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  • 1
    Electronic Resource
    Electronic Resource
    350 Main Street , Malden , MA 02148 , USA. , and 9600 Garsington Road , Oxford OX4 2DQ , UK . : Blackwell Science Inc
    Journal of cardiac surgery 18 (2003), S. 0 
    ISSN: 1540-8191
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract Dissection of the descending aorta post coarctation repair in a patient with Turner's syndrome has rarely been described. A 45-year-old woman with Turner's syndrome had repair of coarctation by resection and interposition graft. Her postoperative course was uneventful. Chest X-ray two months postoperatively showed a hematoma in the proximal descending aorta, and a CT scan confirmed dissection distal to the coarctation repair, which was treated medically. Subsequent CT scanning one year later showed the hematoma resolving with no increase in the diameter of the dissected segment.(J Card Surg 2003;18:153-154)
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Pharmaceutical and Biomedical Analysis 11 (1993), S. 183-190 
    ISSN: 0731-7085
    Keywords: Laboratory automation ; automation strategy. ; communications ; data to information conversion ; information management ; instrument automation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Conclusion Dans des conditions d'examen optimales (épaules cadavériques avec coupes axiales et coronales), le diagnostic des lésions du bourrelet glénoïdal supérieur peut être obtenu par l'arthro-scanner ou l'arthro-IRM. Toutefois, pour être fiable, l'arthro-scanner nécessite la réalisation de coupes coronales. L'arthro-IRM, qui permet l'acquisition de coupes axiales et coronales avec un contraste et une résolution élevés, est probablement la méthode de choix pour le diagnostic de ces lésions du bourrelet supérieur.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1279-8517
    Keywords: Shoulder ; Magnetic Resonance imaging ; Tomography ; X Ray computed ; Arthrography ; Labrum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé La possibilité de détecter et de classer les lésions du bourrelet supérieur de la cavité glénoïdale de la scapula (SLAP lesions: Superior Bourrelet Anterior to Posterior) est une nécessité pour le radiologue et l'orthopédiste confrontés à des patients présentant des douleurs de l'épaule. Le but de cette étude réalisée sur des épaules cadavériques, était de déterminer les valeurs respectives de l'arthro-scanner et de l'arthro-IRM dans la détection des variations anatomiques normales et des anomalies pathologiques du bourrelet glénoïdal supérieur. Un arthro-scanner, une arthro-IRM, puis une dissection anatomique ont été réalisées sur 23 épaules fraîches et les résultats de ces examens ont été analysés par un radiologue et deux chirurgiens orthopédistes. L'injection intra-articulaire de gadolinium n'étant actuellement pas autorisée en France, un produit de contraste iodé à été utilisé pour l'arthro-scanner et l'arthro-IRM. Dans cette étude, la sensibilité de l'arthro-IRM semblait meilleure que celle de l'arthro-scanner (respectivement 4 et 3 lésions diagnostiquées sur 5), bien que ce résultat ne soit pas statistiquement significatif compte tenu du petit nombre de cas. En conclusion, dans les conditions spécifiques de notre étude, l'arthro-IRM semble être la méthode de choix pour la détection et la classification des lésions du bourrelet glénoïdal supérieur.
    Notes: Summary The ability to detect and categorize SLAP (Superior Labrum Anterior to Posterior) lesions of the scapular labrum is of practical importance to the orthopedic surgeon and the radiologist. The aim of this study, performed on cadaveric shoulders, was to determine whether CT arthrography or MR arthrography is able to show normal anatomical variation of the glenoid labrum and detect labral abnormalities. CT arthrography, MR arthrography followed by anatomical dissection were performed on twenty three fresh frozen cadaveric shoulders and analysed by a radiologist and two orthopaedic surgeons. As Gadolinium intra-articular injection is not allowed in France, we used an iodinated contrast media for both MR arthrography and CT arthrography. In this study, the sensitivity of MR arthrography seemed higher than CT arthrography (respectively 4 and 3 labral lesions diagnosed out of five), although no significant statistical conclusions can be made due to the small number of cases. In conclusion, under such specific conditions, MR arthrography seems to be the method of choice for the detection and classification of labral lesions.
    Type of Medium: Electronic Resource
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  • 5
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    Bloomington, Ind. : Periodicals Archive Online (PAO)
    Victorian Studies. 8:2 (1964:Dec.) 192 
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  • 6
    ISSN: 1279-8517
    Keywords: Shoulder ; Magnetic Resonance imaging ; Tomography ; X Ray computed ; Arthrography ; Labrum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The ability to detect and categorize SLAP (Superior Labrum Anterior to Posterior) lesions of the scapular labrum is of practical importance to the orthopedic surgeon and the radiologist. The aim of this study, performed on cadaveric shoulders, was to determine whether CT arthrography or MR arthrography is able to show normal anatomical variation of the glenoid labrum and detect labral abnormalities. CT arthrography, MR arthrography followed by anatomical dissection were performed on twenty three fresh frozen cadaveric shoulders and analysed by a radiologist and two orthopaedic surgeons. As Gadolinium intra-articular injection is not allowed in France, we used an iodinated contrast media for both MR arthrography and CT arthrography. In this study, the sensitivity of MR arthrography seemed higher than CT arthrography (respectively 4 and 3 labral lesions diagnosed out of five), although no significant statistical conclusions can be made due to the small number of cases. In conclusion, under such specific conditions, MR arthrography seems to be the method of choice for the detection and classification of labral lesions.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 10 (2000), S. 63-82 
    ISSN: 1432-1084
    Keywords: Key words: Shoulder – Dislocation – MRI – Arthrography – Instability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The purpose of this review is to highlight the most efficient imaging exploratory techniques depicting shoulder instability, to describe its various forms and to point out the findings which can simulate instability. In anterior recurrent dislocation, surgery is indicated and the procedure essentially depends on the importance of glenoid rim lesions. In this case, a standard X-ray evaluation is usually sufficient. The CT arthrography or MRI techniques give more specific details as to the severity of the lesions, particularly soft tissues alterations; however, these data do not alter standard therapeutic protocol. In fixed posterior dislocations, CT scan represents the most pertinent technique to evaluate the size of the humeral head defect and to determine the therapeutic follow-up. In subtle forms of instability, diagnosis or instability direction are not clearly assessed clinically and standard X-ray evaluation is usually unremarkable. In this case, further exploration, such as CT arthrography, MR imaging or MR arthrography, are recommended to confirm the diagnosis of instability and to evaluate its direction. The technique of choice is undoubtedly MR arthrography. Atraumatic voluntary painless subluxations associated with hyperlaxity of the shoulder do not require any specific exploratory method because the findings are generally limited to a capacious axillary pouch.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-5195
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Sur 277 prothèses totales de hanche sans ciment minimadréporiques, 223 ont pu être étudiées avec un recul moyen de 9 ans et 6 mois comportant, sur le plan cotyloïdien, 134 cotyles à pointes et 77 anneaux vissés; l'étude séparée du devenir de l'implant cotyloïdien vise à préciser sa part de responsabilité dans les échecs et à proposer un concept de cotyle non cimenté. Au recul moyen étudié (8 ans 6 mois) 33,3% des anneaux vissés présentent une migration radiologique responsable d'un taux de réintervention de 12,64%. En comparaison et avec un recul moyen plus long (10 ans) le cotyle à pointes ne présente que 14,8% de signes radiologiques de migration avec un taux de reprise de 2,27%. Aucun des facteurs radiocliniques envisagés ne permet d'expliquer cette différence. Celle-ci apparaît liée aux propriétés biomécaniques du cotyle osseux et au comportement mécanique du couple composite osimplant. Cette étude permet aux auteurs de proposer le concept du cotyle à pointes comme une réponse possible à la stabilité à long terme des implants cotyloïdiens non cimentés.
    Notes: Summary We have followed up 227 total hip replacements using a cementless minimadreporic prosthesis for an average of 9 1/2 years. Special attention was paid to the acetabular component, of which 2 types were used; 77 incorporated screw rings and 134 were stabilised by spikes. The screw prostheses were evaluated at an average of 8 1/2 years from operation; one third showed radiological evidence of migration, and revision because of this was required in 12.6% of cases. The spiked cups were followed up for an average of 10 years; 14.8% showed radiological evidence of migration and 2.3% needed revision. We observed no radiological features to explain this difference. The quality of the bone and the mechanical characteristics of the bone/implant contrast may influence the result. We feel that an uncemented spiked acetabular implants is a worthwhile concept.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-5195
    Keywords: Uncemented hip replacement ; Urine concentration Cobalt ; Chromium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le relargage du Cobalt et du Chrome issus d'une prothèse totale de hanche non cimentée en alliage de Cobalt, Chrome et Molybdène est évalué par dosages urinaires faisant appel à la spectrophotométrie d'absorption atomique, en comparant un groupe de 22 patients porteurs de cet implant et un groupe de 21 sujets témoins. Les résultats sont soumis à l'analyse statistique (test de Wilcoxon): -Il n'existe pas d'élévation significative de la concentration urinaire de Cobalt chez les patients porteurs d'une prothèse non cimentée. Les risques de nécrose osseuse ou d'une éventuelle carcinogénèse, liés, à la diffusion de cet ion, semblent donc négligeables. -L'élévation significative (p〈10−2) du taux de Chrome urinaire dans ce même groupe est liée à des phénomènes de corrosion plus prononcés apparus chez trois patients.
    Notes: Summary The concentrations of cobalt and chromium have been measured in the urine of 22 patients who had received uncemented hip prostheses made from cobalt, chromium and molybdenum alloy, and in 21 patients who had not received prostheses, using absorption spectrophotometry. The results were statistically analysed using the Wilcoxon test. The levels of cobalt in the urine in the patients with uncemented prostheses did not show a significant increase, indicating that there is no greater risk of cobalt toxicity. The concentration of chromium was significantly raised (p〈10−2 in the urine of patients with uncemented prostheses, and in three of these patients significant corrosion had occurred.
    Type of Medium: Electronic Resource
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