veroudering (fysiologisch) dehydration low circulatory volume
Conditions
Interventions
Sponsors
Vrije Universiteit Medisch Centrum
Eligibility
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: * Informed consent * Age 70 years or older * Scheduled for major surgery, defined as an expected length of stay of at least two postoperative days. * Patients who are fully able to understand the information letter
Exclusion criteria
Exclusion criteria: * Patients with cardiac arrhythmias * Symptoms of cardiovascular shock or decompensation at presentation * Impossible to perform measurements due to patient characteristics * Procedure in ambulatory practice * Acute surgery
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| The relationele of hypovolemia with postoperatieve complications; delirium and acute kidney injury. | — |
Primary
| Measure | Time frame |
|---|---|
| Incidence of hypovolemia: percentage of patients that have a change in stroke volume of more than 10% upon a passive leg raising test, per time point. | — |
Countries
The Netherlands
Outcome results
None listed