Left-ventricular non-compaction-comparison between different techniques of quantification of trabeculations: Should the diagnostic thresholds be modified?

Valeria Donghi, Farouk Tradi, Andreina Carbone, Marie Viala, Guillaume Gaubert, Karine Nguyen, Patricia Reant, Erwan Donal, Jean-Christophe Eicher, Christine Selton-Suty, Olivier Huttin, Noemie Resseguier, Nicolas Michel, Marco Guazzi, Alexis Jacquier, Gilbert Habib

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Diagnosis of left ventricular non-compaction (LVNC) is challenging, and different imaging techniques propose different criteria.

AIM: To compare the value of two-dimensional transthoracic echocardiography (2D-TTE) and cardiac magnetic resonance (CMR) criteria in diagnosing LVNC, and to test a new trabecular quantification method obtained by 2D-TTE, exploring its relationship with CMR non-compacted mass quantification.

METHODS: From a multicentre French study, we selected 48 patients with LVNC and 20 with dilated cardiomyopathy (DCM) who underwent 2D-TTE and CMR. Current 2D-TTE (Jenni et al.) and CMR criteria (Petersen et al., Jacquier et al.), were tested. A new 2D-TTE method of trabecular quantification (percentage of trabecular area) was also proposed, and compared with current criteria.

RESULTS: The best cut-off values for the diagnosis of LVNC were a non-compacted/compacted ratio≥2.3 (Petersen et al.), a trabeculated left ventricular mass≥20% (Jacquier et al.) and a non-compacted/compacted ratio≥1.8 (Jenni et al.). Lowering the threshold for the criterion of Jenni et al. from>2 to ≥1.8 improved its sensitivity from 69% to 98%. The 2D-TTE percentage of trabecular area was 25.9±8% in the LVNC group vs. 9.9±4.4% in the DCM group (P<0.05), and was well correlated with CMR non-compacted mass (r=0.65; P<0.05). A 15.8% threshold value for 2D-TTE percentage of trabecular area predicted LVNC diagnosis with a specificity of 95% and a sensitivity of 92%; its sensitivity was better than that for the criteria of Jenni et al. (P<0.01) and Petersen et al. (P=0.03).

CONCLUSIONS: Revision of the current threshold for the criterion of Jenni et al. from>2 to ≥1.8 is necessary to improve LVNC diagnosis in patients with left ventricular dysfunction. A new 2D-TTE trabecular quantification method improves TTE diagnosis of LVNC.

Original languageEnglish
Pages (from-to)321-331
Number of pages11
JournalArchives of Cardiovascular Diseases
Volume113
Issue number5
DOIs
Publication statusPublished - May 2020

Keywords

  • Adult
  • Cardiomyopathy, Dilated/diagnostic imaging
  • Diagnosis, Differential
  • Echocardiography
  • Female
  • France
  • Heart Ventricles/abnormalities
  • Humans
  • Isolated Noncompaction of the Ventricular Myocardium/diagnostic imaging
  • Magnetic Resonance Imaging, Cine
  • Male
  • Middle Aged
  • Predictive Value of Tests
  • Prospective Studies
  • Registries
  • Reproducibility of Results

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