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| 1 | Gallstone-related complications after Roux-en-Y gastric bypass:a prospective study显示文摘BACKGROUND: Gastric bypass is a widespread bariatric procedure that carries a high incidence of gallstone formation postoperatively. Controversy exists regarding the importance and consequences of gallstones in these patients. There are surgeons who consider gallstone-related complications after gastric bypass important enough to require routine removal of the gallbladder during gastric bypass (prophylactic cholecystectomy). However, this can lead to increased costs and risks. This study aimed to identify complications related to cholelithiasis after Roux-en-Y gastric bypass (RYGBP). METHODS: This is a prospective observational study of 40 morbidly obese patients free of gallbladder disease. The patients underwent open RYGBP at a public hospital in Brazil from February to October 2007. They were followed up clinically and ultrasonographically at 6 months and 1, 2, and 3 years after surgery. Of the patients, 38 patients were followed up for 3 years. RESULTS: Eleven patients (28.9%) developed cholelithiasis, four (10.5%) experienced biliary pain, and 2 suffered from acute biliary pancreatitis (5.3%). These patients had their gallbladders removed laparoscopically. No patient presented with acute cholecystitis, choledocholithiasis, or bile duct dilation during the follow-up period. There were no deaths. CONCLUSIONS: Gallstone-related complications after RYGBP were relatively common. Some of these complications, like acute pancreatitis, are known to have potentially severe outcomes. It seems reasonable to perform cholecystectomy during gastric bypass in the presence of cholelithiasis or after this procedure if gallstones develop. | Rachid G Nagem Alcino Lázaro-da-Silva Rafael Morroni de Oliveira Valter Garcia Morato | 2012 | Hepatobiliary & Pancreatic Diseases International2012，11，6： | 10 |
| 2 | Cholecystolithiasis after gastric by- pass:A clinical,biochemical,and ultrasonographic 3-year follow- up study显示文摘 | Nagem R Ldzaro-da-Silva A | 2012 | Obes Surg2012，22，10： | 1 |
| 3 | Surface roughness of composite resins after finishing and polishing显示文摘 | Nagem Filho H D Azevedo MT Nagem HD | 2003 | Braz Dent J2003，14，1： | 1 |
| 4 | Cata- lytic hydrodehalogenation of aromatic halides moni- tored by membrane introduction mass spectrometry 显示文摘 | LAGO R M NAGEM N F DALMZIO I | 2003 | Rapid Communications in Mass Spectrometry2003，17，13： | 1 |
| 5 | Tetraoxygenated naturally occurring xanthones显示文摘 | Nagem TJ De oliveira FF | 2000 | Phytochemistry2000，55，7： | 1 |
| 6 | Tetraoxygenated naturally occurring xanthones显示文摘 | Peres V Nagem TJ de Oliveira FF | 2000 | Phytochemistry2000，55，： | 1 |
| 7 | Transdermal oxygen does not improve sternal wound oxygenation in patients recovering from cardiac surgery显示文摘 | Bakri MH Nagem H Sessler DI | 2008 | Anesth Analg2008，106，6： | 1 |
| 8 | Transdermal oxygen does not improve sternal wound oxygenation in patiente recovering from cardiac surgery显示文摘 | Bakri NH Nagem H Sessler DI | 2008 | Anesth Analg2008，106，6： | 1 |
| 9 | Trioxygenated naturally occurring xanthones 显示文摘 | PERSS V NAGEM T J | 1997 | Phytochemistry1997，44，： | 1 |
| 10 | Dynamic analysis of large space structure using transfer matrices and joint coupling matrices显示文摘 | Nagem R J Williams J H | 1989 | Mechanical Structure and Machine1989，17，3： | 1 |
| 11 | Tetraoxygenated naturallyoccurring xanthones显示文摘 | Peres V Nagem TJ de Oliveira FF | 2000 | Phytochemistry2000，55，7： | 1 |
| 12 | Crystal Structure of Recombinant Human Interleukin-22显示文摘 | Ronaldo Alves Pinto Nagem Didier Colau Laure Dumoutier Jean-Christophe Renauld Craig Ogata Igor Polikarpov | 2002 | Structure2002，，8： | 1 |
| 13 | Crystal structure of exo-inulinase from Aspergillus awamori: the enzyme fold and structural determinants of substrate recognition显示文摘 | NAGEM R A P ROJAS A L GOLUBEY A M | 2004 | J Mol Biol2004，344，： | 1 |
| 14 | Leiaxanthone, a 1,3,5,6-Tetraoxygen ated xanthone from Haploelathra leiantha 显示文摘 | Nagem T J Silveira J D | 1986 | Phytoehemistry1986，25，2： | 1 |
| 15 | Subtotal splenectomy for splenic abscess显示文摘 | Nagem RG Petroianu A | 2009 | Can JSurg2009，52，4： | 1 |
| 16 | Trioxygenated naturally occurring xanthones显示文摘 | PERES V NAGEM T J | 1997 | Phytochemistry1997，44，2： | 1 |
| 17 | Trioxygenated naturally occurring xanthones显示文摘 | Nagem TJ | 1997 | Phytochemistry1997，44，2： | 1 |
| 18 | Tetraoxygenated naturally occurring xanthones显示文摘 | Peres V Nagem TJ Oliveira FFD | 2000 | Phytochemistry2000，55，7： | 1 |
| 19 | A newclassification of type Ⅲ open frac ture显示文摘 | 〔1〕 Gustilo RB Mendoza RM Williams DN Problem in the ma nagem ent of type Ⅲ (severe) open fracture | 1984 | J Trauma1984，24，： | 1 |
| 20 | Crystal structure of exo-inulinase from Aspergillus awamori : The enzyme fold and structural determinants of substrate recognition显示文摘 | Nagem R A P Rojas A L Golubev A M | 2004 | Journal of Molecular Biology2004，344，2： | 1 |
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