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Training vs practice: A tale of opposition in acute cholecystitis

World Journal of Hepatology 2015年第23期7卷 2470-2473页

作者： purvi P patel Shaun C Daly Jose M Velasco Department of General Surgery Rush University Medical Center

Acute cholecystitis is one of the most common surgical diagnoses encountered by general *** its high incidence there remains a range of treatment of *** practices in biliary surgery vary as to timing,intraoperative utilization of biliaryimaging,and management of bile duct stones despite growing evidence in the literature defining best *** of patients with acute cholecystitis with early laparoscopic cholecystectomy(LC)results in better patient outcomes when compared with delayed surgical management techniques including antibiotic therapy or percutaneous *** of this data,many surgeons still prefer to utilize antibiotic therapy and complete an interval LC to manage acute *** use of intraoperative biliary imaging by cholangiogram or laparoscopic ultrasound has been demonstrated to facilitate the safe completion of cholecystectomy,minimizing the risk for inadvertent injury to surrounding structures,and lowering conversion rates,however it is rarely *** used to be a diagnosis managed exclusively by surgeons but current practice favors referral to gastroenterologists for performance of preoperative endoscopic ***,there is evidence that intraoperative laparoscopic stone extraction is safe,feasible and may have added *** review aims to highlight the differences between existing management of acute cholecystitis and evidence supported in the literature regarding best practice with the goal to change surgical practice to adopt these current recommendations.

关键词： Cholangiography Acute cholecystitis Ultrasound Lap

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Spectroscopic Investigation and Characterizations of PAM/PEO Blends Films

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Soft 2015年第2期4卷 9-24页

作者： Gaurang patel Mundan B. Sureshkumar purvi patel Department of Physics Faculty of Science The M.S. University of Baroda Vadodara India Science and Humanities Department Dr. S & S S Ghandhy College Surat India

Polymer blends have been obtained in the form of dimensionally stable and free standing films and their properties were characterized by different techniques. FTIR analysis and Raman spectroscopic analysis cleared the hydrogen bonding intermolecular interaction between –CONH2 groups in Poly Acrylamide (PAM) and C-O-C and –CH2OH group in Poly Ethylene Oxide (PEO). From Differential Scanning Calorimeter (DSC) the study shows that crystallinity is increasing with PEO wt%. From polymer interaction parameter we also show that the polymer blend is miscible. Thermal stability of films is investigated by Thermo Gravimetric Analysis (TGA) and derivative Thermo Gravimetric Analysis (DrTG). From UV-Vis absorption spectra, absorption band edge, direct/ indirect band gap and optical activation energy have been calculated.

关键词： Polymer Blend Poly Acrylamide Poly Ethylene Oxide Thermal Properties Mechanical Properties

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