نتایج جستجو برای: learning curve
تعداد نتایج: 719968 فیلتر نتایج به سال:
Intra-Operative Positioning System (IOPS) (Centerline Biomedical, Cleveland, OH) is a 3D electromagnetic (EM) endovascular navigation system approved by the US Food and Drug Administration developed as an adjunct to fluoroscopy. It provides real-time display of sensorized material on anatomical map flat screen. An investigational prototype based IOPS incorporates ability implanted stent grafts ...
Laparoscopic-assisted rectal resection (LAR) has been widely used to treat rectal cancer. However, it has a steep learning curve. In this study, we aimed to investigate the effects of the learning curve on the outcomes of LAR. All consecutive patients with rectal cancer undergoing LAR or open resection (OR) between 2010 and 2015 were included in this retrospective analysis. The learning curve w...
learning english is very popular all over the world nowadays and it is considered a high prestigious language among citizens of different societies. one of the most important materials for learning a new language are textbooks. the debate that whether learning a new language is natural and neutral or ideological and influential on people’s worldviews, has always been of great importance.
PURPOSE Obesity is associated with morbidity following gastric cancer surgery, but whether obesity influences morbidity after laparoscopic gastrectomy (LG) remains controversial. The present study evaluated whether body mass index (BMI) and visceral fat area (VFA) predict postoperative complications. MATERIALS AND METHODS A total of 217 consecutive patients who had undergone LG for gastric ca...
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