# Effect of Intraoperative Sedation on PND in Elderly Patients

> **NCT04891458** · NA · UNKNOWN · sponsor: **Hebei Medical University Third Hospital** · enrollment: 160 (estimated)

## Conditions studied

- Elderly
- Anesthesia

## Interventions

- **DRUG:** Patients received lighter sedation with propofol after spinal anesthesia.
- **DRUG:** Patients received heavier sedation with propofol after spinal anesthesia
- **DRUG:** Patients received lighter sedation with dexmedetomidine after spinal anesthesia
- **DRUG:** Patients received heavier sedation with dexmedetomidine after spinal anesthesia.

## Key facts

- **NCT ID:** NCT04891458
- **Lead sponsor:** Hebei Medical University Third Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-07-01
- **Primary completion:** 2022-06-30
- **Final completion:** 2022-07-31
- **Target enrollment:** 160 (ESTIMATED)
- **Last updated:** 2021-05-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04891458

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04891458, "Effect of Intraoperative Sedation on PND in Elderly Patients". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04891458. Licensed CC0.

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