Advertisement

Welcome to the new AJNR, Updated Hall of Fame, and more. Read the full announcements.

AJNR is seeking candidates for the position of Associate Section Editor, AJNR Case Collection. Read the full announcement.

 

Research ArticleADULT BRAIN
Open Access

Effect of CTA Tube Current on Spot Sign Detection and Accuracy for Prediction of Intracerebral Hemorrhage Expansion

A. Morotti, J.M. Romero, M.J. Jessel, H.B. Brouwers, R. Gupta, K. Schwab, A. Vashkevich, A. Ayres, C.D. Anderson, M.E. Gurol, A. Viswanathan, S.M. Greenberg, J. Rosand and J.N. Goldstein
American Journal of Neuroradiology October 2016, 37 (10) 1781-1786; DOI: https://doi.org/10.3174/ajnr.A4810

References

  1. 1.↵
    2. Demchuk AM,
    3. Dowlatshahi D,
    4. Rodriguez-Luna D, et al
    . Prediction of haematoma growth and outcome in patients with intracerebral haemorrhage using the CT-angiography spot sign (PREDICT): a prospective observational study. Lancet Neurol 2012;11:307–14 doi:10.1016/S1474-4422(12)70038-38 pmid:22405630
    CrossRefPubMed
  2. 2.↵
    2. Brouwers HB,
    3. Goldstein JN,
    4. Romero JM, et al
    . Clinical applications of the computed tomography angiography spot sign in acute intracerebral hemorrhage: a review. Stroke 2012;43:3427–32 doi:10.1161/STROKEAHA.112.664003 pmid:23132779
    FREE Full Text
  3. 3.↵
    2. Havsteen I,
    3. Ovesen C,
    4. Christensen AF, et al
    . Showing no spot sign is a strong predictor of independent living after intracerebral haemorrhage. Cerebrovasc Dis 2014;37:164–70 doi:10.1159/000357397 pmid:24525481
    CrossRefPubMed
  4. 4.↵
    2. Huynh TJ,
    3. Demchuk AM,
    4. Dowlatshahi D, et al
    . Spot sign number is the most important spot sign characteristic for predicting hematoma expansion using first-pass computed tomography angiography: analysis from the PREDICT study. Stroke 2013;44:972–77 doi:10.1161/STROKEAHA.111.000410 pmid:23444309
    Abstract/FREE Full Text
  5. 5.↵
    2. Wada R,
    3. Aviv RI,
    4. Fox AJ, et al
    . CT angiography “spot sign” predicts hematoma expansion in acute intracerebral hemorrhage. Stroke 2007;38:1257–62 doi:10.1161/01.STR.0000259633.59404.f3 pmid:17322083
    Abstract/FREE Full Text
  6. 6.↵
    2. Romero JM,
    3. Brouwers HB,
    4. Lu J, et al
    . Prospective validation of the computed tomographic angiography spot sign score for intracerebral hemorrhage. Stroke 2013;44:3097–102 doi:10.1161/STROKEAHA.113.002752 pmid:24021687
    Abstract/FREE Full Text
  7. 7.↵
    2. Goldstein JN,
    3. Fazen LE,
    4. Snider R, et al
    . Contrast extravasation on CT angiography predicts hematoma expansion in intracerebral hemorrhage. Neurology 2007;68:889–94 doi:10.1212/01.wnl.0000257087.22852.21 pmid:17372123
    Abstract/FREE Full Text
  8. 8.↵
    2. Brenner DJ,
    3. 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
  9. 9.↵
    2. Mnyusiwalla A,
    3. Aviv RI,
    4. Symons SP
    . Radiation dose from multidetector row CT imaging for acute stroke. Neuroradiology 2009;51:635–40 doi:10.1007/s00234-009-0543-46 pmid:19506845
    CrossRefPubMedWeb of Science
  10. 10.↵
    2. Cohnen M,
    3. Fischer H,
    4. Hamacher J, et al
    . CT of the head by use of reduced current and kilovoltage: relationship between image quality and dose reduction. AJNR Am J Neuroradiol 2000;21:1654–60 pmid:11039345
    Abstract/FREE Full Text
  11. 11.↵
    2. Smith AB,
    3. Dillon WP,
    4. Gould R, et al
    . Radiation dose-reduction strategies for neuroradiology CT protocols. AJNR Am J Neuroradiol 2007;28:1628–32 doi:10.3174/ajnr.A0814 pmid:17893208
    Abstract/FREE Full Text
  12. 12.↵
    2. Biffi A,
    3. Cortellini L,
    4. Nearnberg CM, et al
    . Body mass index and etiology of intracerebral hemorrhage. Stroke 2011;42:2526–30 doi:10.1161/STROKEAHA.111.617225 pmid:21778442
    Abstract/FREE Full Text
  13. 13.↵
    2. Brouwers HB,
    3. Chang Y,
    4. Falcone GJ, et al
    . Predicting hematoma expansion after primary intracerebral hemorrhage. JAMA Neurol 2014;71:158–64 doi:10.1001/jamaneurol.2013.5433 pmid:24366060
    CrossRefPubMed
  14. 14.↵
    2. Delgado Almandoz JE,
    3. Yoo AJ,
    4. Stone MJ, et al
    . The spot sign score in primary intracerebral hemorrhage identifies patients at highest risk of in-hospital mortality and poor outcome among survivors. Stroke 2010;41:54–60 doi:10.1161/STROKEAHA.109.565382 pmid:19910545
    Abstract/FREE Full Text
  15. 15.↵
    2. Delgado Almandoz JE,
    3. Kelly HR,
    4. Schaefer PW, et al
    . CT angiography spot sign predicts in-hospital mortality in patients with secondary intracerebral hemorrhage. J Neurointerv Surg 2012;4:442–47 doi:10.1136/neurintsurg-2011-010061 pmid:22003048
    Abstract/FREE Full Text
  16. 16.↵
    2. Delgado Almandoz JE,
    3. Yoo AJ,
    4. Stone MJ, et al
    . Systematic characterization of the computed tomography angiography spot sign in primary intracerebral hemorrhage identifies patients at highest risk for hematoma expansion: the spot sign score. Stroke 2009;40:2994–3000 doi:10.1161/STROKEAHA.109.554667 pmid:19574553
    Abstract/FREE Full Text
  17. 17.↵
    2. Li N,
    3. Wang Y,
    4. Wang W, et al
    . Contrast extravasation on computed tomography angiography predicts clinical outcome in primary intracerebral hemorrhage: a prospective study of 139 cases. Stroke 2011;42:3441–46 doi:10.1161/STROKEAHA.111.623405 pmid:21980207
    Abstract/FREE Full Text
  18. 18.↵
    2. Macellari F,
    3. Paciaroni M,
    4. Agnelli G, et al
    . Neuroimaging in intracerebral hemorrhage. Stroke 2014;45:903–08 doi:10.1161/STROKEAHA.113.003701 pmid:24425128
    FREE Full Text
  19. 19.↵
    2. Kumamaru KK,
    3. Hoppel BE,
    4. Mather RT, et al
    . CT angiography: current technology and clinical use. Radiol Clin North Am 2010;48:213–35 doi:10.1016/j.rcl.2010.02.006 pmid:20609871
    CrossRefPubMed
  20. 20.↵
    2. Waaijer A,
    3. Prokop M,
    4. Velthuis BK, et al
    . Circle of Willis at CT angiography: dose reduction and image quality–reducing tube voltage and increasing tube current settings. Radiology 2007;242:832–39 doi:10.1148/radiol.2423051191 pmid:17229873
    CrossRefPubMedWeb of Science
  21. 21.↵
    2. Radmanesh F,
    3. Falcone GJ,
    4. Anderson CD, et al
    . Risk factors for computed tomography angiography spot sign in deep and lobar intracerebral hemorrhage are shared. Stroke 2014;45:1833–35 doi:10.1161/STROKEAHA.114.005276 pmid:24876264
    Abstract/FREE Full Text
  22. 22.↵
    2. Solomon JB,
    3. Li X,
    4. Samei E
    . Relating noise to image quality indicators in CT examinations with tube current modulation. AJR Am J Roentgenol 2013;200:592–600 doi:10.2214/AJR.12.8580 pmid:23436849
    CrossRefPubMed
  23. 23.↵
    2. Gupta R,
    3. Phan CM,
    4. Leidecker C, et al
    . Evaluation of dual-energy CT for differentiating intracerebral hemorrhage from iodinated contrast material staining. Radiology 2010;257:205–11 doi:10.1148/radiol.10091806 pmid:20679449
    CrossRefPubMedWeb of Science
  24. 24.↵
    2. Won SY,
    3. Schlunk F,
    4. Dinkel J, et al
    . Imaging of contrast medium extravasation in anticoagulation-associated intracerebral hemorrhage with dual-energy computed tomography. Stroke 2013;44:2883–90 doi:10.1161/STROKEAHA.113.001224 pmid:23920016
    Abstract/FREE Full Text
  25. 25.↵
    2. Raman SP,
    3. Mahesh M,
    4. Blasko RV, et al
    . CT scan parameters and radiation dose: practical advice for radiologists. J Am Coll Radiol 2013;10:840–46 doi:10.1016/j.jacr.2013.05.032 pmid:24183553
    CrossRefPubMed
  26. 26.↵
    2. Khosravani H,
    3. Mayer SA,
    4. Demchuk A, et al
    . Emergency noninvasive angiography for acute intracerebral hemorrhage. AJNR Am J Neuroradiol 2013;34:1481–87 doi:10.3174/ajnr.A3296
    Abstract/FREE Full Text
  27. 27.↵
    2. Goldstein J,
    3. Brouwers H,
    4. Romero J, et al
    . SCORE-IT: the Spot Sign score in restricting ICH growth—an Atach-II ancillary study. J Vasc Interv Neurol 2012;5:20–25
    PubMed
  28. 28.↵
    2. Meretoja A,
    3. Churilov L,
    4. Campbell BC, et al
    . The spot sign and tranexamic acid on preventing ICH growth–AUStralasia Trial (STOP-AUST): protocol of a phase II randomized, placebo-controlled, double-blind, multicenter trial. Int J Stroke 2014;9:519–24 doi:10.1111/ijs.12132 pmid:23981692
    Abstract/FREE Full Text
  29. 29.↵
    2. Ciura VA.,
    3. Brouwers HB,
    4. Pizzolato R, et al
    . Spot sign on 90-second delayed computed tomography angiography improves sensitivity for hematoma expansion and mortality: prospective study. Stroke 2014;45:3293–97 doi:10.1161/STROKEAHA.114.005570 pmid:25300974
    Abstract/FREE Full Text
Back to top

In this issue

Advertisement
Print
Download PDF
Email Article
Cite this article
0 Responses
Respond to this article
Bookmark this article
Effect of CTA Tube Current on Spot Sign Detection and Accuracy for Prediction of Intracerebral Hemorrhage Expansion
A. Morotti, J.M. Romero, M.J. Jessel, H.B. Brouwers, R. Gupta, K. Schwab, A. Vashkevich, A. Ayres, C.D. Anderson, M.E. Gurol, A. Viswanathan, S.M. Greenberg, J. Rosand, J.N. Goldstein
American Journal of Neuroradiology Oct 2016, 37 (10) 1781-1786; DOI: 10.3174/ajnr.A4810
del.icio.us logo Twitter logo Facebook logo Mendeley logo
Purchase

Jump to section

Related Articles

  • No related articles found.

Cited By...

More in this TOC Section

Similar Articles

Advertisement