Evaluation of End-tidal CO2 Measurement Via Nose and Pharynges in Non-intubated Patients During Digital Subtraction Cerebral Angiography

Status

Active, not recruiting

Phases

Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR-ONRC-11001414

Enrollment

Unknown

Registered

2011-07-01

Start date

2011-01-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

Patients treated by Digital Subtraction Cerebral Angiography

Interventions

1:Nil

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Male and female aged 18 to 65 years old; 2. Unconscious, ASA physical status I-III patients; 3. Undergoing digital subtraction cerebral angiograph

Exclusion criteria

Exclusion criteria: Patients with severe pulmonary disease (pulmonary tuberculosis, pulmonary interstitial fibrosis, chronic obstructive pulmonary disease) were excluded. Patients with shunt disease, fever, or who have high risk for aspiration such as reflux esophagitis, severe intracranial hypertension, and nausea and vomiting frequently were also excluded.

Design outcomes

Primary

Measure	Time frame
PETCO2';PaCO2;PETCO;	—

Countries

China

Contacts

Public ContactRurong Wang

rr1wang@yahoo.cn+86 18980601563

Outcome results

None listed

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