Research Article
The Effects of Guided Imagery on Patients Being Weaned from Mechanical Ventilation
Table 3
Physiological outcomes.
| Characteristic | Comparison group () | Guided imagery () | Total () | |
| Session I | | | | | Baseline, mean (SD) | | | | | Heart rate | 84.7 (16.8) | 79.1 (19) | 81.9 (17.7) | .317 | Systolic blood pressure (BP) | 124.7 (22.9) | 126.6 (19) | 125.6 (21) | .777 | Diastolic BP | 59.3 (11.8) | 64.1 (17.4) | 61.7 (17.9) | .305 | Respiratory rate | 21.8 (4.5) | 19.8 (4.8) | 20.8 (4.7) | .170 | Oxygen saturation | 97.6 (2.5) | 97.6 (2.4) | 97.6 (2.4) | 1.000 | 30 minutes, mean (SD) | | | | | Heart rate | 89.3 (22.2) | 81.6 (18) | 85.5 (20.3) | .220 | Systolic BP | 133.9 (17.4) | 127.2 (20) | 130.5 (19) | .258 | Diastolic BP | 64.5 (12.2) | 64.7 (16.1) | 64.6 (14.1) | .966 | Respiratory rate | 22.6 (4) | 20.3 (6.8) | 21.5 (5.7) | .186 | Oxygen saturation | 97.1 (2.7) | 97.2 (3) | 97.1 (2.8) | .915 | 60 minutes, mean (SD) | | | | | Heart rate | 90.3 (16.4) | 82.7 (16) | 86.5 (16.3) | .130 | Systolic BP | 129.6 (24.4) | 130.2 (25) | 129.9 (24.3) | .940 | Diastolic BP | 62 (11.9) | 63.8 (20) | 62.9 (16.2) | .728 | Respiratory rate | 24.6 (4.7) | 21.6 (8.1) | 23.1 (6.7) | .148 | Oxygen saturation | 97.2 (2.5) | 97.1 (2.8) | 97.1 (2.6) | .818 | Session II | | | | | Baseline, mean (SD) | | | | | Heart rate | 86.5 (17.4) | 77.4 (14.8) | 83.1 (16.8) | .141 | Systolic BP | 123.8 (25.8) | 133.9 (20) | 127.6 (24.1) | .254 | Diastolic BP | 60 (12.3) | 65.8 (21.3) | 62.2 (16.2) | .338 | Respiratory rate | 23.4 (3.6) | 20.9 (4.6) | 22.5 (4.1) | .099 | Oxygen saturation | 96.6 (3) | 96.9 (2.2) | 96.7 (2.7) | .733 | 30 minutes, mean (SD) | | | | | Heart rate | 94 (14.7) | 82.8 (19.4) | 89.8 (17.2) | .073 | Systolic BP | 141.4 (25.8) | 135.8 (13.7) | 139.3 (22) | .622 | Diastolic BP | 63.3 (10.8) | 66.7 (17.7) | 64.6 (13.6) | .426 | Respiratory rate | 22.2 (4.8) | 23.8 (7) | 22.8 (5.7) | .507 | Oxygen saturation | 96.9 (2.8) | 97.2 (2.3) | 97 (2.6) | .427 | 60 minutes, mean (SD) | | | | | Heart rate | 92.4 (21.2) | 81.5 (12.5) | 88.3 (19) | .119 | Systolic BP | 124.6 (21.7) | 136.9 (21.7) | 129.2 (22.2) | .130 | Diastolic BP | 62.5 (14.9) | 68.7 (15.6) | 64.8 (15.2) | .271 | Respiratory rate | 23.3 (5.5) | 20.8 (5.6) | 22.4 (5.6) | .235 | Oxygen saturation | 95.6 (3.8) | 97.9 (1.6) | 96.5 (3.3) | .024 |
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