منابع مشابه
X-ray plays vital role in hip replacement surgery
The first hip replacements were performed about 50 years ago. As surgical techniques subsequently evolved, radiological criteria for evaluating prosthesis components and their complications adapted accordingly. Our hospital has performed more than 200 hip replacements annually over the past 14 years. Surgeons have used a variety of materials to replace the hip joint, including metal, polyethyle...
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lthough the autogenous vein has proven itself to be the preferred conduit for infrainguinal revascularization, the ever increasing age and complexity of patients with arterial occlusive disease has brought about clinical scenarios where autogenous vein is not available and an alternative conduit must be found. Given the absence of reliable options for infrageniculate bypass when suitable autoge...
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La Philosphie de Bergson vise la vie spirituelle, le spiritualisme, la joie, l’appétit et le changement perpétuel de la réalité. En conséquence las trios notions de la durée, de la mémoire et de l’élan vital constituent la réalité de la vie dans son cheminement et dans son progrès. L’ensemble de ces notions fondamentales décèle la contenu de la vie, et dégage la réalité de ses rigidités de l’au...
متن کاملBuilding a Data-Driven Vital Sign Indicator for an Economically Optimized Component Replacement Policy
In asset-intensive services, a well-known challenge is to maintain high availability of the physical assets while keeping the total maintenance cost low. In applications of high-value machinery such as heavy industrial equipment, a traditional approach is to perform periodic maintenance according to a runtime-based schedule. Most equipment vendors publish a maintenance schedule based on a “stan...
متن کاملA study of various occurrences of the Al2SiO5 polymorphs in the rocks/veins of the Hamedan region, Iran: with special reference to origin of quartz-kyanite veins
The study area is a part of so-called Sanandaj-Sirjan zone or Zagros imbricate zone of the Zagros Orogen, Iran. The Hamedan region comprises a metamorphic sequence of low- to high-grade regional and contact metamorphic rocks intruded by mafic, intermediate and felsic plutonic bodies. The sequence comprises pelitic, psammitic, mafic, calc-pelitic and calc-silicate rocks. Pelitic rocks are the m...
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ژورنال
عنوان ژورنال: Annals of Surgery
سال: 1959
ISSN: 0003-4932
DOI: 10.1097/00000658-195904000-00016