Induced hypovolemia is known to improve surgical field during living donor hepatectomy. This procedure is conventionally guided by monitoring the central venous pressure (CVP). Stroke volume variation (SVV) is a novel method to substitute with CVP to monitor cardiac preload. The investigators try to evaluate the relationship between CVP and SVV during CVP-guided vasodilator induced hypovolemia (validation study). Then, feasibility of vasodilator induced hypovolemia using the SVV calculated from the validation study will be tested (feasibility study).
Age range
20 Years – 60 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
target value of SVV
Timeframe: during living donor hepatectomy