Role of transvalvular gradient in outcome from valve replacement for aortic stenosis Arjuna Weerasinghe, FRCS, PhD, Merangani Yusuf, FRCS, Thanos Athanasiou,

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Role of transvalvular gradient in outcome from valve replacement for aortic stenosis Arjuna Weerasinghe, FRCS, PhD, Merangani Yusuf, FRCS, Thanos Athanasiou, PhD, Alan Wood, FRCS, Patrick Magee, FRCS, Rakesh Uppal, FRCS The Annals of Thoracic Surgery Volume 77, Issue 4, Pages 1266-1271 (April 2004) DOI: 10.1016/j.athoracsur.2003.10.003

Fig 1 Scatterplot illustrating the association between age and TVG. The regression equation demonstrated, TVG = 45.3 + 0.62 × Age (in years). (TVG = transvalvular gradient.) The Annals of Thoracic Surgery 2004 77, 1266-1271DOI: (10.1016/j.athoracsur.2003.10.003)

Fig 2 Kaplan-Meier curves comparing medium-term outcome in patients with TVG more than 100 mm Hg and those with TVG less than or equal to 100 mm Hg. Survival time was 42.04 ± 1.5 months and 42.21 ± 1.23 months, respectively (log rank value of 0.01 and p = 0.92). (TVG = transvalvular gradient.) The Annals of Thoracic Surgery 2004 77, 1266-1271DOI: (10.1016/j.athoracsur.2003.10.003)

Fig 3 Kaplan-Meier curves comparing medium-term outcome in patients receiving a valve size > 19 with those receiving a valve size = 19. Survival time was 42.6 ± 0.89 months and 36 ± 3.6 months, respectively (log rank value of 5.61 and p = 0.017). The Annals of Thoracic Surgery 2004 77, 1266-1271DOI: (10.1016/j.athoracsur.2003.10.003)