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Table 3 The changes of hemodynamic parameters in six eligible patients before and after NPPV application

From: Evaluation of noninvasive positive pressure ventilation after extubation from moderate positive end-expiratory pressure level in patients undergoing cardiovascular surgery: a prospective observational study

No. Systolic BP (mmHg) HR (beats/min)
Before After Before After
1 122 113 89 78
2 145 135 94 87
3 112 121 79 85
4 108 102 82 78
5 138 136 61 65
6 142 128 71 62
mean ± SD 128 ± 16 123 ± 13 79 ± 12 76 ± 10
  1. NPPV, noninvasive positive pressure ventilation; BP, blood pressure; HR, heart rate.