Implementation of shear wave elastography on pediatric cardiac transducers with pulse-inversion harmonic imaging and time-aligned sequential tracking

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Monitoring myocardial stiffness changes with shear wave elastography (SWE) has promising potential for assessing chemotherapy-induced cardiotoxicity for pediatric cancer patients. While ultrasound B-scan with adult cardiac probes on children is commonly acceptable, SWE can be challenging due to the narrow intercostal spaces of children, which hinders the effective transmission of the push beam and detection beam for shear wave generation and shear wave detection. This study aimed at addressing this challenge by implementing cardiac SWE on a pediatric cardiac probe (P7-4) with pulse-inversion harmonic imaging (PIHI) and time-aligned sequential tracking (TAST). The performance of the proposed pediatric cardiac SWE sequence (P7-4 PIHI-TAST) was systematically compared with an adult cardiac transducer equipped with the same PIHI and TAST cardiac SWE sequence (P4-2 PIHI-TAST), and a pediatric cardiac SWE sequence with fundamental imaging TAST shear wave detection (P7-4 Fundamental-TAST). In vivo transthoracic scans in healthy pediatric volunteers demonstrated substantial improvement of shear wave signal quality using the P7-4 PIHI-TAST sequence, as compared to the adult P4-2 PIHI-TAST sequence and the pediatric P7-4 Fundamental-TAST sequence. The results showed higher increase in SWE success rate among younger children when using the pediatric transducer. Also agreeing with previous studies, this study demonstrated that PIHI shear wave detection could substantially improve the shear wave signal quality as compared to fundamental imaging shear wave detection.

Original languageEnglish (US)
Title of host publication2015 IEEE International Ultrasonics Symposium, IUS 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781479981823
DOIs
StatePublished - Nov 13 2015
EventIEEE International Ultrasonics Symposium, IUS 2015 - Taipei, Taiwan, Province of China
Duration: Oct 21 2015Oct 24 2015

Other

OtherIEEE International Ultrasonics Symposium, IUS 2015
CountryTaiwan, Province of China
CityTaipei
Period10/21/1510/24/15

Fingerprint

S waves
transducers
inversions
harmonics
pulses
probes
wave generation
chemotherapy
stiffness
cancer

Keywords

  • acoustic radiation force
  • dual-frequency
  • harmonic imaging
  • mechanical vibration
  • shear wave detection

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Implementation of shear wave elastography on pediatric cardiac transducers with pulse-inversion harmonic imaging and time-aligned sequential tracking. / Song, Pengfei; Bi, Xiaojun; Mellema, Daniel C.; Manduca, Armando; Urban, Matthew W; Chen, Shigao D; Greenleaf, James F.

2015 IEEE International Ultrasonics Symposium, IUS 2015. Institute of Electrical and Electronics Engineers Inc., 2015. 7329505.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Song, P, Bi, X, Mellema, DC, Manduca, A, Urban, MW, Chen, SD & Greenleaf, JF 2015, Implementation of shear wave elastography on pediatric cardiac transducers with pulse-inversion harmonic imaging and time-aligned sequential tracking. in 2015 IEEE International Ultrasonics Symposium, IUS 2015., 7329505, Institute of Electrical and Electronics Engineers Inc., IEEE International Ultrasonics Symposium, IUS 2015, Taipei, Taiwan, Province of China, 10/21/15. https://doi.org/10.1109/ULTSYM.2015.0037
Song P, Bi X, Mellema DC, Manduca A, Urban MW, Chen SD et al. Implementation of shear wave elastography on pediatric cardiac transducers with pulse-inversion harmonic imaging and time-aligned sequential tracking. In 2015 IEEE International Ultrasonics Symposium, IUS 2015. Institute of Electrical and Electronics Engineers Inc. 2015. 7329505 https://doi.org/10.1109/ULTSYM.2015.0037
Song, Pengfei ; Bi, Xiaojun ; Mellema, Daniel C. ; Manduca, Armando ; Urban, Matthew W ; Chen, Shigao D ; Greenleaf, James F. / Implementation of shear wave elastography on pediatric cardiac transducers with pulse-inversion harmonic imaging and time-aligned sequential tracking. 2015 IEEE International Ultrasonics Symposium, IUS 2015. Institute of Electrical and Electronics Engineers Inc., 2015.
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abstract = "Monitoring myocardial stiffness changes with shear wave elastography (SWE) has promising potential for assessing chemotherapy-induced cardiotoxicity for pediatric cancer patients. While ultrasound B-scan with adult cardiac probes on children is commonly acceptable, SWE can be challenging due to the narrow intercostal spaces of children, which hinders the effective transmission of the push beam and detection beam for shear wave generation and shear wave detection. This study aimed at addressing this challenge by implementing cardiac SWE on a pediatric cardiac probe (P7-4) with pulse-inversion harmonic imaging (PIHI) and time-aligned sequential tracking (TAST). The performance of the proposed pediatric cardiac SWE sequence (P7-4 PIHI-TAST) was systematically compared with an adult cardiac transducer equipped with the same PIHI and TAST cardiac SWE sequence (P4-2 PIHI-TAST), and a pediatric cardiac SWE sequence with fundamental imaging TAST shear wave detection (P7-4 Fundamental-TAST). In vivo transthoracic scans in healthy pediatric volunteers demonstrated substantial improvement of shear wave signal quality using the P7-4 PIHI-TAST sequence, as compared to the adult P4-2 PIHI-TAST sequence and the pediatric P7-4 Fundamental-TAST sequence. The results showed higher increase in SWE success rate among younger children when using the pediatric transducer. Also agreeing with previous studies, this study demonstrated that PIHI shear wave detection could substantially improve the shear wave signal quality as compared to fundamental imaging shear wave detection.",
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