Comment on

• Impairment in cardiac autonomic regulation preceding arterial hypertension in humans: insights from spectral analysis of beat-by-beat cardiovascular variability.

  Lucini D, Mela GS, Malliani A, Pagani M. Lucini D, et al. Circulation. 2002 Nov 19;106(21):2673-9. doi: 10.1161/01.cir.0000039106.89299.ab. Circulation. 2002. PMID: 12438292 Clinical Trial.
• Outcomes after aortic valve replacement in patients with severe aortic regurgitation and markedly reduced left ventricular function.

  Chaliki HP, Mohty D, Avierinos JF, Scott CG, Schaff HV, Tajik AJ, Enriquez-Sarano M. Chaliki HP, et al. Circulation. 2002 Nov 19;106(21):2687-93. doi: 10.1161/01.cir.0000038498.59829.38. Circulation. 2002. PMID: 12438294 Clinical Trial.