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Research ArticleEMERGENCY NEURORADIOLOGY

Change in Emergency Department Length of Stay following Routine Adoption of Dual-Energy CT to Differentiate Intracranial Hemorrhage from Calcification

Ngoc-Anh Tran, Christopher A. Potter, Camden Bay and Aaron D. Sodickson
American Journal of Neuroradiology May 2025, DOI: https://doi.org/10.3174/ajnr.A8610
Ngoc-Anh Tran
aFrom the Department of Radiology (N.-A.T.), Brigham and Women’s Hospital, Boston, Massachusetts
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Christopher A. Potter
bDepartment of Radiology, Division of Emergency Radiology (C.A.P., A.D.S.), Brigham and Women’s Hospital, Boston, Massachusetts
cDepartment of Radiology, Division of Neuroradiology (C.A.P.), Brigham and Women’s Hospital, Boston, Massachusetts
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Camden Bay
dDepartment of Radiology, Division of Statistics (C.B.), Brigham and Women’s Hospital, Boston, Massachusetts
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Aaron D. Sodickson
bDepartment of Radiology, Division of Emergency Radiology (C.A.P., A.D.S.), Brigham and Women’s Hospital, Boston, Massachusetts
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References

  1. 1.↵
    1. Sodickson AD,
    2. Keraliya A,
    3. Czakowski B, et al
    . Dual energy CT in clinical routine: how it works and how it adds value. Emerg Radiology 2021;28:103–17 doi:10.1007/s10140-020-01785-2 pmid:32483665
    CrossRefPubMed
  2. 2.↵
    1. Potter CA,
    2. Sodickson AD
    . Dual-energy CT in emergency neuroimaging: added value and novel applications. Radiographics 2016;36:2186–98 doi:10.1148/rg.2016160069 pmid:27831844
    CrossRefPubMed
  3. 3.↵
    1. Otrakji A,
    2. Digumarthy SR,
    3. Lo Gullo R, et al
    . Dual-energy CT: spectrum of thoracic abnormalities. Radiographics 2016;36:38–52 doi:10.1148/rg.2016150081 pmid:26761530
    CrossRefPubMed
  4. 4.↵
    1. De Cecco CN,
    2. Schoepf UJ,
    3. Steinbach L, et al
    . White paper of the Society of Computed Body Tomography and Magnetic Resonance on dual-energy CT. J Comput Assis Tomogr 2017;41:1–7 doi:10.1097/RCT.0000000000000538 pmid:28081050
    CrossRefPubMed
  5. 5.↵
    1. Phan CM,
    2. Yoo AJ,
    3. Hirsch JA, et al
    . Differentiation of hemorrhage from iodinated contrast in different intracranial compartments using dual-energy head CT. AJNR Am J Neuroradiol 2012;33:1088–94 doi:10.3174/ajnr.A2909 pmid:22268092
    Abstract/FREE Full Text
  6. 6.↵
    1. Kim SJ,
    2. Lim HK,
    3. Lee HY, et al
    . Dual-energy CT in the evaluation of intracerebral hemorrhage of unknown origin: differentiation between tumor bleeding and pure hemorrhage. AJNR Am J Neuroradiol 2012;33:865–72 doi:10.3174/ajnr.A2890 pmid:22241388
    Abstract/FREE Full Text
  7. 7.↵
    1. Hixson HR,
    2. Leiva-Salinas C,
    3. Sumer S, et al
    . Utilizing dual energy CT to improve CT diagnosis of posterior fossa ischemia. J Neuroradiol 2016;43:346–52 doi:10.1016/j.neurad.2016.04.001 pmid:27255679
    CrossRefPubMed
  8. 8.↵
    1. Hu R,
    2. Besheli LD,
    3. Young J, et al
    . Dual-energy head CT enables accurate distinction of intraparenchymal hemorrhage from calcification in emergency department patients. Radiology 2016;280:177–83 doi:10.1148/radiol.2015150877 pmid:27322974
    CrossRefPubMed
  9. 9.↵
    1. Wiggins WF,
    2. Potter CA,
    3. Sodickson AD
    . Dual-energy CT to differentiate small foci of intracranial hemorrhage from calcium. Radiology 2020;294:129–38 doi:10.1148/radiol.2019190792 pmid:31687919
    CrossRefPubMed
  10. 10.↵
    1. Wong WD,
    2. Mohammed MF,
    3. Nicolaou S, et al
    . Impact of dual-energy CT in the emergency department: increased radiologist confidence, reduced need for follow-up imaging, and projected cost benefit. AJR Am J Roentgenol 2020;215:1528–38 doi:10.2214/AJR.19.22357 pmid:32991217
    CrossRefPubMed
  11. 11.↵
    1. Yoon P,
    2. Steiner I,
    3. Reinhardt G
    . Analysis of factors influencing length of stay in the emergency department. CJEM 2003;5:155–61 doi:10.1017/s1481803500006539 pmid:17472779
    CrossRefPubMed
  12. 12.↵
    1. Zocchi MS,
    2. McClelland MS,
    3. Pines JM
    . Increasing throughput: results from a 42-hospital collaborative to improve emergency department flow. Jt Comm J Qual Patient Saf 2015;41:532–42 doi:10.1016/s1553-7250(15)41070-0 pmid:26567143
    CrossRefPubMed
  13. 13.↵
    1. Sinreich D,
    2. Marmor Y
    . Ways to reduce patient turnaround time and improve service quality in emergency departments. J Health Organ Manag 2005;19:88–105 doi:10.1108/14777260510600022 pmid:16119049
    CrossRefPubMed
  14. 14.↵
    1. Foley M,
    2. Kifaieh N,
    3. Mallon WK
    . Financial impact of emergency department crowding. West J Emerg Med 2011;12:192–97 pmid:21691525
    PubMed
  15. 15.↵
    1. Krochmal P,
    2. Riley TA
    . Increased health care costs associated with ED overcrowding. Am J Emerg Med 1994;12:265–66 doi:10.1016/0735-6757(94)90135-x pmid:8179727
    CrossRefPubMedWeb of Science
  16. 16.↵
    1. Pitts SR,
    2. Pines JM,
    3. Handrigan MT, et al
    . National trends in emergency department occupancy, 2001 to 2008: effect of inpatient admissions versus emergency department practice intensity. Ann Emerg Med 2012;60:679–86 doi:10.1016/j.annemergmed.2012.05.014 pmid:22727201
    CrossRefPubMed
  17. 17.↵
    1. Gardner RL,
    2. Sarkar U,
    3. Maselli JH, et al
    . Factors associated with longer ED lengths of stay. Am J Emerg Med 2007;25:643–50 doi:10.1016/j.ajem.2006.11.037 pmid:17606089
    CrossRefPubMed
  18. 18.↵
    1. Herring A,
    2. Wilper A,
    3. Himmelstein DU, et al
    . Increasing length of stay among adult visits to U.S. emergency departments, 2001-2005. Acad Emerg Med 2009;16:609–16 doi:10.1111/j.1553-2712.2009.00428.x pmid:19538503
    CrossRefPubMedWeb of Science
  19. 19.↵
    1. Kanzaria HK,
    2. Probst MA,
    3. Ponce NA, et al
    . The association between advanced diagnostic imaging and ED length of stay. Am J Emerg Med 2014;32:1253–58 doi:10.1016/j.ajem.2014.07.038 pmid:25176565
    CrossRefPubMed
  20. 20.↵
    1. Spaite DW,
    2. Bartholomeaux F,
    3. Guisto J, et al
    . Rapid process redesign in a university-based emergency department: decreasing waiting time intervals and improving patient satisfaction. Ann Emerg Med 2002;39:168–77 doi:10.1067/mem.2002.121215 pmid:11823772
    CrossRefPubMedWeb of Science
  21. 21.↵
    1. Bernstein SL,
    2. Aronsky D,
    3. Duseja R, et al
    ; Society for Academic Emergency Medicine, Emergency Department Crowding Task Force. The effect of emergency department crowding on clinically oriented outcomes. Acad Emerg Med 2009;16:1–10 doi:10.1111/j.1553-2712.2008.00295.x pmid:19007346
    CrossRefPubMedWeb of Science
  22. 22.↵
    1. Diercks DB,
    2. Roe MT,
    3. Chen AY, et al
    . Prolonged emergency department stays of non-ST-segment-elevation myocardial infarction patients are associated with worse adherence to the American College of Cardiology/American Heart Association Guidelines for Management and increased adverse events. Ann Emerg Med 2007;50:489–96 doi:10.1016/j.annemergmed.2007.03.033 pmid:17583379
    CrossRefPubMedWeb of Science
  23. 23.↵
    1. Sun B,
    2. Hsia R,
    3. Weiss R, et al
    . Effect of emergency department crowding on outcomes of admitted patients. Ann Emerg Med 2013;61:605–11 doi:10.1016/j.annemergmed.2012.10.026 pmid:23218508
    CrossRefPubMed
  24. 24.↵
    1. Richardson DB
    . Increase in patient mortality at 10 days associated with emergency department overcrowding. Med J Aust 2006;184:213–16 doi:10.5694/j.1326-5377.2006.tb00204.x pmid:16515430
    CrossRefPubMedWeb of Science
  25. 25.↵
    1. Guttmann A,
    2. Schull MJ,
    3. Vermeulen MJ, et al
    . Association between waiting times and short term mortality and hospital admission after departure from emergency department: population based cohort study from Ontario, Canada. BMJ 2011;342:d2983 doi:10.1136/bmj.d2983 pmid:21632665
    Abstract/FREE Full Text
  26. 26.↵
    1. Pines JM,
    2. Hollander JE
    . Emergency department crowding is associated with poor care for patients with severe pain. Ann Emerg Med 2008;51:1–5 doi:10.1016/j.annemergmed.2007.07.008 pmid:17913299
    CrossRefPubMedWeb of Science
  27. 27.↵
    1. Chang AM,
    2. Lin A,
    3. Fu R, et al
    . Associations of emergency department length of stay with publicly reported quality-of-care measures. Acad Emerg Med 2017;24:246–50 doi:10.1111/acem.13102 pmid:27640877
    CrossRefPubMed
  28. 28.↵
    1. Gardner RM,
    2. Friedman NA,
    3. Carlson M, et al
    . Impact of revised triage to improve throughput in an ED with limited traditional fast track population. Am J Emerg Med 2018;36:124–27 doi:10.1016/j.ajem.2017.10.016 pmid:29079371
    CrossRefPubMed
  29. 29.↵
    1. Pines JM,
    2. Iyer S,
    3. Disbot M, et al
    . The effect of emergency department crowding on patient satisfaction for admitted patients. Acad Emerg Med 2008;15:825–31 doi:10.1111/j.1553-2712.2008.00200.x pmid:19244633
    CrossRefPubMedWeb of Science
  30. 30.↵
    1. Kocher KE,
    2. Meurer WJ,
    3. Fazel R, et al
    . National trends in use of computed tomography in the emergency department. Ann Emerg Med 2011;58:452–62 doi:10.1016/j.annemergmed.2011.05.020 pmid:21835499
    CrossRefPubMed
  31. 31.↵
    1. Iglehart JK
    . Health insurers and medical-imaging policy–a work in progress. N Engl J Med 2009;360:1030–37 doi:10.1056/NEJMhpr0808703 pmid:19264694
    CrossRefPubMedWeb of Science
  32. 32.↵
    1. Korley FK,
    2. Pham JC,
    3. Kirsch TD
    . Use of advanced radiology during visits to US emergency departments for injury-related conditions, 1998-2007. JAMA 2010;304:1465–71 Published correction appears in JAMA 2010;304:1901 doi:10.1001/jama.2010.1408 pmid:20924012
    CrossRefPubMed
  33. 33.↵
    1. Gilbert JW,
    2. Johnson KM,
    3. Larkin GL, et al
    . Atraumatic headache in US emergency departments: recent trends in CT/MRI utilization and factors associated with severe intracranial pathology. Emerg Med J 2012;29:576–81 doi:10.1136/emermed-2011-200088 pmid:21856709
    Abstract/FREE Full Text
  34. 34.↵
    1. Broder J,
    2. Warshauer DM
    . Increasing utilization of computed tomography in the adult emergency department, 2000-2005. Emerg Radiol 2006;13:25–30 doi:10.1007/s10140-006-0493-9 pmid:16900352
    CrossRefPubMed
  35. 35.↵
    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
  36. 36.↵
    1. Griffey RT,
    2. Sodickson A
    . Cumulative radiation exposure and cancer risk estimates in emergency department patients undergoing repeat or multiple CT. AJR Am J Roentgenol 2009;192:887–92 doi:10.2214/AJR.08.1351 pmid:19304691
    CrossRefPubMedWeb of Science
  37. 37.↵
    1. El-Hallal M,
    2. Shah Y,
    3. Nath M, et al
    . Length of stay linked to neurodiagnostic workup for seizures presenting to the pediatric emergency department. Epilepsy Behav 2021;115:107639 doi:10.1016/j.yebeh.2020.107639 pmid:33378722
    CrossRefPubMed
  38. 38.↵
    1. Michelson EA,
    2. Huff JS,
    3. Loparo M, et al
    . Emergency department time course for mild traumatic brain injury workup. West J Emerg Med 2018;19:635–40 doi:10.5811/westjem.2018.5.37293 pmid:30013697
    CrossRefPubMed
  39. 39.↵
    1. Silva AC,
    2. Morse BG,
    3. Hara AK, et al
    . Dual-energy (spectral) CT: applications in abdominal imaging. Radiographics 2011;31:1031–46 doi:10.1148/rg.314105159 pmid:21768237
    CrossRefPubMed
  40. 40.↵
    1. Burla MJ,
    2. Boura J,
    3. Qu L, et al
    . An assessment of repeat computed tomography utilization in the emergency department in the setting of blunt trauma. Emerg Radiology 2018;25:499–504 doi:10.1007/s10140-018-1614-y pmid:29860543
    CrossRefPubMed
  41. 41.↵
    1. Kocher KE,
    2. Meurer WJ,
    3. Desmond JS, et al
    . Effect of testing and treatment on emergency department length of stay using a national database. Acad Emerg Med 2012;19:525–34 doi:10.1111/j.1553-2712.2012.01353.x pmid:22594356
    CrossRefPubMedWeb of Science
  42. 42.↵
    1. Sodickson AD,
    2. Primak A,
    3. Abhishek KR
    . Work-flow evaluation of a new fully automated dual-energy CT post-processing configuration. Abstract presented at RSNA Nov 26- Dec 1, 2017. Oak Brook, IL; 2017.
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Cite this article
Ngoc-Anh Tran, Christopher A. Potter, Camden Bay, Aaron D. Sodickson
Change in Emergency Department Length of Stay following Routine Adoption of Dual-Energy CT to Differentiate Intracranial Hemorrhage from Calcification
American Journal of Neuroradiology May 2025, DOI: 10.3174/ajnr.A8610

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Length of Stay Changes After Dual-Energy CT
Ngoc-Anh Tran, Christopher A. Potter, Camden Bay, Aaron D. Sodickson
American Journal of Neuroradiology May 2025, DOI: 10.3174/ajnr.A8610
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