Risk Factors for Elevated Carbon Dioxide Levels in Bronchoscopy Using Percutaneous Monitoring; A Prospective Observational Study.

Risk Factors for Hypercarbonemia Using Percutaneous Blood Gas Monitoring in Nonintubated and Intubated Flexible Bronchoscopy; A Prospective Observational Study. - Risk Factors for Hypercarbonemia in Nonintubated and Intubated Flexible Bronchoscopy; A Prospective Observational Study.

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000053984

Enrollment

Registered

2024-04-01

Start date

2024-03-07

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Respiratory disease requiring nonintubated and intubated flexible bronchoscopy.

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) 18 years of age or older at the time of consent. 2) Patients who undergo nonintubated and intubated flexible bronchoscopy in our department. 3) Patients who have been fully informed of the study and who have given their free and voluntary written consent based on their full understanding of the study.

Exclusion criteria

Exclusion criteria: 1) Patients with contraindications to flexible bronchoscopy 2) Patients with contraindications to midazolam or lidocaine administration 3) Patients who are judged by the principal investigator or subinvestigator to be unsuitable for the safe conduct of this study.

Design outcomes

Primary

Measure	Time frame
The highest tcPCO2 during bronchoscopy.	—

Secondary

Measure	Time frame
Differences in clinical characteristics between high tcPCO2 group and low tcPCO2 group.	—

Countries

Japan

Contacts

Public ContactRyutaro Hirama

Chiba University Hospital Department of Respirology

ryu.154038@gmail.com043-222-7171

Outcome results