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Table 2 Advantages and limitations of tissue Doppler and speckle tracking based deformation imaging

From: Tissue Doppler, Strain and Strain Rate in ischemic heart disease “How I do it”

  Advantages Limitations
Tissue Doppler - High temporal resolution - Dedicated image acquisition needed.
  - Robust in case of limited image quality - One dimensional: measures deformation along the ultrasound beam direction
  - Easy recognition of artefacts, easy assessment of data quality  
   - Noisy data, sensitive to stationary artefacts
  - Fast qualitative analysis: curves readily available by moving the mouse pointer over the myocardium (no post- processing needed)  
   - Region of interest must be tracked to keep the same position within the myocardium
   - Training needed
Speckle tracking - Standard 2D images used for analysis - Lower temporal resolution
   - Strong dependence on image quality
  - Two-dimensional analysis possible  
   - Intensive regularization and drift correction with limited options for user interaction
  - Less noisy data  
  - Very user friendly  
   - Difficult assessment of data quality
  - Easy post-processing, wealth of graphical displays  
   - Intervendor differences in parameter definitions and measurement algorithms
  - Highly automated extraction of derived parameters  
   - Need for training underestimated