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To explore the best pressue of CPAP during OLV with the bronchial blocker for thoracoscopy surgery

To explore the best pressue of CPAP during OLV with the bronchial blocker for thoracoscopy surgery

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1800017741
Enrollment
Unknown
Registered
2018-08-12
Start date
2018-08-10
Completion date
Unknown
Last updated
2018-08-20

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

Conditions

The pressure of CPAP during OLV with the bronchial blocker

Interventions

Control group:No
3cm H2O group:3cm H2O CPAP was given during during one-lung ventilation with the bronchial blocker
4cm H2O group:4cm H2O CPAP was given during during one-lung ventilation with the bronchial blocker
5cm H2O group:5cm H2O CPAP was given during during one-lung ventilation with the bronchial blocker

Sponsors

Fourth Hosiptal of Hebei Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 65 Years

Inclusion criteria

Inclusion criteria: ASA classification I~II; aged 40~65yr; the body mass index (BMI) 18.5~25kg/m2; FEV1/FVC%>70%; agreed to participate in the study and signed informed consent

Exclusion criteria

Exclusion criteria: anemia and other hematological diseases; one-lung ventilation continued less than 1 hour; SpO2<90% during OLV or applicated other measure

Design outcomes

Primary

MeasureTime frame
the range of lung expand;interfere with surgery or not;Blood gas analysis;—

Countries

China

Contacts

Public ContactFu Jianfeng

Fourth Hosiptal of Hebei Medical University

fffjf2008@sohu.com+86 18531176090

Outcome results

None listed

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