abstract：BACKGROUND:The thoracic duct plays an important role in fluid balance, lipid absorption, and transport of immunologically active cells. The thoracic duct is difficult to access but is readily identified by EUS. The present study assessed the feasibility of EUS identification and EUS-guided puncture of the thoracic duct...

journal_title：Gastrointestinal endoscopy

authors： Parasher VK,Hernandez LV,Leveen RF,Mladinich CR,Nonabur V,Bhutani MS

更新日期：2004-04-01 00:00:00

abstract：BACKGROUND:Unsedated esophagoscopy with ultrathin endoscopes is a valuable screening modality for Barrett's esophagus, but the stomach and the duodenum cannot be examined completely with the smallest and best tolerated of these endoscopes. There are no data as to how often disease in the stomach and the duodenum would ...

journal_title：Gastrointestinal endoscopy

authors： Wildi SM,Glenn TF,Woolson RF,Wang W,Hawes RH,Wallace MB

更新日期：2004-03-01 00:00:00

abstract：BACKGROUND:A trucut needle biopsy device that can be used to obtain specimens from the pancreas and other perigastric organs under EUS guidance has been developed and successfully tested in animals. Moreover, EUS-guided trucut needle biopsy has been used safely in humans and appears to provide more accurate results tha...

journal_title：Gastrointestinal endoscopy

authors： Larghi A,Verna EC,Stavropoulos SN,Rotterdam H,Lightdale CJ,Stevens PD

更新日期：2004-02-01 00:00:00

abstract：BACKGROUND:By assessing the intrapapillary capillary loop in esophageal mucosa, magnifying endoscopy can play an important role in the evaluation of superficial esophageal lesions. A newly developed narrow-band imaging system was applied to magnifying endoscopy in a clinical setting; the benefit of the narrow-band imag...

journal_title：Gastrointestinal endoscopy

authors： Yoshida T,Inoue H,Usui S,Satodate H,Fukami N,Kudo SE

更新日期：2004-02-01 00:00:00

abstract：BACKGROUND:Increasingly, pancreatic stents are being placed to prevent post-ERCP pancreatitis. However, guidewire and stent placement may fail if the duct is small or tortuous, potentially exacerbating the risk. This study assessed the impact of unsuccessful pancreatic stent placement on complications and the efficacy ...

journal_title：Gastrointestinal endoscopy

authors： Freeman ML,Overby C,Qi D

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Photodynamic therapy of pancreatic cancer by using percutaneously placed light catheters has been reported. The feasibility and safety of EUS-guided photodynamic therapy of the pancreas was studied in a porcine model. METHODS:After injection of porfimer sodium, a 19-gauge needle was inserted into the pancre...

journal_title：Gastrointestinal endoscopy

authors： Chan HH,Nishioka NS,Mino M,Lauwers GY,Puricelli WP,Collier KN,Brugge WR

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Appropriate management of lower-GI hemorrhage remains controversial largely because outcomes data are lacking. It is our hypothesis that clinical factors, such as comorbidity, hemodynamic instability, and timing of colonoscopy, are associated with hospital lengths of stay. METHODS:Medical records of patient...

journal_title：Gastrointestinal endoscopy

authors： Schmulewitz N,Fisher DA,Rockey DC

更新日期：2003-12-01 00:00:00

abstract：BACKGROUND:Stigmata of recent hemorrhage are important prognostic signs for patients with ulcer bleeding, but these are subjective findings. This study evaluated the additional diagnostic value of Doppler US assessment in patients with a bleeding peptic ulcer. METHODS:A prospective, multicenter study was performed of ...

journal_title：Gastrointestinal endoscopy

authors： van Leerdam ME,Rauws EA,Geraedts AA,Tijssen JG,Tytgat GN

更新日期：2003-11-01 00:00:00

abstract：BACKGROUND:There is increasing interest in the use of propofol, an ultrashort-acting hypnotic agent, for sedation during endoscopic examinations. A protocol was developed for administration of propofol, combined with small doses of midazolam and meperidine, for endoscopic sedation under the direction of a gastroenterol...

journal_title：Gastrointestinal endoscopy

authors： Cohen LB,Dubovsky AN,Aisenberg J,Miller KM

更新日期：2003-11-01 00:00:00

abstract：BACKGROUND:The treatment of patients with bile duct stones and acute suppurative cholangitis is emergent biliary decompression either by endoscopic sphincterotomy, nasobiliary drainage, or stent insertion. The aim of this retrospective study was to determine whether endoscopic sphincterotomy, in addition to an internal...

journal_title：Gastrointestinal endoscopy

authors： Hui CK,Lai KC,Yuen MF,Ng M,Chan CK,Hu W,Wong WM,Lai CL,Wong BC

更新日期：2003-10-01 00:00:00

abstract：BACKGROUND:Forming anastomoses between two hollow organs at flexible endoscopy might reduce the need for surgery for obstructing malignancy. Current methods require access to both lumens. The aim of this work was to develop methods of forming an anastomosis at flexible endoscopy, such as a gastrojejunostomy or cholecys...

journal_title：Gastrointestinal endoscopy

authors： Fritscher-Ravens A,Mosse CA,Mukherjee D,Mills T,Park PO,Swain CP

更新日期：2003-10-01 00:00:00

abstract：BACKGROUND:Acute GI bleeding is a life-threatening complication of warfarin therapy. Acute GI bleeding in patients with an international normalized ratio of 4.0 or greater (supratherapeutic) is often attributed to trivial mucosal lesions. The aim of the study was to determine the frequency of potentially significant le...

journal_title：Gastrointestinal endoscopy

authors： Rubin TA,Murdoch M,Nelson DB

更新日期：2003-09-01 00:00:00

abstract：BACKGROUND:The use of disposable biopsy forceps seems to be effective and safer than reusable biopsy forceps with respect to the risk of infection transmission. The results of cost analysis studies comparing reusable versus disposable biopsy forceps are conflicting. This study compared the cost of reusable versus dispo...

journal_title：Gastrointestinal endoscopy

authors： Bourguignon C,Destrumelle AS,Koch S,Grumblat A,Carayon P,Chopard C,Woronoff-Lemsi MC

更新日期：2003-08-01 00:00:00

abstract：BACKGROUND:Palliation of patients with malignant hilar stenoses, especially advanced lesions, by stent insertion poses particular difficulties. This study assessed the efficacy of endoscopically inserted unilateral metallic stents for complex malignant hilar obstruction. METHODS:A prospective, uncontrolled, single-cen...

journal_title：Gastrointestinal endoscopy

authors： De Palma GD,Pezzullo A,Rega M,Persico M,Patrone F,Mastantuono L,Persico G

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND:Bile duct dilation in patients being treated by chronic narcotic substitution with methadone has been described but has not been systematically evaluated with ERCP. Retrograde cholangiographic findings in 6 patients taking methadone who were referred for evaluation of a dilated bile duct are described. METH...

journal_title：Gastrointestinal endoscopy

authors： Firoozi B,Choung R,Diehl DL

更新日期：2003-07-01 00:00:00

abstract：BACKGROUND:Patients undergoing EUS usually receive intravenously administered sedative medication. A double-blind, prospective, randomized trial was conducted to compare midazolam with a placebo for EUS of the esophagus and stomach and to assess patient tolerance and endoscopic feasibility. METHODS:A total of 111 pati...

journal_title：Gastrointestinal endoscopy

authors： Bonta PI,Kok MF,Bergman JJ,Van den Brink GR,Lemkes JS,Tytgat GN,Fockens P

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND:EUS-FNA can be used to accurately diagnose and stage GI and pulmonary neoplasms. This study evaluated the performance characteristics of a new compact linear EUS system during EUS-FNA. METHODS:A total of 37 patients enrolled in this prospective pilot study underwent clinically indicated EUS-FNA and/or celia...

journal_title：Gastrointestinal endoscopy

authors： Shamoun DK,Chak A,Levy MJ,Pfau P,Jondal ML,Wiersema MJ

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND:Stents have been placed through malignant pancreatic strictures, mainly to alleviate pain of presumed obstructive origin. Self-expanding metallic stents have major advantages over plastic stents when used for treatment of malignant biliary strictures. However, there are few reports of their use in patients w...

journal_title：Gastrointestinal endoscopy

authors： Keeley SP,Freeman ML

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:Secretin, a 27 amino acid polypeptide released in response to duodenal luminal acidification, stimulates secretion of water and bicarbonate from pancreatic ductal cells. To date the only secretin available for clinical use has been a biologically derived compound extracted from porcine duodenums. Although us...

journal_title：Gastrointestinal endoscopy

authors： Devereaux BM,Fein S,Purich E,Trout JR,Lehman GA,Fogel EL,Phillips S,Etemad R,Jowell P,Toskes PP,Sherman S

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:Despite advances in endoscopic treatment methods for upper GI hemorrhage, hemostasis is often difficult to achieve, particularly when the endoscopic view at the site of hemorrhage is poor because of the presence of mucus and blood. The investigators developed an end hood that facilitates endoscopic hemostati...

journal_title：Gastrointestinal endoscopy

authors： Kume K,Yoshikawa I,Otsuki M

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:Methylene blue has been used to selectively stain areas of specialized intestinal metaplasia in Barrett's esophagus. The sensitivity, specificity, and negative and positive predictive values for the detection of specialized intestinal metaplasia by methylene blue chromoendoscopy were determined in patients w...

journal_title：Gastrointestinal endoscopy

authors： Breyer HP,Silva De Barros SG,Maguilnik I,Edelweiss MI

更新日期：2003-04-01 00:00:00

abstract：BACKGROUND:Although endoscopic hemoclip therapy is widely used in the treatment of GI bleeding, there are few prospective trials that assess its efficacy. This study evaluated the efficacy and safety of hemoclip placement and distilled water injection for the treatment of high-risk bleeding ulcers. METHODS:Seventy-nin...

journal_title：Gastrointestinal endoscopy

authors： Chou YC,Hsu PI,Lai KH,Lo CC,Chan HH,Lin CP,Chen WC,Shie CB,Wang EM,Chou NH,Chen W,Lo GH

更新日期：2003-03-01 00:00:00

abstract：BACKGROUND:Thermal therapy is the cornerstone of endoscopic treatment of bleeding mucosal lesions of the GI tract. However, there is a 20% failure rate and contact devices may be cumbersome in the treatment of large bleeding areas. A pilot study was conducted to evaluate the safety and efficacy of endoscopic cryotherap...

journal_title：Gastrointestinal endoscopy

authors： Kantsevoy SV,Cruz-Correa MR,Vaughn CA,Jagannath SB,Pasricha PJ,Kalloo AN

更新日期：2003-03-01 00:00:00

abstract：BACKGROUND:The systematic use of metal stents to treat biliary obstruction is restricted by high cost compared with plastic stents. The aims of this study were to compare cost and efficacy of plastic stents and metal stents in the treatment of patients with malignant common bile duct strictures and to define factors th...

journal_title：Gastrointestinal endoscopy

authors： Kaassis M,Boyer J,Dumas R,Ponchon T,Coumaros D,Delcenserie R,Canard JM,Fritsch J,Rey JF,Burtin P

更新日期：2003-02-01 00:00:00

abstract：BACKGROUND:Discrimination between neoplastic and non-neoplastic colorectal polyps is essential for determining appropriate treatment. The mucosal crypt pattern of polyps can be observed with a nonmagnifying colonoscope; however, mucosal crypt patterns are better seen by magnifying colonoscopy, which can also be a nonin...

journal_title：Gastrointestinal endoscopy

authors： Konishi K,Kaneko K,Kurahashi T,Yamamoto T,Kushima M,Kanda A,Tajiri H,Mitamura K

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND:Sedation and analgesia are routinely used to improve patient tolerance for GI endoscopy. Currently, assessment of postprocedure recovery uses cardiovascular and respiratory parameters but not psychomotor function. The two aims of this study were to determine degree of psychomotor recovery after conscious sed...

journal_title：Gastrointestinal endoscopy

authors： Willey J,Vargo JJ,Connor JT,Dumot JA,Conwell DL,Zuccaro G

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND:The aims of this study were to determine the rate of false-positive diagnosis with EUS-guided fine-needle aspiration and to identify factors contributing to this type of error. METHODS:The records of 577 patients undergoing EUS-guided fine-needle aspiration were reviewed and a subset of 188 patients with ma...

journal_title：Gastrointestinal endoscopy

authors： Schwartz DA,Unni KK,Levy MJ,Clain JE,Wiersema MJ

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND:The aim of therapy for advanced esophageal cancer is relief of dysphagia with minimal treatment-related morbidity. This study assessed the efficacy of endoscopic intratumoral injection of cisplatin/epinephrine gel to relieve obstruction and improve swallowing. The gel is designed to minimize diffusion of act...

journal_title：Gastrointestinal endoscopy

authors： Harbord M,Dawes RF,Barr H,Giovannini M,Viens P,Eysselein V,Mishra L,Orenberg EK,Bown SG

更新日期：2002-11-01 00:00:00

abstract：BACKGROUND:Endoscopic mucosal resection is an established treatment option for early stage gastric cancer. However, several problems with endoscopic mucosal resection remain to be solved, such as appropriate treatment for recurrence and incomplete tumor resection. The outcome for patients undergoing endoscopic aspirati...

journal_title：Gastrointestinal endoscopy

authors： Tanabe S,Koizumi W,Mitomi H,Nakai H,Murakami S,Nagaba S,Kida M,Oida M,Saigenji K

更新日期：2002-11-01 00:00:00

abstract：BACKGROUND:EUS determination of lymph nodal spread of intestinal cancer based on imaging alone is problematic. A noninvasive, reliable means of determining tumor spread to lymph nodes is desirable. This study investigated the feasibility of a computer-assisted evaluation of lymph nodes detected by EUS in patients with ...

journal_title：Gastrointestinal endoscopy

authors： Loren DE,Seghal CM,Ginsberg GG,Kochman ML

更新日期：2002-11-01 00:00:00

abstract：BACKGROUND:Unsedated transnasal upper endoscopy has a diagnostic yield comparable with that of sedated conventional upper endoscopy. The ability of transnasal upper endoscopy to detect Barrett's metaplasia or dysplastic change has not been systematically evaluated. The aim of this study was to assess the feasibility of...

journal_title：Gastrointestinal endoscopy

authors： Saeian K,Staff DM,Vasilopoulos S,Townsend WF,Almagro UA,Komorowski RA,Choi H,Shaker R

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND:Colonoscopy has an important role in the diagnosis of ulcerative colitis. However, colonoscopic findings are inadequate for the prediction of relapse without histologic examination. In this study, the role of magnifying colonoscopy in ulcerative colitis was evaluated. METHODS:One hundred sixteen magnifying ...

journal_title：Gastrointestinal endoscopy

authors： Fujiya M,Saitoh Y,Nomura M,Maemoto A,Fujiya K,Watari J,Ashida T,Ayabe T,Obara T,Kohgo Y

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND:Counting the number of procedures performed provides at best a crude measure of technical competence in colonoscopy. The aim of this study was to develop and validate a qualitative and a quantitative score for measuring technical competency in colonoscopy using videotape evaluation. METHODS:Eighteen endosco...

journal_title：Gastrointestinal endoscopy

authors： Shah SG,Thomas-Gibson S,Brooker JC,Suzuki N,Williams CB,Thapar C,Saunders BP

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND:Acute appendicitis is one of the most common causes of acute abdomen. Despite recent advances in radiologic imaging, the diagnosis of acute appendicitis may be difficult on occasion. The aims of this study were to describe the colonoscopic features of appendicitis and to determine whether colonoscopy can be ...

journal_title：Gastrointestinal endoscopy

authors： Chang HS,Yang SK,Myung SJ,Jung HY,Hong WS,Kim JH,Min YI,Ha HK,Kim JC,Yu CS,Kim HC,Kim JS

更新日期：2002-09-01 00:00:00

abstract：BACKGROUND:Most breaches of endoscope disinfection result from inadequate manual cleaning or improper use of disinfectants. This is a description of how a quality assurance program identified rinse water as a source of bacterial contamination and how it facilitated the introduction of a novel means of delivering rinse ...

journal_title：Gastrointestinal endoscopy

authors： Pang J,Perry P,Ross A,Forbes GM

更新日期：2002-09-01 00:00:00

abstract：BACKGROUND:Existing EUS catheter probes have limited depth of penetration and lack color flow and Doppler capabilities. This study prospectively assessed the feasibility and safety of using a phased vector array US catheter in the human GI tract. METHODS:Eleven patients underwent EUS with a steerable 9F phased vector ...

journal_title：Gastrointestinal endoscopy

authors： Shamoun DK,Norton ID,Levy MJ,Vazquez-Sequeiros E,Wiersema MJ

更新日期：2002-09-01 00:00:00

abstract：BACKGROUND:Needle aspiration of the pancreas is performed to differentiate pancreatic malignancy, focal chronic pancreatitis, and metastasis to the pancreas. Biopsies may be directed by using EUS, CT, US, or surgery. This study retrospectively compared the accuracy of EUS-guided, CT/US-guided, and surgical tissue sampl...

journal_title：Gastrointestinal endoscopy

authors： Mallery JS,Centeno BA,Hahn PF,Chang Y,Warshaw AL,Brugge WR

更新日期：2002-08-01 00:00:00

abstract：BACKGROUND:The aim of this study was to identify predictors of outcome after pancreatic duct stent placement for duct disruption. METHODS:Patients were identified from endoscopy databases. Disruption was defined by extravasation of contrast from the pancreatic duct during endoscopic retrograde pancreatography. Data co...

journal_title：Gastrointestinal endoscopy

authors： Telford JJ,Farrell JJ,Saltzman JR,Shields SJ,Banks PA,Lichtenstein DR,Johannes RS,Kelsey PB,Carr-Locke DL

更新日期：2002-07-01 00:00:00

abstract：BACKGROUND:Bleeding from gastric varices larger than 2 cm in diameter represents a major limitation for endoscopic hemostasis. METHODS:Endoscopic ligation of gastric varices was performed with detachable snares and elastic bands in 41 patients who had recent bleeding from gastric varices larger than 2 cm in diameter. ...

journal_title：Gastrointestinal endoscopy

authors： Lee MS,Cho JY,Cheon YK,Ryu CB,Moon JH,Cho YD,Kim JO,Kim YS,Lee JS,Shim CS

更新日期：2002-07-01 00:00:00

abstract：BACKGROUND:This study was designed to demonstrate the efficacy and safety of a novel endoscopic full-thickness plication device for the treatment of GERD. METHODS:Gastric pressures and reflux from the gastroesophageal junction were measured in 20 excised pig stomachs before and after full-thickness plication within 1 ...

journal_title：Gastrointestinal endoscopy

authors： Chuttani R,Kozarek R,Critchlow J,Lo S,Pleskow D,Brandwein S,Lembo T

更新日期：2002-07-01 00:00:00