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| 1 | The timing of bowel preparation before colonoscopy determines the quality of cleansing,and is a significant factor contributing to the detection of flat lesions:A randomized study显示文摘AIM: To compare the cleansing quality of polyethylene glycol electrolyte solution and sodium phosphate with different schedules of administration, and to evaluate whether the timing of the administration of bowel preparation affects the detection of polyps. METHODS: One hundred and seventy-seven consecutive outpatients scheduled for colonoscopy were randomized in one of four groups to receive polyethylene glycol electrolyte solution or oral sodium phosphate with two different timing schedules. Quality of cleansing, polyp detection, and tolerance were evaluated. RESULTS: Patients receiving polyethylene glycol or sodium phosphate on the same day as the colonoscopy, obtained good to excellent global cleansing scores more frequently than patients who received polyethylene glycol or sodium phosphate on the day prior to the procedure (P < 0.001). Flat lesions, but not flat adenomas, were more frequent in patients prepared on the same day (P = 0.02). CONCLUSION: The quality of colonic cleansing and the detection of flat lesions are significantly improved when the preparation is taken on the day of the colonoscopy. | Adolfo Parra-Blanco David Nicolás-Pérez Antonio Gimeno-García Begoa Grosso Alejandro Jiménez Juan Ortega Enrique Quintero | 2006 | World Journal of Gastroenterology2006，12，38： | 19 |
| 2 | Validation of Fujinon intelligent chromoendoscopy with high definition endoscopes in colonoscopy显示文摘AIM:To validate high definition endoscopes with Fujinon intelligent chromoendoscopy(FICE) in colonoscopy.METHODS:The image quality of normal white light endoscopy(WLE),that of the 10 available FICE filters and that of a gold standard(0.2% indigo carmine dye) were compared.RESULTS:FICE-filter 4 [red,green,and blue(RGB) wavelengths of 520,500,and 405 nm,respectively] provided the best images for evaluating the vascular pattern compared to white light.The mucosal surface was best assessed using filter 4.However,the views obtained were not rated significantly better than those observed with white light.The 'gold standard',indigo carmine(IC) dye,was found to be superior to both white light and filter 4.Filter 6(RGB wavelengths of 580,520,and 460 nm,respectively) allowed for exploration of the IC-stained mucosa.When assessing mucosal polyps,both FICE with magnification,and magnification following dye spraying were superior to the same techniques without magnification and to white light imaging.In the presence of suboptimal bowel preparation,observation with the FICE mode was possible,and endoscopists considered it to be superior to observation with white light.CONCLUSION:FICE-filter 4 with magnification improves the image quality of the colonic vascular patterns obtained with WLE. | Adolfo Parra-Blanco Alejandro Jiménez Bjrn Rembacken Nicolás González David Nicolás-Pérez Antonio Z Gimeno-García Marta Carrillo-Palau Takahisa Matsuda Enrique Quintero | 2009 | World Journal of Gastroenterology2009，15，42： | 12 |
| 3 | Attenuation of dextran sodium sulphate induced colitis in matrix metalloproteinase-9 deficient mice显示文摘AIM: To study whether matrix metalloproteinase-9 (MMP-9) is a key factor in epithelial damage in the dextran sodium sulphate (DSS) model of colitis in mice.METHODS: MMP-9-deficient and wild-type (wt) mice were given 5% DSS in drinking water for 5 d followed by recovery up to 7 d. On d 5 and 12 after induction of colitis, gelatinases, MMP-2 and MMP-9, were measured in homogenates of colonic tissue by zymography and Western blot, whereas tissue inhibitor of metalloproteinases (TIMPs) were measured by reverse zymography. The gelatinolytic activity was also determined in supernatants of polymorphonuclear leukocytes (PMN) isolated from mice blood. Moreover, intestinal epithelial cells were stimulated with TNF-α to study whether these cells were able to produce MMPs. Finally, colonic mucosal lesions were measured by microscopic examination. RESULTS: On d 5 of colitis, the activity of MMP-9 was increased in homogenates of colonic tissues (0.24 ± 0.1 vs 21.3 ± 6.4, P < 0.05) and PMN from peripheral blood in wt (0.5 ± 0.1 vs 10.4 ± 0.7, P < 0.05), but not in MMP-9-deficient animals. The MMP-9 activity was also up-regulated by TNF-α in epithelial intestinal cells (2.5 ± 0.5 vs 14.7 ± 3.0, P < 0.05). Although colitis also led to increase of TIMP-1 activity, the MMP-9/TIMP-1 balance remained elevated. Finally, in the MMP-9-deficient colitic mice both the extent and severity of intestinal epithelialinjury were significantly attenuated when compared with wt mice. CONCLUSION: We conclude that DSS induced colitis is markedly attenuated in animals lacking MMP-9. This suggests that intestinal injury induced by DSS is modu-lated by MMP-9 and that inhibition of this gelatinase may reduce inflammation. | Alfredo Santana Carlos Medina Maria Cristina Paz-Cabrera Federico Díaz-Gonzalez Esther Farré Antonio Salas Marek W Radomski Enrique Quintero | 2006 | World Journal of Gastroenterology2006，12，40： | 9 |
| 4 | Endoscopic submucosal dissection training with pig models in a Western country显示文摘AIM:To test a strategy for endoscopic submucosal dissection(ESD) training in animal models designed to overcome the initial learning curve.METHODS:ESD was attempted in ex vivo and in vivo pig models.Thirty ESD procedures were attempted in the esophagus(n=9) or the stomach(n=21).The ex vivo model was used until initial competence was achieved.In the in vivo model,several ESD procedures were performed in up to 3 sessions.The following variables were analyzed:specimen size,complete and en bloc resection rate,time for circumferential incision,time for submucosal dissection,total ESD duration,and complications.RESULTS:Complete resection was achieved in 28 cases(en bloc 27);2 could not be completed(one perforation,one technical diff iculty).The mean ± SD time for circumferential incision was 36.2±16.8 min(range:8-87 min),and the mean±SD time for submucosal dissection was 45.1±35.7 min(range:9-196 min).The mean±SD size of the resected specimens was 45.2±17.8 mm.The mean±SD total resection time was signif icantly increased for the gastric cases performed in the f irst half of the study(n=13) than in the second half(n=8)(98.9±62.4 min vs 61.7±17.6 min,P=0.04),although the specimen size did not differ.CONCLUSION:Training in animal models could help endoscopists overcome the learning curve before starting ESD in humans. | Adolfo Parra-Blanco María Rosa Arnau David Nicolás-Pérez Antonio Z Gimeno-García Nicolás González Juan A Díaz-Acosta Alejandro Jiménez Enrique Quintero | 2010 | World Journal of Gastroenterology2010，16，23： | 9 |
| 5 | Post-polypectomy colonoscopy surveillance: European Society of Gastrointestinal Endoscopy (ESGE) Guideline显示文摘 | Cesare Hassan Enrique Quintero Jean-Marc Dumonceau Jaroslaw Regula Catarina Brand?o Stanislas Chaussade Evelien Dekker Mario Dinis-Ribeiro Monika Ferlitsch Antonio Gimeno-García Yark Hazewinkel Rodrigo Jover Mette Kalager Magnus Loberg Christian Pox Bjorn | 2013 | Endoscopy2013，，10： | 3 |
| 6 | One-day versus two-day cleansing for colon capsule endoscopy: a prospective randomized pilot study显示文摘 | Laura Ramos Onofre Alarcón Zaida Adrian Antonio Z. Gimeno-García David Nicolás-Pérez Alejandro Jiménez-Sosa Enrique Quintero | 2013 | Gastroenterologia y Hepatologia2013，，： | 2 |
| 7 | Diagnostic accuracy of immunochemical versus guaiac faecal occult blood tests for colorectal cancer screening显示文摘 | Adolfo Parra-Blanco Antonio Z. Gimeno-García Enrique Quintero David Nicolás Santiago G. Moreno Alejandro Jiménez Manuel Hernández-Guerra Marta Carrillo-Palau Yoshinobu Eishi Julio López-Bastida | 2010 | Journal of Gastroenterology2010，，7： | 2 |
| 8 | Gastric endoscopic submucosal dissection assisted by a new traction method: the clip-band technique. A feasibility study in a porcine model (with video)显示文摘 | Adolfo Parra-Blanco David Nicolas Maria R. Arnau Antonio Z. Gimeno-Garcia Luis Rodrigo Enrique Quintero | 2011 | Gastrointestinal Endoscopy2011，，5： | 1 |
| 9 | Primary Prophylaxis of Spontaneous Bacterial Peritonitis Delays Hepatorenal Syndrome and Improves Survival in Cirrhosis显示文摘 | Javier Fernández Miquel Navasa Ramón Planas Silvia Montoliu David Monfort German Soriano Carmen Vila Alberto Pardo Enrique Quintero Victor Vargas Jose Such Pere Ginès Vicente Arroyo | 2007 | Gastroenterology2007，，3： | 1 |
| 10 | Post-polypectomy complications: high risk in the cecum显示文摘 | Antonio Gimeno-García Enrique Quintero | 2014 | Endoscopy2014，，02： | 1 |
| 11 | Gastric endoscopic submucosal dissection assisted by a new traction method: the clip-band technique. A feasibility study in a porcine model (with video)显示文摘 | Adolfo Parra-Blanco David Nicolas Maria R. Arnau Antonio Z. Gimeno-Garcia Luis Rodrigo Enrique Quintero | 2011 | Gastrointestinal Endoscopy2011，，5： | 1 |
| 12 | Factors Influencing Colorectal Cancer Screening Participation显示文摘 | Antonio Z. Gimeno García Enrique Quintero | 2011 | Gastroenterology Research and Practice2011，，： | 1 |
| 13 | ?Test químico o test inmunológico para la detección de sangre oculta en heces en el cribado del cáncer colorrectal?显示文摘 | Enrique Quintero | 2009 | Gastroenterologia y Hepatologia2009，，8： | 1 |
| 14 | Effects of Colon Capsule Endoscopy on Medical Decision-Making in Patients With Incomplete Colonoscopies显示文摘 | Onofre Alarcón-Fernández Laura Ramos-López Zaida Adrián de Ganzo Antonio Zebenzuy Gimeno-García David Nicolás-Pérez Alejandro Jiménez Enrique Quintero | 2013 | Clinical Gastroenterology and Hepatology2013，，： | 1 |
| 15 | Progress and Challenges in Colorectal Cancer Screening显示文摘 | Enrique Quintero Cesare Hassan Carlo Senore Yutaka Saito Haruhiro Inoue | 2012 | Gastroenterology Research and Practice2012，，： | 1 |
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