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Table 3 Median values of FMD and NMD

From: Effect of ivabradine-induced heart rate reduction on flow-mediated dilation measured with high-sensitivity ultrasound in patients with stable coronary heart disease

 

Baseline

Acute effect

Sustained effect

 

8.00 a.m.

12.00 a.m.

8.00 a.m.

12.00 a.m.

8.00 a.m.

FMDbase (mm)

3.8 [3.3-4.2]

3.8 [3.4-4.2]

3.7 [3.3-4.2]

3.6 [3.3-4.1]

3.6 [3.4-4.3]

FMDmax(mm)

3.9 [3.5-4.3]

4.0 [3.6-4.3]

3.8 [3.5-4.3]

3.9 [3.5-4.3]

3.8 [3.6-4.4]

FMDmax (%)

4.8 [2.4-6.5]

5.3 [2.2-7.5]

5.0 [2.4-7.9]

4.9 [2.7-9.8]

6.1 [4.3-8.2]

NMDbase (mm)

3.6 [3.2-4.2]

4.1 [3.4-4.2]

3.8 [3.1-4.4]

4.1 [3.3-4.4]

3.7 [3.3-4.2]

NMDmax (mm)

4.4 [4.1-4.8]

4.4 [4.2-4.9]

4.4 [3.9-5.0]

4.4 [4.1-5.1]

4.4 [4.1-4.9]

NMDmax (%)

19.1 [13.2-25.7]

17.0 [12.5-23.7]

16.7 [13.0-24.6]

17.3 [9.8-23.7]

21.1 [13.5-29.6]

  1. Values are presented as median values (Q1 – Q3). FMDbase: diameter of brachial artery before hyperaemic stimulus; FMDmax : maximum dilation of brachial artery after hyperaemic stimulus, shown in mm as maximum percentage change in brachial artery diameter compared with FMDbase; NMDbase: diameter of brachial artery before application of 0.4 mg nitroglycerine; NMDmax: maximum dilation of brachial artery after application of 0.4 mg nitroglycerine, shown in mm and as maximum percentage change in brachial artery diameter compared with FMDbase.. Baseline: FMD at 08.00 and 12.00 at study visit 1 (without ivabradine); Acute effect: FMD before and 4 hours after first intake of 7,5 mg ivabradine; Sustained effect: FMD after 4 weeks of ivabradine intake twice daily (10 to 15 mg).