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| 1 | National trends in resection of the distal pancreas显示文摘AIM:To investigate national trends in distal pancreatectomy(DP) through query of three national patient care databases.METHODS:From the Nationwide Inpatient Sample(NIS,2003-2009),the National Surgical Quality Improvement Project(NSQIP,2005-2010),and the Surveillance Epidemiology and End Results(SEER,2003-2009) databases using appropriate diagnostic and procedural codes we identified all patients with a diagnosis of a benign or malignant lesion of the body and/or tail of the pancreas that had undergone a partial or distal pancreatectomy.Utilization of laparoscopy was defined in NIS by the International Classification of Diseases,Ninth Revision correspondent procedure code;and in NSQIP by the exploratory laparoscopy or unlisted procedure current procedural terminology codes.In SEER,patients were identified by the International Classification of Diseases for Oncology,Third Edition diagnosis codes and the SEER Program Code Manual,third edition procedure codes.We analyzed the databases with respect to trends of inpatient outcome metrics,oncologic outcomes,and hospital volumes in patients with lesions of the neck and body of the pancreas that underwent operative resection.RESULTS:NIS,NSQIP and SEER identified 4242,2681 and 11 082 DP resections,respectively.Overall,laparoscopy was utilized in 15%(NIS) and 27%(NSQIP).No significant increase was seen over the course of the study.Resection was performed for malignancy in 59%(NIS) and 66%(NSQIP).Neither patient Body mass index nor comorbidities were associated with operative approach(P = 0.95 and P = 0.96,respectively).Mortality(3% vs 2%,P = 0.05) and reoperation(4% vs 4%,P = 1.0) was not different between laparoscopy and open groups.Overall complications(10% vs 15%,P < 0.001),hospital costs [44 741 dollars,interquartile range(IQR) 28 347-74 114 dollars vs 49 792 dollars,IQR 13 299-73 463,P = 0.02] and hospital length of stay(7 d,IQR 4-11 d vs 7 d,IQR 6-10,P < 0.001) were less when laparoscopy was utilized.One and two year survival after resection for malignancy were unchanged over the course of the study(ductal adenocarinoma 1-year 63.6% and 2-year 35.1%,P = 0.53;intraductal papillary mucinous neoplasm and nueroendocrine 1-year 90% and 2-year 84%,P = 0.25).The majority of resections were performed in teaching hospitals(77% NIS and 85% NSQIP),but minimally invasive surgery(MIS) was not more likely to be used in teaching hospitals(15% vs 14%,P = 0.26).Hospitals in the top decile for volume were more likely to be teaching hospitals than lower volume deciles(88% vs 43%,P < 0.001),but were no more likely to utilize MIS at resection.Complication rate in teaching and the top decile hospitals was not significantly decreased when compared to non-teaching(15% vs 14%,P = 0.72) and lower volume hospitals(14% vs 15%,P = 0.99).No difference was seen in the median number of lymph nodes and lymph node ratio in N1 disease when compared by year(P = 0.17 and P = 0.96,respectively).CONCLUSION:There appears to be an overall underutilization of laparoscopy for DP.Centralization does not appear to be occurring.Survival and lymph node harvest have not changed. | Armando Rosales-Velderrain Steven P Bowers Ross F Goldberg Tatyan M Clarke Mauricia A Buchanan John A Stauffer Horacio J Asbun | 2012 | World Journal of Gastroenterology2012，18，32： | 8 |
| 2 | New cytotoxic salinosporamides from the marine actinomycete Salinispora tropica显示文摘 | Williams P G Buchanan G O Feling R H | 2005 | J Org Chem2005，70，16： | 1 |
| 3 | New cytotoxic salinosporamides from the marine actinomycete Salinispora tropica 显示文摘 | Williams P G Buchanan G O Feling R H | 2005 | J Org Chem2005，70，16： | 1 |
| 4 | Steps up the ladder to a sustainable architecture显示文摘 | BUCHANAN P | 1997 | A+U1997，，05： | 1 |
| 5 | Preliminary evaluation of an Immunochomatographic strip test for specific treponema pallidum anti- bodies显示文摘 | Zarakolu P Buchanan I Tam M | 2002 | Clin Microbiol2002，8，： | 1 |
| 6 | Does Decarboxyla- tion Lead to Cross--Linking in Low-Rank Coals 显示文摘 | Thorns P E Phillip F B Buchanan A C | 1996 | Energy Fuels1996，10，6： | 1 |
| 7 | Zinc deficiency and oxidation of L-Methionine-methyl^-14 C in rats显示文摘 | Hsu J M Anthony W L Buchanan P J | 1968 | Nutr1968，97，： | 1 |
| 8 | Effect ofpatient sex on general anaesthesia and recovery 显示文摘 | BUCHANAN F F MYLES P S CICUTTINI F | 2011 | Br JAnaesth2011，106，6： | 1 |
| 9 | InitialUK experience of patient satisfaction with the Meniettdevice for Meniere^s disease treatment显示文摘 | BUCHANAN M A RAI A PRINSLEY P R | 2010 | J LaryngolOtol2010，124，： | 1 |
| 10 | Main effects and interactions of vary- ing formulation protein, fiber, and moisture on feed manufacture and pellet quality显示文摘 | Buchanan N P Moritz J S | 2009 | The Journal of Applied Poultry Research2009，18，2： | 1 |
| 11 | Optimal policy for a periodic review returnable inventory system显示文摘 | Buchanan D J Abad P L | 1998 | IIE Transactions1998，30，： | 1 |
| 12 | Search for memory effects in methane hydrate: Structure of water before hydrate formation and after hydrate decomposition显示文摘 | Buchanan P Soper A K Thompson H | 2005 | Jour- nal of Chemical Physics2005，123，16： | 1 |
| 13 | Sporolides A and B:structurally unprecedented halogenated macrolides from the marine actinomycete Salinispora tropica显示文摘 | Buchanan G O Williams P G Feling R H | 2005 | Org Lett2005，7，13： | 1 |
| 14 | Decreased structure on dissolving methane in water 显示文摘 | BUCHANAN P ALDIWAN N SOPER A J | 2005 | Chemical Physics Letters2005，415，2： | 1 |
| 15 | In vitro bioassy of sheep gastointestinal mucus for nematode paralysing activity mediated by substances with some properties characteristic of SRS-A显示文摘 | Harrison G B L Buchanan L L | 1983 | International Journal for Parasitolohy1983，13，： | 1 |
| 16 | Utility of breast magnetic resonance imaging in patients with occult primary breast cancer显示文摘 | Buchanan C L Morris E A Dorn P L | 2005 | Ann Surg Oncol2005，12，12： | 1 |
| 17 | Locoregional recur-rence after mastectomy : incidence and outcomes 显示文摘 | BUCHANAN C L DORN P L FEY J | 2006 | J Am CollSurg2006，203，4： | 1 |
| 18 | A rice high-afinity potassium transporter (HTK) conceals a calcium-permeable cation 显示文摘 | Lan W Z Wang W Wang S M Li L G Buchanan B B Lin H X Gao J P Luana S | 2010 | Proceedings of the National Academy of Sciences of the United States of America2010，107，15： | 1 |
| 19 | Characteristics and preliminary observations of the influence of electro- myostimulation on the size and function of human skeletal muscle during 30 days of simulated microgravity 显示文摘 | Duvoisin MR Convertino VA Buchanan P | 1989 | Aviat Space Environ Med1989，60，7： | 1 |
| 20 | Effect of gelatinizing dietary starch through feed processing on zero-to three-week broiler performance and metabolism显示文摘 | Moritz J S Parsons A S Buchanan N P | 2005 | Journal of Applied Poultry Research2005，14，： | 1 |
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