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We examined the value of ultrasound to determine the retroversion of the humerus in an experimental and clinical study. In twenty human upper arms of corpses the retroversion angle was measured by ultrasound and by direct means using a paralellograph. The angle was also evaluated by sonography and CAT scan in 7 patients, and in 6 patients by sonography and x-ray. There was a poor correlation between sonographic measurement and direct measurement, CAT scan, or x-ray. Hence, we do not recommend sonography as a useful tool in preoperative planning. For this purpose, CAT scan or x-ray should be preferred. However, sonography may be useful for screening.

Fifty recreational athletes were subjected to a defined exercise programme (running on a treadmill, 8 km/h). The pressure in the middle third of the anterolateral compartment was measured. We also assessed the geometry and the echogenicity in the transversal and the longitudinal plane by sonographic means. The increase of the intracompartmental pressure increased as the ap-diameter of the compartment in the transverse plane increased (distance = superficial fascia - interosseous membrane). We found a correlation factor of 0.79. The echogenicity increased as the intracompartmental pressure increased. The changing ultrasound reflex pattern is considered non-reproducible because there are too many artifacts, nor is the increase in the ap-diameter due to the low correlation.

Fragestellung: Die MiniHip® (Corin Group, Cirencester, United Kingdom) Kurzschaftprothese bietet den Vorteil eines knochensparenden Prothesensystemes und stellt eine Therapieoption in minimal-invasiver Operationstechnik für aktive Patienten dar. Ziel der Studie ist es, die kurz- und mittelfristigen[zum vollständigen Text gelangen Sie über die oben angegebene URL], Deutscher Kongress für Orthopädie und Unfallchirurgie (DKOU 2015)

AIM The purpose of this study was to evaluate different clinical meniscus tests. METHOD During 13 months we evaluated 64 patients with a suspected meniscus lesion in a prospective study. The age ranged from 16 to 76 years (average: 38.5 years). 66 % were male patients. Between the clinical examination and the arthroscopy there was no additional trauma to the knee. All patients were clinically examined in a standard manner by two independent orthopaedic surgeons. Clinical findings of the menisci were documented according to 12 well-described and commonly used meniscus tests. The arthroscopy was performed by a single surgeon who was not aware of the results of the clinical examination. This surgeon documented the intraarticular findings in a standardized operating report. A meniscus lesion/degeneration was documented when this was evident either by inspection or by palpation. RESULTS The results showed either clinical meniscus tests with a high specificity and a low sensitivity or tests with a high sensitivity, but only a low specificity. We were not able to identify meniscus tests which showed both a high sensitivity and a high specificity. CLINICAL RELEVANCE Even with access to MRI the clinical findings in knee joint with injured menisci still have a high diagnostic value. However, it seems to be necessary to combine different tests.

Purpose The purpose of the presented study was to valuate the question whether subacromial denervation alone is sufficient in patients with subacromial pathology. Material and methods 20 patients (male: 7; female 13) with subacromial pathology without anterior acomionosteophytes, rotator cuff tear, calcific tendinitis or ac-joint pathology underwent endoscopically controlled subacromial denervation. The procedure was performed with an HF device. Patients were followed up at 6 weeks, 3 and 6 months with the Constant score. Results The preoperative Constant score was 59 +/- 18. Postoperatively the Constant score increased to 78 +/- 18 after 6 weeks, up to 83 +/- 5 after 3 months and up to 85 +/- 13 after 6 months. There was no difference between male and female patients nor between patients with different profession or athletic activity. We could not document any complication. Patients returned to work within 6 weeks after surgery. Conclusion Patients without anterior acromion osteophytes and without rotator cuff tear may get good results with subacromial denervation alone and may not need acrornioplasty.

In a prospective study we evaluated the use of diagnostic ultrasound for Hill-Sachs lesions in unstable shoulder joints of 71 patients. The arthroscopic control of the sonographic findings showed a high sensitivity of 100%, a specificity of 89%, an accuracy of 95%, a positive predictive value of 93%, and a negative predictive value of 100%. With these results ultrasound seems to be more reliable than x-ray in the diagnosis of Hill-Sachs lesions.

The intracompartmental pressure in the anterior tibial compartment was documented under standardized conditions in 29 patients walking at a speed of 4.5 km/h, as well as heel-and-toe running at a speed of 8 km/h. All pressure curves were integrated and the resulting mean pressure was compared with the arithmetic mean pressure indicated in the literature. During walking, the difference between calculated and integrated pressures was between 80 and 140 %. In the case of heel-and-toe running, the difference was between 80 and 165 %. On the basis of these results, the calculation of the mean intracompartmental pressure recommended in the literature does not appear to be of any clinical relevance.

Fragestellung: In der vorliegenden Arbeit werden Ätiologie, Diagnostik und Therapie des Iliopsoas-Impingement-Syndrom (IPI) nach Hüftgelenkersatz dargestellt. Anhand eigener Erfahrungen werden die Möglichkeiten der arthroskopischen Therapie dargestellt. Methodik: Zwischen 1999 und[for full text, please go to the a.m. URL], Deutscher Kongress für Orthopädie und Unfallchirurgie (DKOU 2012)

Fragestellung: Die Patientensicherheit nimmt einen immer höheren Stellenwert in der operativen Medizin ein. "Wrong site surgery", "Team time out", AG belassene Fremdkörper im Op Gebiet, Aktionsbündnis Patientensicherheit und "Critical Incidents Reportig System"[for full text, please go to the a.m. URL], Deutscher Kongress für Orthopädie und Unfallchirurgie; 74. Jahrestagung der Deutschen Gesellschaft für Unfallchirurgie, 96. Tagung der Deutschen Gesellschaft für Orthopädie und Orthopädische Chirurgie, 51. Tagung des Berufsverbandes der Fachärzte für Orthopädie

Fragestellung: Bei Sportlern, die vorzugsweise Überkopf-Wurfbewegungen ausüben, werden Dysfunktionen des distalen Astes des N. suprascapularis beschrieben. Die Literatur zeigt Beziehung zu dem als inkonstant angesehenen Lig. spinoglenoidale. Dabei wird eine große Variabilität des[for full text, please go to the a.m. URL], Deutscher Kongress für Orthopädie und Unfallchirurgie; 73. Jahrestagung der Deutschen Gesellschaft für Unfallchirurgie, 95. Tagung der Deutschen Gesellschaft für Orthopädie und Orthopädische Chirurgie, 50. Tagung des Berufsverbandes der Fachärzte für Orthopädie

Fragestellung: In der vorliegenden STudie wurde die Frage evaluiert, inwieeit Patienten mit einem FAI arthroskopisch behandelt werden können. Methodik: Zwischen 2001 und 2007 operierten wir in unserer Klinik 38 Patienten mit einem femuro-acetabulären-Impingement (FAI). Das Durchschnittsalter[for full text, please go to the a.m. URL], Deutscher Kongress für Orthopädie und Unfallchirurgie; 73. Jahrestagung der Deutschen Gesellschaft für Unfallchirurgie, 95. Tagung der Deutschen Gesellschaft für Orthopädie und Orthopädische Chirurgie, 50. Tagung des Berufsverbandes der Fachärzte für Orthopädie