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Table 1 Patient characteristics and demographic data at study entry

From: A new prototype of an electronic jet-ventilator and its humidification system

Characteristic

 

   Age (years)

67 ± 12

   Sex (male/female)

      24/16

Etiology of acute respiratory failure (n)

 

   Postoperative

       20

   Pneumonia

       12

   Sepsis

       8

Drug treatment

 

   Midazolam (n, mg/kg per h)

  40, 0.12 ± 0.03

   Sufentanil (n, mg/kg per h)

  40, 0.012 ± 0.003

   Ketamine (n, mg/kg per h)

  15, 1.5 ± 0.5

Respirator therapy (CPPV, pressure controlled mode, by Evita*)

 

   Pmax (n, mbar)

40, 26 ± 4

   PEEP (n, mbar)

40, 10 ± 2

   FiO2 (n, %)

  40, 70 ± 16

   I:E (n, time ratio)

      40, 1:1

  1. *Draeger Corp, Luebeck, Germany. CPPV, continuouspositive pressure ventilation; Pmax, maximal airway pressure; PEEP, positiveend-expiratory pressure; FiO2, fractional inspiratory oxygenconcentration; I:E, inspiration to expiration time ratio.