Table 4 Change from baseline haemodynamic values in response to GTN
From: Augmentation index assessed by applanation tonometry is elevated in Marfan Syndrome
Control (n = 10) | MFS (n = 10) | ||||
|---|---|---|---|---|---|
Mean change | p | Mean change | p | ||
Heart rate, bpm | 0.6 (3.6) | NS | 2.7 (6.1) | NS | |
Mean arterial pressure, mmHg | -7.0 (5.3) | 0.002 | -4.1 (8.4) | NS | |
Pulse pressure, mmHg | Brachial | 0.5 (9.4) | NS | 5.1 (8.2) | NS |
Carotid | 0.4 (10.1) | NS | 1.1 (6.0) | NS | |
Augmentation index, % | Radial | -14.7 (13.1) | 0.006 | -21.8 (12.1) | 0.0003 |
Carotid | -8.7 (8.2) | 0.008 | -10.8 (10.8) | 0.011 | |
Aortic pulse wave velocity, m/s | -0.1 (0.5) | NS | 0.1 (0.5) | NS | |