NCT06358079

Brief Summary

To assess the efficacy and side-effects of re-infusion of unwashed shed blood during off-pump coronary artery surgery using a novel cardiotomy circuit.

Trial Health

55
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
50

participants targeted

Target at below P25 for not_applicable coronary-artery-disease

Timeline
Completed

Started Mar 2024

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 27, 2024

Completed
Same day until next milestone

Study Start

First participant enrolled

March 27, 2024

Completed
14 days until next milestone

First Posted

Study publicly available on registry

April 10, 2024

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 30, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 30, 2026

Completed
Last Updated

March 19, 2026

Status Verified

March 1, 2026

Enrollment Period

2 years

First QC Date

March 27, 2024

Last Update Submit

March 17, 2026

Conditions

Keywords

surgerycoronary artery bypass graftingbloodoff-pumpauto-transfusion

Outcome Measures

Primary Outcomes (9)

  • blood transfusion requirements

    volume of blood (ml) transfused

    up to 5 days post-operatively

  • inflammatory response

    changes in IL-6

    pre-operatively, immediately post-operatively, and 24 hours post-operatively

  • alveolar/arterial oxygen pressure gradients

    changes in alveolar/arterial oxygen pressure gradients peri-operatively

    pre-, 4 hours post-operatively, and post-extubation

  • cost-benefit

    cost of blood products, circuits and hospital stay

    up to 5 days postoperatively

  • Neuro-markers

    Changes in S-100

    pre-operatively, immediately post-operatively, and 24 hours post-operatively

  • myocardial marker CK-MB

    changes in CK-MB

    pre-operatively, immediately post-operatively, and 24 hours post-operatively

  • myocardial marker troponin-I

    changes in troponin-I

    pre-operatively, immediately post-operatively, and 24 hours post-operatively

  • blood loss

    volume (ml) of blood lost

    up to 24 hours post-operatively

  • complement response

    changes in C3a

    pre-operatively, immediately post-operatively, and 24 hours post-operatively

Study Arms (2)

Group 1: Use of circuit

EXPERIMENTAL

Re-infusion of unwashed shed blood

Procedure: Re-infusion of unwashed shed blood

Group 2: No circuit

NO INTERVENTION

No re-infusion of unwashed shed blood

Interventions

Use of an isolated cardiotomy circuit for re-infusion of unwashed shed blood during off-pump coronary artery surgery

Group 1: Use of circuit

Eligibility Criteria

Age40 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • All patients undergoing isolated off-pump coronary artery bypass surgery between March 1st, 2024 and March 31st, 2026.

You may not qualify if:

  • Missing data.
  • Patients outside the study period.
  • Patients under the age of 40 years or over the age of 75 years.
  • Patients with impaired left ventricular function (EF less the 40%).
  • Patients with history of renal failure, hepatic failure, CVA, or TIA.
  • Patients who have not stopped anticoagulants (except aspirin) for 4 days preoperatively.
  • Emergency operations.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Damascus University Cardiac Surgery Hospital

Damascus, Syria

Location

Related Publications (21)

  • Liumbruno GM, Waters JH. Unwashed shed blood: should we transfuse it? Blood Transfus. 2011 Jul;9(3):241-5. doi: 10.2450/2011.0109-10. Epub 2011 Apr 20. No abstract available.

    PMID: 21627923BACKGROUND
  • Konig G, Waters JH. Washing and filtering of cell-salvaged blood - does it make autotransfusion safer? Transfus Altern Transfus Med. 2012 Dec 1;12(3-4):78-87. doi: 10.1111/j.1778-428X.2012.01155.x. No abstract available.

    PMID: 24955005BACKGROUND
  • Westerberg M, Gabel J, Bengtsson A, Sellgren J, Eidem O, Jeppsson A. Hemodynamic effects of cardiotomy suction blood. J Thorac Cardiovasc Surg. 2006 Jun;131(6):1352-7. doi: 10.1016/j.jtcvs.2005.12.067.

    PMID: 16733169BACKGROUND
  • Gabel J, Westerberg M, Bengtsson A, Jeppsson A. Cell salvage of cardiotomy suction blood improves the balance between pro- and anti-inflammatory cytokines after cardiac surgery. Eur J Cardiothorac Surg. 2013 Sep;44(3):506-11. doi: 10.1093/ejcts/ezt019. Epub 2013 Feb 12.

    PMID: 23404689BACKGROUND
  • Yasukawa T, Manabe S, Hiraoka D, Hirayama D, Kinoshita R, Komori M, Hosokawa M, Hirooka K. Safety and efficacy of a simple cardiotomy suction system as a blood salvage procedure during off-pump coronary artery bypass surgery. J Artif Organs. 2019 Sep;22(3):194-199. doi: 10.1007/s10047-019-01103-9. Epub 2019 Apr 9.

    PMID: 30968273BACKGROUND
  • Vu T, Smith JA. An Update on Postoperative Cognitive Dysfunction Following Cardiac Surgery. Front Psychiatry. 2022 Jun 15;13:884907. doi: 10.3389/fpsyt.2022.884907. eCollection 2022.

    PMID: 35782418BACKGROUND
  • Dabrowski W, Rzecki Z, Czajkowski M, Pilat J, Wacinski P, Kotlinska E, Sztanke M, Sztanke K, Stazka K, Pasternak K. Volatile anesthetics reduce biochemical markers of brain injury and brain magnesium disorders in patients undergoing coronary artery bypass graft surgery. J Cardiothorac Vasc Anesth. 2012 Jun;26(3):395-402. doi: 10.1053/j.jvca.2011.10.014. Epub 2011 Dec 28.

    PMID: 22206712BACKGROUND
  • Allen SJ, McBride WT, McMurray TJ, Phillips AS, Penugonda SP, Campalani G, Young IS, Armstrong MA. Cell salvage alters the systemic inflammatory response after off-pump coronary artery bypass grafting surgery. Ann Thorac Surg. 2007 Feb;83(2):578-85. doi: 10.1016/j.athoracsur.2006.09.041.

    PMID: 17257991BACKGROUND
  • Baker RA, Merry AF. Cell salvage is beneficial for all cardiac surgical patients: arguments for and against. J Extra Corpor Technol. 2012 Mar;44(1):P38-41.

    PMID: 22730871BACKGROUND
  • Cote CL, Yip AM, MacLeod JB, O'Reilly B, Murray J, Ouzounian M, Brown CD, Forgie R, Pelletier MP, Hassan A. Efficacy of intraoperative cell salvage in decreasing perioperative blood transfusion rates in first-time cardiac surgery patients: a retrospective study. Can J Surg. 2016 Sep;59(5):330-6. doi: 10.1503/cjs.002216.

    PMID: 27668331BACKGROUND
  • Engels GE, van Klarenbosch J, Gu YJ, van Oeveren W, de Vries AJ. Intraoperative cell salvage during cardiac surgery is associated with reduced postoperative lung injury. Interact Cardiovasc Thorac Surg. 2016 Mar;22(3):298-304. doi: 10.1093/icvts/ivv355. Epub 2015 Dec 23.

    PMID: 26705299BACKGROUND
  • Izzat MB, Almohammad F, Raslan AF. Off-pump grafting does not reduce postoperative pulmonary dysfunction. Asian Cardiovasc Thorac Ann. 2017 Feb;25(2):113-117. doi: 10.1177/0218492316689350. Epub 2017 Jan 13.

    PMID: 28084083BACKGROUND
  • Wan IY, Arifi AA, Wan S, Yip JH, Sihoe AD, Thung KH, Wong EM, Yim AP. Beating heart revascularization with or without cardiopulmonary bypass: evaluation of inflammatory response in a prospective randomized study. J Thorac Cardiovasc Surg. 2004 Jun;127(6):1624-31. doi: 10.1016/j.jtcvs.2003.10.043.

    PMID: 15173716BACKGROUND
  • Kim KI, Lee WY, Ko HH, Kim HS, Jeong JH. Hemoglobin Level to Facilitate Off-Pump Coronary Artery Bypass without Transfusion. Korean J Thorac Cardiovasc Surg. 2014 Aug;47(4):350-7. doi: 10.5090/kjtcs.2014.47.4.350. Epub 2014 Aug 5.

    PMID: 25207243BACKGROUND
  • Kitano T, Hattori S, Miyakawa H, Yoshitake S, Iwasaka H, Noguchi T. Unwashed shed blood infusion causes deterioration in right ventricular function after coronary artery surgery. Anaesth Intensive Care. 2000 Dec;28(6):642-5. doi: 10.1177/0310057X0002800605.

    PMID: 11153289BACKGROUND
  • Munoz M, Slappendel R, Thomas D. Laboratory characteristics and clinical utility of post-operative cell salvage: washed or unwashed blood transfusion? Blood Transfus. 2011 Jul;9(3):248-61. doi: 10.2450/2010.0063-10. Epub 2010 Sep 14. No abstract available.

    PMID: 21084005BACKGROUND
  • Murphy GJ, Rogers CS, Lansdowne WB, Channon I, Alwair H, Cohen A, Caputo M, Angelini GD. Safety, efficacy, and cost of intraoperative cell salvage and autotransfusion after off-pump coronary artery bypass surgery: a randomized trial. J Thorac Cardiovasc Surg. 2005 Jul;130(1):20-8. doi: 10.1016/j.jtcvs.2004.12.006.

    PMID: 15999036BACKGROUND
  • Roman MA, Abbasciano RG, Pathak S, Oo S, Yusoff S, Wozniak M, Qureshi S, Lai FY, Kumar T, Richards T, Yao G, Estcourt L, Murphy GJ. Patient blood management interventions do not lead to important clinical benefits or cost-effectiveness for major surgery: a network meta-analysis. Br J Anaesth. 2021 Jan;126(1):149-156. doi: 10.1016/j.bja.2020.04.087. Epub 2020 Jun 30.

    PMID: 32620259BACKGROUND
  • Wan S, Izzat MB, Lee TW, Wan IY, Tang NL, Yim AP. Avoiding cardiopulmonary bypass in multivessel CABG reduces cytokine response and myocardial injury. Ann Thorac Surg. 1999 Jul;68(1):52-6; discussion 56-7. doi: 10.1016/s0003-4975(99)00315-x.

    PMID: 10421114BACKGROUND
  • Vieira SD, da Cunha Vieira Perini F, de Sousa LCB, Buffolo E, Chaccur P, Arrais M, Jatene FB. Autologous blood salvage in cardiac surgery: clinical evaluation, efficacy and levels of residual heparin. Hematol Transfus Cell Ther. 2021 Jan-Mar;43(1):1-8. doi: 10.1016/j.htct.2019.08.005. Epub 2019 Nov 7.

    PMID: 31791879BACKGROUND
  • Wozniak MJ, Sullo N, Qureshi S, Dott W, Cardigan R, Wiltshire M, Morris T, Nath M, Bittar N, Bhudia SK, Kumar T, Goodall AH, Murphy GJ. Randomized trial of red cell washing for the prevention of transfusion-associated organ injury in cardiac surgery. Br J Anaesth. 2017 May 1;118(5):689-698. doi: 10.1093/bja/aex083.

    PMID: 28475670BACKGROUND

MeSH Terms

Conditions

Coronary Artery DiseaseTransfusion Reaction

Condition Hierarchy (Ancestors)

Coronary DiseaseMyocardial IschemiaHeart DiseasesCardiovascular DiseasesArteriosclerosisArterial Occlusive DiseasesVascular DiseasesHematologic DiseasesHemic and Lymphatic DiseasesImmune System Diseases

Study Officials

  • Mohammad Bashar Izzat, FRCS(CTh)

    Damascus University

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Masking Details
Outcome assessor will be blinded to the group type when analyzing data
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: A prospective study involving patients undergoing off-pump coronary artery bypass surgery. Patients will be randomized to two groups; an isolated cardiotomy circuit for re-infusion of unwashed shed blood will be used in group (a) and the conventional no re-infusion technique will be used in group (b).
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 27, 2024

First Posted

April 10, 2024

Study Start

March 27, 2024

Primary Completion

March 30, 2026

Study Completion

March 30, 2026

Last Updated

March 19, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will share

Data will be deposited in a Data Repository

Shared Documents
STUDY PROTOCOL, SAP, ICF, CSR, ANALYTIC CODE
Time Frame
Upon completion of the study and will be there permanently
Access Criteria
Open to all

Locations