RETRACTED: INFLUENCE OF HYPERTONIC VOLUME REPLACEMENT ON THE MICROCIRCULATION IN CARDIAC-SURGERY (Retracted article. See vol. 125, pg. 412, 2020)

被引:27
|
作者
BOLDT, J [1 ]
ZICKMANN, B [1 ]
HEROLD, C [1 ]
BALLESTEROS, M [1 ]
DAPPER, F [1 ]
HEMPELMANN, G [1 ]
机构
[1] UNIV GIESSEN, DEPT CARDIOVASC SURG, W-6300 GIESSEN, GERMANY
关键词
BLOOD; VOLUME; MICROCIRCULATION; SURGERY; CARDIOVASCULAR;
D O I
10.1093/bja/67.5.595
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
We have studied the effects of two types of volume replacement on the microcirculation in an open, controlled study in 45 patients undergoing aorto-coronary bypass grafting whose pulmonary capillary wedge pressure (PCWP) was < 5 mm Hg. Hypertonic saline prepared in hydroxyethylstarch solution (HS-HES, n = 15) and 6% HES 200/0.5 solution (6% HES; n = 15) were infused randomly before operation in order to double the PCWP. Patients not given an infusion served as controls (n = 15). Skin microcirculatory blood flow was investigated by laser Doppler flow (LDF) measured simultaneously at the forearm and forehead before and after cardiopulmonary bypass (CPB). Less HS-HES (3.8 (SD 0.3) ml kg-1) than 6% HES-solution (9.7 (1.5) ml kg-1) was necessary to double baseline PCWP. There were no differences in heart rate and mean arterial pressure (MAP) between the groups. Cardiac index (CI) increased significantly in both volume groups (HS-HES max. +54%; 6% HES max. +30%). Systemic vascular resistance (SVR) decreased after infusion of HS-HES (-30%) and after 6% HES (-19%) and remained almost unchanged in the control group. Plasma viscosity decreased after infusion of HS-HES and increased slightly in control patients (+4%). In comparison with the 6% HES and particularly with the control group, LDF was significantly greater after infusion of HS-HES (forearm +80%; forehead +28%). LDF during CPB and thereafter was always greater than baseline values in the HS-HES group, whereas after bypass LDF was reduced in the 6% HES (-5%) and particularly in the control patients (-30%). No differences in temperature (oesophageal, rectal, forearm, forehead) occurred between groups. Changes in MAP, Cl, SVR, haemoglobin and viscosity did not correlate with skin blood flow. It was concluded that the preoperative infusion of HS-HES resulted in a significant improvement in microcirculation before, during and after CPB.
引用
收藏
页码:595 / 602
页数:8
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