Skip to main content
. 2020 Jun 17;9(6):1897. doi: 10.3390/jcm9061897

Table 6.

Baseline and 12-month follow-up cardiopulmonary parameters in study population stratified by ARNI dose.

ARNI1 ARNI2 ARNI3
Baseline (n = 90) 12-Month Follow-Up (n = 39) Baseline (n = 40) 12-Month Follow-Up (n = 48) Baseline (n = 2) 12-Month Follow-Up (n = 47)
VO2peak (mL/kg/min) 15.3 ± 3.7 16.5 ± 4.2 14.8 ± 3.6 17.5 ± 4.7 ** 14.2 ± 2.7 18.9 ± 4.7
Predicted VO2peak (%) 56.4 ± 13.9 62.5 ± 14.4 * 54.0 ± 14.5 65.4 ± 16.0 ** 50.5 ± 21.9 68.7 ± 19.1
Watt Max (W) 72.8 ± 25.1 80.6 ± 31.6 78.2 ± 24.9 86.8 ± 28.9 63.0 ± 7.0 102.8 ± 30.7
VE/VCO2slope 33.4 ± 6.2 32.2 ± 5.9 32.3 ± 5.6 31.3 ± 7.1 38.1 ± 3.8 28.9 ± 5.2 **
RER 1.14 ± 0.12 1.13 ± 0.09 1.13 ± 0.07 1.16 ± 0.11 1.07 ± 0.10 1.15 ± 0.10
HR Rest (bpm) 72.4 ± 10.8 68.7 ± 7.2 70.9 ± 10.9 68.3 ± 9.1 80.5 ± 27.6 69.4 ± 10.1
HR Peak (bpm) 106.6 ± 18.2 106.7 ± 19.9 106.3 ± 19.3 110.3 ± 15.9 126.0 ± 26.9 115.1 ± 22.1
HRR (bpm) 11.4 ± 9.5 14.1 ± 10.9 12.2 ± 11.2 15.0 ± 9.9 23.0 ± 2.8 18.7 ± 10.0
AT-VO2 (mL/kg/min) 11.4 ± 2.9 12.3 ± 2.9 11.4 ± 2.3 12.2 ± 3.7 10.9 ± 2.7 13.0 ± 2.9
AT-VO2 (%) 40.9 ± 11.5 45.7 ± 13.5 46.0 ± 13.4 45.8 ± 13.4 41.0 ± 11.3 50.2 ± 12.5 **
AT-Watt (W) 56.1 ± 24.8 57.2 ± 25.6 59.5 ± 19.7 55.1 ± 19.2 48.0 ± 21.3 67.3 ± 22.9 **
O2-Pulse (mL/beat) 11.4 ± 3.0 12.2 ± 3.5 12.6 ± 3.2 13.2 ± 3.8 10.2 ± 2.4 14.4 ± 3.8 *
ΔVO2/Δwork (mL/min/watt) 9.2 ± 1.6 9.6 ± 1.8 9.0 ± 1.7 10.1 ± 1.5 ** 9.5 ± 0.6 10.1 ± 1.5
Peak Ventilation (L/min) 45.8 ± 10.6 55.0 ± 17.9 ** 52.7 ± 14.7 56.4 ± 15.0 47.2 ± 9.5 63.6 ± 18.8 **
TIDAL volume (mL/kg) 1.5 ± 0.38 1.7 ± 0.56 * 1.7 ± 0.47 1.6 ± 0.44 1.6 ± 0.17 1.9 ± 0.5
Respiratory Rate (breaths/min) 30.8 ± 6.3 33.2 ± 6.9 31.7 ± 6.5 34.7 ± 6.0 * 30.0 ± 2.8 32.9 ± 7.0 **

Captions: * p < 0.05, ** p < 0.001 vs. baseline; ARNI1: angiotensin receptor neprilysin inhibitor (ARNI) dose of 24/26 mg bid; ARNI2: ARNI dose of 49/51 mg bid; ARNI3: ARNI dose of 97/103 mg bid; AT: anaerobic threshold; RER: respiratory exchange ratio; VE: ventilation; VE/VCO2slope: the slope of increase in ventilation over carbon dioxide output; VO2: oxygen consumption; HR: heart rate; HRR: heart rate recovery.