ライフサイエンスコーパス: work of breathing

1 ical alterations to the lung known to impact work of breathing.

2 have a reduced cardiac reserve and increased work of breathing.

3 e tension in the lung and an increase in the work of breathing.

4 the mammalian lung, functions to reduce the work of breathing.

5 exchange, lung hyperexpansion, and increased work of breathing.

6 straight ETT will significantly increase the work of breathing.

7 tly lower VD, VE, pressure time product, and work of breathing.

8 It may result from increased work of breathing.

9 ll result in decreased airway resistance and work of breathing.

10 trial when associated with increased imposed work of breathing.

11 uses the Campbell diagram to calculate total work of breathing.

12 ing imposed work of breathing from the total work of breathing.

13 s imposed work of breathing and, thus, total work of breathing.

14 nal dyspnea that may be due to the increased work of breathing.

15 ased at all levels (p < 0.01), whereas total work of breathing against the lung was not different.

16 maintenance of the relationship between the work of breathing and exercise work rate.

17 KEY POINTS: High work of breathing and exercise-induced arterial hypoxaem

18 rbations, helium/oxygen (heliox) reduces the work of breathing and hypercapnia more than air/O2, but

19 istic loading of respiratory muscles, reduce work of breathing and minimize rate of fatigue.

20 Work of breathing and other variables were measured with

21 An imbalance between work of breathing and respiratory muscle capacity often

22 t elevate the f/VT, unrelated to physiologic work of breathing and respiratory muscle capacity, shoul

23 re was a strong negative correlation between work of breathing and the ventilator-to-patient tidal vo

24 alian lungs, functions in vivo to reduce the work of breathing and to prevent alveolar collapse.

25 ilation that significantly decreases imposed work of breathing and, thus, total work of breathing.

26 To relieve the work of breathing, and thereby minimize activation of re

27 d respiratory illness, hypoxia and increased work of breathing are more important than tachypnea and

28 l signs (respiratory rate, auscultation, and work of breathing) are negative, the chest x-ray finding

29 dyspnea in patients with heart failure, the work of breathing as assessed by the tension time index

30 entilation provided uniform unloading of the work of breathing as the ventilatory drive was varied wi

31 hypnea was possibly due to increased imposed work of breathing, as the increased respiratory rate usu

32 d of the endotracheal tube decreases imposed work of breathing by bypassing the resistance imposed by

33 rterial blood gases, inspiratory effort, and work of breathing by esophageal pressure swings (DeltaPe

34 rive" (i.e., tidal volume), unloading of the work of breathing by proportional assist ventilation was

35 utomatically (range, 5-40 cm H2O) as well as work of breathing by ventilation system assisting inhala

36 ld exercise or activity because of increased work of breathing consistent with higher ventilatory req

37 There is increased awareness of imposed work of breathing contributing to apparent ventilatory d

38 As a result, total work of breathing decreased by approximately 40% compare

39 Imposed work of breathing decreased to approximately zero during

40 ow from locomotor muscles to accommodate the work of breathing during activity.

41 Women have a greater work of breathing during exercise, dedicate a greater fr

42 Women have a higher work of breathing during exercise, dedicate a greater fr

43 al volume exerts an independent influence on work of breathing during lung-protective ventilation in

44 We compared work of breathing during spontaneous ventilation between

45 Mean values of the airway resistance and work of breathing from periods 1 and 3 were compared usi

46 athing was calculated by subtracting imposed work of breathing from the total work of breathing.

47 tivity, 64%; specificity, 77%) and increased work of breathing (grunting, flaring, and retractions; p

48 function and, therefore, an increase in the work of breathing in chronic lung disease.

49 roportional assist ventilation to unload the work of breathing in proportion to ventilatory drive, un

50 tric oxide therapy can be used to reduce the work of breathing in selected patients with cardiopulmon

51 ce can be improved by acutely decreasing the work of breathing in these patients.

52 sed (up to -15 cm H2O) and imposed resistive work of breathing increased (up to 1.05 J/L).

53 hest indrawing, and other signs of increased work of breathing, increases the likelihood of pneumonia

54 Patient work of breathing is inversely related to the difference

55 ratory muscles in women, less of a change in work of breathing is needed to reduce quadriceps fatigue

56 Whether work of breathing is reduced in posttransplant recipient

57 of breathing </= 1.1 joule/L or physiologic work of breathing </= 0.8 joule/L.

58 ths/min, when combined with either a patient work of breathing </= 1.1 joule/L or physiologic work of

59 erapeutic interventions aimed at attenuating work of breathing may be beneficial.

60 Work of breathing/min decreased from 4.3 (3.5-6.3) to 2.

61 s, esophageal pressure-time product/min, and work of breathing/min) in adults.

62 s, esophageal pressure-time product/min, and work of breathing/min).

63 ual "physiologic" work of breathing (patient work of breathing minus imposed work of breathing) was <

64 to collapse during expiration and increased work of breathing necessitating the institution of suppl

65 tilation significantly (p < .05) reduced the work of breathing of the lung model at all but the lowes

66 ABSTRACT: Reducing the work of breathing or eliminating exercise-induced arteri

67 esistance (p = .001) and 45% decrease in the work of breathing (p = .0006).

68 was measured, and if residual "physiologic" work of breathing (patient work of breathing minus impos

69 Work of breathing progressively increased (0.86 +/- 0.32

70 EIAH prevented by inspiring hyperoxic gas or work of breathing reduced via a proportional assist vent

71 women appear to be especially susceptible to work of breathing-related changes in quadriceps muscle f

72 l, we measured pulmonary mechanics including work of breathing reported as work per liter of ventilat

73 The work of breathing required during maximal exercise compr

74 Despite a greater reduction in men's work of breathing, the attenuation of quadriceps fatigue

75 For the PAV trial, despite reducing the work of breathing to a greater degree in men (men: 60 +/

76 ressure assist to decrease imposed resistive work of breathing under conditions of varying spontaneou

77 ory support (30%, 50%, and 70%) unloaded the work of breathing uniformly as ventilatory drive was var

78 If patient work of breathing was > 1.1 joule/L, imposed work of bre

79 If patient work of breathing was </= 1.1 joule/L, extubation procee

80 Imposed work of breathing was calculated by integrating tidal vo

81 Physiologic work of breathing was calculated by subtracting imposed

82 work of breathing was > 1.1 joule/L, imposed work of breathing was measured, and if residual "physiol

83 If tachypnea was the reason for failure, work of breathing was measured.

84 Imposed resistive work of breathing was negligible (range, 0-0.2 J/L).

85 Imposed resistive work of breathing was nullified at the lower and was neg

86 sent study sought to investigate whether the work of breathing was reduced after heart transplantatio

87 ing (patient work of breathing minus imposed work of breathing) was </= 0.8 joule/L, patients were ex

88 5% of maximum while arterial blood gases and work of breathing were assessed.

89 gnificant decreases in airway resistance and work of breathing, which has the potential for improving

90 ess of ventilatory support based on measured work of breathing (WOB), including physiologic (WOBPhys)

91 Imposed resistive work of breathing (work to spontaneously inhale through

92 We hypothesized that the work of breathing would be substantially decreased with