ライフサイエンスコーパス: left atrial pressure

1 through increases in cardiac output (.Q) and left atrial pressure.

2 the result of a lowering of early diastolic left atrial pressure.

3 re (M-LVDP) was used as a surrogate for mean left atrial pressure.

4 x) and elevated minimal LV pressure and mean left atrial pressure.

5 m (1) increased wall stress due to increased left atrial pressures; (2) hemodynamic congestion-induce

6 +/- 44 mm Hg to 12 +/- 6 mm Hg; p = 0.007), left atrial pressure (29 +/- 11 mm Hg to 20 +/- 8 mm Hg;

7 ere was no significant relation between mean left atrial pressure and deceleration time.

8 vide an autoregulatory mechanism to decrease left atrial pressure and improve heart failure (HF) symp

9 re increased after endotoxin infusion, while left atrial pressure and left ventricular end-diastolic

10 Left atrial pressure and left ventricular end-diastolic

11 systemic hypotension occurred with a fall in left atrial pressure and little change in left ventricul

12 increases in cardiac output and decreases in left atrial pressure and peripheral resistance but witho

13 act below Veq, we used a servomotor to clamp left atrial pressure and produce nonfilling diastoles, a

14 Ageing, increased left atrial pressure and stiffness, mitral regurgitation

15 mean right atrial, pulmonary artery and mean left atrial pressures and cardiac output were obtained.

16 Left atrial pressures and LV volumes and pressures were

17 sure (MAP), pulmonary artery pressure (PAP), left atrial pressure, and cardiac output (CO).

18 le to aortic pressure, in the left atrium to left atrial pressure, and in all heart chambers to a dec

19 ost likely because of marked increase in the left atrial pressure, and preload reduction may unmask t

20 on cardiac output; mean aortic, pulmonary or left atrial pressures; and peak positive and negative fi

21 Procedural monitoring included vital signs, left atrial pressure, arterial blood pressure, cerebral

22 measurements of left ventricular inflow and left atrial pressures, ascending aortic pressure, thermo

23 jection fraction is associated with elevated left atrial pressure at rest due to fluid overload or du

24 ction, and were more likely to have elevated left atrial pressure at rest.

25 ressure, mean right atrial pressure and mean left atrial pressure) at baseline, during 60 min of atri

26 LV preload was abruptly reduced by clamping left atrial pressure between 0 and -2 mm Hg in seven ope

27 monary arterial pressure of < 25 mm Hg and a left atrial pressure between 2 and 5 mm Hg.

28 ion, hypotension or perioperative changes in left atrial pressure, brain natriuretic peptide levels,

29 Shunt implantation reduces left atrial pressures but increases pulmonary blood flow

30 onary congestion were produced by increasing left atrial pressure by 2 mmHg.

31 ing a balloon in the left atrium to increase left atrial pressure by 5 mmHg.

32 is we measured lung lymph flow after raising left atrial pressure (by inflating a balloon) in sheep t

33 function, left ventricular end-diastolic and left atrial pressure can rise to extremely high levels.

34 With left atrial pressure clamping, maximal LV pressure decre

35 with aging has been proposed in which early left atrial pressure could be low in the aged heart but

36 These data indicate that PAOP overestimates left atrial pressure during endotoxin shock, making it a

37 evice is feasible, seems to be safe, reduces left atrial pressure during exercise, and could be a new

38 sion (PPH), right atrial pressure may exceed left atrial pressure during exercise, resulting in a rig

39 he atrial contraction (a wave); point 2, the left atrial pressure during the start of ventricular sys

40 f atrial filling (v wave); point 4, earliest left atrial pressure during ventricular filling; and the

41 timating right ventricular systolic and mean left atrial pressures during AF.

42 a heterogeneous clinical syndrome, elevated left atrial pressure-either at rest or with exertion-is

43 iations between PH, with or without elevated left atrial pressure (eLAP), and mortality in candidates

44 hypertension (PH), with or without elevated left atrial pressure (eLAP), and mortality in candidates

45 Left atrial pressure elevation during dextran infusion i

46 Thus, left atrial pressure elevation increased lymph flow less

47 Absence of left atrial pressure elevation was based on combined hem

48 For comparison, we also raised left atrial pressure elevation, plasma oncotic pressures

49 EF is complex but characterised by increased left atrial pressure, especially during exertion, which

50 he 26 patients (77%) with a normal predicted left atrial pressure (grade I diastolic dysfunction) had

51 f the 24 patients with an elevated predicted left atrial pressure (grade II/III diastolic dysfunction

52 tion time, < 180 m/s, which indicated a mean left atrial pressure > or = 20 mm Hg, were both 100%.

53 the leaflets, which equals left ventricular-left atrial pressure, have been proposed to explain this

54 rt failure, interventions to reduce elevated left atrial pressure improve symptoms and reduce the ris

55 e is more accurate than P(PAO) in estimating left atrial pressure in cardiac surgical patients.

56 Doppler echocardiographic variables and mean left atrial pressure in group A patients.

57 nd we describe the design of REDUCE Elevated Left Atrial Pressure in Heart Failure (REDUCE LAP-HF I),

58 ed trial of a device-based therapy to reduce left atrial pressure in HFpEF.

59 The REDUCe Elevated Left Atrial Pressure in Patients with Heart Failure (RED

60 edical Inc IASD System II to Reduce Elevated Left Atrial Pressure in Patients with Heart Failure (RED

61 REDUCE LAP-HF I (Reduce Elevated Left Atrial Pressure in Patients With Heart Failure) was

62 dical, Inc IASD System II to Reduce Elevated Left Atrial Pressure in Patients With Heart Failure), im

63 occlusion pressure (a frequent surrogate of left atrial pressure) in this population.

64 Left atrial pressure increases at exercise with an avera

65 ng from the passive transmission of elevated left atrial pressure is a notable exception.

66 Evaluation of left atrial pressure is frequently required for mechanic

67 The effect of raising the left atrial pressure (LAP) acutely above 25 mmHg (to cau

68 ction of the mitral valve increased the mean left atrial pressure (LAP) by approximately 2.6 and 3.8

69 The mean left atrial pressure (LAP) correlated well with the sept

70 Increased left atrial pressure (LAP) has been associated with adve

71 ements have limitations in the prediction of left atrial pressure (LAP) in patients with mitral valve

72 filling pressures to direct measurements of left atrial pressure (LAP) via catheterization in 100 pa

73 tentially clinically significant increase in left atrial pressure (LAP).

74 Hemodynamic parameters, including mean left atrial pressure (LAP, in mm Hg), mean pulmonary art

75 he left atrium was directly catheterized for left atrial pressure measurements.

76 sociation score 3 versus 2; P<0.001), higher left atrial pressures (median, 14 mm Hg versus 10 mm Hg;

77 y was that a mechanical approach to reducing left atrial pressure might be effective in HFPEF.

78 III Heart Failure Patients], and LAPTOP-HF [Left Atrial Pressure Monitoring to Optimize Heart Failur

79 Increases in left atrial pressure of 5 mmHg increased RAR activity fr

80 sel pressure was increased either by raising left atrial pressure or by aortic constriction.

81 altering mean arterial pressure, heart rate, left atrial pressure, or left ventricular dP/dt.

82 hemodynamic values, including pulmonary and left atrial pressures, or intrathoracic impedance, which

83 sitive dP/dt (p < 0.05), an increase in mean left atrial pressure (p < 0.05) and a prolongation of ta

84 e (P<0.001) in association with decreases in left atrial pressure (P<0.001), peripheral resistance (P

85 This study compared a prediction of mean left atrial pressure (P(LA)) ascertained by Doppler echo

86 Elevated left atrial pressure, particularly during exercise, is a

87 occlusion pressure is not thought to reflect left atrial pressure (Pla) when alveolar pressure (PA) e

88 ters peak systolic blood pressure (Ps), mean left atrial pressure (PLA), and Doppler-derived IVRT (IV

89 sociate wedge pressure (Pcw) from transmural left atrial pressure (Platm) by elevating pleural pressu

90 nt device that allows shunting to reduce the left atrial pressure provides clinical and hemodynamic b

91 LV pressure and volume, left atrial pressure, pulmonary artery pressure and flow

92 Mean pulmonary arterial pressure, mean left atrial pressure, pulmonary vascular resistance, and

93 (LV) filling have been applied to determine left atrial pressure, their accuracy has been limited by

94 g pulmonary artery pressures and 1 measuring left atrial pressure) to assess the effect on all-cause

95 imated pulmonary artery systolic pressure or left atrial pressure) variables can assist with diagnosi

96 l (up to 64% reduction in A-loop area of the left atrial pressure-volume relationship, quantifying wo

97 left ventricular end-diastolic diameter, and left atrial pressure vs. left ventricular end-diastolic

98 Average initial left atrial pressure was 31 mm Hg.

99 ly significant increase in activity when the left atrial pressure was acutely elevated in both intact

100 The left atrial pressure was directly related to the E/A rat

101 Left atrial pressure was measured with a micromanometer

102 ensitivity (% change in RSNA/mm Hg change in left atrial pressure) was markedly attenuated after PL (

103 l perfusion pressure, systemic pressure, and left atrial pressure were continuously monitored, electr

104 acheal pressure, arterial blood pressure and left atrial pressure were measured in paralysed, anaesth

105 One mechanism is that when Palv exceeds left atrial pressure, West zone 1 or 2 (non-zone 3) cond

106 pressure is directly related to an enhanced left atrial pressure, which is common to both heart fail

107 The dissociation between PAOP and left atrial pressure, while left ventricular and -diasto