Table 4

Haemodynamic data for group 1 and group 2 during intermittent positive pressure ventilation (IPPV, A1 and A2), negative pressure ventilation (NPV, B1 and B2), and following reinstitution of IPPV (C2 ).

  • Values are mean (SD). Significant differences are indicated by p<0.05.

  • 4-150 Five patients;

  • Paco 2, arterial carbon dioxide tension; Sao 2, systemic arterial oxygen saturation; CI, cardiac index; V˙o2, oxygen consumption; MV, mixed venous; a-v difference, arteriovenous oxygen content difference; MAP, mean arterial pressure.