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.