British Journal of Anaesthesia, Vol 79, Issue 3 311-316, Copyright © 1997 by The Board of Management and Trustees of the British Journal of Anaesthesia
W. Buhre, A. Hoeft, B. Schorn, A. Weyland, M. Scholz and H. Sonntag
Despite numerous studies on extravascular lung water (EVLW) in patients
undergoing coronary artery bypass surgery, few data are available on the
perioperative time course of EVLW in patients undergoing mitral valve
replacement for mitral valve insufficiency (MVI). We have investigated 26
patients undergoing elective mitral valve replacement in order to determine
the influence of the preoperative degree of mitral valve insufficiency
(degree III or IV) and the effect of different priming solutions for
cardiopulmonary bypass. Crystalloid priming with Ringer's lactate was
compared with human albumin priming solution. Measurement of EVLW was
performed using the thermo-dye dilution technique, before and 1, 6 and 24 h
after surgery. Before operation, EVLW is increased significantly in
patients with MVI degree IV (MVI-degree IV) compared with patients with
degree III (MVI-degree III) and patients undergoing coronary artery bypass
surgery. During the postoperative time course a significant decrease in
EVLW was observed in patients with MVI-degree IV whereas in patients with
MVI-degree III the amount of EVLW did not change. However, compared with
patients undergoing coronary artery bypass surgery, EVLW remained above
normal in both groups. There was no interaction between the type of priming
solution and the postoperative time course of EVLW, and no differences in
respiratory variables or duration of mechanical ventilation were observed
between groups.
CLINICAL INVESTIGATIONS
Acute affect of mitral calve replacement on extravascular lung water in patients receiving colloid or crystalloid priming of cardiopulmonary bypass
Zentrum Anaesthesiologie, Rettungs- und Intensivmedizin der Universitat Gottingen, Robert-Koch-Str 40, D-37075 Gottingen, Germany; Klinik und Poliklinik fur Anasthesiologie und spezielle Intensivmedizin der Universitat Bonn, Sigmund Freud Str 25, D-53105 Bonn, Germany; Klinik und Poliklinik fur Thorax-, Herz und Gefabetachirurgie der Universitat Gottingen, Robert-Koch-Str 40, D-37075 Gottingen, Germany
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