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	题名	作者	年代	出处	被引量
1	暴发性的 Clostridium 顽固感染: 有优先的阑尾切除术的一个协会?显示文摘 AIM: To examine if fulminant Clostridium difficile infections(CDI) resulting in colectomy was associated with a prior appendectomy and whether any association affected the severity of the disease.METHODS: A retrospective chart review was performed on patients who underwent colectomy for CDI between 2001 and 2011.The appendectomy rate was calculated based on the absence of an appendix on the surgical pathology report.This was compared to an established lifetime risk of appendectomy in the general population.A chart review was performed for mortality and traditional markers of CDI disease severity.Fisher’s exact test was used to calculate the likelihood of association between prior appendectomy,mortality,and clinical markers of severity of infection.RESULTS: Fifty-five specimens were identified with pseudomembranous colitis consistent with CDI.All patients had a clinical history consistent with CDI and 45 of 55(81.8%) specimens also had microbiological confirmation of CDI.Appendectomy was observed in 24 of 55 specimens(0.436,99%CI: 0.280-0.606).This was compared to the lifetime incidence of appendectomy of 17.6%.The rate of appendectomy in our sample was significantly higher than would be expected in the general population(43.6% vs 17.6%,P < 0.01).Disease severity did not differ based on presence or absence of an appendix and no association was detected between prior appendectomy and mortality(OR = 0.588,95%CI: 0.174-1.970).CONCLUSION: The rate of appendectomy in the patients whose CDI led to colectomy,was significantly higher than the calculated lifetime risk,suggesting an association of appendectomy and severe CDI resulting in colectomy.Larger prospective studies are needed to assess any potential causal relationships affecting fulminant CDI.	Jesse Clanton Michael Subichin Katherine Drolshagen Timothy Daley Michael S Firstenberg	2013	World Journal of Gastrointestinal Surgery2013，5，8：	4
2	Validation of real-time three-dimensional echocardiography for quantifying left ventricular volumes in the presence of a left ventricular aneurysm: in vitro and in vivo studies显示文摘	Jian Xin Qin Michael Jones Takahiro Shiota Neil L Greenberg Hiroyuki Tsujino Michael S Firstenberg Pankaj C Gupta Arthur D Zetts Yong Xu Jing Ping Sun Lisa A Cardon Jill A Odabashian Scott D Flamm Richard D White Julio A Panza James D Thomas	2000	Journal of the American College of Cardiology2000，，3：	1
3	Dopplerderived myocardial systolic strain rate is a strong index of left ventricular contractility显示文摘	Firstenberg MS Castro PL	2002	Circulation2002，105，1：	1
4	Doppler-derived myocardial systolic strain rate is a strong index of left ventricular contractility显示文摘	Greenberg NL Firstenberg MS Castre PL	2002	Circulation2002，105，1：	1
5	The effects of acute coronary occlusion on noninvasive echocardiographically derived systolic and diastolic myocardial strain rates显示文摘	Firstenberg MS Greenberg NL Smedira NG		0，，05：	1
6	Doppler-derived myocardial systolic strain rate is a strong index of left ventricular contractility显示文摘	GREENBERG N L FIRSTENBERG M S CASTRO P L	2002	Circulation2002，105，：	1
7	Doppler- derived myocardial systolic strain rate is a strong index of left ventricular contractility显示文摘	Greenberg NL Firstenberg MS Castro PL	2002	Circulation2002，105，1：	1
8	Extracorporeal membrane oxygenation for pandemic(H1N1)2009显示文摘	Firstenberg M S Blais D Louis L B	2009	Emerg Infect Dis2009，15，12：	1
9	The effects of acute coronary occlusion on noninvasive echocardiographically-deruved ststolic and diastolic myocardial strain rates显示文摘	Firstenberg Ms Greenberg NL Smedira DG	2000	Curr Surg2000，57，2：	1
10	Topological stability of stored optical vortices显示文摘	PUGATCH R SHUKER M FIRSTENBERG O		0，，20：	1
11	Determinants of diastolic myocardial tissue Doppler velocities:influences of relaxation and preload 显示文摘	Firstenberg MS Greenberg NL Main ML	2001	J Appl Physio12001，90，1：	1
12	Color M-mode Doppler flow propagation velocity is a preload insensitive index of left ventricular relaxation: animal and human validation显示文摘	Mario J. Garcia Nicholas G. Smedira Neil L. Greenberg Michael Main Michael S. Firstenberg Jill Odabashian James D. Thomas	2000	Journal of the American College of Cardiology2000，，1：	1
13	Cardiac chronotropic responsiveness显示文摘	Wilkoff BL Firstenberg MS	2000	Clin Cardiac Pacing Defibrillation2000，，：	1
14	Doppler-derived myocardial systolic strain rate is a strong index of left ventricular contractility显示文摘	Greenberg NL Firstenberg MS Castro PL		0，，1：	1
15	Effect of cardiac output on mitral valve area in patients with mitral stenosis: validation and pitfalls of the pressure half-time method显示文摘	Firstenberg MS Prior DL Greenberg NL Wahi S	2001	J Heart Valve Dis2001，，：	1
16	Relationship of echocardiographic indices to pulmonary capillary wedge pressures in healthy volunteers显示文摘	Firstenberg MS Levine BD Garcia MJ	2000	J Am Coll Cardiol2000，36，：	1
17	The effects of acute coronary occlusion on noninvasive echocardiographically derived systolic and diastolic myocardial strain rates显示文摘	Firstenberg MS Greenberg NL Smedira NG	2000	Curr Surg2000，57，：	1
18	Dopplerderived myocardial systolic strain rate is a strong index of left ventricular contractility显示文摘	Greenberg N L Firstenberg M S Castro P L	2002	Circulation2002，105，：	1
19	Doppler-derived myocardial systolic strain rate is a strong index of left ventricular contractility显示文摘	Greenberg NL Firstenberg MS Castro PL	2002	Circulation2002，105，11：	1
20	Relationship between ventricular contractility and early diastolic intraventricular pressure gradients:a diastolic link to systolic function显示文摘	Firstenberg MS Greenberg NL Garcia MJ	2008	J Am Soc Echocardiogr2008，21，5：	1

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