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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Diseases of the colon & rectum 36 (1993), S. 55-60 
    ISSN: 1530-0358
    Keywords: Anal canal ; Sensitivity ; Evoked cortical potentials
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We describe the procedure with which cortical potential responses are evoked by a stimulation of the anal canal to assess the integrity of its sensory pathways. These potentials were recorded in 66 patients. In 44 patients, a cortical evoked response was obtained with a succession of positive and negative peaks, W shaped (35 cases) or V shaped (nine cases). In seven cases, cortical responses were interpreted differently by two independent observers. In these seven patients, such differences could be explained by an insufficient amplification of the recorded electrical waves recorded on paper (〈10 mm). Fifteen patients gave no cortical response. Eight had a neurologic disease that could explain the lack of response. In the seven others, the absence of response was considered as false negative, but six of these stimulations had been carried out during the first part of the study. There is some evidence that cortical evoked potentials may be obtained after an electrical stimulation of the anal canal, but a training period seems necessary to master the technique and obtain reproducible and recognizable responses.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of orthopaedic surgery & traumatology 1 (1991), S. 99-100 
    ISSN: 1432-1068
    Keywords: Bone graft ; Osteonecrosis of the femoral head ; Revascularisation of bone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The authors have treated avascular necrosis of the femoral head by pedicle bone graft for 10 years. The necrotic tissue is excised and replaced by carcellous bone graft. We use an iliac crest graft vascularised by the deep circumflex ilias pedicle. This cloner site gives good carcellous bone and avoids a micro-anastomoses. The hip is approached via an extended Hueter incision without dislocation. 18 cases (16 patients) were followed up for an average of 4 years. There were 6 good results, 3 fair, 6 bad and 2 complete failors requiring revision to arthroplasty. In these young patients two thirds returned to work. These reults are disappointing but this technique is woth considering in view of the limited therapeutic options in this condition.
    Notes: Résumé Le traitement des nécroses de la tête fémorale par greffe pédiculée a été proposé depuis près de 10 ans. Il consiste en une excision du tissu nécrosé et en son remplacement par une greffe d' os spongieux. Nous utilisons un greffon iliaque vascularisé par le pédicule circonflexe iliaque profond. L'avantage du site de prélèvement est double : le greffon est riche en os spongieux et sa proximité permet d'éviter une micro-anastomose. L'abord de la hanche se fait par une voie de Hueter élargie sans luxation de la hanche. Par une arthrotomie antérieure, on réalise une fenêtre dans le col qui permet d'exciser la nécrose et de réaliser la greffe. Notre série comporte 16 cas dont 2 bilatéraux. L'âge moyen des patients est de 36 ans. Il s'agit de nécrose stade II ou III. Le recul moyen est de 4 ans. Nous avons obtenu 6 bons et très bons résultats, 3 résultats passables, 6 résultats médiocres et mauvais, 2 échecs qui ont dû être repris par une arthroplastie. S'agissant de patients jeunes, deux tiers des opérés ont repris une activité professionnelle régulière. Les résultats obtenus sont assez décevants. Cependant, cette technique mérite d'être discutée en raison des possibilités thérapeutiques limitées dans cette affection.
    Type of Medium: Electronic Resource
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