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Table 1 Criteria for treatment with extracorporeal gas exchange used in different centres

From: Extracorporeal membrane oxygenation for severe acute respiratory failure

Center(s) [Reference]

Fast entry criteria

Slow entry criteria

Orange County Medical Center, Peter Bent Brigham Hospital, Hospital of the University of Pennsylvania, Pacific Medical Centre, Latter-day Saints Hospital, Mount Sinai Hospital NYC, University of North Carolina, University of California S.F., Massachusetts General Hospital, USA [92]

PaO2<50 mmHg for >2 h at FiO2 1.0; PEEP≥ 5 cmH20

PaO2<50 mmHg for >12 h at FiO2 0.6; PEEP ≥5 cmH2O; maximal medical therapy >48 h

University of Milan, Italy [30]

Same as [92]

Same as [92] plus QS/QT>30%; CTstat<30 ml/cmH2O

Karolinska Hospital, Stockholm, Sweden [43]

Same as [92]

Same as [92]

Philipps University, Marburg, Germany [72]

A-aDO2>525 mmHg; CTstat<30 ml/cmH2O; PIP >35 cmH2O; extended infiltrations on chest X-ray; maximal medical therapy for >24 h (No distinction between fast and slow entry criteria)

Charité/Campus Virchow, Humboldt-University Berlin Germany [10]; Heartlink ECMO-Centre, Leicester, UK

PaO2/FiO2<50 mmHg for >2 h; PEEP ≥10 cmH2O

Maximal medical therapy for 24-120 h; PaO2/FiO2<150 mmHg; PEEP ≥10 cmH20; QS/QT≥30% at FiO2 1.0; EVLW ≥15 ml/kg bodyweight; CTstat≤30 ml/cmH2O or recurrent barotrauma

Cochin University Hospital, Paris, France [39]

Same as [92] plus Murray score [93] >2.5; failure to improve respiratory parameters with different modes of mechanical ventilation

Same as [92] plus Murray score [93] >2.5; failure to improve respiratory parameters with different modes of mechanical ventilation

Freiburg University Hospital, Freiburg, Germany [94]

PaO2≤50 mmHg; FiO21.0; PEEP≥10 cmH2O

FiO2≥0.7; PEEP≥10 cmH2O; maximal medical therapy for >48 h

University of Michigan Medical School, Ann Arbor, USA [40]

Optimal conventional therapy; QS/QT>30%; CTstat<0.5 ml/cmH2O/kg bodyweight; diffusely abnormal chest radiography in four quadrants (No distinction between fast and slow entry criteria)

University of Utah, School of Medicine, Salt Lake City, USA [31]

Same as [92]

Same as [92]

Ludwigs-Maximilians-University, Munich, Germany [95]

PaO2/FiO2<50 mmHg; at PEEP≥5 cmH2O for >2 h; CTstat≤30 ml/cmH2O

After 48-96 h conventional therapy, 3 out of 4 criteria must be fulfilled: PaO2/FiO2<150 mmHg at PEEP ≥5 cmH2O for >2 h; PaCO2 ≥60 mmHg at VE≥200 ml/kg; PIP ≥40 cmH CTstat≤30 ml/cmH2O and QS/QT≥30%

Toronto General Hospital, Toronto, Canada [96]

Patients with combined cardiorespiratory compromise that is life threatening; patients with predominantly respiratory failure that is progressive and with a level of oxygenation thought to be incompatible with life; patients placed on ECMO semielectively to provide support during a procedure (No distinction between fast and slow entry criteria)

University of Vienna, Austria [14]

PaO2/FiO2<70 mmHg at PEEP >10 cmH2O for 96 h

 
  1. A-aDO2, alveolar-arterial oxygen difference; CTstat, total thoracopulmonary compliance; EVLW, extravascular lung water; FiO2, fractional inspired oxygen; PaO2, arterial oxygen tension; PIP,peak inspiratory pressure; QS/QT, intrapulmonary right-to-left shunt; VE, minute ventilation.