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Association of exhaled air CO2 and drop in oxygen saturation indicator on Apnea Hypopnea index in suspected obstruction during sleep

correlation of end-tidal carbon dioxide and oxygen desaturation index with apnea hypopnea index in suspected obstructive sleep apnea

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2020/04/024592
Enrollment
87
Registered
2020-04-13
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: J398- Other specified diseases of upperrespiratory tract Health Condition 2: J398- Other specified diseases of upperrespiratory tract

Interventions

Intervention1: ETCO2 monitoring: ETCO2 monitoring for three minutes after the disconnection of sleep study machine

Sponsors

Manjuesh U Nayak
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1)Patient undergoing Polysomnography(type one to type three) under respiratory medicine 2)Suspected sleep apnea

Exclusion criteria

Exclusion criteria: 1) Patients on CPAP titration. 2) Second polysomnography study followed by NIV therapy.

Design outcomes

Primary

MeasureTime frame
Oxygen desaturation index in events per hour ( events/ hour) End-tidal carbon dioxide (ETCO2)in millimeters of mercury (mmHg).Timepoint: One time point (only baseline)—

Secondary

MeasureTime frame
Berlin Questionnaire assessment with ODI and ETCO2Timepoint: one time—

Countries

India

Contacts

Public ContactRamesh unnikrishnan

Manipal College of Health Professions

rameshkris19@gmail.com9900404492

Outcome results

None listed

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