# Epidural Block Impairs HPV During One-lung Ventilation: an EIT- Based Prospective Observation Study

> **NCT04730089** · — · UNKNOWN · sponsor: **Shanghai Zhongshan Hospital** · enrollment: 50 (estimated)

## Conditions studied

- Epidural Block
- Electrical Impedance Tomography

## Interventions

- **DEVICE:** Electrical impedance tomography

## Key facts

- **NCT ID:** NCT04730089
- **Lead sponsor:** Shanghai Zhongshan Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-08-01
- **Primary completion:** 2022-07-31
- **Final completion:** 2022-07-31
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2021-01-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04730089

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04730089, "Epidural Block Impairs HPV During One-lung Ventilation: an EIT- Based Prospective Observation Study". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04730089. Licensed CC0.

---

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