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Completed

NCT Number: NCT02805582

Ultrasound Guided Intercostobrachial Nerve Block

The intercostobrachial nerve underlies many anatomical variations. For surgery of the upper arm the axilla is usually not anaesthetized by a brachial plexus block, which therefore needs to be completed by an intercostobrachial nerve block. The optimal access for an ultrasound guided block of the intercostobrachial nerve is not yet known. The investigators compare a proximal and a more distal approach to the nerve referred to onset time, sensory blocked area and duration.

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Key information

Conditions

Anaesthesia

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Marienhospital Stuttgart, Dpt. of Anaesthesiology

Stuttgart, Baden-Wurttemberg, 70199, Germany

About this study

The participants will be randomized into two groups:

Group one receives a modified PECS 2 (thoracic wall) block above the second intercostal space with injection between the Musculus serratus anterior and Musculus pectoralis minor.

Group 2 receives a subpectoral block under the pectoralis major muscle at the medial boarder of the axillary triangle.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • patients planned for vascular access surgery of the upper arm
  • surgery planned under regional anaesthesia

Exclusion criteria

  • patients refusal
  • age under 18
  • allergy against local anaesthetics
  • polyneuropathies

Treatment and study plan

10ml ropivacain 0.5%

Drug

Ultrasound guided nerve block

Other names: ropivacain Sintetica 0.5%

Primary outcomes

  1. Blocked area in squared cm

    Time frame: Assessment 30 minutes after intervention

    Area of sensory loss to pin prick test

Secondary outcomes

  1. Block onset time in minutes

    Time frame: Complete timeframe of 45 minutes with testing every 5 minutes

    Onset time of complete analgesia. Assessment by pin prick test in the middle of the axilla

  2. Block duration in minutes

    Time frame: Assessment every 30 minutes for 8 hours after nerve block

    Complete analgesia to pin prick in the middle of the axilla

  3. The pain numeric rating scale (NRS) during surgical manipulation in the axilla

    Time frame: From beginning to end of surgery. Estimated mean duration of 90 minutes.

Sponsors and collaborators

Lead sponsor

Dr. Christoph Ilies

Other

Registry information

Official study title

Area of Sensory Loss, Onset Time and Duration of Two Different Ultrasound Guided Intercostobrachial Nerve Blocks for Vascular Access Surgery of the Upper Arm

Important dates

Study start
2016
Primary completion
2017
Study completion
2018
First posted
Jun 20, 2016
Registry last updated
Apr 12, 2018

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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