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| 1 | Biliary brush cytology:Factors associated with positive yields on biliary brush cytology显示文摘AIM: To evaluate the yield of brushing biliary strictures and the factors associated with a positive result in biliary strictures. METHODS: Data on all consecutive patients (01/02 -10/05) who were identified to have a biliary stricture and who underwent biliary brush cytology were collected. The yield of positive biliary brush cytology was evaluated and compared to results with the gold standard for diagnosis (defi ned as either defi nitive surgical histology or clinical course). Additionally,associated factors of positive results including stricture location,gender,age,mass size,length of stricture,and dilatation prior to brushing cytology were assessed. RESULTS: From 199 patients who had brushing cytology samples (10 patients were excluded due to lack of gold standard diagnosis),77 patients had positive brushing cytology (yield 41%). Variables associated with positive cytology brushing on initial endoscopic retrograde cholangiography were age 1.02 (1.00-1.05),mass size > 1 cm 2.22 (1.01-4.89) and length of stricture > 1 cm 3.49 (1.18-10.2). The sensitivity of biliary brushing was 61%,its specifi city 98%,the positive predictive value reached 99%,and the negative predictive value was 57%. CONCLUSION: Our results revealed a 41% positive yield from brushing cytology. The sensitivity of biliary brushing cytology in our center was 61% and the specif icity was 98%. Predictors of positive yield include older age,mass size > 1 cm,and stricture length of > 1 cm. | Nasim Mahmoudi Robert Enns Jack Amar Jaber AlAli Eric Lam Jennifer Telford | 2008 | World Journal of Gastroenterology2008，14，4： | 10 |
| 2 | Does training and experience influence the accuracy of computed tomography colonography interpretation?显示文摘AIM: To evaluate the effect of experience on the accuracy rate of computed tomography colonography(CTC) interpretation and patient preferences/satisfaction for CTC and colonoscopy. METHODS: A prospective, non-randomized, observational study performed in a single, tertiary care center involving 90 adults who underwent CTC followed by colonoscopy on the same day. CTC was interpreted by an abdominal imaging radiologist and then a colonoscopy was performed utilizing segmental un-blinding and re-examination as required. A radiology resident and two gastroenterology(GI) fellows blinded to the results also interpreted the CTC datasets independently. Accuracy rates and trend changes were determined for each reader to assess for a learning curve. RESULTS: Among 90 patients(57% male) aged 55 ± 8.9 years, 39 polyps ≥ 6 mm were detected in 20 patients and 13 polyps > 9 mm in 10 patients. Accuracy rates were 88.9%(≥ 6 mm) and 93.3%(> 9 mm) for the GI Radiologist, 89.8%(≥ 6 mm) and 98.9%(> 9 mm) for the Radiology Resident and 86.7% and 95.6%(≥ 6 mm) and 87.8% and 94.4%(> 9 mm) for each of the GI fellows respectively. The reader's accuracy rate did not change significantly with the percentage change rate ranging between-1.7 to 0.9(P = 0.12 to 0.56). Patients considered colonoscopy more satisfactory than CTC(30% vs 4%, P < 0.0001), they felt less anxiety during colonoscopy(36% vs 7%, P < 0.0001), they experienced less pain or discomfort during colonoscopy compared to CTC(69% vs 4%, P < 0.0001) and colonoscopy was preferred by 77% of the participants as a repeat screening test for the future. CONCLUSION: No statistically significant learning curve was identified in CTC interpretation suggesting that further study is required to identify the necessary training to adequately interpret CTC scans. | Greg Rosenfeld Yi Tzu Nancy Fu Brendan Quiney Hong Qian Darin Krygier Jacquie Brown Patrick Vos Pari Tiwari Jennifer Telford Brian Bressler Robert Enns | 2014 | World Journal of Gastroenterology2014，20，6： | 2 |
| 3 | A randomized trial comparing uncovered and partially covered self-expandable metal stents in the palliation of distal malignant biliary obstruction显示文摘 | Jennifer J. Telford David L. Carr-Locke Todd H. Baron John M. Poneros Brenna C. Bounds Peter B. Kelsey Robert H. Schapiro Christopher S. Huang David R. Lichtenstein Brian C. Jacobson John R. Saltzman Christopher C. Thompson David G. Forcione Christopher J | 2010 | Gastrointestinal Endoscopy2010，，： | 2 |
| 4 | Palliation of patients with malignant gastric outlet obstruction with the enteral Wallstent: outcomes from a multicenter study显示文摘 | Jennifer J. Telford David L. Carr-Locke Todd H. Baron Andrea Tringali Willis G. Parsons Armando Gabbrielli Guido Costamagna | 2004 | Gastrointestinal Endoscopy2004，，6： | 1 |
| 5 | Prospective analysis of fluoroscopy duration during ERCP: critical determinants显示文摘 | Edward Kim Mark McLoughlin Eric C. Lam Jack Amar Michael Byrne Jennifer Telford Rob Enns | 2010 | Gastrointestinal Endoscopy2010，，1： | 1 |
| 6 | Endoscopic Management of Benign Biliary Strictures显示文摘 | Calvin H.Y. Chan Jennifer J. Telford | 2012 | Gastrointestinal Endoscopy Clinics of North Americ2012，，3： | 1 |
| 7 | A randomized trial comparing uncovered and partially covered self-expandable metal stents in the palliation of distal malignant biliary obstruction显示文摘 | Jennifer J. Telford David L. Carr-Locke Todd H. Baron John M. Poneros Brenna C. Bounds Peter B. Kelsey Robert H. Schapiro Christopher S. Huang David R. Lichtenstein Brian C. Jacobson John R. Saltzman Christopher C. Thompson David G. Forcione Christopher J | 2010 | Gastrointestinal Endoscopy2010，，5： | 1 |
| 8 | Training guideline for use of propofol in gastrointestinal endoscopy显示文摘 | Robynne Chutkan Jonathan Cohen Mahmood Abedi Marcia Cruz-Correa Jason Dominitz Keith Gersin David Greenwald Sergey Kantsevoy Kris Kowdley Michelle Nguyen Roy Soetikno Jennifer Telford John Vargo | 2004 | Gastrointestinal Endoscopy2004，，2： | 1 |
| 9 | Prospective analysis of fluoroscopy duration during ERCP: critical determinants显示文摘 | Edward Kim Mark McLoughlin Eric C. Lam Jack Amar Michael Byrne Jennifer Telford Rob Enns | 2010 | Gastrointestinal Endoscopy2010，，1： | 1 |
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