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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 | Beyond the intensive care nuit:a review of interventions aimed at anticipating and preventing inhospital cardiopulmonary arrest显示文摘 | Naeem N Montenegro H | | 0，，01： | 1 |
| 3 | Effect of W and Zr on structural, thermal and magnetic properties of A1CoCrCuFeNi high entropy alloy显示文摘 | N H Tariq M Naeem B A Hasan | 2013 | Journal of Alloys and Compounds2013，556，15： | 1 |
| 4 | Effect of plasma gas for spectrometric analysis of tin and zinc using low-pressure laser-induced plasma 显示文摘 | Naeem T M Matsuta H Wagatsuma K | 2003 | Spectrochimica Acta Part B2003，58，5： | 1 |
| 5 | Reproductive health in Mghanistan: results of a knowledge, attitudes and practices survey among Mghan women in Kabul显示文摘 | Van Egmond K Naeem AJ Verstraelen H | 2004 | Disasters2004，28，3： | 1 |
| 6 | Multiple independent emer- gences of type 2 vaccine-derived polioviruses during a large outbreak in northern Nigeria显示文摘 | Burns C C Shaw J Jorba J Bukbuk D Adu F Gumede N Pate M A Abanida E A Gasasira A Iber J Chen Q Vincent A Chenoweth P Henderson E Wannemuehler K Naeem A Umarni R N Nishimura Y Shimizu H Baba M Adeniji A Williams A J Kil- patrick D R Oberste M S Wassilak S G Tomori O Pallansch M A Kew O | 2013 | J Virol2013，87，9： | 1 |
| 7 | Induction of tetraploidy in Juncus effusus by Colchicine显示文摘 | Xu L Najeeb U Naeem M S Daud M K Cao J S Gong H J Shen W Q Zhou W J | 2010 | Biologia Plantarum2010，54，4： | 1 |
| 8 | Frequency analysis of functionally graded material cylindrical shells with various volume fraction laws显示文摘 | Arshad S H Naeem M N Sultana N | 2007 | Proc IMechE Part C: Journal of Mechanical Engineering Science2007，221，12： | 1 |
| 9 | Sequence-specific amplification polymorphisms ( SSAPs ) : a multi locus approach for analyzing transposon insertions 显示文摘 | Naeem H Syed Andrew J Flavell | 2006 | Nature Publishing Group2006，1，6： | 1 |
| 10 | Biodiversity and plant productivity in a model assemblage of plant species显示文摘 | NAEEM S HAKANSSON K LAWTON J H | 1996 | Oikos1996，76，2： | 1 |
| 11 | Heat stress and genotype affect the gluten in particles of the gluten in maeropolymer-gel fraction 显示文摘 | Don C Lookhart G Naeem H | 2005 | Journal of Cereal Science2005，42，： | 1 |
| 12 | Plant diversity increases resistance to invasion in the absence of covarying extrinsic factors显示文摘 | Naeem S Knops J M H Tilman D Howe K M Kennedy T Gale S | 2000 | Oikos2000，91，1： | 1 |
| 13 | Biodiversity as a barrier to ecological invasion显示文摘 | Kennedy T A Naeem S Howe K M Knops J M H Tilman D Reich P | 2002 | Nature2002，417，6889： | 1 |
| 14 | Purification and characterization of a novel b-D-galactosides-specific lectin from Clitoria ternatea显示文摘 | Naeem A Haque S Khan R H | 2007 | Protein J2007，26，6： | 1 |
| 15 | An optional dynamic threat evaluation and weapon scheduling technique 显示文摘 | Naeem H Masood A | 2010 | Knowledge-Based Sys- tems2010，23，4： | 1 |
| 16 | CO2 reforming of methane to produce syngas over 7-A1203-supported Ni-Srcatalysts显示文摘 | AL-FATESH A S NAEEM M A FAKEEHA A H | 2013 | Bulletin ofthe Chemical Society ofJapan2013，86，： | 1 |
| 17 | Evolutionary o- rigin of the segmental duplication encompassing the wheat Glu-B1 encoding the overexpressed Bx7 (Bx7) high molecu- lar weight glutenin subunit 显示文摘 | Ragupathy R Naeem H A Reimer E | 2007 | Theor Appl Genet2007，116，： | 1 |
| 18 | Hydropericardium outbreak in a pigeon flock显示文摘 | Naeem K Akram H S | 1995 | Vet Rec1995，，136： | 1 |
| 19 | Heat stress and genotype affect the glutenin particles of the glutenin macropolymer-gel fraction显示文摘 | DONA C LOOKHART G NAEEM H | 2005 | loumal of Cereal Science2005，42，1： | 1 |
| 20 | Characterization of a Partially Folded Intermediate of Papain Induced by Uorinated Alcohols at Low pH显示文摘 | Naeem A Khan K A Khan R H | 2004 | Archives of Bix''hemistry and Biophysics2004，432，1： | 1 |
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