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| 1 | Risk factors for colonoscopic perforation: A population-based study of 80118 cases显示文摘AIM: To assess the incidence and risk factors associated with colonic perforation due to colonoscopy. METHODS: This was a retrospective cross-sectional study. Patients were retrospectively eligible for inclusion if they were 18 years and older and had an inpatient or outpatient colonoscopy procedure code in any facility within the Geisinger Health System during the period from January 1, 2002 to August 25, 2010. Data are presented as median and inter-quartile range, for continuous variables, and as frequency and percentage for categorical variables. Baseline comparisons across those with and without a perforation were made using the two-sample t -test and Pearson's χ2 test, as appropriate.RESULTS: A total of 50 perforations were diagnosed out of 80118 colonoscopies, which corresponded to an incidence of 0.06% (95%CI: 0.05-0.08) or a rate of 6.2 per 10000 colonoscopies. All possible risk factors associated with colonic perforation with a P -value < 0.1 were checked for inclusion in a multivariable logbinomial regression model predicting 7-d colonic perforation. The final model resulted in the following risk factors which were significantly associated with risk of colonic perforation: age, gender, body mass index, albumin level, intensive care unit (ICU) patients, inpatient setting, and abdominal pain and Crohn's disease as indications for colonoscopy. CONCLUSION: The cumulative 7 d incidence of colonic perforation in this cohort was 0.06%. Advanced age and female gender were significantly more likely to have perforation. Increasing albumin and BMI resulted in decreased risk of colonic perforation. Having a colonoscopy indication of abdominal pain or Crohn's disease resulted in a higher risk of colonic perforation. Colonoscopies performed in inpatients and particularly the ICU setting had substantially greater odds of perforation. Biopsy and polypectomy did not increase the risk of perforation and only three perforations occurred with screening colonoscopy. | Uzair Hamdani Raza Naeem Fyeza Haider Pardeep Bansal Michael Komar David L Diehl H Lester Kirchner | 2013 | World Journal of Gastroenterology2013，19，23： | 9 |
| 2 | Reaction of halogens with Loser-Ablated spectra of BXn(X=F,Cl,Br,I,n=1,2,3)in solid Argon显示文摘 | Parriz H Lester A | 1993 | J Phys Chem1993，97，9： | 2 |
| 3 | Human pharmaceuticals in wastewater treatment processes 显示文摘 | O A H Jones N Voulvoulis J N Lester | 2005 | Critical Reviews in Environmental Science and Technology2005，35，： | 1 |
| 4 | Polybrominated diphenyl ether (PBDE) flame retardants显示文摘 | Frank Rahman Katherine H Langford Mark D Scrimshaw John N Lester | 2001 | Science of the Total Environment2001，，1： | 1 |
| 5 | Initial public offering investor valuations: an examination of top management team prestige and environmental uncertainty 显示文摘 | Lester R H Certo S T Dalton C M Dalton D R Cannella A A | 2006 | Journal of Small Business Management2006，44，1： | 1 |
| 6 | Two Graph Searching Techniques for Boundary Finding in White Blood Cell Image显示文摘 | J M Lester H A Williams B A Weintraub | 1978 | Computers in Biology and Medicine1978，，8： | 1 |
| 7 | The Impact of Psychological Contract Fulfillment on the Performance of in-role and Organizational Citizenship Behaviors显示文摘 | Turnley W H Bolino M C Lester S W | 2003 | Journal of Management2003，29，： | 1 |
| 8 | Stewardship or agency? A social embeddedness reconciliation of conduct and performance in public family businesses显示文摘 | Le Breton-Miller I Miller D Lester R H | 2011 | Organization Science2011，22，3： | 1 |
| 9 | From generic restoration to specific restoration strategies显示文摘 | LESTER H F LION K L LIU C C | | 0，，2： | 1 |
| 10 | On the inside: A narrative review of mental health inpatient services 显示文摘 | Glasby J Lester H | 2005 | British Journal Of Social Work2005，35，6： | 1 |
| 11 | Crustal accretion in the Manila trench accretionary wedge atthe transition from subduction to mountain-building in Taiwan显示文摘 | LESTER R MCINTOSH K AVENDONK H V 2013 | 2013 | Earth Planet Sci Lett2013，375，： | 1 |
| 12 | A survey of hierarchicl non-linear medical image registration 显示文摘 | Lester H Arridge SR | 1999 | Pat-tern Recognition1999，32，： | 1 |
| 13 | A survey Of hierarchical non-linear medicalimag eregistration显示文摘 | Lester H Arridge SR | 1999 | Pat-tem Recognition1999，32，： | 1 |
| 14 | Aquatic environmental assessment of the top 25 English prescription pharmaceuticals显示文摘 | Jones O A H Voulvoulis N Lester J N | 2002 | Water Research2002，36，20： | 1 |
| 15 | Pregnancy and the cardiovascular system显示文摘 | ABBAS A E LESTER S J CONNLLY H | 2005 | Int J Cardiol2005，98，2： | 1 |
| 16 | Efficient online index maintenance for text retrieval systems 显示文摘 | Lester N Zobel J Williams H E | 2006 | Information Processing & Management2006，42，4： | 1 |
| 17 | A survey of hierarchical non-linear medical image registration显示文摘 | LESTER H ARRIDGE S R | 1999 | Pattern Recognition1999，32，1： | 1 |
| 18 | Flavan-3-ol biosynthesis The con- version of (+) dihydroquercetin and flavan-3,4 cis-diol (leuocyanidin) to (+) catechin by reductases extracted from cell suspension cultures of Douglas fir显示文摘 | Stafford H A Lester H | 1984 | Plant Physiology1984，76，： | 1 |
| 19 | Charac terisation of carbon fibre/epoxy resin composites using super- critical n-propanol显示文摘 | JIANG G PICKERING S J LESTER E H | 2009 | Composites Science and Technology2009，69，2： | 1 |
| 20 | The Impact of Psychological Contract Fulfillment on the Performance of In-role and Organizational Citizenship Behaviors显示文摘 | Turnley W H Bolino M C Lester S W | 2003 | Journal of Management2003，29，2： | 1 |
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