Visibility - Classification of Sono-visibility of Anatomical Structures in Peripheral Nerve Blocks

Charite University, Berlin, Germany1,200 enrolled

Overview

We assessed the visibility of peripheral nerves while ultrasound guided blockades with a novel scoring system to evaluate differences in visibility of different nerves.

We assessed the visibility of peripheral nerves while ultrasound guided blockades with a novel scoring system to evaluate differences in visibility of different nerves. VIS(visibility) 1 easy identification and instant visualisation of all structures VIS 2 identification and visualisation of all structures after some corrections VIS 3 identification and visualisation of structures only unsure VIS 4 identification and visualisation of all structures impossible VIS 5 no structures seen. We amended a sub-project in which assessed the visibility in protective nerve stimulated nerve blocks in 46 patients.

Study Type

OBSERVATIONAL

Enrollment

1,200

Conditions

Anesthesia, Local Anesthesia

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria (study sample N=1200): * peripheral nerve block by ultrasound guidance * age ≥ 18 years Exclusion Criteria: * contraindications for regional anesthesia Inclusion Criteria (study sample as of amendment n=46): * peripheral nerve block by ultrasound guidance * age ≥ 18 years Exclusion Criteria: * contraindications for regional anesthesia (study sample n=46) * using not the standard ultrasound machine * performing not a standard regional anesthesia

Locations (1)

Department of Anesthesiology and Operative Intensive Care Medicine, CCM and CVK

Berlin, Germany

Outcomes

Primary Outcomes

Visibility

The ultrasound visibility of the nerve scored by a 5-step scale.

Time frame: During regional block (an average of 1 hour)

Secondary Outcomes

Additional analgesia

The need and amount of additional analgetic drugs while the intervention.

Time frame: During surgery (an average of 4 hours)

Data from ClinicalTrials.gov

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