British Journal of Anaesthesia, Vol 75, Issue 4 488-490, Copyright © 1995 by The Board of Management and Trustees of the British Journal of Anaesthesia
P. Juvin, M. Moutafis, L. Raffin, P. Bonnette, A. Bisson and M. Fischler
Bilateral lung transplantation without cardiopulmonary bypass consists of
two sequential single lung transplantations. Variations in ventilatory
status during the procedure led us to study the (PaCO2- PE'CO2) gradient to
see if PE'CO2 might reflect PaCO2. The gradient was studied in 14 patients
at six times during operation. (PaCO2-PE'CO2) (kPa) was mean 1.97 (SD 0.7)
after induction, 3.2 (1.4) during single lung ventilation, 1.9 (1.1) after
clamping of the contralateral pulmonary artery, 2.96 (1.6) after
ventilation and vascularization of the first transplant and the remaining
native lung, 0.99 (0.8) during single lung ventilation with the first
transplant and 1.3 (0.8) during ventilation of both transplants. With
ventilation by the allograft lung(s) alone, the small (PaCO2-PE'CO2) value
demonstrated improvement in ventilatory status, enabled PaCO2 to be
assessed by PE'CO2 and demonstrated efficiency of the grafts.
SHORT COMMUNICATIONS
Double lung transplantation without cardiopulmonary bypass: arterial to end-tidal carbon dioxide partial pressure differences
CMC Foch, 40 Rue Worth, 92151 Suresnes, France
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