Oxidative stress and anti-oxidants in pre and post operative cases of breast carcinoma

Post-Operative Atrial Fibrillation and Oxidative Stress

ver the last decade there has been substantial progress in nderstanding the pathogenesis of atrial fibrillation (AF), rimarily due to the recognition of the role of the pulmonary eins and their antral regions in the initiation and perpetation of AF (1,2). Much work has focused on the electrohysiological (3,4), anatomical, and histological properties f the pulmonary veins (5); how they initiate ...

Pre- and Post-Operative Management of Surgical Cases.

Pre-Operative and Post-Operative Treatment

A new edition is most welcome. When the book appeared in 1937 it was well in advance of anything then in print. There is again a great deal of recent work assimilated into the body of the various chapters. Among the names of contributors are many new ones,some of which have been prominent in the journals during the last 8 years. We miss the name of Homans and his beautiful article on thrombosis...

Surgery in the aged: pre-operative and post-operative care.

Demographic Trends NEARLY half the patients admitted to general wards of hospitals today are over the age of 60 (Lancet, I963); the average age of patients admitted to Geriatric Units varies between 75 and 80, and in the Sunderland Geriatric Unit over onethird of all the admissions are over 80 years. The number of operations performed on patients of 60 and over (excluding orthopaedic and urolog...

synthesis of sulfides from alcohols and thiols in solvent-freeconditions and deoxygenation of sulfoxides

کاتالیست یک سنتز جدید برای تیواترها توصیف شده است. واکنش الکل ها با آریل، هتروآریل و آلکیل تیو ل ها درحضور 1،3،5- تری آزو- 2،4،6- تری فسفرین-2،2،4،4،6،6 هگزاکلراید ((tapc به عنوان یک کاتالیست موُثر، بازده های خوب تا عالی از تیواترها را حاصل می کند. علاوه براین، واکنش تحت شرایط بدون فلز و بدون حلال پیش می رود، بنابراین یک مکمل جالب برای روش های شناخته شده سنتز تیواترها ارائه می دهد. یک مکانیسم ا...