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Status unknownNCT05105932Updated Nov 3, 2021

The Study of Regional Lung Ventilation-perfusion by EIT

An observational study in Pulmonary Ventilation and Pulmonary Perfusion, sponsored by Peking Union Medical College Hospital. Status unknown at 1 site in China. Open to participants aged 18 Years to 80 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2021-11-03.

Sponsored by Peking Union Medical College Hospital · Observational

The sponsor has not verified this record recently (last verified Oct 2021), so the status shown — last known as Recruiting — may be out of date.
Study type
Observational
Model
Case-control
Time perspective
Prospective
Enrollment
100
Ages
18 Years to 80 Years
Sex
All
01

Study summary

This is a prospective observational trial. The purpose of this study is to explore the feasibility of EIT monitoring pulmonary blood flow and the consistency and difference between EIT monitoring pulmonary local ventilation blood flow and SPECT and CTPA monitoring methods

02

Conditions studied

  • Pulmonary Ventilation
  • Pulmonary Perfusion

Keywords

  • EIT
  • pulmonary perfusion
03

In context

Lead sponsor

Peking Union Medical College Hospital is the lead sponsor of 1,115 studies on the registry; 463 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Probability sample

Study population

Patients who need CTPA examination in the Department of nuclear medicine / radiology of Peking Union Medical College Hospital

Inclusion criteria

  1. Admission to ICU was less than 72 hours;
  2. Age ≥ 18 years old and ≤ 80 years old;
  3. Volunteer to participate after communicating with patients' family members;

Exclusion criteria

Exclusion Criteria:

  1. The patients with heart implants could not be monitored by EIT;
  2. Patients or their families refused to participate in the study;
  3. Hypernatremia
05

Study design

Observational model
Case-control
Time perspective
Prospective
Enrollment
100 participants (estimated)
Patient registry
No

Groups and cohorts

  • EIT group

    patients went through EIT detection

  • CTPA group

    patients went through CTPA detection

06

What researchers measure

Primary outcomes

  1. Regional pulmonary perfusion by EIT

    Using EIT to measure the regional pulmonary perfusion and calculate ventilation/perfusion ratio

    Time frame: 1 Day

  2. Regional pulmonary perfusion by CTPA

    Using CTPA to measure the regional pulmonary perfusion and calculate ventilation/perfusion ratio

    Time frame: 1 Day

Secondary outcomes

  1. Regional pulmonary ventilation index by EIT

    Regional pulmonary ventilation index by EIT, including GI: global inhomogeneity CoV: center of ventilation, ROI: region of interest

    Time frame: 1 Day

07

Study locations

1 of 1 sites recruiting
  • Peking Union Medical College Hospital
    Beijing, Beijing, China
    Recruiting
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 3, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05105932
Lead sponsor
Peking Union Medical College Hospital
Responsible party
Sponsor
First posted
Nov 3, 2021
Start date
Jan 1, 2020
Primary completion
Jun 1, 2023 (estimated)
Completion
Jun 1, 2023 (estimated)
Last update
Nov 3, 2021

Study contacts

Yun Long
Contact
ly_icu@aliyun.com
13911608699
Siyi Yuan
Contact
yuansiyizqh@163.com
15201518815
Yun Long
study director · Peking Union Medical College Hospital

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Oct 2021. You cannot join it, but the record below documents what was studied.

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