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Copyright of Arthroskopie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Dislocations of the acromioclavicular joint are common sports injuries. Numerous surgical techniques for AC-joint stabilization have been described. Minimally-invasive techniques using suture-button-systems are currently gaining relevance. Besides a reduced surgical invasiveness, the arthroscopically-assisted ACjoint stabilization offers the opportunity to treat concomitant lesions of the glenohumeral joint. Besides an implant failure due to dislocation, there is a risk of secondary loss of correction of the AC-joint. Chronic dislocations of the AC-joint need to be stabilized by a suture-button-system as well as a biological augmentation by a tendon allograft or autograft. [ABSTRACT FROM AUTHOR]

Copyright of Arthroskopie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arthroskopie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arthroskopie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Sport-Orthopadie - Sport-Traumatologie is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Background: Acromioclavicular joint (ACJ) dislocation is a common injury of the shoulder girdle. Based on the classification according to Rockwood the severity is mainly graded according to vertical translation; however, dynamic horizontal translation should also be taken into account and should be addressed in cases of surgical treatment. Regarding a type III injury according to Rockwood there is no clear evidence that favors conservative or surgical treatment. Furthermore, a common, evidence-based classification of the acute or chronic situation, especially regarding the optimal point in time for surgical treatment, is lacking. Methods: In recent years arthroscopic techniques for acute ACJ stabilization have evolved with the ability to detect and treat possible accompanying glenohumeral pathologies and with the avoidance of an obligatory implant removal in the majority of techniques. [ABSTRACT FROM AUTHOR]

Acromioclavicular joint (ACJ) dislocation is a common injury to the shoulder girdle, especially in contact and high velocity sports. Besides the severity of the injury, and particularly in competitive and elite athletes and the type of sports, individual career plans and in and out of season injuries have to be taken into account when advising treatment for athletes. Conservative treatment is reserved for low-grade dislocations and in-season athletes. The aim is fast pain relief and a safe return to competitive sport. High-grade ACJ dislocations in athletes should be treated surgically. Arthroscopic and arthroscopically-assisted techniques can offer a lower risk of infection, a higher patient acceptance in terms of cosmetic perspectives and the potential to treat concomitant glenohumeral lesions and may avoid potential disadvantages of open techniques, such as secondary obligatory implant removal and extensive soft tissue preparation with a relevant approach morbidity. [ABSTRACT FROM AUTHOR]

Background: Lesions of the acromioclavicular joint are the most common injuries of the shoulder girdle and therefore routine cases in a trauma department. Therapy options: The indications for operative stabilization depend on the amount of vertical and horizontal instability. There are two fundamentally different methods for surgical treatment in use: the acromioclavicular stabilization and the coracoclavicular stabilization. The common method in Europe for acromioclavicular stabilization is the hook plate. Coracoclavicular stabilization is performed increasingly more with arthroscopic assistance. Results: Both techniques achieve good to excellent clinical results, although in both methods comparable partial recurrent vertical instability can be observed. However, good results with the arthroscopic method will only be achieved by surgeons experienced in arthroscopy, limiting this operation technique to specialized centers. In comparison the learning curve with stabilization using hook plates is flat and the operation is feasible for young residents. [ABSTRACT FROM AUTHOR]

Copyright of Operative Orthopädie und Traumatologie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Background: Increasing scientific interest in acute acromioclavicular joint (ACJ) instabilities and ACJ-associated fractures has been observed in the past few years. This may be due to the lack of data in the literature regarding specific treatment indications, unsatisfying results of open techniques, and the development of new minimally invasive surgical procedures. Treatment selection and results: Acute ACJ instabilities are still graded according to their vertical component of instability. However, dynamic horizontal instability should also be taken into account. Even in lateral clavicle fractures, it is important to determine vertical instability due to coracoclavicular ligament injury, which is associated with higher risk of pseudarthrosis when treated conservatively. Surgical treatment of high-grade ACJ instabilities and dislocated lateral clavicle fractures has traditionally been a domain of open surgery. Today, available arthroscopic and arthroscopically-assisted techniques offer the potential of less soft-tissue preparation, a smaller risk of infection and, under cosmetic aspects, higher patient acceptance. The medium-term results of these minimally invasive techniques can compete with those of open techniques. Long-term results are still lacking. [ABSTRACT FROM AUTHOR]

Background: Acromioclavicular joint dislocations are among the most common injuries of the shoulder. The severity of the dislocation depends on the extent of the damage to the stabilizing structures. These injuries are classified according to the Rockwood grading system. Therapy selection: As there is a lower degree of instability in grades I and II they can be managed conservatively with functional treatment which leads to good results. The recommendation for grades IV-VI is operative treatment to avoid subsequent problems, such as chronic pain or permanent instability. For grade III injuries no clear recommendations exist and these are still discussed controversially. Operative procedure: If an operative stabilization is indicated there are a variety of possible surgical techniques. Minimally invasive and arthroscopic methods have also recently been used but so far none of these techniques have become clearly established as standard. [ABSTRACT FROM AUTHOR]

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Injuries of the acromioclavicular joint are common in clinical daily routine. Rockwood (RW) I and II lesions are treated non-operatively. The ideal treatment for RW III lesions is still controversially discussed. RW IV-VI injuries require operative treatment. New findings emphasize the importance of a horizontal component of instability at the RW III injury, which should be integrated into the medical advice for an operative or non-operative treatment and the operative concept. During recent years arthroscopically-assisted techniques have become established for repair of acute as well as chronic instabilities. In acute lesions very good clinical results can be archived with fixation techniques using endobutton systems. In cases of chronic instability, options include anatomic reconstruction of the ligamentous structures with a tendon autograft augmented by an endobutton system as well as transposition techniques of the coracoacromial ligament. [ABSTRACT FROM AUTHOR]

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Dislocation of the acromioclavicular joint (AC joint) is a typical sports injury with rupture of the acromioclavicular and coracoclavicular ligaments which may result in a vertical and horizontal instability of the lateral clavicle. Stress X-rays may be of help for the diagnosis of vertical instability and for the diagnostics axial or Alexander views should be made. In the future magnetic resonance imaging (MRI) will play a significant role for the diagnostics of AC joint injuries. With this method injuries of ligaments, fascia and the glenohumeral joint can be diagnosed. There is controversy regarding the therapy of AC joint injuries. For slight injuries a conservative treatment is recommended, for medium degree instability there is too little evidence in the literature to give a clear recommendation whether conservative or operative treatment is superior and for severe instability an operative treatment is recommended. For operative treatment several techniques have been described. Some techniques have a high complication rate and implant removal is also disadvantageous. These disadvantages led to the development of minimally invasive or arthroscopic techniques. The first clinical results of these new techniques are encouraging. [ABSTRACT FROM AUTHOR]

In old injuries of the acromioclavicular (AC) joint the extent of damage to the coracoclavicular ligaments, the AC joint capsule with its strengthening ligaments and in particular the deltotrapezius fascia which is responsible for horizontal stability play an important role. Previously there was no classification of old AC joint injuries. In order to work out criteria for therapy decisions prospective clinical, radiological and sonographic data on old AC injuries were compiled in a standardized way, evaluated and divided into three types A, B and C with four defined subtypes B1, B2, C1 and C2. Old injuries of type A seem to be suitable for treatment by the Weaver-Dunn method but for all other types an additional temporary retention of the AC joint in combination with reconstruction of the deltotrapezius fascia and sometimes ligamentoplastic measures are necessary. [ABSTRACT FROM AUTHOR]

Surgical treatment of horizontally or vertically unstable acromioclavicular (AC) joint dislocations covers a wide range of surgical techniques, e.g. stabilization via a tension band, hooked tie plate or Bosworth screw. Many of these techniques are often accompanied by various complications so that a stabilizing, low complication and approximately physiological surgical treatment has moved increasingly into the focus of scientific interest. Through further development of the dynamic TightRope® system in syndesmosis surgery there is now the possibility to treat unstable AC joint dislocations in a similar manner. Advantages include improved cosmetic aspects through a less stressful surgical access as well as the reduction of postoperative infections and the fact that a second intervention to remove the metal implants is no longer necessary. Within the framework of biomechanical studies scientists were able to show that the TightRope® treatment was able to create a stable situation and to provide a sufficient load capacity. [ABSTRACT FROM AUTHOR]

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Obere Extremitat is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Orthopäde is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arthroskopie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arthroskopie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arthroskopie is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)