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Table 2 Rest and stress data

From: Abnormal shortened diastolic time length at increasing heart rates in patients with abnormal exercise-induced increase in pulmonary artery pressure

  Patients, abnormal exercise PASP Patients, normal exercise PASP Controls
N of patients 14 95 16
Age (years) 63 ± 12* 60 ± 12 Δ 35 ± 9
Gender (Male/Female) 8/6 70/25 14/2
Rest and stress echo measurements    
Left ventricular mass index (g/m2) 112 ± 17 107 ± 30 99 ± 24
Heart rate rest (bpm) 65 ± 15 73 ± 15 77 ± 15
Heart rate peak (bpm) 118 ± 22* 123 ± 21 Δ 163 ± 11
Systolic blood pressure rest (mmHg) 128 ± 21 135 ± 20 126 ± 13
Systolic blood pressure peak (mmHg) 177 ± 21 186 ± 24 192 ± 27
Diastolic blood pressure rest (mmHg) 70 ± 10 75 ± 12 72 ± 10
Diastolic blood pressure peak (mmHg) 88 ± 11 94 ± 12 89 ± 13
Pulmonary artery systolic pressure rest (mmHg) 35 ± 4§ 30 ± 5 Δ 25 ± 4
Pulmonary artery systolic pressure peak (mmHg) 62 ± 12§ 38 ± 7 Δ 32 ± 6
LV end-diastolic volume index rest (mL/m2) 55 ± 23 52 ± 18 51 ± 13
Δ LV end-diastolic volume index (rest-peak, mL/m2) -5 ± 15 -5 ± 9 -10 ± 11
LV end-systolic volume index rest (mL/m2) 22 ± 10 22 ± 14 21 ± 9
Δ LV end-systolic volume index (rest-peak, mL/m2) -2 ± 6* -4 ± 7 Δ -10 ± 5
LV ejection fraction % rest 57 ± 14 57 ± 11 60 ± 7
Δ LV ejection fraction % (rest-peak) 1 ± 8* 5 ± 11 Δ 13 ± 9
Wall motion score index rest 1.12 ± 0.32 1.19 ± 0.37 Δ 1.00 ± 0.00
Systolic pressure/End-systolic volume index rest (mmHg/mL/m2) 8.6 ± 7.8 8.3 ± 5.4 7.1 ± 3.1
Δ Systolic pressure/End-systolic volume index (rest-peak, mmHg/mL/m2) 4.2 ± 5* 7.4 ± 7.9 Δ 14.6 ± 11.1
Arterial elastance index rest (mmHg/mL/m2) 4.3 ± 1.7 4.6 ± 1.5 4 ± 0.9
Δ Arterial elastance index (rest-peak, mmHg/mL/m2) 1.5 ± 1.8 1.7 ± 1.6 2.4 ± 2
Ventricular/arterial coupling rest (ratio) 1.7 ± 0.8 1.6 ± 0.8 1.6 ± 0.5
Δ Ventricular/arterial coupling (rest-peak) 0.4 ± 1.1 0.7 ± 1.3 1.6 ± 1.8
Cardiac index rest (L/min/m2) 1.99 ± 0.74 2.01 ± 0.70 2.19 ± 0.51
Δ Cardiac index (rest-peak, L/min/m2) 1.36 ± 0.94* 1.44 ± 0.95 Δ 2.58 ± 1.77
Sensor built Force-Frequency Relation    
Force rest (g * 10-3) 12.6 ± 10 9.7 ± 5.3 Δ 16.6 ± 7.4
Δ Force (rest-peak, g * 10-3) 21.4 ± 21.7* 22.5 ± 21.4 Δ 53.1 ± 33
Sensor recorded diastolic and systolic times    
Diastolic time at 80 bpm (msec) 415 ± 30 § 438 ± 25 Δ 470 ± 29
Diastolic time at 100 bpm (msec) 304 ± 19 § 323 ± 21 Δ 350 ± 22
Diastolic time at 110 bpm (msec) 264 ± 16 § 286 ± 21 Δ 306 ± 21
Systolic time at 80 bpm (msec) 335 ± 30 § 312 ± 25 Δ 280 ± 29
Systolic time at 100 bpm (msec) 303 ± 19 § 276 ± 21 Δ 250 ± 22
Systolic time at 110 bpm (msec) 281 ± 16 § 259 ± 21 Δ 239 ± 21
Diastolic/systolic time ratio at 80 bpm 1.26 ± 0.20 § 1.42 ± 0.20 Δ 1.76 ± 0.34
Diastolic/systolic time ratio at 100 bpm 1.01 ± 0.12 § 1.18 ± 0.17 Δ 1.42 ± 0.22
Diastolic/systolic time ratio at 110 bpm 0.95 ± 0.11 § 1.12 ± 0.17 Δ 1.29 ± 0.20
Diastolic/systolic time ratio at recovery, 100 bpm 1.24 ± 0.28 * 1.48 ± 0.28 Δ 1.75 ± 0.41
  1. § = significant differences between abnormal stress PASP patients vs. both normal stress PASP patients and Controls; ‡ = significant differences between abnormal stress PASP patients vs. normal stress PASP patients; * = significant differences between abnormal stress PASP patients vs. Controls. Δ = significant differences between normal stress PASP patients vs. Controls.
  2. g = 9.8 m/sec2; PASP, pulmonary artery systolic pressure