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  • 1
    Electronic Resource
    Electronic Resource
    Blood coagulation control in cardiac surgery
    Amsterdam : Elsevier
    Journal of Molecular and Cellular Cardiology 19 (1987), S. S15 
    Details
    ISSN: 0022-2828
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0022-2828(87)80413-3
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  • 2
    Electronic Resource
    Electronic Resource
    The Osaka Experience. Dome osteotomy with and without labral resection (1998)
    Springer
    Der Orthopäde 27 (1998), S. 759-764 
    Details
    ISSN: 1433-0431
    Keywords: Key words Pelvic osteotomy • Arthrography • Acetabular labrum • Labral lesion ; Schlüsselwörter Hüftdysplasie • Beckenosteotomie • Arthrographie • Labrum acetabulare • Labrumläsion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Hüftdysplasien stellen die häufigste Ursache für sekundäre Koxarthrosen in Japan dar und der Krankheitsverlauf läßt sich radiologisch in 4 Arthrosestadien (I bis IV) einteilen. Labrumläsionen sind häufige Begleiterscheinungen der Hüftdysplasie und stellen einen wichtigen prognostischen Faktor dar. Wir führen daher routinemäßig präoperativ konventionelle Arthrographien durch, mit der die Labrumläsionen in 3 Typen (Normal, Einriß oder Abriß) eingeteilt werden können. Im Zeitraum von 1978–1983 wurde bei 64 Hüftgelenken eine nach Chiari modifzierte Kuppelosteotomie (dome osteotomy) des Beckens ohne Labrumresektion durchgeführt. Präoperativ fand sich in 66 % eine Labrumläsion. Nach durchschnittlich 4 Jahren erreichten 43 der 44 Patienten mit normalem oder eingerissenen Labrum ein sehr gutes oder gutes Ergebnis. Hingegen erzielten 50 % der 20 Patienten mit Labrumabriß nur ein mittelmäßiges oder schlechtes Ergebnis. Im Zeitraum 1984–1989 wurde bei 29 Hüftgelenken eine Kuppelosteotomie mit gleichzeitiger Arthrotomie durchgeführt. Dabei wurde in 16 Fällen eine Labrumläsion teilreseziert. Generell waren die Ergebnisse im Arthrosestadium I und II gut und im Stadium III nur mäßig. Der Erfolg einer simultanen Labrumresektion bei der Kuppelosteotomie kann daher nur in den frühen Dysplasiestadien erwartet werden. Aufgrund unserer Ergebnisse empfehlen wir bei Patienten mit Labrumläsionen und einer Dysplasiearthrose I. und II. Grades eine Kuppelosteotomie in Kombination mit einer Arthrotomie.
    Notes: Summary Acetabular dysplasia represents the most common aetiology for secondary osteoarthritis of the hip joint in Japan. On radiographs progress of the disease can be classified in four stages (I to IV). Labral lesions are common accompanying findings in acetabular dysplasia, representing an important prognostic factor. Therefore we routinely use conventional arthrography to classify labral lesions in three types (normal, torn and detached). From 1978 to 1983 a modified Chiari osteotomy of the pelvis (dome osteotomy) was performed in 64 hip joints without arthrotomy. The preoperative radiography showed labral lesions in 66 %. After an average follow-up of 4 years, 43 of the 44 patients with a normal or torn labrum showed excellent or good results. On contrast, 50 % of the 20 patients with a detached labrum showed fair and poor results only. From 1984 to 1989 an arthrotomy was combined with dome osteotomy in 29 hip joints and labral lesions had to be resected in 16 cases. The results were generally good in patients with arthrosis grade I and II, but in stage III they were only fair. Thus, the success of labral surgery can only be achieved in early stages of dysplasia. Based on our findings dome osteotomy combined with arthrotomy and labral surgery can be recommended in patients with labral lesions and hip dysplasia grade I and II.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00003462
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  • 3
    Electronic Resource
    Electronic Resource
    Acetabular labral tears: contrast-enhanced MR imaging under continuous leg traction (1996)
    Springer
    Skeletal radiology 25 (1996), S. 349-356 
    Details
    ISSN: 1432-2161
    Keywords: Key words Acetabular labrum ; Magnetic resonance imaging ; hip ; Gadolinium ; Traction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Objective. The objective of this study was to evaluate the effects of continuous leg traction on contrast-enhanced MR imaging of the hip joint and to determine whether MR imaging under these conditions is useful for demonstrating acetabular labral tears. Design and patients. Nineteen hips underwent MR imaging with a T1-weighted spin-echo sequence, followed by MR imaging under continuous leg traction after intravenous injection of gadolinium-DTPA. Joint fluid enhancement and labral contour detection were evaluated. Eleven hips had labral tears shown by conventional arthrography, arthroscopy and macroscopic surgical findings. Assessment of labral tears by MR imaging was correlated with the diagnosis based on these standard techniques. Results and conclusions. Joint fluid enhancement was obtained in all hips at 30 min after injection. Superior and inferior labral surfaces were completely delineated in 1 hip on the unenhanced MR images, and in 7 and 13 hips, respectively, on the enhanced images under traction. The enhanced images under traction depicted 9 of the 11 labral tears. Comparison between the unenhanced image and the enhanced image under traction avoided mistaking undercutting of the labrum for a tear in 4 hips. Contrast-enhanced MR imaging under traction was valuable for detecting labral tears non-invasively and without radiation. Follow-up examinations using this method in patients with acetabular dysplasia can help to clarify the natural course of labral disorders and enable better treatment planning.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002560050094
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  • 4
    Electronic Resource
    Electronic Resource
    MR findings of necrotic lesions and the extralesional area of osteonecrosis of the femoral head (2000)
    Springer
    Skeletal radiology 29 (2000), S. 133-141 
    Details
    ISSN: 1432-2161
    Keywords: Key words Osteonecrosis of the femoral head (ONFH) ; Magnetic resonance imaging (MRI) ; Gd-DTPA ; Fat suppression ; Radiological stage ; Bone marrow edema
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Objective. To investigate the MR findings of necrotic lesions and the extralesional area of osteonecrosis of the femoral head (ONFH) for each of the radiological stages. Design and patients. Forty-nine hips in 29 patients (15 female, 14 male; mean age 38 years, range 17–59 years) were imaged using a 1.0-T superconducting magnet. T2-weighted spin echo pulse sequences (T2WI), spoiled gradient recalled echo pulse sequences (SPGR) and fat suppression SPGR (FS-SPGR), followed by Gd-DTPA enhanced fat suppression SPGR (Gd-FS-SPGR), were all obtained with the aid of a TORSO surface coil. Results and conclusions. While a normal fat intensity area with a low-intensity band on SPGR (band pattern) was seen in 16 of 16 stage 1 (100%), nine of 11 stage 2 (82%), four of 17 stage 3 (24%), and none of five stage 4 hips, all hips showed peripheral rim enhancement on Gd-FS-SPGR (100%). This enhancement band on Gd-FS-SPGR corresponded to histological findings of necrotic trabecular bone, repaired marrow, and fibrous reparative tissue. Bone marrow edema was also clearly demonstrated as a diffuse, high-intensity area outside this enhancement band on Gd-FS-SPGR in two stage 2 (18%), 12 stage 3 (71%), and one stage 4 hip (20%). In cases at stage 2 or more advanced stages with homogeneous or inhomogeneous low intensity on nonenhanced MRI, the reparative process both inside and outside the necrotic lesion, including bone marrow edema, was detected clearly on contrast- enhanced MRI.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002560050583
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    Paper (German National Licenses)
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