Association between right ventricular longitudinal strain and cardiovascular events in patients with cardiac sarcoidosis

Published:August 16, 2022DOI:


      • RVFWLS was associated with MACEs and active RV involvement in patients with CS.
      • Patients with MACEs showed a worsening in RVFWLS after steroid therapy.
      • RVFWLS could be a surrogate of poor prognosis and active CS involvement.



      While right ventricular (RV) involvement is commonly observed in patients with cardiac sarcoidosis (CS), the utility of strain imaging to detect RV involvement is unclear. We aimed to investigate the association between RV free wall longitudinal strain (RVFWLS) and cardiovascular events in patients with CS.


      We studied 51 patients with CS who were diagnosed between 2012 and 2020. All patients underwent comprehensive echocardiographic evaluation, and RVFWLS was assessed using 2-dimensional speckle tracking echocardiography. The primary outcome was major adverse cardiovascular events (MACEs).


      During a median follow-up duration of 548 days, 11 patients exhibited MACEs. In the univariable Cox proportional hazards model, the baseline RVFWLS was associated with MACEs (hazard ratio: 1.29, p = 0.008). The addition of RVFWLS to the conventional echocardiographic parameters exhibited a significant incremental value associated with MACEs. Patients with reduced RVFWLS showed a higher prevalence of late gadolinium enhancement on cardiac magnetic resonance imaging in RV wall (p = 0.02) and trends toward higher prevalence of fluorodeoxyglucose uptake in RV (p = 0.06). A serial echocardiographic evaluation revealed that patients with events showed a worsening in RVFWLS, while others showed a trend toward improvement.


      Impaired RVFWLS at baseline was associated with MACEs in patients with CS. RVFWLS could be an important surrogate of disease activity and prognosis by detecting active RV involvement in CS.

      Graphical abstract


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