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Analysis of CT pulmonary ventilation and blood flow perfusion in patients with sleep apnea hypopnea syndrome

Analysis of CT pulmonary ventilation and blood flow perfusion in patients with sleep apnea hypopnea syndrome

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500096579
Enrollment
Unknown
Registered
2025-01-26
Start date
2024-03-04
Completion date
Unknown
Last updated
2025-02-03

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

Conditions

Sleep Apnea Hypopnea Syndrome (SAHS)

Interventions

SAHS group:None
Non-SAHS group:None

Sponsors

Huai'an First People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: SAHS patients: 1.Clinical diagnosis of Sleep Apnea Hypopnea Syndrome. 2.Normal mental status and ability to cooperate with the examination. 3.No adverse reactions to iodine contrast agents. 4.Obtained written informed consent. Non-SAHS patients: 1.Clinical diagnosis of other chest diseases requiring enhanced chest CT examination. 2.Normal mental status and ability to cooperate with the examination. 3.No adverse reactions to iodine contrast agents. 4.Obtained written informed consent.

Exclusion criteria

Exclusion criteria: 1.Difficult to evaluate due to the presence of artifacts in the scanned images. 2. History of adverse reactions to iodine contrast agents. 3.Refusal to complete multiphase scans. 4.Presence of pulmonary space-occupying lesions.

Design outcomes

Primary

MeasureTime frame
gas:blood volume ratio;—

Secondary

MeasureTime frame
gross ventilation volume;regional ventilation volume;—

Countries

China

Contacts

Public ContactLili Guo

Huai'an First People's Hospital

guolili163@163.com+86 13651549848

Outcome results

None listed

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