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| 1 | Improved bowel preparation increases polyp detection and unmasks significant polyp miss rate显示文摘AIM: To retrospectively compare previous-day vs splitdose preparation in terms of bowel cleanliness and polyp detection in patients referred for polypectomy. METHODS: Fifty patients underwent two colonoscopies: one diagnostic in a private clinic and a second for polypectomy in a University Hospital. The latter procedures were performed within 12 wk of the index ones. Examinations were accomplished by two experienced endoscopists, different in each facility. Twenty-seven patients underwent screening/surveillance colonoscopy, while the rest were symptomatic. Previous day bowel preparation was utilized initially and splitdose for polypectomy. Colon cleansing was evaluated using the Aronchick scale. We measured the number of detected polyps, and the polyp miss rates per-polyp.RESULTS: Excellent/good preparation was reported in 38 cases with previous-day preparation(76%) vs 46 with split-dose(92%), respectively(P = 0.03). One hundred and twenty-six polyps were detected initially and 169 subsequently(P < 0.0001); 88 vs 126 polyps were diminutive(P < 0.0001), 25 vs 29 small(P = 0.048) and 13 vs 14 equal or larger than 10 mm. The miss rates for total, diminutive, small and large polyps were 25.4%, 30.1%, 13.7% and 6.6%, respectively. Multivariate analysis revealed that split-dose preparation was significantly associated(OR, P) with increased number of polyps detected overall(0.869, P < 0.001), in the right(0.418, P = 0.008) and in the left colon(0.452, P = 0.02). CONCLUSION: Split-dose preparation improved colon cleansing, enhanced polyp detection and unmasked significant polyp miss rates. | Ioannis S Papanikolaou Athanasios D Sioulas Nektarios Magdalinos Iosif Beintaris Lazaros-Dimitrios Lazaridis Dimitrios Polymeros Chrysoula Malli George D Dimitriadis Konstantinos Triantafyllou | 2015 | World Journal of Clinical Cases2015，3，10： | 4 |
| 2 | Levels and Trend of Suspended Particles around Large Lignite Power Stations显示文摘 | Athanasios G. Triantafyllou | 2003 | Environmental Monitoring and Assessment2003，，1： | 1 |
| 3 | Direct anterior approach vs Hardinge in obese and nonobese osteoarthritic patients:A randomized controlled trial显示文摘BACKGROUND The increased prevalence of obesity has resulted in orthopedic surgeons being likely to face many patients with a high body mass index(BMI)who warrant total hip arthroplasties(THAs)over the coming years.Studies'findings considered the postoperative clinical,and functional outcomes in these patients are controversial,and selecting the most appropriate surgical approach remains debatable.AIM To compare pain-levels,functionality,and quality-of-life in obese and nonobese osteoarthritic patients who have undergone primary total hip arthroplasty through either direct-anterior-approach(DAA)or Hardinge-approach.METHODS One hundred and twenty participants(>50 years)were divided into four groups according to the surgical approach(DAA or Hardinge)and patients'BMI(nonobese<30 kg/m^(2)vs obese≥30 kg/m^(2)).Outcomes were measured preoperatively and postoperatively(6^(th)and 12^(th)week).Pain was measured with Face Pain Scale-Revised(FPS-R).Functionality was measured with Timed Up&Go(TUG)test and Modified Harris Hip Score-Greek version(MHHS-Gr).Quality-of-life was evaluated with the 12-item-International Hip Outcome Tool-Greek version(iHOT12-Gr)(Clinical Trial Identifier:ISRCTN15066737).RESULTS DAA vs Hardinge:(week 6)DAA-patients showed 12.2% less pain,more functionality(14.8% shorter TUG-performance time,21.5% higher MHHS-Gr),and 38.16% better quality-of-life(iHOT12-Gr)compared to Hardinge-patients(all P values<0.001).These differences were further increased on week 12(all P values≤0.05).DAA-obese vs Hardinge-obese:(week 6)DAA-obese patients had less pain,shorter TUG-performance time,better MHHS-Gr and iHOT12-Gr scores than Hardinge-obese(all P values<0.01).(Week 12)Only the TUG-performance time of DAA-obese was significantly shortened(22.57%,P<0.001).DAAnonobese vs DAA-obese:no statistically significant differences were observed comparing the 6th and 12th weeks'outcomes.CONCLUSION DAA-groups reported less pain,more functionality and better quality-of-life,compared to the Hardinge-groups.The DAA benefited obese and nonobese patients,similarly yet faster,suggesting that it should be the more preferred choice for obese patients,instead of Hardinge.However,more comparative studies with more extended follow-up periods are needed to confirm our results and better evaluate all patients'long-term outcomes. | George Macheras Sophia Stasi Michail Sarantis Athanasios Triantafyllou Dimitrios Tzefronis Stamatios A Papadakis | 2021 | World Journal of Orthopedics2021，12，11： | 1 |
| 4 | 屏蔽的 colorectal 癌症上的希腊医学院的学生的了解和态度显示文摘 AIM: To prospectively assess the knowledge and attitudes of medical students (MS), as tomorrow’s physicians, about colorectal cancer (CRC) and its screening modalities.METHODS: Three hundred fourth year MS of the University of Athens were enrolled in this survey. Their selection was random, based on student identification card number. All participants completed an anonymous written questionnaire over a 4 month period. The questionnaire was divided into 4 sections and included queries about CRC-related symptoms, screening with colonoscopy and MS awareness and attitudes in this field. Following collection and analysis of the data, the results are presented as percentages of answers for each separate question. RESULTS: Two hundred and sixty-five students an-swered the questionnaire over a 4 mo period. Interestingly, only 69% of the study population considered CRC to be a high-risk condition for public health. However, the vast majority of participants identified CRC-related symptoms and acknowledged its screening to be of great value in reducing CRC incidence and mortality. A very small proportion (38%) had received information material regarding CRC screening (either during their medical training or as a part of information provided to the general public) and only 60% of the participants declared willingness to receive further information. Regarding colonoscopy, 85% would prefer an alternative to colonoscopy methods for CRC screening. Moreover, 53% considered it to be a painful method and 68% would appreciate more information about the examination.CONCLUSION: MS in Greece need to be better informed about CRC screening and screening colonoscopy. | Ioannis S Papanikolaou Athanasios D Sioulas Stylianos Kalimeris Persephone Papatheodosiou Ioannis Karabinis Olga Agelopoulou Iosif Beintaris Dimitrios Polymeros George Dimitriadis Konstantinos Triantafyllou | 2012 | World Journal of Gastrointestinal Endoscopy2012，4，11： | 1 |
| 5 | Academic hospital staff compliance with a fecal immunochemical test-based colorectal cancer screening program显示文摘AIM: To measure the compliance of an Academic Hospital staff with a colorectal cancer(CRC) screening program using fecal immunochemical test(FIT).METHODS: All employees of 'Attikon' University General Hospital aged over 50 years were thoroughly informed by a team of physicians and medical students about the study aims and they were invited to undergo CRC screening using two rounds of FIT(DyoniFOB~ Combo H, DyonMed SA, Athens, Greece). The tests were provided for free and subjects tested positive were subsequently referred for colonoscopy. One year after completing the two rounds, participants were asked to be re-screened by means of the same test.RESULTS: Among our target population consisted of 211 employees, 59(27.9%) consented to participate, but only 41(19.4%) and 24(11.4%) completed the first and the second FIT round, respectively. Female gender was significantly associated with higher initial participation(P = 0.005) and test completion- first and second round-(P = 0.004 and P = 0.05) rates, respectively. Phy sician’s(13.5% vs 70.2%, P < 0.0001) participation and test completion rates(7.5% vs 57.6%, P < 0.0001 for the first and 2.3% vs 34%, P < 0.0001 for the second round) were significantly lower compared to those of the administrative/technical staff. Similarly, nurses participated(25.8% vs 70.2%, P = 0.0002) and completed the first test round(19.3% vs 57.6%, P = 0.004) in a significant lower rate than the administrative/technical staff. One test proved false positive. No participant repeated the test one year later.CONCLUSION: Despite the well-organized, guided and supervised provision of the service, the compliance of the Academic Hospital personnel with a FIT-based CRC screening program was suboptimal, especially among physicians. | Georgia Vlachonikolou Paraskevas Gkolfakis Athanasios D Sioulas Ioannis S Papanikolaou Anastasia Melissaratou Giannis-Aimant Moustafa Eleni Xanthopoulou Gerasimos Tsilimidos Ioanna Tsironi Paraskevas Filippidis Chrysoula Malli George D Dimitriadis Konstantinos Triantafyllou | 2016 | World Journal of Gastrointestinal Oncology2016，8，8： | 0 |
| 6 | Self-expandable metal stents for achalasia: Thinking out of the box!显示文摘Achalasia is a primary motor disorder of the esophagus diagnosed manometrically in the clinical setting of dysphagia to both solids and liquids. Currently established treatment options include pneumatic dilation, laparoscopic Heller myotomy, botulinum toxin injection performed endoscopically, oral agents that relax the lower esophageal sphincter and esophagectomy for refractory, end-stage disease. Despite their effectiveness, a significant proportion of patients eventually relapses and needs retreatment. In this setting, several new techniques are under investigation promising future enrichment of our therapeutic armamentarium for achalasic patients. Among them, peroral endoscopic myotomy and selfexpandable metal stents placed across the gastroesophageal junction represent the most encouraging modalities, as initial studies assessing their efficacy and safety indicate. This review highlights the role of selfexpandable metal stents in the management of patients with achalasia. Their possible position in the therapeutic algorithm of achalasia along with established and novel techniques is also assessed. Finally, the need for large prospective randomized trials is underlined in order to elucidate the numerous relevant issues. | Athanasios D Sioulas Chrysoula Malli George D Dimitriadis Konstantinos Triantafyllou | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，1： | 0 |
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