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  1. No Access

    Article

    Sleeve gastrectomy and Roux-en-Y gastric bypass exhibit differential effects on food preferences, nutrient absorption and energy expenditure in obese rats

    All available treatments directed towards obesity and obesity-related complications are associated with suboptimal effectiveness/invasiveness ratios. Pharmacological, behavioral and lifestyle modification trea...

    N Saeidi, E Nestoridi, J Kucharczyk, M K Uygun… in International Journal of Obesity (2012)

  2. No Access

    Article

    Changes in serum ghrelin predict weight loss after Roux-en-Y gastric bypass in rats

    Although Roux-en-Y gastric bypass (RYGB) is an effective and widely used therapy for severe obesity, the mechanisms by which it induces weight loss are not well understood. Several studies have shown that RYGB...

    N. Stylopoulos, P. Davis, J. D. Pettit… in Surgical Endoscopy And Other Interventiona… (2005)

  3. No Access

    Article

    Simulated laparoscopy using a head-mounted display vs traditional video monitor: an assessment of performance and muscle fatigue

    The direction of visual gaze may be an important ergonomic factor that affects operative performance. We designed a study to determine whether a head-mounted display (HMD) worn by the surgeon would improve tas...

    S. K. Maithel, L. Villegas, N. Stylopoulos… in Surgical Endoscopy And Other Interventiona… (2005)

  4. No Access

    Article

    Computer-enhanced laparoscopic training system (CELTS): bridging the gap

    There is a large and growing gap between the need for better surgical training methodologies and the systems currently available for such training. In an effort to bridge this gap and overcome the disadvantage...

    N. Stylopoulos, S. Cotin, S.K. Maithel… in Surgical Endoscopy And Other Interventiona… (2004)

  5. No Access

    Article

    Histologic characteristics of laparoscopic saline-enhanced electrosurgery of liver and splenic injuries

    Background: Hemostasis is crucial during laparoscopic surgery. Unlike conventional electrosurgery, saline-enhanced electrosurgery (SEE) improves the electrode-to-tissue interface. This st...

    C. Sims, N. Stylopoulos, J. Clavijo… in Surgical Endoscopy And Other Interventiona… (2003)

  6. No Access

    Article

    A cost–utility analysis of treatment options for inguinal hernia in 1,513,008 adult patients

    Background: The controversial issue of the cost-effectiveness of laparoscopic inguinal hernia repair is examined, employing a decision analytic method. Materials and methods: The NSAS, NHDS (National Center fo...

    N. Stylopoulos, G.S. Gazelle, D.W. Rattner in Surgical Endoscopy And Other Interventiona… (2003)

  7. Chapter and Conference Paper

    Characterization of Intra-abdominal Tissues from in vivo Animal Experiments for Surgical Simulation

    The lack of data on in vivo material properties of soft tissues is one of the impediments in the development of realistic surgical simulators. The measurement of these properties is not a trivial task, due to the...

    Jung Kim, Boon K. Tay, N. Stylopoulos… in Medical Image Computing and Computer-Assis… (2003)

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