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| 1 | Heparin resistance in severe thermal injury:a prospective cohort study显示文摘Background:Low molecular-weight heparin(LMWH)is routinely administered to burn patients for thromboprophylaxis.Some studies have reported heparin resistance,yet the mechanism(s)and prevalence have not been systematically studied.We hypothesized that nucleosomes,composed of histone structures with associated DNA released from injured tissue and activated immune cells in the form of neutrophil extracellular traps(NETs or NETosis),neutralize LMWH resulting in suboptimal anticoagulation,assessed by reduction in anti-factor Xa activity.Methods:Blood was sampled from>15%total body surface area(TBSA)burn patients receiving LMWH on days 5,10 and 14.Peak anti-factor Xa(AFXa)activity,anti-thrombin(ATIII)activity,cellfree DNA(cfDNA)levels and nucleosome levels were measured.Mixed effects regression was adjusted for multiple confounders,including injury severity and ATIII activity,and was used to test the association between nucleosomes and AFXa.Results:A total of 30 patients with severe burns were included.Mean TBSA 43%(SD 17).Twentythree(77%)patients were affected by heparin resistance(defined by AFXa activity<0.2 IU/mL).Mean peak AFXa activity across samples was 0.18 IU/mL(SD 0.11).Mean ATIII was 81.9%activity(SD 20.4).Samples taken at higher LWMH doses were found to have significantly increased AFXa activity,though the effect was not observed at all doses,at 8000 IU no samples were heparin resistant.Nucleosome levels were negatively correlated with AFXa(r=−0.29,p=0.050)consistent with the hypothesis.The final model,with peak AFXa as the response variable,was adjusted for nucleosome levels(p=0.0453),ATIII activity(p=0.0053),LMWH dose pre-sample(p=0.0049),drug given(enoxaparin or tinzaparin)(p=0.03),and other confounders including severity of injury,age,gender,time point of sample.Conclusions:Heparin resistance is a prevalent issue in severe burns.Nucleosome levels were increased post-burn,and showed an inverse association with AFXa consistent with the hypothesis that they may interfere with the anticoagulant effect of heparin in vivo and contribute to heparin resistance.Accurate monitoring of AFXa activity with appropriate therapy escalation plans are recommended with dose adjustment following severe burn injury. | Liam D Cato Benjamin Bailiff Joshua Price Christos Ermogeneous Jon Hazeldine William Lester Gillian Lowe Christopher Wearn Jonathan RB Bishop Janet M Lord Naiem Moiemen Paul Harrison | 2021 | Burns & Trauma2021，9，1： | 3 |
| 2 | 一种房颤风险评分系统的建立(Framingham心脏研究):基于社区的队列研究显示文摘背景房颤导致了发病率和病死率的显著上升。本研究旨在建立一种预测个体罹患房颤绝对风险的风险评分系统,并提供研究人员评价新危险因素的流程。方法作者评估了Framingham心脏研究中于1968年6月至1987年9月间进行了8044次检测的4764例参与者(55%为女性,年龄45~95岁)。此后,参与者被随访至房颤首发,随访期最长达10年。多变量Coxi回归确认出1(1年内罹患房颤的临床危险因素。次级分析纳入了常规超声心动图检测指标(5152例4参与者,7156次检测)对房颤风险进行再分层评估,并评价超声检测指标能否提高风险预测能力。结果4764例参与者中的457例4(10%)罹患房颤。年龄、性别、体重指数、收缩压、降压治疗、PR间期、有临床意义的心脏杂音及心力衰竭与房颤相关,并被纳入了风险评分模型(除体重指数P=0.08外,其余均为P〈0.05),模型的C统计量为0.78(95%CI0.76~0.80)。10年房颤风险随年龄变化:年龄〈65岁的人群中53例(1%)风险高于15%,而〉65岁的人群中为783例(27%)。为提高预测能力而纳入超声检测指标仅使模型C统计量略微增高,由0.78(95%C10.75~0.80)增至0.79(95%CI0.77~0.82:P=0.005)。超声心动图检测指标并不能改善风险再分层评估(P=0.18)。结论基于社区医疗中易得的临床因素建立的风险评分系统,有助于确认社区个体罹患房颤的风险,评估技术或标志物能否改善风险预测,以及针对高危个体采取预防措施。 | Renate B Schnabel Lisa M Sullivan Daniel Levy Michael J Pencina Joseph M Massaro Ralph B D'Agostino Sr Christopher Newton-Cheh Jennifer F Yamamoto Jared W Magnani Thomas M Tadros William B Kannel Thomas J Wang Patrick T Ellinor Philip A Wolf Ramachanclran S Vasan Emelia J Benjamin 黄刚(译) | 2009 | 世界临床医学2009，，9： | 2 |
| 3 | Quieting cross talk- the quorum sensing regulator LsrR as a possible target for fighting bacterial infections显示文摘 | Christopher M Byrd | 2009 | Cell Research2009，19，11： | 2 |
| 4 | Outcomes of Neoadjuvant Transarterial Chemoembolization to Downstage Hepatocellular Carcinoma Before Liver Transplantation显示文摘 | William C. Chapman M B. Majella Doyle Jourdan E. Stuart Neeta Vachharajani Jeffrey S. Crippin Christopher D. Anderson Jeffrey A. Lowell Surendra Shenoy Michael D. Darcy Daniel B. Brown | 2008 | Annals of Surgery2008，，4： | 2 |
| 5 | Predicted Effects of Treatment for HCV Infection Vary Among European Countries显示文摘 | Sylvie Deuffic–Burban Pierre Deltenre Maria Buti Tommaso Stroffolini Julie Parkes Nikolai Mühlberger Uwe Siebert Christophe Moreno Angelos Hatzakis William Rosenberg Stefan Zeuzem Philippe Mathurin | 2012 | Gastroenterology2012，，4： | 2 |
| 6 | Survival and recurrence after concomitant chemotherapy and radiotherapy for cancer of the uterine cervix: a systematic review and meta-analysis显示文摘 | John A Green John M Kirwan Jayne F Tierney Paul Symonds Lydia Fresco Mandy Collingwood Christopher J Williams | 2001 | The Lancet . 2001 (9284)2001，，： | 2 |
| 7 | The role of the natural environment in the emergence of antibiotic resistance in Gram-negative bacteria显示文摘 | Elizabeth MH Wellington Alistair BA Boxall Paul Cross Edward J Feil William H Gaze Peter M Hawkey Ashley S Johnson-Rollings Davey L Jones Nicholas M Lee Wilfred Otten Christopher M Thomas A Prysor Williams | 2013 | The Lancet Infectious Diseases2013，，2： | 1 |
| 8 | Antithrombot- ic therapies in spine surgery:north American spine society evidence-based clinical guidelines for multidisciplinary spine care 显示文摘 | Christopher M William C Michael I-I | 2009 | Spine J2009，9，12： | 1 |
| 9 | The effect of body contact series resistance on SOI CMOS amplifier stages显示文摘 | CHRISTOPHER F E WILLIAM R W BERNARD M T | 1997 | IEEE Trans Electron Devices1997，44，12： | 1 |
| 10 | Perceptual-Cognitive Expertise in Sport: A Meta-Analysis 显示文摘 | DEREK T Y WILLIAMS M A CHRISTOPHER M | 2007 | Journal of Sport & Exercise Psychology2007，，29： | 1 |
| 11 | Renal impairment and heart failure with preserved ejection fraction early post-myocardial infarction显示文摘AIM:To study if impaired renal function is associated with increased risk of peri-infarct heart failure (HF) in patients with preserved ejection fraction (EF).METHODS:Patients with occluded infarct-related arteries (IRAs) between 1 to 28 d after myocardial infarction (MI) were grouped into chronic kidney disease (CKD) stages based on estimated glomerular filtration rate (eGFR).Rates of early post-MI HF were compared among eGFR groups.Logistic regression was used to explore independent predictors of HF.RESULTS:Reduced eGFR was present in 71.1% of 2160 patients,with significant renal impairment (eGFR < 60 mL/min every 1.73 m2) in 14.8%.The prevalence of HF was higher with worsening renal function:15.5%,17.8% and 29.4% in patients with CKD stages 1,2 and 3 or 4,respectively (P < 0.0001),despite a small absolute difference in mean EF across eGFR groups:48.2 ± 10.0,47.9 ± 11.3 and 46.2 ± 12.1,respectively (P=0.02).The prevalence of HF was again higher with worsening renal function among patients with preserved EF:10.1%,13.6% and 23.6% (P < 0.0001),but this relationship was not significant among patients with depressed EF:27.1%,26.2% and 37.9% (P= 0.071).Moreover,eGFR was an independent correlate of HF in patients with preserved EF (P=0.003) but not in patients with depressed EF (P=0.181).CONCLUSION:A significant proportion of post-MI patients with occluded IRAs have impaired renal function.Impaired renal function was associated with an increased rate of early post-MI HF,the association being strongest in patients with preserved EF.These findings have implications for management of peri-infarct HF. | Vinod Jorapur Gervasio A Lamas Zygmunt P Sadowski Harmony R Reynolds Antonio C Carvalho Christopher E Buller James M Rankin Jean Renkin Philippe Gabriel Steg Harvey D White Carlos Vozzi Eduardo Balcells Michael Ragosta C Edwin Martin Vankeepuram S Srinivas William W Wharton III Staci Abramsky Ana C Mon Shari S Kronsberg Judith S Hochman | 2010 | World Journal of Cardiology2010，2，1： | 1 |
| 12 | Survival and recurrence after concomitant chemotherapy and radiotherapy for cancer of the uterine cervix: a systematic review and meta-analysis显示文摘 | John A Green John M Kirwan Jayne F Tierney Paul Symonds Lydia Fresco Mandy Collingwood Christopher J Williams | 2001 | The Lancet2001，，9284： | 1 |
| 13 | Thermal Analysis of Automotive Lamps Using the ADINA-F Coupled Specular Radiation and Natural Convection Model显示文摘 | William I M Eric S D Christopher R P | 1999 | Computers & Structures1999，72，1： | 1 |
| 14 | The discovery and structural requirements of inhibitors of p-hydroxyphenylpyruvate dioxygenase显示文摘 | Lee D L Christopher G K William J M | 1997 | Weed Sci1997，45，： | 1 |
| 15 | Neoadjuvant chemotherapy of breast Cancer 显示文摘 | Christopher A Garces M D William G | 2004 | Am Surg2004，70，7： | 1 |
| 16 | Outcomes of Neoadjuvant Transarterial Chemoembolization to Downstage Hepatocellular Carcinoma Before Liver Transplantation显示文摘 | William C. Chapman M B. Majella Doyle Jourdan E. Stuart Neeta Vachharajani Jeffrey S. Crippin Christopher D. Anderson Jeffrey A. Lowell Surendra Shenoy Michael D. Darcy Daniel B. Brown | 2008 | Annals of Surgery2008，，4： | 1 |
| 17 | Hierarchical Storage and Visualization of Real-Time 3D Data 显示文摘 | M Robert Parry Brendan Hannigan William Ribarsky Christopher D Shaw and Nickolas Faust | 2001 | SPIE Aerosense2001，4368，： | 1 |
| 18 | Soil water content estimation using a remote sensing based hybrid evapotranspiration modeling approach 显示文摘 | Christopher M U Hatim M E William P K | 2012 | Advances in Water Resources2012，50，： | 1 |
| 19 | SPQD14090400000528显示文摘 | Gerhard Glenn S Chu Xin Wood G Craig Gerhard Genevieve M Benotti Peter Petrick Anthony T Gabrielsen Jon Strodel William E Still Christopher D Argyropoulos George | 2013 | Human Heredity (-)2013，，2： | 1 |
| 20 | Polymer-derived silicon carbide fibers with low oxygen content and improved thermomechanical stability 显示文摘 | Christopher D B Sacks M D | 1994 | Composites Sci Technol1994，51，2： | 1 |
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