速尿和体位对急性心肌梗死患者经胸电阻抗的影响。

Influence of furosemide and body posture on transthoracic electrical impedance in AMI.

作者信息

Larsen F, Mogensen L, Tedner B

出版信息

Chest. 1986 Nov;90(5):733-7. doi: 10.1378/chest.90.5.733.

DOI:10.1378/chest.90.5.733

Abstract

Transthoracic electrical impedance (TEI) is related to thoracic fluid content. In order to analyze this relation, we studied the acute effects of changes in body posture and of intravenous administration of furosemide on TEI in patients with different diuretic regimens. The TEI was measured using a tetrapolar electrode system, and a 100 microA constant current at 100 kHz. The measurements were performed repeatedly during the first two days in 15 consecutive patients with acute myocardial infarction (AMI) and without overt left heart failure, as evaluated from clinical data and bedside catheterization. It was concluded that TEI appears to be a sensitive, noninvasive means of evaluating changes in thoracic fluid content in AMI.

摘要

经胸电阻抗（TEI）与胸腔内液体含量有关。为了分析这种关系，我们研究了体位改变和静脉注射呋塞米对不同利尿方案患者TEI的急性影响。使用四极电极系统测量TEI，并在100kHz频率下施加100微安的恒定电流。在15例连续的急性心肌梗死（AMI）且无明显左心衰竭的患者中，根据临床资料和床边导管检查评估，在头两天内反复进行测量。得出的结论是，TEI似乎是评估AMI患者胸腔内液体含量变化的一种敏感、非侵入性方法。