ライフサイエンスコーパス: rate-pressure product

1 ressed relative to myocardial oxygen demand (rate-pressure product).

2 k work rate, maximal oxygen consumption, and rate pressure product.

3 Rest MBF was normalized to rate-pressure product.

4 present after correcting rest flows for the rate-pressure product.

5 d shift in the relationship between MVO2 and rate-pressure product.

6 n increase in heart rate, blood pressure and rate-pressure product.

7 did not demonstrate the expected increase in rate-pressure product.

8 y (p < 0.02) larger with O3 than with FA for rate-pressure product (1,353 beats/min/mm Hg) and for he

9 flow (3.3+/-2.5 x rest) exceeded normalized rate-pressure product (1.9+/-0.8 x rest; P<.05).

10 line donor vessel absolute flow adjusted for rate pressure product: 177.5 to 139.9 mL/min (difference

11 ats/min, p=0.6) and a comparable increase in rate-pressure product (2.2+/-0.9 vs. 1.9+/-1.2 beats/min

12 /min; P = not significant [ns]) and peak Dob rate.pressure product (20,738 +/- 3,947 vs. 20,047 +/- 3

13 oad after NTG, as indicated by a higher peak rate-pressure product (24 492+/-1054 versus 22 536+/-101

14 and perfusate Ca2+ with similar increases in rate-pressure product (48+/-5%, 42+/-6%, and 51+/-6%, re

15 The resting rate pressure product (6628 +/- 504 versus 5225 +/- 807)

16 sed heart rate (79+/-22 to 115+/-28 bpm) and rate-pressure product (9748+/-2862 to 15,157+/-3433 mm H

17 esting MBF and increase in CVR corrected for rate-pressure product after AVR, although these changes

18 However, the rate pressure product, an index of myocardial work, tend

19 Rest blood flows normalized to the rate-pressure product, an index of cardiac work, were si

20 atine:ATP ratio that correlated with reduced rate pressure product and increased diastolic pressure.

21 ease in systolic blood pressure, heart rate, rate-pressure product and CO and a fall in PVR were simi

22 In controls, during ischemia, rate-pressure product and oxygen consumption decreased b

23 dobutamine is in excess of that predicted by rate-pressure product and reflects the unmeasured inotro

24 spite similar values for peak heart rate and rate-pressure product and similar severity of CAD.

25 butamine significantly increased heart rate, rate-pressure product and the first derivative of left v

26 Rate-pressure product and wall motion score index, simil

27 Changes in heart rate, blood pressure, rate-pressure product, and cardiac output were greater w

28 001), blood pressure (P < .005) at rest, and rate-pressure product at peak exercise (P < .003), but e

29 Heart rates, systolic blood pressure and rate-pressure product at peak exercise were not differen

30 The mean rate-pressure product at peak pacing was 22,313+/-5,357

31 e-EN, the ischemic threshold, defined as the rate-pressure product at the onset of 1-mm ST depression

32 Rate pressure product both at baseline and at peak adeno

33 by increases in blood pressure, heart rate, rate-pressure product, cardiac index, and stroke work in

34 relatively minor increase in heart rate and rate-pressure product compared with ischemia induced by

35 ed with lower baseline and postmental stress rate-pressure product compared with nifedipine or placeb

36 Over all segments, mean MBF normalized by rate-pressure product ("corrected MBF") was 1.2+/-0.3 mL

37 Similarly, heart rate and rate pressure product declined from the baseline dipyrid

38 he isolated heart dose-dependently increased rate pressure product, dP/dt, -dP/dt, and myocardial oxy

39 The rate-pressure product for the group as a whole increased

40 ; 95% confidence interval [CI], 0.3 to 0.9), rate pressure product (HR, 0.7; 95% CI, 0.5 to 0.9), lef

41 HR, 2.6; 95% CI, 1.2 to 5.4), lower exercise rate-pressure product (HR, 0.6; 95% CI, 0.5 to 0.8), res

42 c complications, organ dysfunction, or heart rate pressure product identified.

43 Normalization of resting blood flow to the rate pressure product improved the reproducibility signi

44 In addition, rate-pressure product improved suggesting decreased card

45 uring stress, there were equivalent rises in rate pressure product in both groups (DCM, 76+/-15% and

46 assessed by measuring developed pressure and rate pressure product in Langendorff mode.

47 og x kg-1 x min-1 IV) caused doubling of the rate-pressure product in both normal and LVR hearts and

48 The rate-pressure product in postischemic hearts was 46% of

49 In CHF hearts, rate-pressure product increased only 40% in response to

50 ated (p < 0.001) with a 2.2-fold increase in rate-pressure product induced by dobutamine.

51 They also correlated with RV rate-pressure product (K(mono), R(2) = 0.41, P = 0.0005;

52 at a left ventricular pressure of 50 mm Hg, rate-pressure product, left ventricular tension-time ind

53 icant (P < 0.01) and comparable increases in rate-pressure product, measured in beats per minute x mm

54 Ischemic threshold, measured either as the rate-pressure product or the duration of exercise at the

55 Endothelial NO decreased the rate-pressure product (P<0.05), upregulated cytochrome c

56 mand were seen (tension-time index, P=0.024; rate-pressure product, P=0.046), as well as an increase

57 obutamine in normal segments correlated with rate-pressure product (r=.81, P<.05), the slope of the l

58 mpaired recovery of systolic (24% versus 53% rate pressure product recovery; P<0.05) and diastolic fu

59 did not alter blood pressure, heart rate, or rate-pressure product relative to placebo.

60 Heart rate, mean arterial pressure, rate-pressure product, respiratory rate, and catecholami

61 HYP showed a 13% to 26% reduction in rate pressure product (RPP) and impaired dP/dt versus SH

62 Baseline rate-pressure product (RPP) (6559+/-1590 versus 7144+/-1

63 Exercise BP, heart rate (HR) and rate-pressure product (RPP) at maximal and submaximal wo

64 onship between ST-segment depression and the rate-pressure product (RPP) during exercise to determine

65 Cold induced similar increases in rate-pressure product (RPP) in smokers and nonsmokers.

66 E) were repeated at 2.5 and 5 minutes for a rate-pressure product (RPP) less than 20% baseline.

67 Measurements were made of rate-pressure product (RPP=LV developed pressure x heart

68 MBF was also normalized to the rate.pressure product (RPP).

69 damole caused an increase (mean, 21%) in the rate-pressure product secondary to reflex tachycardia re

70 The increase in rate-pressure product tended to be greater in patients w

71 The initial high Ca2+ challenge caused the rate-pressure product to increase by 74 +/- 5% in all he

72 educed mechanical inefficiency (the ratio of rate-pressure product to MVO(2)) and myofilament sensiti

73 tion fraction, myocardial scar and ischemia, rate-pressure product, type of radiotracer or stress age

74 The RV rate-pressure product was also determined by means of ri

75 were maintained relatively constant and the rate-pressure product was relatively unchanged, but lact

76 Left ventricular developed pressure and rate pressure product were significantly depressed in th

77 itude of ST segment depression, and exercise rate-pressure product-were found to be independent predi

78 -diastolic pressure, developed pressure, and rate-pressure product, which was also blocked by DPCPX a