Comparing blood cell damage in two types of heart-lung machines in patients undergoing open-heart surgery

ISRCTN ISRCTN11514932
DOI https://doi.org/10.1186/ISRCTN11514932
Secondary identifying numbers NL59160.015.16
Submission date
18/11/2020
Registration date
09/12/2020
Last edited
09/07/2021
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Surgery
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Background and study aims
Coronary artery bypass grafting (CABG) is a type of heart surgery used to treat coronary heart disease. It diverts blood around narrowed or clogged parts of the major arteries to improve blood flow and oxygen supply to the heart.
During heart surgery, the vital functions are maintained by a heart-lung machine. Heart-lung machines are known to cause blood cell damage. The aim of this study was to compare the amount of blood cell damage caused by two different types of heart-lung machines. Both heart-lung machines are used on a daily basis. This study will support future decision making of which type of heart-lung machine should be used during an operation.

Who can participate?
Patients scheduled to undergo coronary artery bypass grafting (CABG) surgery.

What does the study involve?
Participants were randomly allocated to one of two types of heart-lung machine. Blood samples were taken at 6 points in time after the induction of anesthesia. Per patient a total of 72 mL blood was collected through the central line or from the heart-lung machine and patients did not undergo extra interventions for this study.

What are the possible benefits and risks of participating?
For each individual patient no benefits or risks were involved by performing this study.

Where is the study run from?
Amphia Hospital in Breda (Netherlands)

When is the study starting and how long is it expected to run for?
September 2016 to May 2018

Who is funding the study?
1. Amphia Hospital (Netherlands)
2. Sanquin Amsterdam (Netherlands)

Who is the main contact?
Denise Hoogzaad, dhoogzaad@amphia.nl

Contact information

Ms Denise Hoogzaad
Scientific

Molengracht 21
Breda
48181CK
Netherlands

ORCiD logoORCID ID 0000-0003-2264-4352
Phone +31 (0)765955126
Email dhoogzaad@amphia.nl

Study information

Study designSingle-center prospective randomized controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Hospital
Study typeTreatment
Participant information sheet ISRCTN11514932_PIS_Dutch.doc
Scientific titleHemolysis and cell death in conventional versus miniaturized cardiopulmonary bypass systems
Study acronymECCiH study
Study objectivesThe MiECC system induces less hemolysis and cell death than the CECC system
Ethics approval(s)Approved 23/01/2017, Medisch ethische toetsingscommissie Maxima medisch centrum (De Run 4600, 5504 DB Veldhoven, Netherlands; +31 (040) 888 95 28; metc@mmc.nl), ref: W16.122
Health condition(s) or problem(s) studiedPatients undergoing coronary artery bypass grafting with cardiopulmonary bypass
InterventionPatients that required planned CABG surgery were randomly assigned for inclusion in one of two groups: (1) patients maintained by Conventional extracorporeal circulation system (n=20), (2) patients maintained by MiECC (n=20).

Samples were collected in the operation theater and in the ICU. In the ICU, samples were collected 2,5-3 hours after weaning from ECC and administration of protamine. There was no further follow-up for the included patients. We used the program Castor for the randomization process.
Intervention typeProcedure/Surgery
Primary outcome measureHemolysis was measured using free Hb and LDH as parameters. Blood was obtained at baseline, at 5 and 30 min, 10 min after clamp removal, post ECC and post-surgery at the intensive care unit (ICU)
Secondary outcome measuresCell death and neutrophil activation were measured using nucleosome and HNE-a1-ATc ELISA's. Blood was obtained at baseline, at 5 and 30 min, 10 min after clamp removal, post ECC and post-surgery at the intensive care unit (ICU)
Overall study start date01/09/2016
Completion date11/05/2018

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexBoth
Target number of participants40
Total final enrolment40
Key inclusion criteria1. Elective isolated CABG surgery with CPB at Amphia hospital
2. Male or female ≥18 years
3. The graft material used could be the: left internal mammary artery (LIMA), Right internal mammary artery (RIMA), Saphenous vein or Radial artery
Key exclusion criteria1. The creatinine level >150μmol/L
2. Aspartate transaminase (ASAT) level >80 U/L
3. Ejection Fraction (EF) <30%
4. BSA <1.6, ≥2.5m²
5. Carotid artery stenosis
6. Hemoglobin level <7.5, ≥10 mmol/L
7. Pre-operative red blood cell transfusion, <14 days before CABG procedure
Date of first enrolment19/09/2017
Date of final enrolment15/03/2018

Locations

Countries of recruitment

  • Netherlands

Study participating centre

Amphia hospital
Molengracht 21
Breda
4818CK
Netherlands

Sponsor information

Amphia Ziekenhuis
Hospital/treatment centre

Molengracht 21
Breda
4818CK
Netherlands

Phone +31 (0)76 595 1508
Email BGerritse@amphia.nl
Website http://www.amphia.nl/Pages/default.aspx
ROR logo "ROR" https://ror.org/01g21pa45

Funders

Funder type

Hospital/treatment centre

Amphia Hospital

No information available

Sanquin Amsterdam

No information available

Results and Publications

Intention to publish date31/12/2021
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot expected to be made available
Publication and dissemination planPlanned publication in a high-impact peer-reviewed journal.
IPD sharing planThe datasets generated during and/or analysed during the current study are not expected to be made available.

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Participant information sheet 04/01/2021 No Yes

Additional files

ISRCTN11514932_PIS_Dutch.doc
Uploaded 04/01/2021

Editorial Notes

09/07/2021: The intention to publish date has been changed from 31/01/2021 to 31/12/2021.
04/01/2021: The participant information sheet has been uploaded.
01/12/2020: Trial’s existence confirmed by Medisch ethische toetsingscommissie Maxima medisch centrum