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Table 1 Modes and settings of mechanical ventilation and corresponding arterial blood gases (ABG)

From: Time controlled adaptive ventilation™ as conservative treatment of destroyed lung: an alternative to lung transplantation

  Mode FiO2/Vti Pressures (cm H2O) ABG; pressures in kPa
Admission to ICU at EMC (November 16th) APRV + VV-ECMO 80% / 2.33 cc/kg
7L FiO2 1.0 sweep gas flow
Ppeak 41
Pplat 40
Pmean 28
pH 7.45
pO2 6.8
pCO2 5.7
November 17th APRV + VV-ECMO 70% / 2.36 cc/kg
7L FiO2 1.0 sweep gas flow
Ppeak 44
Pplat 42
Pmean 28
pH 7.49
pO2 11.3
pCO2 5.0
December 20th APRV + VV-ECMO 40% / 2.72 cc/kg
7.5L FiO2 1.0 sweep gas flow
Ppeak 36
Pplat 32
Pmean 23
pH 7.44
pO2 10.3
pCO2 6.6
January 12th PS + VV-ECMO 30% / 4.34 cc/kg
4L FiO2 1.0 sweep gas flow
Ppeak 30
Pmean 13
PEEP 10
pH 7.38
pO2 11.0
pCO2 8.1
February 25th No mechanical ventilation, no ECMO 0.5 L O2 nasal cannula n.a No ABG
Following surgery and repeat tracheostomy (April 24th) Start APRV, no ECMO 35% / 4.36 cc/kg Ppeak 34
Pmean 21
PEEP 11
pH 7.12
pO2 11.2
pCO2 10.5
April 29th APRV, no ECMO 40%/4.08 cc/kg Ppeak 31
Pplat 28
Pmean 23
pH 7.23
pO2 11.4
pCO2 9.9
May 5th APRV, no ECMO 30%/3.44 cc/kg Ppeak 21
Pplat 20
Pmean 17
pH 7.41
pO2 11.1
pCO2 6.6
May 31st APRV, no ECCMO 25%/4.29 cc/kg Ppeak 24
Pplat 24
Pmean 21
pH 7.41
pO2 13.8
pCO2 7.0
June 22nd No mechanical ventilation, no ECMO 2 L O2 nasal canula n.a No ABG