# A Comparison Between Neurostimulation and Loss of Resistance for Cervical Paravertebral Blocks

> **NCT00640380** · NA · UNKNOWN · sponsor: **McGill University Health Centre/Research Institute of the McGill University Health Centre** · enrollment: 90 (estimated)

## Conditions studied

- Shoulder Surgery

## Interventions

- **OTHER:** Nerve stimulation
- **OTHER:** Loss of resistance to air

## Key facts

- **NCT ID:** NCT00640380
- **Lead sponsor:** McGill University Health Centre/Research Institute of the McGill University Health Centre
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2008-05
- **Primary completion:** 2008-10
- **Final completion:** 2008-10
- **Target enrollment:** 90 (ESTIMATED)
- **Last updated:** 2008-04-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00640380

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00640380, "A Comparison Between Neurostimulation and Loss of Resistance for Cervical Paravertebral Blocks". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT00640380. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*