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Autologous cell salvage in off-pump coronary artery bypass surgery reduces post-operative complications: a retrospective weighted-matching analysis

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Abstract

Objectives

Blood transfusion plays a crucial role in coronary artery bypass grafting (CABG). The choice between autologous cell saver (CS) and allogenic blood transfusion (ABT) has been a continuous debate in the medical community, especially within cardiac surgery. This study aimed to assess the outcomes of off-pump CABG (OPCAB) surgery in patients receiving blood solely via cell salvage compared to those receiving ABT or a combination of ABT and CS perioperatively.

Methods

A total of 414 patients who underwent isolated OPCAB surgery at our cardiovascular clinic were analyzed. Among them, 250 patients (60.4%) received blood via CS alone, while 164 patients (39.6%) received either ABT or a mix of ABT and CS. Stabilized inverse probability treatment weighted (IPTW) matching technique ensured balance in baseline covariates.

Results

We found no significant differences in 30-day mortality rates between the CS and ABT groups. The CS group displayed significantly lower rates of overall complications, encompassing stroke, acute kidney injury, atrial fibrillation, and pulmonary complications. Rates of sepsis, readmission, gastrointestinal complications, heparin-induced thrombosis, and deep venous thrombosis were comparable between the two groups. However, in contrast to the ABT group, the CS group exhibited significantly shorter median lengths of hospital stay (LOHS), ICU stay, and ventilation time, along with higher rates of discharge to home rather than acute care facilities.

Conclusion

Our data suggest that autologous blood transfusion via CS results in fewer perioperative complications and faster recovery following OPCAB procedures as compared to ABT.

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Data availability

The data that generate the results of this research work are available upon reasonable request from the corresponding author.

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Authors and Affiliations

  1. Department of Cardiovascular Surgery, Baylor Scott & White Medical Center-Temple, Temple, TX, USA

    Amber Malhotra, Md Anamul Islam, Giuseppe Tavilla, Nikki E. Williams & Thomas d’Amato

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  1. Amber Malhotra
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  2. Md Anamul Islam
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  3. Giuseppe Tavilla
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  4. Nikki E. Williams
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  5. Thomas d’Amato
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Correspondence to Md Anamul Islam.

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Malhotra, A., Islam, M.A., Tavilla, G. et al. Autologous cell salvage in off-pump coronary artery bypass surgery reduces post-operative complications: a retrospective weighted-matching analysis. Gen Thorac Cardiovasc Surg (2024). https://doi.org/10.1007/s11748-024-02012-2

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  • DOI: https://doi.org/10.1007/s11748-024-02012-2

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