Predicting if the Blood Pressure Will Drop After Spinal Anesthesia Using Ultrasound of the Neck (NCT06711289) | Clinical Trial Compass
CompletedNot Applicable
Predicting if the Blood Pressure Will Drop After Spinal Anesthesia Using Ultrasound of the Neck
Netherlands44 participantsStarted 2023-04-12
Plain-language summary
After a spinal injection, blood pressure might drop for a short time, similar to what happens with general anesthesia. This drop can be different for each person. An anesthesiologist will use medicine to bring the blood pressure back to normal. If this drop could be predicted in advance, it would help the anesthesiologist treat it faster, making the procedure even safer and preventing side effects like dizziness or nausea.
Who can participate
Age range
18 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Adult patients of either sex who are scheduled for elective surgery under spinal anesthesia,
* Who fasted for 6 hours or more
Exclusion Criteria:
* Age \<18 years old
* No informed consent for study participation
* Contra-indication for spinal anesthesia
* Emergency surgery
* Known poor left or right ventricular function / heart failure
* Moderate to severe valvular disease
* Atrial fibrillation
* Pacemaker rhythm
* Carotid artery stenosis \> 50%
* History of cerebrovascular accident (CVA) or transient ischemic attack (TIA)
* History of cerebral trauma
* Pregnancy
* Neck complaints
* Morbid obesity (BMI \> 40 kg/m2)
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
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.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Determine the predictive value of pre-anesthetic carotid parameters to predict spinal anesthesia-induced hypotension.