effecten van anesthesiologische handelingen hypotension low blood pressure
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Adult age (>18 years) - Written informed consent - Minor surgery under the umbilicus, e.g. herniorapphy, transurethral resection of bladder or prostate, orthopaedic procedures - ASA class I or II
Exclusion criteria
Exclusion criteria: - No informed consent - ASA class III or higher - Obstetric surgery - Emergency procedures - Pre-existing neurological injury or disease - Contra-indications for spinal anesthesia (e.g. coagulation abnormalities)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| effect of spinal anesthesia on vena cava inferior collapsibility, and interrater variability of transthoracic ultrasound assessment of vena cava inferior diameter and collapsibility | — |
Secondary
| Measure | Time frame |
|---|---|
| correlation between vena cava inferior collapsibility and peroperative hypotension | — |
Countries
Netherlands