# Evaluation of Supraclavicular Brachial Plexus Blocks at Various Volumes: Impact on Optic Nerve Sheath Diameter

> **NCT06428461** · NA · COMPLETED · sponsor: **Pamukkale University** · enrollment: 64 (actual)

## Conditions studied

- Upper Limb Injury
- Intracranial Pressure Increase

## Interventions

- **PROCEDURE:** Supraclavicular brachial plexus block
- **DEVICE:** Measurement of Optic Nerve Sheath Diameter (ONSD) Using B-Mode Ultrasound
- **DEVICE:** Assessment of Peripheral Nerve Block Success Using Perfusion Index Measurement
- **DEVICE:** End-Tidal Carbon Dioxide (EtCO2) Measurement

## Key facts

- **NCT ID:** NCT06428461
- **Lead sponsor:** Pamukkale University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2024-05-20
- **Primary completion:** 2024-08-03
- **Final completion:** 2025-04-10
- **Target enrollment:** 64 (ACTUAL)
- **Last updated:** 2026-03-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06428461

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06428461, "Evaluation of Supraclavicular Brachial Plexus Blocks at Various Volumes: Impact on Optic Nerve Sheath Diameter". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT06428461. Licensed CC0.

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