Diffusion of Local Anesthetic After Median Nerve Block

Median nerve block is widely practised, avoiding general anaesthesia in a number of cases and producing excellent post-operative analgesia in orthopedic surgery. Even realised by experienced anaesthetists,a failure rate of 5-15% is noticed. The principal aim of the study is to observe the local anesthetic solution diffusion after a conventional median nerve block technique using neurostimulation. The secondary objective is to compare diffusion and of block efficacy..

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Key information

Conditions

Median Nerve

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Hôpital Foch, Suresnes, France

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Patients undergoing elective hand surgery requiring a median block nerve.

Exclusion criteria

age lower than 18 years
pregnancy
contraindication to nerve block
inability to read, write or speak French
mental illness.

Treatment and study plan

Primary outcomes

Anesthesic diffusion degree

Time frame: 1 hour

Sponsors and collaborators

Lead sponsor

Hopital Foch

Other

Registry information

Official study title

Can Ultrasound Predict Success of Median Nerve Block? Relationship Between Diffusion of Local Anesthetic and Effectiveness of a Nerve Block

Acronym: Echoalr

Important dates

Study start: 2008
Primary completion: 2009
Study completion: 2009
First posted: Apr 2, 2008
Registry last updated: Sep 26, 2016

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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