# Use of Brain Wave Monitoring During Surgery to Reduce Postoperative Cognitive Dysfunction

> **NCT04189861** · — · COMPLETED · sponsor: **Dartmouth-Hitchcock Medical Center** · enrollment: 31 (actual)

## Conditions studied

- Postoperative Cognitive Dysfunction

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04189861
- **Lead sponsor:** Dartmouth-Hitchcock Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-01-24
- **Primary completion:** 2025-11-11
- **Final completion:** 2025-11-11
- **Target enrollment:** 31 (ACTUAL)
- **Last updated:** 2026-01-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04189861

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04189861, "Use of Brain Wave Monitoring During Surgery to Reduce Postoperative Cognitive Dysfunction". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT04189861. Licensed CC0.

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