Study on a novel respiratory function monitoring indicator in general anaesthesia without intubation

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2300069710

Enrollment

Unknown

Registered

2023-03-23

Start date

2022-08-01

Completion date

Unknown

Last updated

2023-05-29

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

Conditions

Respiratory function monitoring in general anaesthesia without intubation of enteroscopy

Interventions

Experimental group:Integrated Pulmonary Index (IPI)

Control group:SpO2

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients' age between 18-65 years old. Without severe non-surgical health problems such as cardiovascular and respiratory diseases; 2. No smoking history; 3. No allergy history with anesthetic drugs; 4. ASA 1~2 and BMI 18~25 kg/cm2.

Exclusion criteria

Exclusion criteria: 1. Difficult airway, susceptibility to malignant hyperthermia, uncontrolled hypertension, arrhythmia, heart failure, etc. without severe non-surgical health problems e.g. cardiopvascular and respiratory diseases; 2. Obstructive sleep apnea (OSA), acute upper respiratory tract infection, obesity, asthma, smoking and no fasting; 3. Gastrointestinal retention, active bleeding, reflux or obstruction that can lead to reflux aspiration.

Design outcomes

Primary

Measure	Time frame
decreased blood oxygen saturation;	—

Secondary

Measure	Time frame
Hypoxic attack rate (SPO2 drop 10 s in EtCO2);	—

Countries

China

Contacts

Public ContactXu Yuhai

Air Force Medical

xyh1617hm@163.com+86 186 1178 0127

Outcome results

None listed

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