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Table 2 Parameters in eleven patients in percutaneous dilatational tracheostomy

From: Evaluation of regional ventilation by electric impedance tomography during percutaneous dilatational tracheostomy in neurocritical care: a pilot study

Time Modes MV l/min Ppeak cm H2O VT ml PEEP cm H2O C static ml/cmH2O FiO2% SpO2% EtCO2
torr
T − 1 ASV 10.25 ± 2.62 16.27 ± 3.19 546.91 ± 90.67 5.09 ± 0.29 80.82 ± 32.56 0.41 ± 0.04 97.45 ± 3.00 36.95 ± 4.46
T 1 DuoPAP 10.25 ± 2.20 15.91 ± 4.14 564.45 ± 79.29 5.09 ± 0.29 78.36 ± 41.83 1.00 ± 0.00 98.18 ± 1.95 36.48 ± 5.44
T 2 ASV 10.24 ± 2.33 15.55 ± 3.77 535.45 ± 150.00 5.36 ± 0.88 80.91 ± 37.05 0.45 ± 0.12 97.27 ± 2.34 36.89 ± 4.68
T 3 ASV 10.07 ± 2.29 15.18 ± 4.37 571.82 ± 141.77 5.36 ± 0.88 102.18 ± 49.28 0.44 ± 0.10 98.18 ± 1.59 36.55 ± 3.87
T 4 ASV 9.92 ± 2.03 15.27 ± 3.98 568.45 ± 95.56 5.36 ± 0.88 92.64 ± 35.34 0.42 ± 0.07 98.00 ± 1.95 35.32 ± 3.52
T 5 ASV 13.96 ± 2.62 15.18 ± 4.02 555.64 ± 125.64 5.27 ± 0.62 94.64 ± 31.83 0.42 ± 0.06 98.00 ± 2.17 35.05 ± 2.92
T 6 ASV 10.59 ± 2.33 15.09 ± 4.06 600.18 ± 125.39 5.27 ± 0.62 92.00 ± 31.46 0.42 ± 0.06 97.45 ± 2.57 34.57 ± 4.01
T 7 ASV 10.05 ± 1.95 15.00 ± 3.93 558.00 ± 118.00 5.27 ± 0.62 83.00 ± 32.32 0.42 ± 0.06 98.18 ± 2.04 33.95 ± 3,63
T 8 ASV 10.56 ± 1.70 15.64 ± 3.47 555.18 ± 106.69 5.27 ± 0.62 85.91 ± 33.41 0.40 ± 0.03 97.73 ± 2.05 33.95 ± 4.83
  1. T-1 - one hour before percutaneous dilatational tracheostomy (PDT), T1 during PDT, T2-8 hourly intervals, Mean ± Standard deviation, ASV Adaptive support ventilation, DuoPAP Duo Positive Airway Pressure, MV Minute ventilation, Ppeak Peak pressure, VT Tidal volume, C Compliance, FiO2 Fraction of inspired oxygen, EtCO2 End-tidal carbon dioxide concentration, SpO2 Pulse oximetry, EIT Electric impedance tomography