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| 1 | Pros and cons of colonoscopy in management of acute lower gastrointestinal bleeding显示文摘Acute lower gastrointestinal bleeding(LGIB) is a frequent gastrointestinal cause of hospitalization,particularly in the elderly,and its incidence appears to be on the rise.Endoscopic and radiographic measures are available for the evaluation and treatment of LGIB including flexible sigmoidoscopy,colonoscopy,angiography,radionuclide scintigraphy and multi-detector row computed tomography.Although no modality has emerged as the gold standard in the management of LGIB,colonoscopy is the current preferred initial test for the majority of the patients presenting with hematochezia felt to be from a colon source.Colonoscopy has the ability to diagnose all sources of bleeding from the colon and,unlike the radiologic modalities,does not require active bleeding at the time of the examination.In addition,therapeutic interventions such as cautery and endoclips can be applied to achieve hemostasis and prevent recurrent bleeding.Studies suggest that colonoscopy,particularly when performed early in the hospitalization,can decrease hospital length of stay,rebleeding and the need for surgery.However,results from available small trials are conflicting and larger,multicenter studies are needed.Compared to other management options,colonoscopy is a safe procedure with complications reported in less than 2% of patients,including those undergoing urgent examinations.The requirement of bowel preparation(typically 4 or more liters of polyethylene glycol),the logistical complexity of coordinating after-hours colonoscopy,and the low prevalence of stigmata of hemorrhage complicate the use of colonoscopy for LGIB,particularly in urgent situations.This review discusses the above advantages and disadvantages of colonoscopy in the management of acute lower gastrointestinal bleeding in further detail. | Dekey Y Lhewa Lisa L Strate | 2012 | World Journal of Gastroenterology2012，18，11： | 15 |
| 2 | Trace analysis of trans-2-nonenal in beer by two-dimensional high resolution gas chromatography显示文摘 | Strating J Westra W M Verhagen L C Slotema F P | 1979 | MBAA Techn Q1979，16，4： | 1 |
| 3 | Antiviral activities of lactoferrin显示文摘 | Van der Strate B W A Beljaars L Molema G | 2001 | Antiviral Research2001，52，3： | 1 |
| 4 | Jccult palpable earcino-ma of the thyroid with distant metas- tases显示文摘 | STRATE L M LEE E L CHILDERb J H | 1984 | Cancer1984，54，： | 1 |
| 5 | Use of aspirin or non - steroid- al anti - inflammatory drugs increases risk for diverticulitis and diver- ticular bleeding显示文摘 | Strate L L Liu Y L Huang E S | 2011 | Gastroenterology2011，140，5： | 1 |
| 6 | Inhibition of cytomegalovirus infection by lactoferrin in vitro and in vivo显示文摘 | Beljaars L van der Strate B W A Bakker H I | 2004 | Antiviral research2004，63，3： | 1 |
| 7 | Shear zones in the upper mantle :A case study in an Alpine lherzolite massif显示文摘 | Drury M R Hoogerdui j n Strating E H van der Wal D | 1991 | Geology1991，19，： | 1 |
| 8 | Isolation and characterization of microsatellite loci in the benthic seaweed,Cladophoropsis membranaceae (Cladophorales,Chlorophyta)显示文摘 | Van der Strate H J Olsen J L Van de Zande L | 2000 | Mol Ecol2000，9，： | 1 |
| 9 | Use of aspirin or nonsteroidal anti-inflammatory drugs increases risk for diverticulitis and diverticular bleeding显示文摘 | STRATE L L LIU Y HUANG E | 2011 | Gastroenterology2011，140，5： | 1 |
| 10 | An- tiviral activities of lactofemn 显示文摘 | VanDER STRATE B W A BELJAARS L MOLEMA G | 2001 | Antiviral Res2001，52，3： | 1 |
| 11 | Extrahepatie portal hypertension in chmic pancreatitis: an old problem revisited显示文摘 | Izbicki JR Yekebas EF Strate T et a l | 2002 | Ann Surg2002，236，1： | 1 |
| 12 | Inhibition of cytomegalovirus infection by lactoferrin in vitro and in vivo 显示文摘 | Beljaars L Van der Strate BW Bakker HI | 2004 | Antiviral Res2004，63，3： | 1 |
| 13 | Analysis of e-2-nonenal in beer at the ultra trace level by high -performance liquid chromatography using precolumn derivatization and column switching techniques 显示文摘 | Verhagen L C Strating J Tjaden U R | 1987 | J Chromatogr1987，393，： | 1 |
| 14 | Antiviral activities of lactofen'in显示文摘 | van der Strate BWA Belijaars L Molema G | 2001 | Antiviral Res2001，3，： | 1 |
| 15 | Inhibition of cytomegalovirus infection by lactoferrin in vitro and in vivo显示文摘 | BELJAARS L van der STRATE B W BAKKER H I | 2004 | Antiviral Res2004，63，3： | 1 |
| 16 | Antiviralactivities of lactoferrin显示文摘 | van der STRATE B W A BELIJAARS L MOLEMA G | 2001 | Antiviral Research2001，52，： | 1 |
| 17 | Antiviral activities of lactoferrin 显示文摘 | Strate B Beljaars L Molema G | 2001 | Antiviral Research2001，52，3： | 1 |
| 18 | Quantitative roenlgcnographic densitometry for assessing fracture healing 显示文摘 | Tiedeman J J Lippiello L Connolly JF Strates BS | 1990 | Clin Orthop Relat Res1990，253，4： | 1 |
| 19 | Within-island differentiation and between-island homogeneity: non-equilibrium population structure in the seaweed Cladophoropsis membranacea (Chlorophyta) in lhe Canary Islands 显示文摘 | van der Strate H J van de Zande L Stam W T | 2003 | Eur J Phyeol2003，38，： | 1 |
| 20 | Timing of colonoscopy:impact on length of hospital stay in patients with acutelower intestinal bleeding 显示文摘 | STRATE L L'SYNGAL S | 2003 | Am J Gastroenteral2003，98，： | 1 |
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