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PubMed2002

Pushing and pulling in association with low back and shoulder complaints.

AIMS: To examine the association between exposure to pushing/pulling at work and low back and shoulder complaints. METHODS: A cross sectional questionnaire survey was carried out among 434 workers from several companies with mainly pushing/pulling tasks. From the same companies 188 workers without physically demanding tasks served as reference. The questionnaire was used to assess the exposure to pushing/pulling and other physical risk factors for low back and shoulder complaints. Mean scores at company level were used to classify groups into medium and high exposed to pushing/pulling and a reference group. Psychosocial factors at work were also assessed. Several pain related questionnaires were used to assess the 12 month prevalence of low back and shoulder complaints in three dimensions: trouble (ache, pain, discomfort), pain intensity, and disability. Prevalence rate ratios (PRs) were calculated using Cox's proportional hazards regression analysis. RESULTS: The 12 month prevalence of low back complaints was almost equal for all three groups. The prevalence of shoulder complaints increased with an increase in exposure level. Adjusted PRs showed that the high exposed group had an increased risk for low back complaints compared to the reference group. For all dimensions of shoulder complaints a clear tendency towards a dose-response relation was observed. The high exposed group had significant PRs for shoulder complaints, ranging from 2.09 to 6.37. Generally, psychosocial factors had a confounding effect for pain intensity and disability, but not for trouble. CONCLUSIONS: For shoulder complaints a dose-response relation was observed for exposure to pushing/pulling. Low back complaints were less consistently associated with pushing/pulling. Stronger associations were observed for more severe cases of low back and shoulder complaints. It is hypothesised that work related psychosocial factors affect these associations.

Adult↗
PubMed2002

Work environment and neck and shoulder pain: the influence of exposure time. Results from a population based case-control study.

OBJECTIVES: To study associations between long term and short term exposure to different work environmental conditions and the incidence of neck or shoulder pain. The results were obtained as part of the MUSIC-Norrtälje study, which is a population based case-control study conducted in Sweden in 1993-7. METHODS: The cases were people from the study base who sought medical care or treatment for neck or shoulder pain. Information on physical and psychosocial conditions in the work environment, currently and 5 years ago, and lifestyle factors, was obtained by self administered questionnaires from 310 cases and 1277 randomly selected referents. RESULTS: Associations between both physical and psychosocial exposures in the work environment and seeking care for neck or shoulder pain were found. The risk patterns differed for the sexes, and risk ratios exceeding 1.5 were more often found among women than among men. Generally, subjects who had experienced a recent increase of exposure were more likely (relative risk (RR) 2.1-3.7) to seek care than those who had been exposed long term (RR 1.5-1.8). Among women, an increased amount of visual display terminal (VDT) work, work above shoulder level, and reduced opportunities to acquire new knowledge, and among men, an increased amount of seated work were associated with neck or shoulder pain. This might indicate short induction periods for neck or shoulder pain for these exposures. However, for repetitive work with the hands and hindrance at work among women, and possibly also local vibrations among men, the induction periods seem to be longer. Interactive effects between factors, both at work and in the family, were found, but only among women. CONCLUSIONS: Associations between some exposures in the work environment and seeking care for neck or shoulder pain were found. The high RRs for short term exposure might indicate that for many factors the induction period for neck or shoulder pain is short.

Adult↗
PubMed2004

Frozen shoulder: MR arthrographic findings.

PURPOSE: To evaluate the magnetic resonance (MR) arthrographic findings in patients with frozen shoulder. MATERIALS AND METHODS: Preoperative MR arthrograms of 22 patients (six women, 16 men; mean age, 54.7 years) with frozen shoulder treated with arthroscopic capsulotomy were compared with arthrograms of 22 age- and sex-matched control subjects without frozen shoulder. The thickness of the coracohumeral ligament (CHL) and the joint capsule, as well as the volume of the axillary recess, were measured (Mann-Whitney test). Abnormalities in the CHL, subcoracoid fat, superior glenohumeral ligament, superior border of the subscapularis tendon, long biceps tendon, and subscapularis recess were analyzed in consensus by two blinded radiologists (chi(2) test). RESULTS: Patients with frozen shoulder had a significantly thickened CHL (4.1 mm vs 2.7 mm in controls) and a thickened joint capsule in the rotator cuff interval (7.1 mm vs 4.5 mm; P < .001 for both comparisons, Mann-Whitney test) but not in the axillary recess. The volume of the axillary recess was significantly smaller in patients with frozen shoulder than in control subjects (P = .03, Mann-Whitney test). Thickening of the CHL to 4 mm or more had a specificity of 95% and a sensitivity of 59% for diagnosis of frozen shoulder. Thickening of the capsule in the rotator cuff interval to 7 mm or more had a specificity of 86% and a sensitivity of 64%. Synovitis-like abnormalities at the superior border of the subscapularis tendon were significantly more common in patients with frozen shoulder than in control subjects (P = .014, chi(2) test). Complete obliteration of the fat triangle between the CHL and the coracoid process (subcoracoid triangle sign) was specific (100%) but not sensitive (32%). CONCLUSION: Thickening of the CHL and the joint capsule in the rotator cuff interval, as well as the subcoracoid triangle sign, are characteristic MR arthrographic findings in frozen shoulder.

Adult↗
PubMed2004

Evaluation of shoulder integrity in space: first report of musculoskeletal US on the International Space Station.

Investigative procedures were approved by Henry Ford Human Investigation Committee and NASA Johnson Space Center Committee for Protection of Human Subjects. Informed consent was obtained. Authors evaluated ability of nonphysician crewmember to obtain diagnostic-quality musculoskeletal ultrasonographic (US) data of the shoulder by following a just-in-time training algorithm and using real-time remote guidance aboard the International Space Station (ISS). ISS Expedition-9 crewmembers attended a 2.5-hour didactic and hands-on US training session 4 months before launch. Aboard the ISS, they completed a 1-hour computer-based Onboard Proficiency Enhancement program 7 days before examination. Crewmembers did not receive specific training in shoulder anatomy or shoulder US techniques. Evaluation of astronaut shoulder integrity was done by using a Human Research Facility US system. Crew used special positioning techniques for subject and operator to facilitate US in microgravity environment. Common anatomic reference points aided initial probe placement. Real-time US video of shoulder was transmitted to remote experienced sonologists in Telescience Center at Johnson Space Center. Probe manipulation and equipment adjustments were guided with verbal commands from remote sonologists to astronaut operators to complete rotator cuff evaluation. Comprehensive US of crewmember's shoulder included transverse and longitudinal images of biceps and supraspinatus tendons and articular cartilage surface. Total examination time required to guide astronaut operator to acquire necessary images was approximately 15 minutes. Multiple arm and probe positions were used to acquire dynamic video images that were of excellent quality to allow evaluation of shoulder integrity. Postsession download and analysis of high-fidelity US images collected onboard demonstrated additional anatomic detail that could be used to exclude subtle injury. Musculoskeletal US can be performed in space by minimally trained operators by using remote guidance. This technique can be used to evaluate shoulder integrity in symptomatic crewmembers after strenuous extravehicular activities or to monitor microgravity-associated changes in musculoskeletal anatomy. Just-in-time training, combined with remote experienced physician guidance, may provide a useful approach to complex medical tasks performed by nonexperienced personnel in a variety of remote settings, including current and future space programs.

Humans↗
PubMedDate not supplied

Capsular elongation in shoulders with recurrent anterior dislocation. Quantitative assessment with magnetic resonance arthrography.

BACKGROUND: Elongation of the shoulder capsule is often noticed on arthrograms or during surgery in shoulders of patients who have experienced recurrent anterior dislocations. HYPOTHESIS: We can quantify the elongation of the capsule in shoulders with recurrent anterior dislocations by using magnetic resonance arthrography. STUDY DESIGN: Retrospective review of prospectively collected data. METHODS: Twelve patients with unilateral recurrent anterior shoulder dislocations were enrolled in this study. Magnetic resonance images in the axial and coronal oblique planes were obtained from both shoulders (involved and uninvolved sides) after 10 ml of gadolinium/saline solution was injected into the glenohumeral joint. The length of the anteroinferior, inferior, and posteroinferior portions of the capsule was measured by using image analyzing software and normalized to the humeral head diameter. RESULTS: The anteroinferior capsule was significantly elongated in the involved shoulder at 4 mm (16% elongation) and 10 mm (19% elongation) superior to the inferior margin of the glenoid. The inferior capsule was also significantly elongated in the involved side both at the center (12% elongation) and at 4 mm anterior to the center of the glenoid (29% elongation). The posteroinferior capsule did not show any significant elongation. CONCLUSIONS: The anteroinferior and inferior portions of the shoulder capsule are elongated an average of 19% in shoulders with recurrent anterior dislocation.

Adolescent↗
PubMedDate not supplied

Shock wave therapy for calcific tendinitis of the shoulder: a prospective clinical study with two-year follow-up.

BACKGROUND: Shock wave therapy is a new modality that has shown efficacy in the treatment of various orthopaedic disorders. PURPOSE: To determine the effectiveness, at 2- to 3-year follow-up, of shock wave therapy for calcific tendinitis of the shoulder. STUDY DESIGN: Prospective clinical study. METHODS: Thirty-seven patients (39 shoulders) with calcific shoulder tendinitis were treated with shock wave therapy (1000 impulses at 14 kV) and observed for 24 to 30 months. The control group, which underwent sham treatment with a dummy electrode, consisted of 6 patients (6 shoulders) with an average follow-up of 6 months. Evaluation included use of the 100-point Constant score system and shoulder radiographs. RESULTS: The overall results in the study group were 60.6% excellent (20 of 33 shoulders), 30.3% good (10), 3.0% fair (1), and 6.1% poor (2), and those of the control group were 16.7% fair (1 of 6 shoulders) and 83.3% poor (5). The symptom recurrence rate in the study group was 6.5%. Dissolution of calcium deposits was complete in 57.6% of the study group, partial in 15.1%, and unchanged in 27.3%. Fragmentation was seen in 16.7% of the control group patients; in 83.3% deposits were unchanged. No recurrence of calcium deposits was observed during the 2 years that the study group was followed. CONCLUSIONS: Shock wave therapy is a safe and effective noninvasive treatment for patients with calcific tendinitis of the shoulder.

Adult↗
PubMed2005

The Kim test: a novel test for posteroinferior labral lesion of the shoulder--a comparison to the jerk test.

BACKGROUND: Detection of a posteroinferior labral lesion by physical examination is often difficult. PURPOSE: To introduce a novel diagnostic test for detecting a posteroinferior labral lesion of the shoulder. HYPOTHESIS: The Kim test can detect a posteroinferior labral lesion of the shoulder. STUDY DESIGN: Cohort study (diagnosis); Level of evidence, 1. METHODS: In 172 painful shoulders, the Kim test was compared with the jerk test and was verified by arthroscopic examination. A sudden onset of posterior shoulder pain and click with or without clunk indicated a positive test result. RESULTS: Thirty-three shoulders had a positive Kim test result, in which 24 had a posteroinferior labral lesion and 9 had a normal posteroinferior labrum. Of 139 shoulders with a negative Kim test result, 6 had a posteroinferior labral tear and 133 had a normal posteroinferior labrum. The sensitivity of the Kim test was 80%, specificity was 94%, positive predictive value was 0.73, and negative predictive value was 0.96. The interexaminer reliability between 2 examiners was 0.91. The accuracy of the jerk test in detecting a posteroinferior labral lesion was the following: sensitivity, 73%; specificity, 98%; positive predictive value, 0.88; and negative predictive value, 0.95. The location of the posterior labral lesion was predominantly posterior in 19 shoulders and predominantly inferior in 11 shoulders. The Kim test was more sensitive in detecting a predominantly inferior labral lesion, whereas the jerk test was more sensitive in detecting a predominantly posterior labral lesion. The sensitivity in detecting a posteroinferior labral lesion increased to 97% when the 2 tests were combined. CONCLUSION: The Kim test is a reliable diagnostic test for detection of a posteroinferior labral lesion.

Adolescent↗
PubMed2006

Anterior shoulder stabilization in collision athletes: arthroscopic versus open Bankart repair.

BACKGROUND: Collision athletes are reported to be at high risk for redislocation after anterior stabilization of shoulder instability. Some authors have suggested that arthroscopic stabilization produces results similar to those of open stabilization. PURPOSE: To evaluate the results of anterior shoulder stabilization in collision athletes and to compare the clinical results between the arthroscopic and open methods. HYPOTHESIS: Open stabilization might produce better results than does arthroscopic stabilization in collision athletes. STUDY DESIGN: Cohort study; Level of evidence, 4. METHODS: Forty-eight shoulders of 46 collision athletes were enrolled for this study. The mean age of the patients at the time of surgery was 20 years, and the mean follow-up period was 72 months (range, 30-136 months). Sixteen shoulders underwent arthroscopic stabilization; 32 shoulders had open repairs. RESULTS: Visual analog scale, Rowe, and Constant scores improved after surgery, but no statistically significant difference was found between the arthroscopic and open repair groups. Thirty-seven athletes (83%) returned to near-preinjury sports activity levels (>/= 90% recovery) after operation. Two patients (4%) had subluxation and 6 (12.5%) had redislocation after surgery. The number of shoulders with postoperative subluxation or dislocation was 4 (25%) in the arthroscopic group and 4 (12.5%) in the open group (P = .041). Revision surgery was performed on 5 shoulders (10.4%). CONCLUSIONS: There were 8 (16.5%) instances of postoperative instability among the collision athletes studied. The arthroscopic group yielded a higher failure rate than did the open group. The authors believe open stabilization to be a more reliable method for anterior shoulder instability in collision athletes.

Adolescent↗
PubMed2006

Arthroscopic versus open shoulder stabilization for recurrent anterior instability: a prospective randomized clinical trial.

BACKGROUND: Arthroscopic stabilization for anterior shoulder instability has been reported to result in a higher rate of recurrent instability compared to traditional open techniques. PURPOSE: To test the null hypothesis that there is no difference in the clinical outcomes in patients with recurrent anterior shoulder instability treated with open or arthroscopic stabilization. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1. METHODS: A consecutive series of 64 patients with recurrent anterior shoulder instability were randomized to receive either arthroscopic or open stabilization by a single surgeon. Magnetic resonance arthrogram studies were obtained preoperatively. These findings were compared to arthroscopic findings. Postoperative evaluations included range of motion, stability, and subjective assessments including Single Assessment Numeric Evaluation, Simple Shoulder Test, Western Ontario Instability Index, and University of California, Los Angeles evaluation. Failure was defined as a second dislocation, recurrent subluxation, or symptoms precluding return to previous work or unrestricted active military duty. RESULTS: Sixty-one patients, 29 who received open stabilization and 32 who received arthroscopic stabilization, were evaluated at a mean of 32 months postoperatively (range, 24-48 months). Patient demographics were equivalent. Preoperative magnetic resonance arthrogram findings were confirmed at arthroscopic examination. The mean operative time was significantly shorter for the arthroscopic repairs (59 vs 149 minutes; P < .001). There were 3 clinical failures (2 open stabilizations, 1 arthroscopic stabilization) by the established criteria. There was a statistically significant improvement from preoperative to postoperative Single Assessment Numeric Evaluation scores in both groups (P < .001). The mean loss of motion (compared to the contralateral shoulder) was greater in the open shoulders. Subjective evaluations were equal in both groups. CONCLUSION: Clinical outcomes after arthroscopic and open stabilization were comparable. Preoperative magnetic resonance arthrograms in shoulders with anterior instability allow an accurate diagnosis of intra-articular abnormality that correlates well with operative findings. Arthroscopic stabilization for recurrent anterior shoulder instability can be performed safely; the clinical outcomes are comparable to those after traditional open stabilization.

Adult↗
PubMed2006

Laxity testing of the shoulder: a review.

Laxity testing is an important part of the examination of any joint. In the shoulder, it presents unique challenges because of the complexity of the interactions of the glenohumeral and scapulothoracic joints. Many practitioners believe that laxity testing of the shoulder is difficult, and they are unclear about its role in evaluation of patients. The objectives of the various laxity and instability tests differ, but the clinical signs of such tests can provide helpful information about joint stability. This article summarizes the principles of shoulder laxity testing, reviews techniques for measuring shoulder laxity, and evaluates the clinical usefulness of the shoulder laxity tests. Shoulder laxity evaluation can be a valuable element of the shoulder examination in patients with shoulder pain and instability.

Biomechanical Phenomena↗
PubMedDate not supplied

Shoulder arthroscopy. Investigations with a fibreoptic instrument.

Ten patients with frozen shoulders and 13 other patients with derangements of the shoulder were examined by arthroscopy. The procedures were performed under anesthesia. A fibreoptic instrument was introduced posteriorly. All patients with frozen shoulders were relieved of their symptoms by the combined procedure of joint distention (with as much as 60 ml of saline) and arthroscopy, with or without manipulation of the shoulder. Three of the 13 cases of imprecisely diagnosed shoulder derangement are described in detail to illustrate refinements in the diagnosis which determined surgical repair in 2 cases and precise local treatment in the other one. All patients, whose shoulders were not manipulated, were discharged to their homes on the day of the procedures. A sling was worn for the first 24 hr and then the patient was placed on a regimen of supervised physical therapy. There was no significant morbidity in these patients. Additional refinements in arthroscopy for the shoulder and increasing expertise in using the techniques will firmly establish arthroscopy as a means for establishing precise diagnoses fro shoulder conditions.

Adolescent↗
PubMedDate not supplied

The effects of muscle fatigue on shoulder joint position sense.

Proprioception, or joint position sense, probably plays an important role in shoulder joint function. In this study, we assessed the effect of muscle fatigue on shoulder proprioception in 20 volunteers with no shoulder abnormalities. Shoulder proprioception was measured as the threshold to first detection of humeral rotation with the joint at 90 degrees of abduction and 90 degrees of external rotation. Subjects were tested while rested, exercised on a isokinetic testing machine until fatigued, and then retested in an identical fashion. Both shoulders were tested, and the order of dominant and nondominant shoulder was randomized. Shoulder proprioception was analyzed for its dependence on arm dominance, direction of rotation, and muscle fatigue. Subjects detected external rotation after significantly less movement than they did internal rotation. Overall, before exercise, motion was detected after a mean of 0.92 degrees of rotation. After exercise, this threshold to detection of movement increased to 1.59 degrees, an increase of 73%. This significant increase occurred with both internal and external rotation. The decrease in proprioceptive sense with muscle fatigue may play a role in decreasing athletic performance and in fatigue-related shoulder dysfunction. It remains to be determined if training can lessen this loss in position sense.

Adult↗
PubMed2003

Shoulder pain in people with a stroke: a population-based study.

OBJECTIVE: To measure the occurrence of shoulder pain after stroke. To identify the factors that predict risk of shoulder pain after stroke. DESIGN: Auckland Stroke Study, population-based case-cohort study. SETTING AND SUBJECTS: All cases of stroke, including those managed outside hospital, over a 12-month period ending February 1992 were considered in Auckland. OUTCOME MEASURES: Self-reported shoulder pain at one week, one month and six months after the onset of stroke for each person. RESULTS: A total of 1,761 stroke events were identified. Self-reported shoulder pain among survivors increased from 256/1474 (17%) at one week, to 261/1,336 (20%) at one month and 284/1,201 (23%) at six months. Shoulder pain was positively associated with motor deficit, side of deficit and severity of deficit. In those surviving to six months after stroke, the risk of shoulder pain was higher in those with severe upper limb motor deficit (odds ratio (OR) 4.94; 95% confidence interval (CI) 3.06-7.98) and in diabetics (OR 1.57, 95% CI 1.15-2.14). Risk of shoulder pain increased with time and was lower for those in institutional care. CONCLUSION: Shoulder pain after stroke is common, especially in patients with severe sensorimotor deficits, diabetics and those living at home. Appropriate management may reduce the rate of occurrence.

Adolescent↗
PubMed2003

[Kinesiotherapy prevents shoulder pain in hemiplegic/paretic patients on sub-acute stage post-stroke].

BACKGROUND: Painful shoulder is considered the most common complication of hemiplegic/parethic (H/P) stroke patients. It is a negative factor for neuromotor recovery. PURPOSE: To study the effects of kinesiotherapy treatment on shoulder pain prevention, and as a secondary endpoints, to analyze muscle strength of H/P shoulder looking at basic functional active mobility. METHOD: Twenty one inpatients (12 men, 9 women) aged 26 to 87 years, with post-stroke H/P were submitted to thirty minutes daily program kinesiotherapy, started at 48 hours post-stroke up to their hospital discharge. Patients were evaluated pre and post treatment according to the presence or absence of shoulder pain, movements and shoulder strength, and for presence or absence of basic functional movements. RESULTS: No patient complaining of shoulder pain at the hospital discharge (p<0.001). The muscle strength improved signifcantly for elevation, protusion, abduction and flexion of the shoulder (p<0.001). There was improvement also for functional mobility on moving from dorsal to lateral recumb, from lateral recumb to a seated position and in keeping the seated position (p<0.001). CONCLUSION: Kinesiotherapy in acute phase of stroke prevented shoulder pain.

Adult↗
PubMed1993

Loss of external rotation following anterior capsulorrhaphy of the shoulder.

A retrospective study was performed on twenty shoulders in nineteen patients who had been managed for severe loss of external rotation of the glenohumeral joint after a previous anterior capsulorrhaphy for recurrent instability. All patients had noted a restricted range of motion, and seventeen shoulders had been painful. In seven shoulders, the humeral head had been subluxated or dislocated posteriorly, and sixteen shoulders had been affected by mild to severe glenohumeral osteoarthrosis. All twenty shoulders were treated with a reoperation, which consisted of a release of the anterior soft tissue. In addition, eight shoulders had a total arthroplasty and one had a hemiarthroplasty. At an average duration of follow-up of forty-eight months, all shoulders had an improvement in the ratings for pain and range of motion. The average increase in external rotation was 45 degrees (range, 25 to 65 degrees). Patients who have a major loss of external rotation following anterior capsulorrhaphy of the shoulder may be at risk for the development of posterior subluxation and glenohumeral osteoarthrosis. The performance of an anterior release should be considered for these patients.

Adolescent↗
PubMed1999

Resurfacing of the glenoid in total shoulder arthroplasty. A comparison, at a mean of five years, of prostheses inserted with and without cement.

BACKGROUND: Clinically evident loosening of a glenoid component inserted with cement in total shoulder arthroplasty is infrequent, but radiographic changes that indicate loosening at the implant-bone interface are common and have been associated with functional limitation. We compared the results of total shoulder arthroplasties in which the glenoid implant had been inserted with cement with those of arthroplasties in which a bone-ingrowth glenoid implant had been inserted without cement. METHODS: The results of eighty-six consecutive total shoulder arthroplasties, performed by the same surgeon, were retrospectively reviewed between four and seven years after the operation. Fifty-eight shoulders in which the primary glenoid implant was in situ were assessed with use of the Simple Shoulder Test and Short Form-36 questionnaires, clinical examination, and fluoroscopic imaging of the glenoid implant-bone interface. Thirty-two of the glenoid components had been fixed with cement and twenty-six, without cement. RESULTS: Complications occurred in 16 percent (fourteen) of the eighty-six shoulders, and 9 percent (eight) of the shoulders needed a revision operation. None of the revisions were done because of loosening of the glenoid component. Five of the eight revisions involved implants that had been inserted without cement. Three of these implants were revised because of early instability and two, because the polyethylene component had separated from the metal tray of the glenoid implant. With the numbers available, we could not detect any significant differences between the groups with respect to pain, range of motion, function of the shoulder, or general health. Radiographic analysis demonstrated a high level of interobserver agreement (kappa = 0.89). Radiolucent lines were observed after 41 percent (thirteen) of the thirty-two arthroplasties performed with cement compared with 23 percent (six) of the twenty-six arthroplasties performed without cement. The proportion of implants classified as probably loose was approximately three times greater in the group in which cement had been used. Eccentric wear of the posterior rim of the metal tray and focal osteolysis under the metal tray were observed in the group in which the component had been inserted without cement; these findings may indicate a potential for progression of radiographic loosening with increased durations of follow-up. CONCLUSIONS: We concluded that, despite the higher rate of early complications, the intermediate-term outcomes of arthroplasties in which the glenoid implant is inserted without cement are comparable with those of arthroplasties with cementing of the glenoid component.

Adult↗
PubMed2001

The floating shoulder: clinical and functional results.

BACKGROUND: Displaced ipsilateral fractures of the clavicle and the glenoid neck are a complex injury pattern that is usually the result of high-energy trauma. The treatment of these injuries is controversial, as good results have been reported with both operative and nonoperative treatment. METHODS: Nineteen patients who had sustained a displaced fracture of the glenoid neck with an ipsilateral clavicular fracture or acromioclavicular separation (floating shoulder) were retrospectively evaluated. The treatment was nonoperative in twelve patients and operative in seven. At the time of final follow-up, standard radiographs were made and all patients were examined by a physical therapist and either a fellowship-trained shoulder surgeon or an orthopaedic traumatologist. In addition, each patient responded to three different validated objective functional outcome measures: the Short Form-36, the American Shoulder and Elbow Surgeons Shoulder Scale, and the Disabilities of the Arm, Shoulder and Hand Questionnaire. Isokinetic strength-testing was performed, and strength in internal and external rotation was compared with that of the uninvolved shoulder. The main outcome measures included fracture-healing, functional outcome, patient satisfaction, and muscular strength. RESULTS: With regard to range of motion, only the amount of forward flexion was found to be significantly greater in the operatively treated group (p = 0.03). The operatively treated shoulders were found to be weaker in external rotation at 300 degrees /sec and weaker in internal rotation at 180 degrees /sec. When normalized to hand dominance, however, the numbers were too small to identify any significant difference. There was no significant difference between groups with regard to the three functional outcome measures. CONCLUSIONS: Good results may be seen both with and without operative treatment. Therefore, we cannot universally recommend operative treatment for a double disruption of the superior suspensory shoulder complex. Treatment must be individualized for each patient.

Adolescent↗
PubMed2003

Shoulder impingement presenting as neck pain.

BACKGROUND: Chronic neck pain can be a difficult problem to evaluate and treat, as it can have several different causes. We studied a series of patients with neck pain near the superomedial aspect of the scapula that was referred pain from inflammation of the shoulder secondary to chronic impingement. We postulate that some patients with specific clinical findings and neck pain can benefit from treatment of shoulder impingement. METHODS: We conducted a retrospective review of the charts of thirty-four patients with neck pain who met three criteria for the diagnosis of shoulder impingement syndrome: (1) a positive impingement sign with pain referred to the neck, (2) radiographic abnormalities, and (3) relief of neck pain after injection of lidocaine and cortisone into the subacromial space. Subjective pain scores were determined before and after the injection. RESULTS: Thirty of the thirty-four patients obtained immediate relief of the neck pain following injection into the subacromial space, and the remaining four had substantial pain relief when they were evaluated three weeks following the injection. Avoidance of the shoulder impingement position (forward elevation of the arm above 90 degrees ) subsequently minimized recurrences. CONCLUSIONS: In selected patients, chronic neck pain may be caused by shoulder impingement, which can be easily diagnosed with standard techniques. The difficulty in making this diagnosis is that the patient presents with neck pain rather than with the typical shoulder pain. The differential diagnosis of chronic lower neck pain should include shoulder impingement syndrome, which can be identified by classic physical and radiographic signs and can be treated with injection into the subacromial space and avoidance of the shoulder impingement position.

Adolescent↗