Infrared imaging for monitoring respiratory depression in patients with non-intubated intravenous general anesthesia: a randomized, controlled, single-blind prospective study

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100046152

Enrollment

Unknown

Registered

2021-05-05

Start date

2021-05-06

Completion date

Unknown

Last updated

2021-12-21

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

Conditions

Respiratory depression

Interventions

Group Caro:Breathing is monitored by end-tidal carbon dioxide

Group Infra:Breathing is monitored by infrared thermography

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Aged 18 to 70 years; 2. ASA grade I-III; 3. Patients scheduled for painless colonoscopy were eligible to participate in the study.

Exclusion criteria

Exclusion criteria: 1. History of allergy to general anesthetics; 2. With difficult airway; 3. Operation time > 30 min; 4. With cognitive dysfunction; 5. With bradycardia (heart rate upon entering the operating room < 50 bpm); 6. Pregnant women.

Design outcomes

Primary

Measure	Time frame
Incidence of desaturation;The time from induction to the emergence of apnea;	—

Secondary

Measure	Time frame
The duration of apnea;Regular vital signs;	—

Countries

China

Contacts

Public ContactXing Jibin

The Third Affiliated Hospital of Sun Yat-Sen University

beenjoy@qq.com+86 13512728239

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026