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    Predictive Value of Noncontrast Head CT with Negative Findings in the Emergency Department Setting | American Journal of Neuroradiology  
    

















    





























    
  
  




    
    

  

      


    

      

  
  
  

    

  

    

  

                
    

      

  

    

  
      
  
  

    


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Research ArticleAdult Brain

  
      

  
      
Predictive Value of Noncontrast Head CT with Negative Findings in the Emergency Department Setting
  
    	
A.L. Callen, D.S. Chow, Y.A. Chen, H.R. Richelle, J. Pao, M. Bardis, B.D. Weinberg, C.P. Hess and L.P. Sugrue

  
    	
American Journal of Neuroradiology February 2020,  41 (2) 213-218; DOI: https://doi.org/10.3174/ajnr.A6408 

  
  
  



  


  
  



			

		

	
	
 	
	  
  

		
		

			

			  

  
      
  
  

    
  


  
  



  
      
  
  

    

  

    

  
      
  
  

    
References
  1. 1.↵
    1. Hess  EP, 
    2. Haas  LR, 
    3. Shah  ND, et al
    . Trends in computed tomography utilization rates: a longitudinal practice-based study. J Patient Saf 2014;10:52–58 doi:10.1097/PTS.0b013e3182948b1a pmid:24080717
    CrossRefPubMed
  2. 2.↵
    1. Larson  DB, 
    2. Johnson  LW, 
    3. Schnell  BM, et al
    . National trends in CT use in the emergency department: 1995–2007. Radiology 2011;258:164–73 doi:10.1148/radiol.10100640 pmid:21115875
    CrossRefPubMedWeb of Science
  3. 3.↵
    1. Hussein  W, 
    2. Mullins  PM, 
    3. Alghamdi  K, et al
    . Trends in advanced computed tomography use for injured patients in United States emergency departments: 2007–2010. Acad Emerg Med 2015;22:663–69 doi:10.1111/acem.12684 pmid:25996245
    CrossRefPubMed
  4. 4.
    1. Levin  DC, 
    2. Rao  VM, 
    3. Parker  L, et al
    . Continued growth in emergency department imaging is bucking the overall trends. J Am Coll Radiol 2014;11:1044–47 doi:10.1016/j.jacr.2014.07.008 pmid:25439619
    CrossRefPubMed
  5. 5.↵
    1. Levin  DC, 
    2. Parker  L, 
    3. Rao  VM
    . Recent trends in imaging use in hospital settings: implications for future planning. J Am Coll Radiol 2017;14:331–36 doi:10.1016/j.jacr.2016.08.025 pmid:27884633
    CrossRefPubMed
  6. 6.↵
    1. Mitsunaga  MM, 
    2. Yoon  HC
    . Journal club: head CT scans in the emergency department for syncope and dizziness. AJR Am J Roentgenol 2015;204:24–28 doi:10.2214/AJR.14.12993 pmid:25539233
    CrossRefPubMed
  7. 7.↵
    1. Lawhn-Heath  C, 
    2. Buckle  C, 
    3. Christoforidis  G, et al
    . Utility of head CT in the evaluation of vertigo/dizziness in the emergency department. Emerg Radiol 2013;20:45–49 doi:10.1007/s10140-012-1071-y pmid:22940762
    CrossRefPubMed
  8. 8.↵
    1. Kamat  AB, 
    2. Midgley  S, 
    3. Kimbrell  K
    . Duplication of radiology imaging studies in the emergency department: what is the cost? Emerg Med J 2015;32:144–48 doi:10.1136/emermed-2013-203136 pmid:24096859
    Abstract/FREE Full Text
  9. 9.
    1. Anandalwar  SP, 
    2. Mau  CY, 
    3. Gordhan  CG, et al
    . Eliminating unnecessary routine head CT scanning in neurologically intact mild traumatic brain injury patients: implementation and evaluation of a new protocol. J Neurosurg 2016;125:667–73 doi:10.3171/2015.9.JNS151379 pmid:26771855
    CrossRefPubMed
  10. 10.↵
    1. Grover  CA, 
    2. Close  RJ, 
    3. Villarreal  K, et al
    . Emergency department frequent user: pilot study of intensive case management to reduce visits and computed tomography. West J Emerg Med 2010;11:336–43 pmid:21079705
    PubMed
  11. 11.↵
    1. Wasser  EJ, 
    2. Prevedello  LM, 
    3. Sodickson  A, et al
    . Impact of a real-time computerized duplicate alert system on the utilization of computed tomography. JAMA Intern Med 2013;173:1024–26 doi:10.1001/jamainternmed.2013.543 pmid:23609029
    CrossRefPubMed
  12. 12.↵
    1. Brenner  DJ, 
    2. Hall  EJ
    . Computed tomography: an increasing source of radiation exposure. N Engl J Med 2007;357:2277–84 doi:10.1056/NEJMra072149 pmid:18046031
    CrossRefPubMedWeb of Science
  13. 13.↵
    1. Smith-Bindman  R, 
    2. Miglioretti  DL, 
    3. Johnson  E, et al
    . Use of diagnostic imaging studies and associated radiation exposure for patients enrolled in large integrated health care systems, 1996–2010. JAMA 2012;307:2400–09 doi:10.1001/jama.2012.5960 pmid:22692172
    CrossRefPubMedWeb of Science
  14. 14.↵
    1. Kline  JA, 
    2. Courtney  DM, 
    3. Beam  DM, et al
    . Incidence and predictors of repeated computed tomographic pulmonary angiography in emergency department patients. Ann Emerg Med 2009;54:41–48 doi:10.1016/j.annemergmed.2008.08.015 pmid:18838194
    CrossRefPubMedWeb of Science
  15. 15.↵
    1. Griffey  RT, 
    2. Jeffe  DB, 
    3. Bailey  T
    . Emergency physicians’ attitudes and preferences regarding computed tomography, radiation exposure, and imaging decision support. Acad Emerg Med 2014;21:768–77 doi:10.1111/acem.12410 pmid:25125272
    CrossRefPubMed
  16. 16.↵
    1. Baker  LC, 
    2. Atlas  SW, 
    3. Afendulis  CC
    . Expanded use of imaging technology and the challenge of measuring value. Health Aff (Millwood) 2008;27:1467–78 doi:10.1377/hlthaff.27.6.1467 pmid:18997202
    Abstract/FREE Full Text
  17. 17.↵
    1. Marin  JR, 
    2. Mills  AM
    . Developing a research agenda to optimize diagnostic imaging in the emergency department: an executive summary of the 2015 Academic Emergency Medicine Consensus Conference. Acad Emerg Med 2015;22:1363–71 doi:10.1111/acem.12818 pmid:26581181
    CrossRefPubMed
  18. 18.
    1. Dunne  RM, 
    2. Ip  IK, 
    3. Abbett  S, et al
    . Effect of evidence-based clinical decision support on the use and yield of CT pulmonary angiographic imaging in hospitalized patients. Radiology 2015;276:167–74 doi:10.1148/radiol.15141208 pmid:25686367
    CrossRefPubMed
  19. 19.↵
    1. Sistrom  CL, 
    2. Dang  PA, 
    3. Weilburg  JB, et al
    . Effect of computerized order entry with integrated decision support on the growth of outpatient procedure volumes: seven-year time series analysis. Radiology 2009;251:147–55 doi:10.1148/radiol.2511081174 pmid:19221058
    CrossRefPubMedWeb of Science
  


  
  



  




  


  
  



  
      
  
  

    
  


  
  



  
      
  
  

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Predictive Value of Noncontrast Head CT with Negative Findings in the Emergency Department Setting
  
    	
A.L. Callen, D.S. Chow, Y.A. Chen, H.R. Richelle, J. Pao, M. Bardis, B.D. Weinberg, C.P. Hess, L.P. Sugrue

  
    	
American Journal of Neuroradiology Feb 2020, 41 (2) 213-218; DOI: 10.3174/ajnr.A6408 

  
  
  



  


  
  



  
      
  
  

    

  
    
  
  
    
  
  
    
  


  


  
  



  
      
  
  

    
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