نتایج جستجو برای: short time preservation

تعداد نتایج: 2274075  

Journal: :Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 2004
K Bujko M P Nowacki A Nasierowska-Guttmejer W Michalski M Bebenek M Pudełko M Kryj J Oledzki J Szmeja J Słuszniak K Serkies J Kładny M Pamucka P Kukołowicz

BACKGROUND AND PURPOSE The aim was to verify whether preoperative conventionally fractionated chemoradiation offers an advantage in sphincter preservation in comparison with preoperative short-term irradiation. PATIENTS AND METHODS Patients with resectable T3-4 rectal carcinoma without sphincters' infiltration and with a lesion accessible to digital rectal examination were randomised into: pr...

Journal: :بینا 0
سپهر فیضی s feizi ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی محمدعلی جوادی ma javadi ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی مژگان رضایی کنوی m rezaie kanavi ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranمرکز تحقیقات مهندسی بافت چشم- دانشگاه علوم پزشکی شهید بهشتی فاطمه جوادی f javadi

purpose: to evaluate the influence of donor characteristics (age, death-to-preservation time, preservation-to-surgery time, graft rating, and endothelial cell features) on clinical outcomes following deep anterior lamellar keratoplasty (dalk) in patients with keratoconus. methods: in this retrospective study, 290 consecutive keratoconic eyes underwent dalk using donor corneas of different quali...

Journal: :بینا 0
محمدعلی جوادی ma javadi ophthalmic research center, shahid beheshti university of medical sciencshahid beheshti university of medical scienceses, tehran, iranدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران سپهر فیضی s feizi ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران حسن قاسمی h ghasemi دانشگاه شاهد- تهران- ایران پرویز ملکی فر p malekifar ophthalmic research center, shahid beheshti university of medical sciences, tehran, iranدانشگاه علوم پزشکی شهید بهشتی- تهران- ایران فاطمه جوادی f javadi دانشگاه شاهد- تهران- ایران

purpose: this study evaluated the effect of donor and eye bank characteristics on graft rating and clinical outcomes after penetrating keratoplasty (pk) in keratoconus-affected patients. methods: a total of 252 consecutive keratoconic eyes that underwent pk were reviewed in this retrospective interventional case series. donor data included age and sex, cause of death, death-to-preservation time...

Journal: :international journal of reproductive biomedicine 0
seyed kamal-aldin hoseinzadeh-sani farid barati mahmoud khaksary mahabady

background: there are many studies focused on long or short storage time of epididymal sperm (eps) of different species. there are limited studies on preservation or cryopreservation of the domestic goat eps. objective: the aim of the present study was to evaluate the effects of ex vivo cold-storage on freezing of eps from goat (capra hircus). materials and methods: in a split-plot design the c...

1998
CHENGZHENG SUN XIAOHUA JIA YANCHUN ZHANG YUN YANG DAVID CHEN Chengzheng Sun

Real-time cooperativeediting systems allow multipleusers to view and edit the same text/graphic/ image/multimedia document at the same time from multiple sites connected by communication networks. Consistency maintenance is one of the most signiicant challenges in designing and im-plementingreal-time cooperative editing systems. In this paper, a consistency model, with properties of convergence...

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