This Article Abstract Full Text Full Text (PDF) Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Rogowska, J Articles by Brezinski, M E Search for Related Content PubMed PubMed Citation Articles by Rogowska, J Articles by Brezinski, M E

Quantitative optical coherence tomographic elastography: method for assessing arterial mechanical properties

¹ Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, ² Harvard Medical School, Boston, Massachusetts, USA

View larger version (133K): [in a new window]   Figure 1. A typical optical coherence tomography(OCT) 2% phantom images after applying stress of (b) 0.772 kPa, (c) 1.595 kPa and (d) 2.062 kPa to original phantom (a). The displacement vectors are shown in red.

View larger version (16K): [in a new window]   Figure 2. Young's modulus for 1%, 2%, and 3% phantoms estimated using two techniques: callipers' measurements and OCT elastography. The bars indicate standard deviation. The differences between calliper and OCTE measurements were found to be non-significant (p = 0.6, p = 0.25 and p = 0.38 for 1%, 2% and 3% phantoms, respectively).

View larger version (136K): [in a new window]   Figure 3. Aorta images after applying stress of(b) 0.0355 kPa, (c) 0.0868 kPa and (d) 0.1273 kPa to original image (a). Figure 3a indicates location of intima (I), media (M) and glass compression plate (G). The displacement vectors are shown in red.

View larger version (83K): [in a new window]   Figure 4. Axial displacement maps for compressed aorta images shown onFigure 3.