# Perfusion Index for Predicting Brachial Plexus Block Success Under General Anesthesia

> **NCT04925505** · — · COMPLETED · sponsor: **Korea University Guro Hospital** · enrollment: 70 (actual)

## Conditions studied

- Disorder of Shoulder

## Interventions

- **PROCEDURE:** Interscalene brachial plexus blocks with ultrasound guidance under general anesthesia

## Key facts

- **NCT ID:** NCT04925505
- **Lead sponsor:** Korea University Guro Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-03
- **Primary completion:** 2024-05-27
- **Final completion:** 2024-07-05
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2025-01-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04925505

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04925505, "Perfusion Index for Predicting Brachial Plexus Block Success Under General Anesthesia". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT04925505. Licensed CC0.

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