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Evaluation of an algorithm for arterial lumen diameter measurements by means of ultrasound.

Cinthio, Magnus; Jansson, Tomas; Eriksson, Anders; Rydén Ahlgren, Åsa LU ; Persson, Hans W and Lindström, Kjell (2010) In Medical and Biological Engineering and Computing 48. p.1133-1140
Abstract
We have developed an algorithm for arterial luminal diameter measurement by means of ultrasound and evaluated the algorithm on agar vessel phantoms and in vivo. The algorithm utilises relative threshold detection on the inner slopes of the arterial walls before the resolution is improved by solving the equation of a straight line between the samples around the threshold value. Further, correction distances added to compensate for the underestimation when using the inner slopes were found to be 304 mum for the near wall and 415 mum for the far wall. The measured mean diameters of ten consecutive images of 3-, 6- and 9-mm phantoms were 3,006 mum (SD 4), 5,918 mum (SD 1) and 8,936 mum (SD 2), respectively. The mean differences between the... (More)
We have developed an algorithm for arterial luminal diameter measurement by means of ultrasound and evaluated the algorithm on agar vessel phantoms and in vivo. The algorithm utilises relative threshold detection on the inner slopes of the arterial walls before the resolution is improved by solving the equation of a straight line between the samples around the threshold value. Further, correction distances added to compensate for the underestimation when using the inner slopes were found to be 304 mum for the near wall and 415 mum for the far wall. The measured mean diameters of ten consecutive images of 3-, 6- and 9-mm phantoms were 3,006 mum (SD 4), 5,918 mum (SD 1) and 8,936 mum (SD 2), respectively. The mean differences between the images were 0.19, 0.04 and 0.37 mum, respectively. In vivo, the intra- and inter-observer variabilities were -64 mum (2SD 358) and -57 mum (2SD 366), respectively. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Medical and Biological Engineering and Computing
volume
48
pages
1133 - 1140
publisher
Springer
external identifiers
  • WOS:000282830000008
  • PMID:20635222
  • Scopus:78649319375
ISSN
0140-0118
DOI
10.1007/s11517-010-0660-8
language
English
LU publication?
yes
id
be548ce0-4ed7-42bd-bbda-46b413fbe7a4 (old id 1644889)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/20635222?dopt=Abstract
date added to LUP
2010-08-03 09:35:47
date last changed
2016-11-24 14:57:05
@misc{be548ce0-4ed7-42bd-bbda-46b413fbe7a4,
  abstract     = {We have developed an algorithm for arterial luminal diameter measurement by means of ultrasound and evaluated the algorithm on agar vessel phantoms and in vivo. The algorithm utilises relative threshold detection on the inner slopes of the arterial walls before the resolution is improved by solving the equation of a straight line between the samples around the threshold value. Further, correction distances added to compensate for the underestimation when using the inner slopes were found to be 304 mum for the near wall and 415 mum for the far wall. The measured mean diameters of ten consecutive images of 3-, 6- and 9-mm phantoms were 3,006 mum (SD 4), 5,918 mum (SD 1) and 8,936 mum (SD 2), respectively. The mean differences between the images were 0.19, 0.04 and 0.37 mum, respectively. In vivo, the intra- and inter-observer variabilities were -64 mum (2SD 358) and -57 mum (2SD 366), respectively.},
  author       = {Cinthio, Magnus and Jansson, Tomas and Eriksson, Anders and Rydén Ahlgren, Åsa and Persson, Hans W and Lindström, Kjell},
  issn         = {0140-0118},
  language     = {eng},
  pages        = {1133--1140},
  publisher    = {ARRAY(0x8de6400)},
  series       = {Medical and Biological Engineering and Computing},
  title        = {Evaluation of an algorithm for arterial lumen diameter measurements by means of ultrasound.},
  url          = {http://dx.doi.org/10.1007/s11517-010-0660-8},
  volume       = {48},
  year         = {2010},
}