recurrent pain and motion limitation after an average of 5.4 months (range 3-12 months). Each of these patients received another injection. Surgery was recommended for 22 shoulders (9%; 18 patients) that did not have satisfactory improvement. Of these patients, eight shoulders (seven patients) had a partial tear of the rotator cuff and 10 shoulders (eight patients) had complete rotator cuff tears. CONCLUSION: Subacromial injection of corticosteroids and local anesthesia is an effective therapy for the treatment of symptomatic subacromial pathology, such as impingement pain, tendonitis and bursitis. The injection can substantially reduce pain and increase range of motion of the shoulder. If there is no improvement following injections, a rotator cuff tear should be suspected.

Adrenal Cortex Hormones↗
PubMedDate not supplied

Expression of growth factors in the early phase of supraspinatus tendon healing in rabbits.

Growth factors are known to appear during wound healing. We hypothesized that growth factors would also appear during the healing process of a rotator cuff tear. We determined the expression of various growth factors during healing of acute rotator cuff tears in the rabbit. We made a full-thickness defect in the supraspinatus tendon of 27 Japanese white rabbits. The shoulders were harvested on days 1, 3, 5, 7, 9, 11, 14, 21, and 28 postoperatively (n = 3 at each time point). We assessed the expression of basic fibroblast growth factor, insulin-like growth factor 1, platelet-derived growth factor, and transforming growth factor beta. Basic fibroblast growth factor appeared with its peak on days 7 and 9, insulin-like growth factor 1 appeared with its peak on day 5, platelet-derived growth factor appeared with a mild expression between days 7 and 14, and transforming growth factor beta appeared with constant mild expression throughout the observation period. It is likely that each of these growth factors plays a role in the early phase of healing of the supraspinatus tendon in rabbits.

Animals↗
PubMed1992

Shoulder impingement syndrome: impingement view and arthrography study based on 100 cases.

A prospective evaluation combining the shoulder impingement view and arthrography was made in patients presenting with chronic shoulder pain. Five hundred and twenty-three patients with chronic shoulder pain were X-rayed using conventional views and impingement views. One hundred of these patients (mean age 62 years) had subacromial bony spurs on the impingement view; these underwent arthrography. They were divided into two groups according to the degree of spur formation--whether or not the size of the spur exceeded one half of the acromial width as measured from the outer margin to the acromioclavicular joint. Of the 100 subacromial spurs demonstrated on the impingement view, only 18 were visible on the conventional view as assessed by an independent radiologist. Arthrography showed 35 cases of rotator cuff tear. The size of the bony spur was strongly associated with the incidence of rotator cuff tear (P < 0.02).

Acromion↗
PubMed2005

[Shoulder arthrodesis with vascularized fibular graft after tumor resection of the proximal humerus].

PURPOSE OF THE STUDY: Resection of malignant tumors of the proximal humerus often requires dissection of the rotator cuffs and the deltoid muscle. There is no consensus on the ideal method for shoulder reconstruction. We report the functional outcome in a homogeneous series of eight patients treated by arthrodesis using a vascularized free fibular flap. MATERIAL AND METHODS: Eight patients were included in this study. All had an aggressive tumor of the upper humerus. Tumor resection was associated with a rotator cuff and deltoid muscle resection in all patients. All patients then underwent shoulder arthrodesis using a free vascularized fibular flap fixed with a plate. Clinical and radiological evaluation was available for six patients at mean 28 months. The Musculoskeletal Tumor Society function score was used to assess overall function of the upper limb. The cosmetic outcome and radiographic bone healing as well as hypertrophy of the fibular graft were noted. RESULTS: Active abduction and active flexion were 82 degrees on average. All patients could bring their hand to the mouth. Circumduction was possible but limited in amplitude. The mean function score was 26.5/30 with an excellent functional outcome in all patients. The cosmetic outcome was considered poor by all patients. Radiographically, bone healing was achieved at last follow-up in all patients but there was one case of failed fusion between the fibular graft and the scapula which required secondary iliac grafting. Mean fibular graft hypertrophy was 32.8% at last follow-up. DISCUSSION AND CONCLUSION: Two reconstruction methods have been described for patients who require tumor resection of the upper humerus: reconstruction with preservation of glenohumeral joint function and shoulder arthrodesis. Many techniques have been described for each method. It is however difficult to compare the different series reported in the literature because rotator cuff and deltoid muscle resection was not systematically performed and reconstruction methods varied between patients. An analysis of the literature shows that preservation of motion of the scapular glenoid joint can give good functional results when the rotator cuff and deltoid muscle can be preserved. If they cannot, results favor shoulder arthrodesis which provides the patient with very satisfactory upper limb function. Use of a vascularized fibular flap has provided very good arthrodesis results. The patient must however be informed of the probable poor final cosmetic result.

Adolescent↗
PubMed1986

Anterior and posterior shoulder instability. A cadaver study.

In a cadaver study of 10 glenohumeral joint specimens, the anterior and posterior displacement of the humeral head was recorded after cutting parts of the rotator cuff and capsular structures applying a constant force to the humerus. The posterior structures were important for anterior stability in the first 40 degrees of abduction. Anterior subluxation was changed to luxation in the first half of abduction, but only after lesions to the anterior part of the rotator cuff and upper half of the anterior capsule. For posterior displacement, the posterior part of the rotator cuff was found significant from 0-90 degrees of abduction, and the posterior capsule between 40 degrees and 90 degrees of abduction. The anterior part of the rotator cuff and the upper part of the anterior capsule were essential in the first 40 degrees of abduction. Cutting the capsular structures only, we found that the entire anterior capsule resisted anterior displacement for 70-90 degrees of abduction, and the entire posterior capsule from 50-90 degrees of abduction. For posterior displacement, the entire posterior capsule was important from 60 to 90 degrees of abduction. Clinically, a large lesion to the posterior structures seems to be essential for any major anterior displacement, and posterior displacement leading to subluxation only seems possible in connection with a major anterior injury.

Biomechanical Phenomena↗
PubMed1994

Treatment of primary anterior shoulder dislocation in patients older than 40 years of age. Conservative versus operative.

Primary shoulder dislocation in patients older than 40 years of age is frequently benign, but may be associated with significant rotator cuff or nerve injury. A series of such patients was observed to determine an effective treatment algorithm. Treatment of those dislocations associated with fractures of the greater tuberosity was determined by the fracture pattern. Four patients with glenoid fractures were all treated operatively. Patients without associated fractures were classified according to the absence or presence of significant pain or weakness after 3 weeks. Of 27 patients who were symptom free at 3 weeks, only four had associated problems after 3 months. All of 13 patients complaining of weakness or pain after 3 weeks had significant associated lesions (11 rotator cuff tears, 2 cuff tears plus neurologic deficit). The persistence of significant pain or weakness 3 weeks after primary dislocation in this age group is an indication for further investigation (arthrography or ultrasound). While recurrent instability is relatively uncommon, rotator cuff repair when appropriate in medically fit patients resulted in pain relief and return of strength.

Age Factors↗
PubMed1992

[The incidence and role of the os acromiale in the acromiohumeral impingement syndrome].

Os acromiale (an apparently supernumerary bone) corresponds to persistence of the lateral end of acromion ossification nucleus over 18 years of age. Os acromiale is articulated with the clavicle and the base of acromion; its incidence is high and often bilateral. A rarer variant is secondary os acromiale, lying between acromion and great humeral tuberosity. Both variants predispose to the onset of pain due to acromiohumeral impingement. Rotator cuff tears are frequently associated due to direct injury to subacromial compartment structures and to overtraction of acromiocoracoid ligament following functional overuse. Three hundred and ninety-eight patients were examined (313 males and 85 females, aged 12 to 71 years): 265 of them underwent conventional radiography with specific projections for the shoulder and 133 underwent CT. Dysplasia was observed in 9.55% of cases (38 patients), which is in agreement with reports by other authors. CT demonstrates the presence of os acromiale better than specific radiographic projections, without requiring painful patient positioning. Axial CT scans allow the depiction of subacromial compartment structures that cannot be demonstrated by US. The evident and frequent association of arthrotic-degenerative acromioclavicular alterations even after os acromiale assimilation confirms the close relationship of the latter bone to rotator cuff conditions, especially to rotator cuff tears. In our opinion, the correct description of this finding has high prognostic value in the subjects likely to experience functional shoulder overuse and allows the correct etiopathogenesis of pain. Therefore CT, which is an elective imaging method especially suited to demonstrate calcium-density structures, thanks to its high spatial and contrast resolution, can be used concurrently with MR imaging because it is less expensive and more easily available.

Acromioclavicular Joint↗
PubMed1993

Shoulder impingement syndrome: diagnosis, radiographic evaluation, and treatment with a modified Neer acromioplasty.

Seventy-one patients who had shoulder impingement syndrome were managed operatively with a modified Neer acromioplasty: thirty-seven, who had an intact rotator cuff, had a modified acromioplasty, and thirty-four, who had a torn cuff, had a modified acromioplasty and repair of the cuff. In the classic anterior acromioplasty as described by Neer, emphasis is placed on resection of the inferior prominence of the acromion. We believe that the removal of only the inferior prominence is insufficient, as often too much of the anterior aspect of the acromion protrudes beyond the anterior border of the clavicle. This portion of the acromion continues to irritate the subacromial bursa and the rotator cuff and to produce symptoms of impingement. Our modified acromioplasty is done in two steps: the portion of the acromion that projects anteriorly beyond the anterior border of the clavicle is resected vertically and then an anteroinferior acromioplasty is performed. We studied the results in patients who had been operated on by the senior one of us and who had been followed clinically for a minimum of two years. At the most recent follow-up visit, no difference in terms of pain and function was found between the patients who had had the modified acromioplasty only (Group I) and the patients who had had the modified acromioplasty and repair of the rotator cuff (Group II); thirty-three (89 per cent) of the patients in Group I and thirty (88 per cent) of those in Group II had a good or excellent result.

Acromion↗
PubMed1989

Double-contrast computed tomography of the shoulder.

As a modality for the study of abnormalities of the shoulder, double-contrast computed tomography (CT) is accurate, is relatively easy to perform, and requires only a low dose of radiation. The results can be extremely helpful in preoperative planning. In this study, CT images were obtained for 247 patients who had undergone routine double-contrast shoulder arthrography. Abnormalities shown on CT images included glenoid labrum attenuation and tears, glenoid fractures, loose joint bodies, intracapsular staples, intra-articular screws, adhesive capsulitis, rotator cuff tears, peritendinitis calcarea, biceps tendon tears, and capsular abnormalities. In the 41 cases in which surgical correlation was available, all of the confirmed abnormalities had been identified on double-contrast CT images. Of the patients with rotator cuff tears, 80% had other abnormalities of the shoulder, and 48% had glenoid labrum tears. Of the patients with peritendinitis calcarea, 40% had glenoid labrum tears, and 33% had rotator cuff tears. Double-contrast CT studies of the shoulder are recommended when patients experience a decrease in range of motion, persistent shoulder pain, or signs of instability. Frequently, patients with rotator cuff tears and peritendinitis calcarea have coexisting abnormalities.

Adolescent↗

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