Measurement of Cardiac Output and Blood Volume During Hemodialysis with Fluorescent Dye Dilution Technique.
Measurement of Cardiac Output and Blood Volume During Hemodialysis with Fluorescent Dye Dilution Technique.
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DOI：
10.1007/s10439-016-1711-6
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发表时间：
2017-03
影响因子：
3.8
通讯作者：
Holschneider DP
中科院分区：
文献类型：
--
作者：
Maarek JM;Rubinstein EH;Guo Y;Lane CJ;Campese VM;Holschneider DP
Intradialytic hypotensive events (IDH) accompanied by deleterious decreases of the cardiac output complicate up to 25% of hemodialysis treatments. Monitoring options available to track hemodynamic changes during hemodialysis have been found ineffective to anticipate the occurrence of IDH. We have assembled opto-electronic instrumentation that uses the fluorescence of a small bolus of indocyanine green dye injected in the hemodialysis circuit to estimate cardiac output and blood volume based on indicator dilution principles in patients receiving hemodialysis. The instrument and technique were tested in 24 adult end-stage renal failure subjects during 64 hemodialysis sessions. A single calibration factor could be used across subjects and across time. Intra-subject variability of the measurements over time was < 10%. Stroke volume index (mean ± SEM = 34±1 vs. 39±2 ml.m−2) and central blood volume index (783±36 vs. 881±33 ml.m−2) were lower at the beginning of the sessions in which IDH eventually occurred. Cardiac index, stroke volume index, and central blood volume index decreased with hemodialysis in all treatment sessions but the decrease was more intense in the IDH sessions. We conclude that hemodynamic monitoring can be implemented in patients receiving hemodialysis with minimal disruption of the treatment and could help understand intradialytic hypotension.
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