Attempt of quantitative analysis of visual evaluation for 123I-BMIPP myocardial scintigraphy images

Eiji Ino-Oka, Satomi Chiba, Jun Urae, Makoto Sekino, Masatsugu Satoh, Kazuhisa Takeuchi, Hiroshi Sekino, Shinya Kajikawa, Hikaru Inooka

Research output: Contribution to journalArticlepeer-review

Abstract

We developed a new technique to quantitatively analyze visual evaluation single photon emission computed tomography (SPECT). Short axis tomograms and color scales were computer scanned. The scales were divided into 25 parts; numbers of each hue pixel were scored 0-100%. Short-axis images were divided into eight equal partitions, numbers of hue pixels distributed in each partition were scored, and total scores were obtained. Each partition's radio-isotope (RI) accumulation index was calculated as partition score/highest score. For method validation, scintigrams from each left ventricular phantom part were divided into eight partitions and filled with 123I-BMPP (10-100%). The error between theoretical and calculated concentrations was within 20% in the concentration range of ≥50%, suggesting a good correlation and indicating the method's validity.

Original languageEnglish
Pages (from-to)264-269
Number of pages6
JournalClinical and Experimental Hypertension
Volume33
Issue number4
DOIs
Publication statusPublished - 2011 Jul

Keywords

  • I-BMIPP
  • SPECT
  • cardiac phantom
  • myocardial scintigram

ASJC Scopus subject areas

  • Internal Medicine
  • Physiology

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