Assessment of Spread of Transversus Abdominis Plane Block

Assessment of Spread of Transversus Abdominis Plane Block After Administration of 20 ml Ropivacaine 0,5% Bilaterally

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT01024868

Enrollment

Registered

2009-12-03

Start date

2009-12-31

Completion date

Unknown

Last updated

2010-05-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Transversus Abdominis Plane Block

Keywords

Transversus Abdominis Plane Block

Brief summary

For the purpose of assessing the spread of the local anaesthetic after injecting it between abdominal muscles on both sides, the investigators will test if the patient can feel a change in the perception of cold and warm, as well as being pricked with a blunt needle. The investigators will also take several blood samples, together with routine samples, to measure the concentration of the local anesthetic in the blood.

Interventions

DRUGRopivacaine 0,5%

Injection of ropivacaine 0,5% 20 ml bilaterally before surgery

Study design

Observational model

CASE_ONLY

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* undergo abdominal surgery, eligible for TAP block, over 18, BMI 20-40

Exclusion criteria

* does not speak danish, does not consent, does not fulfill inclusion criteria

Countries

Denmark

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026