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| 1 | Device-associated infection rates, mortality, length of stay and bacterial resistance in intensive care units in Ecuador: International Nosocomial Infection Control Consortium's findings显示文摘AIM To report the results of the International Nosocomial Infection Control Consortium(INICC) study conducted in Quito, Ecuador.METHODS A device-associated healthcare-acquired infection(DAHAI) prospective surveillance study conducted from October 2013 to January 2015 in 2 adult intensive care units(ICUs) from 2 hospitals using the United States Centers for Disease Control/National Healthcare Safety Network(CDC/NHSN) definitions and INICC methods. RESULTS We followed 776 ICU patients for 4818 bed-days. The central line-associated bloodstream infection(CLABSI) rate was 6.5 per 1000 central line(CL)-days, the ventilator-associated pneumonia(VAP) rate was 44.3 per 1000 mechanical ventilator(MV)-days, and the catheterassociated urinary tract infection(CAUTI) rate was 5.7 per 1000 urinary catheter(UC)-days. CLABSI and CAUTI rates in our ICUs were similar to INICC rates [4.9(CLABSI) and 5.3(CAUTI)] and higher than NHSN rates [0.8(CLABSI) and 1.3(CAUTI)]- although device use ratios for CL and UC were higher than INICC and CDC/NSHN's ratios. By contrast, despite the VAP rate was higher than INICC(16.5) and NHSN's rates(1.1), MV DUR was lower in our ICUs. Resistance of A. baumannii to imipenem and meropenem was 75.0%, and of Pseudomonas aeruginosa to ciprofloxacin and piperacillin-tazobactam was higher than 72.7%, all them higher than CDC/NHSN rates. Excess length of stay was 7.4 d for patients with CLABSI, 4.8 for patients with VAP and 9.2 for patients CAUTI. Excess crude mortality in ICUs was 30.9% for CLABSI, 14.5% for VAP and 17.6% for CAUTI. CONCLUSION DA-HAI rates in our ICUs from Ecuador are higher than United States CDC/NSHN rates and similar to INICC international rates. | Estuardo Salgado Yepez Maria M Bovera Victor D Rosenthal Hugo A González Flores Leonardo Pazmino Francisco Valencia Nelly Alquinga Vanessa Ramirez Edgar Jara Miguel Lascano Veronica Delgado Cristian Cevallos Gasdali Santacruz Cristian Pelaéz Celso Zaruma Diego Barahona Pinto | 2017 | World Journal of Biological Chemistry2017，8，1： | 23 |
| 2 | 气象卫星云图的多分辨小波分解及人工神经网络降水估计研究显示文摘采用多分辨小波分析对卫星图象进行预处理 ,在保留其特征信息的同时 ,减小了数据量 ,改善了神经网络训练过程的收敛性能 ,提高了处理速度。采用这一方法根据 GOES- 8的红外亮温图象和气象雷达资料对巴西圣保罗州中部的降水量估计进行了试验 ,取得了良好的效果。 | 李伟钢 Maria C V Ramirez Nelson J Ferreira 石立华 Leonardo D de A Sá | 2000 | 南京气象学院学报2000，23，2： | 13 |
| 3 | Prevalence of Barrett's esophagus in patients with moderate to severe erosive esophagitis显示文摘AIM: To investigate the proportion of patients with moderate-severe erosive esophagitis (EE) who will have Barrett's esophagus (BE) after healing of inflammation. METHODS: Patients with EE of Los Angeles (LA) class B, C and D who underwent follow-up endoscopy documenting complete mucosal healing. RESULTS: A total of 86/169 patients were suspected of having BE (38 before healing and 48 after healing of EE) and, 46/86 eventually had the histological confirmation. At index esophago-gastro-duodenoscopy (EGD), BE was suspected in 38/169 (22%), and ultimately, histologically confirmed in 20 of these. In 11 patients where biopsies were performed in the presence of inflammation, BE was detected in 2 and missed in 5 (including 2 dysplasias). In 131/169 patients (77.5%), BE was not suspected at index EGD. After healing of EE though, 48 patients had suspicion of BE who underwent biopsies, and in 26 of these histology was positive for BE. The length of inflammation had a linear correlation with the length of BE (P = 0.01). Out of multiple variables to predict BE, only the suspicion at index endoscopy was statistically significant (P = 0.01). CONCLUSION: BE was seen in 46/169 (27%) patients with EE of LA class B, C and D. The length of EE can predict the length of underlying BE segment.Even when suspected, BE and associated dysplasia can be missed in the presence of inflammation; therefore, repeat evaluation should be considered after complete healing of esophagitis. | Nooman Gilani Richard D Gerkin Francisco C Ramirez Shahina Hakim Adam C Randolph | 2008 | World Journal of Gastroenterology2008，14，22： | 2 |
| 4 | Polyp detection rates using magnification with narrow band imaging and white light显示文摘AIM: To compare the yield of adenomas between narrow band imaging and white light when using high definition/magnification. METHODS: This prospective, non-randomized comparative study was performed at the endoscopy unit of veteran affairs medical center in Phoenix, Arizona. Consecutive patients undergoing first average risk colorectal cancer screening colonoscopy were selected. Two experienced gastroenterologists performed all the procedures that were blinded to each other's findings. Demographic details were recorded. Data are presented as mean ± SEM. Proportional data were compared using the χ2 test and means were compared using the Student's t test. Tandem colonoscopy was performed in a sequential and segmental fashion using one of 3 strategies: white light followed by narrow band imaging [Group A: white light(WL) → narrow band imaging(NBI)]; narrow band imaging followed by white light(Group B: NBI → WL) and, white light followed by white light(Group C: WL → WL). Detection rate of missed polyps and adenomas were evaluated in all three groups. RESULTS: Three hundred patients were studied(100 in each Group). Although the total time for the colonoscopy was similar in the 3 groups(23.8 ± 0.7, 22.2 ± 0.5 and 24.1 ± 0.7 min for Groups A, B and C, respectively), it reached statistical significance between Groups B and C(P < 0.05). The cecal intubation time in Groups B and C was longer than for Group A(6.5 ± 0.4 min and 6.5 ± 0.4 min vs 4.9 ± 0.3 min; P < 0.05). The withdrawal time for Groups A and C was longer than Group B(18.9 ± 0.7 min and 17.6 ± 0.6min vs 15.7 ± 0.4 min; P < 0.05). Overall miss rate for polyps and adenomas detected in three groups during the second look was 18% and 17%, respectively(P = NS). Detection rate for polyps and adenomas after first look with white light was similar irrespective of the light used during the second look(WL → WL: 13.7% for polyps, 12.6% for adenomas; WL → NBI: 14.2% for polyps, 11.3% for adenomas). Miss rate of polyps and adenomas however was significantly higher when NBI was used first(29.3% and 30.3%, respectively; P < 0.05). Most missed adenomas were ≤ 5 mm in size. There was only one advanced neoplasia(defined by size only) missed during the first look. CONCLUSION: Our data suggest that the tandem nature of the procedure rather than the optical techniques was associated with the detection of additional polyps' and adenomas. | Nooman Gilani Sally Stipho James D Panetta Sorin Petre Michele A Young Francisco C Ramirez | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，5： | 2 |
| 5 | Effect of nozzle orifice geometry on spray, combustion, and emission characteristics under diesel engine conditions显示文摘 | Som S Ramirez A I Longman D E | 2011 | Fuel2011，90，3： | 1 |
| 6 | Expression of a single-chain Fv antibody fragment specific for the hepatitis B surface antigen in transgenic tobacco plants 显示文摘 | Ramirez N Ayala M Lorenzo D | 2002 | Trans Res2002，11，： | 1 |
| 7 | Innovations in breast disease diagnosis显示文摘 | Trevathan Ramirez D | 1998 | Radiol Technol1998，70，2： | 1 |
| 8 | Conversion of technical lignins into slow-release nitrogenous fertilizers by ammoxidation in liquid phase显示文摘 | Meier D Zunign V Ramirez F | 1994 | Bioresouse Technology1994，49，2： | 1 |
| 9 | Spin -valve current sensor for industrial applications 显示文摘 | Pelegri J Ejea J B Ramirez B D | 2003 | Sensor Actuat A-Phys2003，105，2： | 1 |
| 10 | Metal thbrication by ad- ditive manuthcturing using laser and electron beam melting technol- ogies显示文摘 | Muir L E Gaytan S M Ramirez D A | 2012 | J Material Science and Technology2012，28，1： | 1 |
| 11 | Adsorption and electrothermal desorption of organic vapors using activated carbon adsorbents with novel morphologies显示文摘 | LUO L RAMIREZ D ROOD M J | 2006 | Carbon2006，44，13： | 1 |
| 12 | Electrochemotherapy on liver tumor rabbits 显示文摘 | Ramirez LH Orlowski S An D | 1998 | Br J Cancer1998，77，12： | 1 |
| 13 | A comparative study of the disc diffusion method with the broth microdilution and Etest methods for voriconazole susceptibility testing of Aspergillus spp显示文摘 | Serrano MC Ramirez M Morilla D | 2004 | J Antimicrob Chemother2004，53，： | 1 |
| 14 | The influence of eollagen-glycosaminoglyean scaffold relative density and microstructural anisotropy on tenocyte bioactivity and transcriptomic stability 显示文摘 | CALIARI S R WEISGERBER D W RAMIREZ M A | 2012 | J Mech Behav Biomed Ma- ter2012，11，11： | 1 |
| 15 | Regulation of AKT(ser473)phosphorylation by choline kinase in breast carcinoma cells显示文摘 | Chua BT Gallego-Ortega D Ramirez de Molina A | | 0，，： | 1 |
| 16 | Synthesisand applications of one-dimensional semiconductors显示文摘 | BARTH S RAMIREZ F H HOLMES J D | 2010 | Progressin Materials Science2010，55，6： | 1 |
| 17 | Prevalence esti- mates and health-related correlates of cognitive impairment from a probability sample of community-residing Latino elders显示文摘 | Ramirez M Teresi J A Holmes D etal | 2007 | J Aging Health2007，19，4： | 1 |
| 18 | Purification and identification of an estrogen binding protein from rat brain: oligomycin sensitivity-conferring protein( OSCP), a subunit of mitochondrial F0F1 -ATP synthase/ATPase显示文摘 | ZHENG J RAMIREZ V D | 1999 | J Steroid Biochem Mol Biol1999，68，12： | 1 |
| 19 | Does leadership matter? CEO leadership attributes and profitability under conditions of perceived environmental uncertainty显示文摘 | RAMIREZ G G HOUSE R J PURANAM P | 2001 | Academy of Management Journal2001，44，1： | 1 |
| 20 | Microstructure evolution associated with adiabatic shear bands and shear band failure in baUistic plug formation in Ti-6A1-4V targets 显示文摘 | Murr L E Ramirez A C Gaytan S M Lopez M I Martinez E Y Hernandez D H Martinez E | 2009 | Materials Science and Engineering A2009，516，： | 1 |
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