The ABCs of measuring intracerebral hemorrhage volumes

Rashmi U. Kothari, Thomas Brott, Joseph P. Broderick, William G. Barsan, Laura R. Sauerbeck, Mario Zuccarello, Jane Khoury

Research output: Contribution to journalArticle

1202 Scopus citations

Abstract

Background and Purpose: Hemorrhage volume is a powerful predictor of 30- day mortality after spontaneous intracerebral hemorrhage (ICH). We compared a bedside method of measuring CT ICH volume with measurements made by computer- assisted planimetric image analysis. Methods: The formula ABC/2 was used, where A is the greatest hemorrhage diameter by CT, B is the diameter 90° to A, and C is the approximate number of CT slices with hemorrhage multiplied by the slice thickness. Results: The ICH volumes for 118 patients were evaluated in a mean of 38 seconds and correlated with planimetric measurements (R2= .96). Interrater and intrarater reliability were excel lent, with an intraclass correlation of .99 for both. Conclusions: We conclude that ICH volume can be accurately estimated in less than 1 minute with the simple formula ABC/2.

Original languageEnglish (US)
Pages (from-to)1304-1305
Number of pages2
JournalStroke
Volume27
Issue number8
DOIs
StatePublished - Aug 1996

Keywords

  • blood volume
  • computed tomography
  • intracerebral hemorrhage

ASJC Scopus subject areas

  • Clinical Neurology
  • Cardiology and Cardiovascular Medicine
  • Advanced and Specialized Nursing

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  • Cite this

    Kothari, R. U., Brott, T., Broderick, J. P., Barsan, W. G., Sauerbeck, L. R., Zuccarello, M., & Khoury, J. (1996). The ABCs of measuring intracerebral hemorrhage volumes. Stroke, 27(8), 1304-1305. https://doi.org/10.1161/01.STR.27.8.1304