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The effects of cardiopulmonary bypass on the function of white blood cells

Lung Inflation and Deflation and the Effect on Neutrophils

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN70523327
Enrollment
35
Registered
2015-11-05
Start date
2015-11-01
Completion date
Unknown
Last updated
2022-11-07

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

Conditions

The role of lung inflation on neutrophil function in patients undergoing coronary artery bypass grafting Circulatory System

Interventions

Eligible patients will be adults having coronary artery bypass grafting (CABG) at the Freeman Hospital, Newcastle upon Tyne. A full explanation of what is involved will be given when the patients are

Sponsors

Newcastle Upon Tyne Hospitals NHS Foundation Trust (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged 18 or over 2. Patients undergoing coronary artery bypass graft surgery

Exclusion criteria

Exclusion criteria: 1. Patients under 18 years of age 2. Lack of informed, written consent 3. Emergency surgery precluding the capacity to give sufficient time for informed written consent 4. Redo surgery 5. Patients taking part in other interventional studies of CTIMPs that may significantly affect white blood cell function

Design outcomes

Primary

MeasureTime frame
Differences in phagocytic capacity of neutrophils in blood is measured by way of direct microscopic visualisation of ingestion of Zymosan particles and by flow cytometric analysis using staph. aureus PHrodo bioparticles at baseline, during and after CPB.

Secondary

MeasureTime frame
1. Differences in neutrophil priming status is measured by differences in cell surface expression markers (CD11b and CD62L) and release of reactive oxygen species by flow cytometric analysis at baseline, during and after CPB 2. Differences in the serum cytokines of blood is measured using an ELISA assay at baseline, during and after CPB

Countries

England, United Kingdom

Contacts

Public ContactWendy Funston

Outcome results

None listed

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