Not Yet RecruitingNot Applicable

Real-time Ultrasound Guidance for Thoracic Epidural Blocks

Chile100 participantsStarted 2024-07

Plain-language summary

Various modalities have been proposed for real-time confirmation of loss of resistance (LOR) for thoracic epidural blocks. With real-time ultrasound (US) guidance, the anesthesiologist attempts to visualize the sonographic advancement of the epidural needle and penetration of the epidural space (as detected by LOR) This observational study is set out to confirm the reliability of real-time ultrasound guidance as an adjunct to LOR for thoracic epidural blocks.

Who can participate

Age range18 Years – 80 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Age between 18 and 80 years * American Society of Anesthesiologists classification 1-3 * Body mass index between 20 and 35 (kg/m2) Exclusion Criteria: * Adults who are unable to give their own consent * Sepsis (assessed by history and physical examination and, if deemed clinically necessary, by blood work up i.e. leukocytosis, increased c-reactive protein, increased procalcitonin) * Coagulopathy (assessed by history and physical examination and, if deemed clinically necessary, by blood work up i.e. platelets ≤ 100, International Normalized Ratio ≥ 1.4 or prothrombin time ≥ 50) * Allergy to local anesthetics (LAs) * Prior surgery in the thoracic spine

What they're measuring

Percentage of successful epidural blocks after US-guided insertion of epidural catheters

Timeframe: 15 minutes after the local anesthetic injection through the epidural catheter

Trial details

NCT IDNCT05165498

SponsorUniversity of Chile

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2026-12

Contact for this trial

Julián Aliste, MD

+56229788221 julian.aliste@uchile.cl

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