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Clinical importance of late gadolinium enhancement at right ventricular insertion points in otherwise normal hearts


Late gadolinium enhancement (LGE) has an established prognostic value in otherwise normal hearts, when detected with a subepicardial or intramyocardial pattern; nevertheless, the clinical relevance of isolated right ventricular insertion point (RVIP) LGE is yet to be defined. From a retrospectively identified cohort of 2000 consecutive patients undergoing CMR, we selected 420 patients according to study’s inclusion and exclusion criteria (270 males, mean age 38 ± 17 years) with apparently normal hearts: besides 36 patients with non-ischemic pattern LGE (other-LGE group), we found isolated RVIP-LGE in 44 patients and absence of LGE (no-LGE group) in 340 patients. Clinical follow-up was performed for a median of approximately 6 years. Primary composite endpoint included cardiac death, resuscitated cardiac arrest, and appropriate implantable cardiac defibrillator shock. Prevalence of cardiac events was significantly lower in RVIP-LGE than in the other-LGE group (p = 0.006). Kaplan Meier curve analysis demonstrated no significant differences between patients with RVIP-LGE and no-LGE for the primary endpoint. On contrast, patients with other-LGE had worse prognosis than those with RVIP-LGE or no-LGE (p < 0.0001). RVIP-LGE in subjects without additional evidence of cardiac damage does not convey worse prognosis when compared to subjects without LGE and it should not be considered a marker of disease. Its diagnostic and prognostic significance is to be considered irrelevant.

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Correspondence to Chrysanthos Grigoratos.

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Grigoratos, C., Pantano, A., Meschisi, M. et al. Clinical importance of late gadolinium enhancement at right ventricular insertion points in otherwise normal hearts. Int J Cardiovasc Imaging (2020).

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  • Magnetic resonance imaging
  • Prognosis
  • Cardiomyopathy
  • Right ventricular insertion points
  • Late gadolinium enhancement
  • Junctional fibrosis