P1 5-Lipoxygenase Deficiency Diminishes Th2 Cell, Regulatory T-Cell and Dendritic Cell Infiltration of Murine Intestinal Polyps
Joseph D. Phillips, Surgery, Northwestern University, Feinberg School of Medicine, Chicago, IL

P2 The Oncogenetic microRNA 21 and Tumorsuppressive microRNAs 143 and 145 as Response Predictors for Multimodal Treatment of the Locally Advanced Rectal Carcinoma
Peter P. Grimminger, General-, Visceral- and Tumorsurgery, University Clinic Cologne, Cologne Germany

P3 Intra-Gastric Administration of a Japanese Herbal Medicine, Dai-Kenchu-To, Stimulates Colonic Motility via Transient Receptor Potential Cation Channel, Subfamily V, Member 1 (TRPV1) Receptors in Conscious Dogs
Chikashi Shibata, Tohoku University School of Medicine, Sendai Japan

P4 Searching for Keys: Unlocking Mesenchymal Stem Cells Homing Potentials After Acute Anal Sphincter Injury
Massarat Zutshi, Colorectal Surgery, Biomedical Engineering, Cleveland Clinic Foundation, Cleveland Clinic Foundation, Cleveland, OH

P5 A Sprayable Hyaluronate/Carboxymethylcellulose Based Adhesion Barrier Reduces Remote Intraabdominal Adhesion Formation and Does Not Impair Intestinal Healing
Holly K. Sheldon, General Surgery, Boston Medical Center, Boston, MA

P5.5 NOD2 Mutation Results in Altered Wound Healing in Epithelial Cells
Lisa S. Poritz, Surgery, Cellular and Molecular Physiology, The Milton S. Hershey Medical Center, The Milton S. Hershey Medical Center, Hershey, PA

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P6 The Micro-RNA 192 as an Effective Response Prediction Factor in the Multimodality
Daniel Vallbohmer, Department of General, Visceral and Cancer Surgery, University of Cologne, Cologne Germany

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P8 Pterostilbene Induces Mitochondrially-Derived Apoptosis in Pancreatic Cancer Cells by Increasing MnSOD Activity and Release of Cytochrome C and Smac/DIABLO
Denise E. McCormack, Surgery, Surgery , Danbury Hospital, University of Vermont, Burlington, VT

P9 Systemic Inflammation with Multiorgan Dysfunction Is the Cause of Death in Murine Pancreatic Duct Ligation-Induced Acute Pancreatitis
Zuobiao Yuan, University of Iowa Carver College of Medicine, Iowa City, IA

P10 A Promising Novel Target in Pancreatic Cancer: HuR Modulates Multiple Core Signaling Pathways Required for Pancreatic Tumorigenesis
Vanessa A. Talbott, Surgery, Thomas Jefferson University, Philadelphia, PA

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P11 Changes in Neurotransmission via Alpha- and Beta-Receptors During Postoperative Ileus in Rat Circular Jejunal Muscle
Michael Simon Kasparek, Department of Surgery, Walter Brendel Centre of Experimental Medicine , Ludwig-Maximilians-University Munich, LMU Munich, Munich Germany

P12 Central Vagal Activation During Early Postoperative Ileus in the Mouse
Mia Karpitschka, Walter-Brendel Institute, University of Munich, München, Bavaria Germany

P13 Role of Hydrogen Sulfide in Contractile Activity in Circular Muscle of Rat Jejunum
Munenori Nagao, Surgery, Gastroenterology Research Unit, Mayo Clinic, Mayo Clinic, Rochester, MN

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P15 Molecular Determinants of Hyperthermic Intraperitoneal Chemotherapy (HIPEC) in a Model of Peritoneal Gastric Cancer Carcinogenesis
Stefano Fiorucci, Medicina Clinica e Sperimentale, University of Perugia, Perugia, Umbria Italy

P16 Energy Metabolism Following High-Fat Diet and Bariatric Surgeries (Gastric Bypass, Sleeve Gastrectomy, Duodenal Switch and Ileum Transposition) in Rats
Yosuke Kodama, Dept. of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim Norway

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P17 Cost Comparison of Single Incision Laparoscopic Cholecystectomy to Standard Laparoscopic Cholecystectomy
Meredith Claire McMahon, Department of Surgery, University of Louisville, Louisville, KY

P18 High Expression of Telomerase Is an Independent Prognostic Factor in Ampullary Carcinoma
Ryutaro Sakabe, Surgery, Hiroshima University, Hiroshima Japan

P19 Single Incision Laparoscopic Cholecystectomy: A Combined Analysis of Resident and Attending Learning Curves at a Single Institution
Mark Joseph, Department of Surgery, University of North Carolina, Chapel Hill, NC

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P20 Does Pelvic Radiotherapy Affect Genitourinary Function in Patients After Abdominoperineal Resection for Distal Rectal Cancer?
Michael Simon Kasparek, Division of Colon and Rectal Surgery, Department of Surgery, Mayo Clinic Rochester, Ludwig-Maximilians-University Munich, Munich Germany

P21 Hospital Costs, Length of Stay and Readmission Rates for C. Difficile Colitis: Comparing Outcomes Between CDC as the Primary and Secondary Admission Diagnosis
David B. Stewart, Sr, Surgery/Division of Colon and Rectal Surgery, Penn State Hershey Medical Center, Hershey, PA

P22 Laparoscopic Ventral Rectopexy for Rectal Prolapse Using Biological Mesh
Luana Franceschilli, Surgery, University of Rome Tor Vergata, Rome Italy

P23 Safety of Cytoreduction Surgery and Hyperthermic Intraperitoneal Chemotherapy in Older Patients
Susan Beth Kesmodel, Surgery, Surgical Oncology, University of Maryland, Baltimore, MD

P24 Liver Resection for Colorectal Metastases: Does Primary Tumor Grade Predict Positive Surgical Margins?
Cesare Ruffolo, II Department of Surgery (IV unit), Regional Hospital Cà Foncello, Treviso, Treviso Italy

P25 Magnetic Resonance Enterography for Crohn's Disease: What the Surgeon Can Take Home
Marco Scarpa, Department of Oncological Surgery, Venetian Oncology Institute (IOV-IRCCS), Padova Italy

P26 Clinical Examination Versus Computed Tomography in the Diagnosis of Acute Appendicitis
Rachel Wilson, Surgery, Temple University School of Medicine, Philadelphia, PA

P27 CHF and COPD Predict Poor Surgical Outcomes in Older Adults Undergoing Elective Diverticulitis Surgery
Amy Sheer, Surgery, Department of Health Policy and Management, Johns Hopkins University School of Medicine, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD

P28 Gastrointestinal Surgery Risk Assessment Must Factor Into NSQIP, Medicare Public Reporting and Pay-For-Performance Measures: Bring CR-POSSUM Scoring to the U.S.
Anjali S. Kumar, Colon and Rectal Surgery, Washington Hospital Center, Washington, DC

P30 Ileocecectomy for Crohn's Disease (CD): Which Factors Augment Intraoperative Small Bowel Preservation?
Liliana Bordeianou, Surgery, Massachusetts General Hospital, Boston, MA

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P33 Laparoscopic Heller's Myotomy and Fundoplication in Patients with Massive Dilated Megaesophagus
Fernando A.M. Herbella, Department of Surgery, Federal University of Sao Paulo, Sao Paulo, sao paulo Brazil

P34 Efficacy and Durability of Laparoscopic Heller Myotomy: Patient Symptoms and Satisfaction at Long Term Follow Up
John Griffith Linn, Center for Minimally Invasive Surgery, The Ohio State University Medical Center, Columbus, OH

P35 Advanced Esophageal Carcinoma: Is It Still Worth to Operate?
Dean Bogoevski, General, Visceral and Thoracic Surgery, University Clinic Hamburg-Eppendorf, Hamburg Germany

P36 Dysphagia After Esophagectomy for Esophageal Cancer
Alexandra Koenig, University Medical Centre of Hamburg-Eppendorf, Hamburg, Germany, Hamburg Germany

P37 The Myotomy Length on the Gastric Side Doesn?t Influence the Final Outcome of Laparoscopic Heller Dor for Esophageal Achalasia
Renato Salvador, Department of Surgical and Gastroenterological Sciences, Clinica Chirurgica I, University of Padova, Padova Italy

P38 Prognostic Factors for Adenocarcinoma of Esophagogastric Junction
Fion SiuYin Chan, Surgery, University of Hong Kong, Hong Kong Hong Kong

P39 Revisional Surgery After Failed Esophagogastric Myotomy for Achalasia: Successful Esophageal Preservation
Ross Frederick Goldberg, Department of Surgery, Mayo Clinic - Florida, Ponte Vedra Beach, FL

P40 Endoscopic Stapling System for Trans Oral Treatment of GERD: Three Years Follow Up
Aviel Roy-Shapira, Surgery A, Faculty of the Health Sciences, Soroka Univesity Hospital, Ben Gurion University, Beer Sheva Israel

P41 Neoadjuvant Chemo-Radiotherapy Modifies the Histologic Grade of Esophageal Cancer.
Gianpietro Zanchettin, Department of Surgical and Gastroenterological Sciences, Clinica Chirurgica I, University of Padova, Caneva Italy

P42 Incidence and Resolution of Anemia with Paraesophageal Hernia Repair
Chady Haurani, Surgery, Henry Ford Hospital, Detroit, MI

P43 The Hypertensive Upper Esophageal Sphincter Is Related to GERD and Is Improved by Antireflux Surgery
Konstantinos I. Makris, Minimally Invasive Surgery, Legacy Health System, Portland, OR

P44 Positional Effects on the Gastroesophageal Junction and Clinical Presentation: Isolated Upright Reflux vs. Combined/Supine Reflux
Toshitaka Hoppo, Cardiothoracic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA

P45 The Effect of Laparoscopic Nissen Fundoplication (LNF) on Acid and Non Acid Reflux: A prospective evaluation at 1, 3 and 6 months using 24-h pH-Multichannel Intraluminal Impedance (MII-pH)
Antonio Ramos-De la Medina, Gastrointestinal Surgery, Veracruz Regional Hospital, Boca del Rio, Veracruz Mexico

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P48 Comparison of Laparoscopic and Open Liver Resections in Cirrhotic Patients Using a Matched Pair Analysis
Faizal Diamond Bhojani, Toronto General Hospital, Division of General Surgery., University Health Network. University of Toronto, Toronto, ON Canada

P49 Surgical Outcomes of Hepatic Resection in Elderly Patients with Colorectal Liver Metastases
Javairiah Fatima, Division of Gastroenterologic and General Surgery, Mayo Clinic, Rochester, MN

P50 Safety and Efficacy of Preoperative Portal Vein Embolization in Patients at Risk for Postoperative Liver Failure
Kristen Massimino, Surgery, Oregon Health & Science University, Portland, OR

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P51 Intrapancreatic Nerve Invasion as a Predictor for Recurrence After Pancreaticoduodenectomy in Patients with Invasive Ductal Carcinoma of the Pancreas
Kazuaki Shimada, Hepatobiliary and Pancreatic Surgery Division, National Cancer Center Hospital, Tokyo Japan

P52 Assessment of Peripancreatic Fat Infiltration of Pancreatic Ductal Adenocarcinoma by Multidetector-Row Computed Tomography: Correlation to Extrapancreatic Nerve Invasion and Surgical Outcomes
Yusuke Yamamoto, Hepatobiliary and Pancreatic Surgery, National Cancer Center Hospital, Tokyo Japan

P53 Does Routine Endoscopic Ultrasound Alter Surgical Management of Patients with Pancreatic Cystic Lesions? A Retrospective Analysis of 93 Consecutive Patients
Cherif Boutros, Division of Surgical Oncology, University of Maryland School of Medicine, Baltimore, MD

P54 Incidence and Implications of Impaired Glycemic Control Following Distal Pancreatectomy
R. Matthew Walsh, General Surgery, Cleveland Clinic, Cleveland, OH

P55 Surgical Site Infection After Pancreaticoduodenectomy: Single Center Experience of 356 Consecutive Patients
Teiichi Sugiura, Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Center, Shizuoka Japan

P56 Prior Acute Pancreatitis Is the Most Common Cause of Obstructive Pancreatitis in Patients Undergoing Distal Pancreatectomy
Daniel Chan, Mayo Medical School, Mayo Clinic, Rochester, MN

P57 Can We Downstage Regionally Advanced Pancreatic Cancer to Resectable: A Phase I/II Study of Induction Oxaliplatin and 5FU Chemo-Radiation
Marcovalerio Melis, Surgery, New York University, New York, NY

P58 Influence of Staple Size on Fistula Formation Following Distal Pancreatectomy
Boris Sepesi, Department of Surgery, University of Rochester Medical Center, Rochester, NY

P59 Distal Pancreatectomy: Clinically Relevant Leakage from the Pancreatic Stump Closure May Be Due to Drain Failure or Backpressure
Yasushi Hashimoto, Center for Pancreatic Disease, Department of Surgery, Graduate School of Biomedical Science, Hiroshima University, St. Luke's Hospital System, Hiroshima University, Hiroshima Japan

P61 Novel Prediction of Pancreatic Anastomotic Failure After Pancreatoduodenectomy Using Preoperative CT Imaging with the Evaluation of Remnant Pancreatic Volume and Body Composition
Yujiro Kirihara, Surgery, Mayo Clinic, Rochester, MN

P62 Changes in Pancreatic Endocrine and Exocrine Function After First Episode of Acute Alcoholic Pancreatitis
Juhani Sand, Dept. of Gastroenterology and Alimentary Tract Surgery, Tampere Unversity Hospital. Finland, Tampere Finland

P63 Clinical Practice as an Engine Driving a Translational Research Program in Pancreatic Cancer
Eugene P. Kennedy, Surgery, Thomas Jefferson University, Philadelphia, PA

P64 Prognostic Value of Lymph Node Ratio Increases with Number of Lymph Nodes Examined: A Concomitant Review of SEER and MGH Patients
Nakul Valsangkar, Surgery- Warshaw Institute, Laboratory for Quantitative Medicine, Massachusetts General Hospital, Massachusetts General Hospital, Boston, MA

P66 The Utility of Positron Emission Tomography Scans in the Diagnosis and Management of Pancreatic Adenocarcinoma
Megan Denzel Winner, Department of Surgery, Columbia University College of Physicians and Surgeons, New York, NY

P67 One Hundred Forty Six Resections for Intraductal Papillary Mucinous Neoplasm of the Pancreas
Megan Denzel Winner, Department of Surgery, Columbia University College of Physicians and Surgeons, New York, NY

P68 Long Term Complications in Patients Undergoing Pancreaticoduodenectomy with Pancreaticogastrostomy
Eileen Bock, Surgery: Division of Surgical Oncology, Loyola University Medical Center, Maywood, IL, IL

P69 Prospective Comparison of Longterm Outcomes in Patients of Severe Acute Pancreatitis Managed by Operative and Non-Operative Means
Rajesh Gupta, Division of Surgical gastroenterology,Dept of Surgery, Post Graduate Institute Of Medical Education and Research(PGIMER) , Chandigarh India

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P70 Pre Resection Gastric Bypass Reduces Post Resection BMI but Not Liver Disease in Short Bowel Syndrome
Jon Thompson, Surgery, University Nebraska Medical Center, Omaha, NE

P71 Neoadjuvant Treatment of Duodenal Adenocarcinoma: A Rescue Strategy
Edwin O. Onkendi, Surgery, Mayo Clinic, Rochester, MN

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P72 Laparoscopic Roux-en-Y Gastric Bypass vs. Laparoscopic Band for the Treatment of Morbid Obesity: Data from the Nationwide Inpatient Sample (NIS), 2006-2008
Hossein Masoomi, Surgery, University of California, Irvine- Medical Center, Orange, CA

P74 Minimally Invasive Gastrectomy for Gastric Cancer: A Single Institution Experience
Maithao Ngoc Le, General & Oncologic Surgery, City of Hope, Duarte, CA

P75 Pre-Operative Nomogram to Predict Risk of Peri-Operative Mortality Following Gastric Resections for Malignancy
Mashaal Dhir, Surgery, Division of Surgical Oncology, University of Nebraska Medical Center, Omaha, NE

P76 Laparoscopic Gastrectomy: A Single-Center Experience
Rebecca Kowalski, Surgery, , Lenox Hill Hospital, Hofstra Medical School, New York, NY

P77 Is There a Golden Window for the LAP-BANDTM: Greater Intra-Band Pressure Is Needed as Time Passes with LAGB?
David Anh Nguyen, Bariatric Surgery, Skylex Advanced Surgical, Inc, Los Angeles, CA

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P78 A Comparison of Short Term Outcomes Following Abdominal Wall Hernia Repair Based on Pre-Operative Functional Health Status
Emily Albright, University of Kentucky, Lexington, KY

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