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Thorax 53:857-862 doi:10.1136/thx.53.10.857
  • Original article

Pulmonary artery pressure variation in patients with connective tissue disease: 24 hour ambulatory pulmonary artery pressure monitoring

Table 3

Mean ambulatory pulmonary artery pressure (PAP) measured with the micromanometer tipped pulmonary artery catheter and heart rate averaged over 24 hours and during 10 minutes in each posture (lying asleep, lying awake, sitting and standing) and during exercise

Patient no. 24 hour average Lying asleep Lying awake Sitting Standing Exercise (bicycle)
PAP  1 21 20 26 19 17  28
 2 32 29 36 27 28 41
 3 49 56 68 59 57 69
 4 69 66 75 68 64 76
 5 65 64 68 65 67 73
 6 55 45 68 48 68 85
 Mean  (SE) 48.53-150 (7.7) 46.73-150 (7.7) 56.8 (8.3) 47.73-150 (8.3) 50.23-150 (9.0) 62.0 (9.1)
Heart rate
 Mean  (SE) 86 (5.8) 75 (5.8) 92 (3.7) 88 (2.9) 100 (9.0) 1153-160 (3.4)

  • The exercise values were obtained at the beginning of the fourth minute of a steady state exercise test at 30% measured Vo 2max.

  • ↵3-150 PAP significantly different from lying awake (p<0.05, ANOVA).

  • ↵3-160 Heart rate significantly different from lying awake (p<0.05, ANOVA).

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