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A Novel Speckle-Tracking Based Method for Quantifying Tricuspid Annular Velocities in TEE.
Eckhard Mauermann1, Michael Vandenheuvel2, Katrien François3
1Department for Anesthesiology and Perioperative Medicine, Ghent University Hospital, Ghent, Belgium; Department for Anesthesiology, Surgical Intensive Care, Prehospital Emergency Medicine, and Pain Therapy, Basel University Hospital, Basel, Switzerland.
Journal of Cardiothoracic and Vascular Anesthesia
|July 27, 2019
Summary
Speckle tracking in transesophageal echocardiography (TEE) shows promising results for measuring tricuspid annular velocities, correlating well with traditional transthoracic echocardiography (TTE) methods. This technique may aid in perioperative right ventricle assessment.
Area of Science:
- Cardiovascular Imaging
- Echocardiography
- Cardiac Surgery
Background:
- Tricuspid annular velocities are crucial for assessing right ventricular function.
- Traditional methods like tissue Doppler imaging (TDI) in transthoracic echocardiography (TTE) are commonly used.
- Novel speckle-tracking echocardiography (STE) offers an alternative measurement technique.
Purpose of the Study:
- To compare tricuspid annular velocities measured by a novel speckle-tracking method in the midesophageal 4-chamber view (ME4C) with those measured by tissue Doppler in the apical 4-chamber view (AP4C).
- To evaluate the agreement between speckle-tracking-based tricuspid annular plane systolic excursion (TAPSE) in ME4C and M-mode TAPSE in AP4C.
- To determine if STE in TEE can serve as a reliable surrogate for TDI in TTE for perioperative right ventricular assessment.
Main Methods:
- Prospective diagnostic study involving adult patients undergoing cardiac surgery.
- Randomized order of echocardiographic views using TTE (AP4C) and TEE (ME4C) post-induction.
- Independent image acquisition and analysis by two echocardiographers.
Main Results:
- Speckle-tracking derived S' (S'STE) in ME4C strongly correlated and agreed with TDI-derived S' (S'TDI) in AP4C (r=0.78).
- Similar agreement was observed for E' (E'STE vs E'TDI, r=0.71), but not for A'.
- Modified STE-based TAPSE measurements were comparable to M-mode TAPSE.
Conclusions:
- Tricuspid annular velocities (S'STE, E'STE) measured by speckle tracking in TEE are promising surrogates for TTE measurements.
- This finding holds potential significance for perioperative right ventricular function assessment.
- STE in TEE may offer a valuable alternative for evaluating tricuspid annular dynamics.
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