Thoracic electric impedance and fluid balance during aortic surgery |
| |
Authors: | F Jónsson P Madsen LG J?rgensen M Lunding NH Secher |
| |
Affiliation: | Anaestesiologisk afdeling, Rigshospitalet, K?benhavn. |
| |
Abstract: | Indices of fluid balance were evaluated during and after aortic surgery in 16 consecutive patients. Thoracic electrical impedance (TI), heart rate (HR), central venous (CVP), pulmonary artery mean (PAMP), pulmonary wedge (PWP) and mean arterial (MAP) pressures as well as fourteen arterial and venous blood gas variables were followed. Consistent with a reduction of TI during the operation, fluid balance was in excess, and it remained elevated on the first postoperative morning. The HR, MAP and PWP remained stable, while CVP and PAMP decreased. Of the determined variables only TI revealed a meaningful correlation to fluid balance (rho = -0.41; p < 0.01). The results indicate that while central venous and pulmonary artery mean pressures gave the impression of a volume deficit, the positive fluid balance was mirrored by thoracic electrical impedance. |
| |
Keywords: | |
本文献已被 PubMed 等数据库收录! |
|