Evaluating how local anesthetic spreads during knee surgery
Evaluation by Ultrasound Imaging of Local Anesthetic Spread to the Popliteal Fossa During an Adductor Canal Block
This study is trying to see how well a local anesthetic spreads during knee surgery to help improve pain management for patients.
Quick facts
| Study type | Observational |
|---|---|
| Enrollment | 100 (estimated) |
| Ages | 18 Years and up |
| Sex | All |
| Sponsor | Assistance Publique - Hôpitaux de Paris Academic / other |
| Locations | 1 site (Boulogne-Billancourt) |
| Trial ID | NCT06245460 on ClinicalTrials.gov |
What this trial studies
This observational study aims to assess the frequency of local anesthetic spread from the adductor canal block to the fibular and tibial nerves using ultrasound imaging at the popliteal fossa. The adductor canal block is a recognized analgesic technique for major knee surgeries, but the exact mechanisms behind its effectiveness are not fully understood. By measuring the diffusion of anesthetic to these nerves, the study seeks to provide insights that could enhance pain management strategies in knee surgery.
Who should consider this trial
Good fit: Ideal candidates are patients scheduled for elective knee surgery under general anesthesia who will receive an adductor canal block.
Not a fit: Patients with cognitive impairments, peripheral neuropathy, or those receiving additional analgesic blocks will not benefit from this study.
Why it matters
Potential benefit: If successful, this study could improve pain management techniques for patients undergoing knee surgery.
How similar studies have performed: While the adductor canal block is well-established, this specific evaluation of anesthetic spread is novel and has not been previously studied.
Eligibility criteria
Show full inclusion / exclusion criteria
Inclusion Criteria: * patients scheduled for elective knee surgery under general anesthesia * in center of Ambroise Paré hospital * receiving an adductor canal block Exclusion Criteria: * patients cognitively impaired * patients suffering from peripheral neuropathy at the lower limb * patients receiving an IPACK block or surgical knee infiltration to complete the adductor canal block analgesia * patients who refused to take part in this study * pregnant or breastfeeding patients * patients under guardianship * imprisoned patients * patients without any medical insurance
Where this trial is running
Boulogne-Billancourt
- Department of anesthesia, Ambroise Paré Hospital - APHP — Boulogne-Billancourt, France (Recruiting)
Study contacts
- Principal investigator: Romuald Henry, MD — Department of anesthesia, Ambroise Paré Hospital - APHP
- Study coordinator: Romuald Henry, MD
- Email: romuald.henry@aphp.fr
- Phone: + 33 1 71 16 77 44
How to participate
- Review the eligibility criteria above with your treating physician.
- Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
- Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.