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    Arthroscopic Debridement of Irreparable Massive Rotator Cuff Tears — A Comparison of Debridement Alone and Combined Procedure with Biceps Tenotomy

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    The goal of the study was to compare the results of arthroscopic debridement in massive, irreparable rotator cuff tears with and without tenotomy of the long head of the biceps (LHB). We evaluated 41 patients who were treated by a single surgeon for massive, irreparable rotator cuff tears either by arthroscopic debridement alone (24 patients) or with additional tenotomy of LHB (17 patients). The mean age was 67 years (range : 61 to 82 years) and the average follow-up was 31 months (range : 24 to 48 months). There was no significant difference between the two groups in age, gender, pain, function, and follow-up. All patients had significant disabling pain weakness preoperatively. Assessments were made using the Constant score. The average Constant score for the group without LHB tenotomy improved from a mean of 39 points (range : 19 to 54 points) preoperatively to a mean of 67 points (range : 41 to 87 points) and for the group with additional LHB tenotomy from a mean of 41 points (range : 16 to 54 points) preoperatively to a mean of 69 points (range : 49 to 87 points) at the time of follow-up. The radiological study showed no significant narrowing of the subacromial space. No statistical significance (P > .05) was found between the two groups. However, patients with additional LHB tenotomy had a longer duration of postoperative pain relief, but final pain score difference was not statistically significant. There was no complication related to the procedure. Arthroscopic debridement of massive, irreparable rotator cuff tears provides reliable expectation for improvement in function, decrease in pain, and improvement in shoulder scores for most patients. Additional LHB tenotomy did not significantly influence the postoperative results at the latest follow-up. In our series we noted no significant humeral head migration or developing rotator cuff arthropathy

    Rotator cuff repair: single- vs double-row. Clinical and biomechanical results

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    Background. The goal of rotator cuff repair is a high initial mechanical stability as a requirement for adequate biological recovery of the tendon-to-bone complex. Notwithstanding the significant increase in publications concerning the topic of rotator cuff repair, there are still controversies regarding surgical technique. Objectives. The aim of this work is to present an overview of the recently published results of biomechanical and clinical studies on rotator cuff repair using single-and double-row techniques. Materials and methods. The review is based on a selective literature research of PubMed, Embase, and the Cochrane Database on the subject of the clinical and biomechanical results of single-and double-row repair. Results. In general, neither the biomechanical nor the clinical evidence can recommend the use of a double-row concept for the treatment for every rotator cuff tear. Only tears of more than 3 cm seem to benefit from better results on both imaging and in clinical outcome studies compared with the use of single-row techniques. Conclusions. Despite a significant increase in publications on the surgical treatment of rotator cuff tears in recent years, the clinical results were not significantly improved in the literature so far. Unique information and algorithms, from which the optimal treatment of this entity can be derived, are still inadequate. Because of the cost-effectiveness and the currently vague evidence, the double-row techniques cannot be generally recommended for the repair of all rotator cuff tears

    The natural course of shoulder instability and treatment trends: a systematic review

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    Background The natural course of shoulder instability is still not entirely clear. We aimed in this review to analyse the current scientific evidence of the natural history of shoulder instability. Materials and methods A systematic review of the English literature was performed using the PubMED database throughout January 2014. This review was guided, conducted and reported according to PRISMA criteria. The criteria for inclusion in the study were (1) the article was written in English, (2) the level of evidence was 1–4, (3) the article was available in full text, (4) the article investigated the natural history or course of shoulder instability, the outcome of non-operative management, or the regression of the shoulder symptoms to the mean. The methodological quality of each included study was individually assessed using a newly developed general assessment tool—Assessing the Methodological Quality of Published Papers (AMQPP). Results Eight articles related to shoulder instability met the inclusion criteria. Four papers were considered high-quality studies (evidence level 1 and 2). One paper assessed the natural history and the natural course of shoulder instability directly. The other studies indirectly assessed the natural history by studying non-operative and operative therapy trends. We found no articles which clearly referred to the role of ‘regression to the mean’. Conclusion Following the natural history and the implementation of standardised non-operative treatment programmes are an effective therapy and superior to surgery in many cases. However, primary acute shoulder dislocation in young active individuals partaking in demanding physical activities could benefit from early surgical intervention. The AMQPP score works as a quick quality-checking tool which helps researchers to identify the key points in each paper and reach a decision regarding the eligibility of the paper more easily. The AMQPP scoring system is still open for further development and expansion

    Intraosseous foreign body granuloma in rotator cuff repair with bioabsorbable suture anchor

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    Biodegradable implants lead to problems such as cyst formation, soft-tissue inflammation, loose implant fragments or local osteolysis. This report represents the first published case of an intraosseous foreign body granuloma in the humeral head after arthroscopic rotator cuff tear fixation with a poly-l-lactide (PLLA) suture anchor. A 48-year-old female patient presented with pain in her right shoulder. A refixation of her right supraspinatus tendon with a biodegradable suture anchor was performed 11 months ago at an external hospital. Laboratory tests showed normal values for C-reactive protein, leukocytes and the erythrocyte sedimentation rate. No signs of infection or instability were noted. The visual analogue scale (VAS) was 8, the simple shoulder test (SST) was 4 and the American shoulder and elbow surgeons score (ASES) was 44. Plain radiographs showed high lucency in the area of the tuberculum majus. MRI showed an intra- and extraosseous mass surrounded by fluid in this area. Surgical care involved arthroscopic debridement and removal of the suture anchor. Histological examination revealed a foreign body granuloma. At the 18-month follow-up the patient was nearly pain-free. The VAS was 2, SST was 10 and ASES was 88. Foreign body granulomas are a well known but rarely described complication that arises after the use of biodegradable suture anchors in shoulder surgery. Every patient presenting with shoulder pain after usage of a biodegradable fixation material should be evaluated closely. Orthopaedic surgeons should be aware of the possibility of delayed foreign body reactions, especially after using PLLA anchors

    Preliminary results using an in vivo sheep model

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    The clinical superiority of the double-row technique is still a subject of controversial debate in rotator cuff repair. We hypothesised that the expression of different collagen types will differ between double-row and single-row rotator cuff repair indicating a faster healing response by the double-row technique

    Treatment option in a SLAP-related ganglion cyst resulting in suprascapular nerve entrapment

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    Introduction: Our report shows a rare case of suprascapular nerve palsy due to a SLAP-related ganglion cyst resulting in isolated weakness of the infraspinatus muscle. Case report: We report on a 31-year old volleyball player with severe shoulder pain. A ganglion cyst was excised in an open procedure and was completely resolved in a postoperative magnetic resonance imaging (MRI). But the patient again had pain and disability 7 months after this procedure. A renewed MRI scan showed a cystic mass in the spinoglenoid notch. An electromyography revealed an isolated lesion of the suprascapular nerve. The patient was treated by shoulder arthroscopy with refixation of a type-II-SLAP-lesion and drainage of the cyst formation. At latest follow-up 29 months after surgery, the patient's pain and shoulder function improved with a constant score of 94 points. A MRI scan documented complete cyst resolution. Conclusions: Treatment options for ganglion cysts at the spinoglenoid notch are various and can be handled in conservative and operative ways. We believe that the arthroscopic concept with the management of a SLAP lesion as the cause of cyst formation, and the drainage of the ganglion is an effective way with low surgical morbidity that shows good postoperative results

    Functional outcome and general health status in patients after arthroscopic release in adhesive capsulitis

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    Frozen shoulder is said to be a self-limiting entity but full recovery often takes more than 2 years. For that, most patients are unwilling to tolerate painful restriction while awaiting resolution. We prospectively investigated 30 patients (16 women, 14 men) for the outcome of arthroscopic capsular release in idiopathic frozen shoulder. Results were determined by the assessment of subjective and objective parameters to estimate both shoulder function and general health status. Symptoms persisted without improvement for a minimum of 6 months of conservative treatment. Preoperative average American shoulder and elbow surgeons score (ASES) was 35, visual analog scale (VAS) to measure pain was 7, and simple shoulder test (SST) was 4. Mean scores of the physical component of SF-36 were considerably reduced. Mean forward elevation was 85 degrees, average abduction was 70 degrees, mean internal rotation was 15 degrees, and mean external rotation was 10 degrees. Patients were followed-up at 6 weeks, 3, 6, 12 months and by a mean of 36 months. Range of motion for all planes improved (P 0.05). Our results demonstrate that arthroscopic release of refractory idiopathic frozen shoulder combined with a gentle manipulation provides reliable expectations for improvement in both clinical and general health status for most patients. We recommend the use of a limb-specific and a general-health-status questionnaire to conclude the benefit of the surgical intervention and contribute the optimization of a therapy concept more effectively
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