An uncommon cause of delayed postpartum hemorrhage is a pseudoaneurysm of the uterine artery. Pelvic arterial pseudoaneurysm is generally treated by laparotomy and hemostatic sutures or by uterine artery embolization. We describe two cases of late postpartum hemorrhage following Cesarean section, attributed to pelvic arterial pseudoaneurysm, that were successfully treated by direct thrombin injection under ultrasound guidance. Percutaneous or transvaginal ultrasound‐guided direct thrombin injection is a simple procedure that does not require any sophisticated surgical or radiological equipment. Copyright © 2007 ISUOG. Published by John Wiley & Sons, Ltd.
Le retour de l'État sur le territoire constitue un thème politique des plus récurrents. L'effervescence récente, dans le domaine l égislatif et règlementaire, laisse penser que, cette fois « ça y est ». Tout converge en effet pour donner à voir une nouvelle architecture de l'am énagement du territoire en France, fermement campée sur des schémas nationaux de services publics, des proc édures contractuelles liant l 'État aux collectivit és territoriales et des dispositions légales visant à mieux organiser le gouvernement des agglomérations. L'État aurait donc, à nouveau, un projet pour le territoire. Mais de quelle nature, exactement, est ce projet ? A quelles échelles opère-t-il ? Et, au total, s'agit-il d'un projet pour le territoire ? Ne faut-il pas plutôt y voir la continuation du processus de fragmentation de l'action publique dont la décentralisation constitue une étape plutôt qu'un point d'arrêt ?
Chaque territoire est doté de ressources objectives (notamment économiques) et subjectives (identité, culture...) : mais à l’heure où nos vies quotidiennes se déroulent en réseaux, entre plusieurs lieux, plusieurs usages, existe-t-il un découpage territorial qui permette de fédérer ces ramifications ? Et qu’en est-il de la représentation politique, qui peut difficilement exister sans périmètre territorial ?
A new class of line detectors based on the theory of linear contrasts is developed. By incorporating the F-statistic and the shape test, the new algorithm detects and locates line features simultaneously, and thereby increases the detection power substantially. Many classes of detectors, including the step edge detector, naturally becomes subclasses of the proposed detector. Mathematical analysis indicates that the new algorithm that accounts for noise dependence performs better than its counterpart that neglects the dependence of noise. A symmetrical balanced incomplete-blocks (SBIB) design is introduced to model real-world images in terms of a treatment group that is associated with preexistent, conspicuous, features such as lines, edges, etc., and an incomplete treatment group that is randomized to accommodate image textures. The new algorithm in conjunction with the SBIB design is applied in the four main directions, perpendicularly to the line under investigation. It is robust, simple, efficient, and amenable to real-time applications. All pertinent statistics for the implementation of the procedure are estimated from data. Extensive computer simulations demonstrate the performance of the proposed detector.
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