CompletedNot Applicable

Endotracheal Tube Size Effect on the Carbon Dioxide Washout During Jet Ventilation

Sweden26 participantsStarted 2022-06-13

Plain-language summary

High Frequency Jet Ventilation (HFJV) can be used in liver tumour ablation to minimise breathing related movements. The jet cannula is placed freely inside an endotracheal tube (ETT) and the outflow of air is passive, moving out in the interspace between the jet cannula and the inner walls of the ETT. This study aims to investigate whether the tube size can influence the washout of carbon dioxide using two different sizes of ETT's.

Who can participate

Age range

18 Years

Sex

MALE

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: * Male patients scheduled for stereotactic liver tumour ablation. * Need for an arterial line for safe monitoring of hemodynamic and respiratory variables during the procedure/anaesthesia. * Ability to understand the information about the study and be able to leave a written, informed consent. Exclusion Criteria: * Patients with known CO2 retention. * Patients shorter than 160 cm (as an endotracheal tube size 9 would then be too big).

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

Carbon dioxide level from an arterial line (PaCO2) after 15 minutes of HFJV.

Timeframe: 15 minutes after the start of HFJV

Trial details

NCT IDNCT05370001

SponsorRegion Stockholm

Sponsor typeOTHER_GOV

Study typeINTERVENTIONAL

Primary completion2023-01-26

View on ClinicalTrials.gov More Liver Tumor trials