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Original article
Right ventricular remodelling in systemic hypertension: a cardiac MRI study
  1. Giancarlo Todiere1,2,
  2. Danilo Neglia1,
  3. Sergio Ghione1,
  4. Enza Fommei1,
  5. Paola Capozza2,
  6. Giacinta Guarini2,
  7. Giulia Dell'Omo2,
  8. Giovanni Donato Aquaro1,
  9. Mario Marzilli2,
  10. Massimo Lombardi1,
  11. Paolo Camici3,
  12. Roberto Pedrinelli2
  1. 1Istituto di Fisiologia Clinica, Fondazione G Monasterio, Pisa, Italy
  2. 2Dipartimento Cardio Toracico e Vascolare, Università di Pisa, Pisa, Italy
  3. 3Dipartimento Cardio-Toraco-Vascolare, Università Vita-Salute and Istituto Scientifico San Raffaele, Milano, Italy
  1. Correspondence to Professor Roberto Pedrinelli, Dipartimento Cardio Toracico e Vascolare, Università di Pisa, 56100 Pisa, Italy; r.pedrinelli{at}


Background Consistent evidence shows an impact of systemic haemodynamic overload on the right ventricle, but its functional and structural consequences have received scarce attention for several reasons including the difficult application of conventional imaging techniques due to the complex shape and orientation of that cardiac chamber.

Aims To evaluate whether mild to moderate, uncomplicated hypertension associates with abnormal right ventricular structure and function and how those changes relate to homologous changes in the left ventricle. Data were acquired by steady-state free-precession cardiac MRI, the state of the art tool for the morphological and functional evaluation of the right ventricle.

Materials and methods Twenty-five (12 women) uncomplicated, untreated, essential hypertensive patients were compared with 24 (13 women) sedentary normotensive controls of comparable age. Wall thickness, indexed ventricular mass, end-diastolic volumes, early peak filling rate, a correlate of diastolic relaxation, and ejection fraction were measured at both ventricles. Remodelling index, the ratio of ventricular mass to end-diastolic volume, was used as an index of concentricity.

Results Right ventricular mass index, ventricular wall thickness and remodelling index were greater in hypertensive subjects and associated with reduced peak filling rate, a pattern consistent with concentric right ventricular remodelling. In the hypertensive group, positive, highly significant biventricular correlations existed between indexed mass, early peak filling rate and ejection fraction.

Conclusions Systemic hypertension associates with concentric right ventricular remodelling and impaired diastolic function, confirming that the unstressed ventricle is not immune to the effects of systemic hypertension. Structural and functional right ventricular adaptation to systemic hypertension tends to parallel the homologous modifications induced by systemic haemodynamic overload on the left ventricle.

  • Cardiac magnetic resonance
  • cardiac remodelling
  • essential hypertension
  • hypertension
  • left ventricular hypertrophy
  • MRI
  • right ventricle
  • ventricular remodelling

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  • Competing interests None.

  • Patient consent Obtained.

  • Ethics approval This study was conducted with the approval of the Ethics Committee, Azienda Ospedaliera Universitaria Pisana.

  • Provenance and peer review Not commissioned; externally peer reviewed.