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Table 1 Characteristics of six patients weaned from invasive mechanical ventilation through application of NPPV

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. Age Sex Height (cm) Weight (kg) Diagnosis Operative procedure Operation time (h and min) SOFA score Duration of IMV (day) Reason for first failure Duration of NPPV (day)
1 55 F 161 66 MR, TR MVR, TAP 7 h and 04 min 8 8 P/F ratio <200 mmHg 2
2 72 M 166 66 Atrial fibrillation Maze operation 6 h and 00 min 8 3 P/F ratio <200 mmHg 2
3 79 F 148 57 Angina CABG 5 h and 47 min 7 4 P/F ratio <200 mmHg 4
4 71 M 161 52 Angina CABG 6 h and 48 min 8 6 RR 30/min 2
5 63 M 170 59 Stenosis of right outflow tract Plasty of right outflow tract 9 h and 47 min 11 8 P/F ratio <200 mmHg 3
6 85 M 160 58 Angina CABG 3 h and 17 min 5 3 P/F ratio <200 mmHg 3
  1. NPPV, non-invasive positive pressure ventilation; SOFA score, sequential organ failure assessment score; IMV, invasive mechanical ventilation; P/F ratio, partial pressure of arterial oxygen tension to inspiratory oxygen fraction ratio; RR, respiratory ratio; M, male; F, female; MR, mitral regurgitation; TR, tricuspid regurgitation;MVR, mitral valve replacement; TAP, tricuspid annuloplasty; CABG, coronary artery bypass grafting.