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Contrast-Enhanced Subharmonic Aided Pressure Estimation (SHAPE) Using Ultrasound Imaging with a Focus on Identifying Portal Hypertension
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Bioengineering
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JoVE Journal Bioengineering
Contrast-Enhanced Subharmonic Aided Pressure Estimation (SHAPE) Using Ultrasound Imaging with a Focus on Identifying Portal Hypertension

Contrast-Enhanced Subharmonic Aided Pressure Estimation (SHAPE) Using Ultrasound Imaging with a Focus on Identifying Portal Hypertension

DOI:
10.3791/62050-v

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06:20 min

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December 05, 2020

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, , , , , ,
1Department of Radiology,Thomas Jefferson University, 2School of Biomedical Engineering, Sciences and Health Systems,Drexel University, 3Department of Medicine, Division of Gastroenterology and Hepatology,Thomas Jefferson University, 4GE Global Research

Chapters

  • 00:04Introduction
  • 00:31Ultrasound Contrast Agent (UCA) Preparation
  • 01:38Initial Ultrasound Imaging
  • 02:43Subharmonic Imaging (SHI) and Subharmonic‐Aided Pressure Estimation (SHAPE) Imaging
  • 04:35Results: Representative SHAPE Imaging
  • 05:50Conclusion

Summary

Automatic Translation

Automatic Translation

A protocol for noninvasively estimating ambient pressures utilizing subharmonic ultrasound imaging of infused contrast microbubbles (following appropriate calibration) is described with examples from human patients with chronic liver disease.

Tags

Contrast-Enhanced Subharmonic Aided Pressure Estimation (SHAPE)Ultrasound ImagingPortal HypertensionContrast AgentMicrobubblesSubharmonic ImagingTime Intensity Curve Analysis

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