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Tsaousi G, Pitsis AA, Ioannidis GD, et al. A multidisciplinary approach to unplanned conversion from off-pump to on-pump beating heart coronary artery revascularization in patients with compromised left ventricular function. Crit Care Res Pract. 2014;2014:348021doi: 10.1155/2014/348021.
Tsaousi, G., Pitsis, A. A., Ioannidis, G. D., & Vasilakos, D. G. (2014). A multidisciplinary approach to unplanned conversion from off-pump to on-pump beating heart coronary artery revascularization in patients with compromised left ventricular function. Critical care research and practice, 2014348021. https://doi.org/10.1155/2014/348021
Tsaousi, Georgia, et al. "A multidisciplinary approach to unplanned conversion from off-pump to on-pump beating heart coronary artery revascularization in patients with compromised left ventricular function." Critical care research and practice vol. 2014 (2014): 348021. doi: https://doi.org/10.1155/2014/348021
Tsaousi G, Pitsis AA, Ioannidis GD, Vasilakos DG. A multidisciplinary approach to unplanned conversion from off-pump to on-pump beating heart coronary artery revascularization in patients with compromised left ventricular function. Crit Care Res Pract. 2014;2014:348021. doi: 10.1155/2014/348021. Epub 2014 Nov 12. PMID: 25478216; PMCID: PMC4244953.
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Crit Care Res Pract. 2014;2014:348021. doi: 10.1155/2014/348021. Epub 2014 Nov 12.

A multidisciplinary approach to unplanned conversion from off-pump to on-pump beating heart coronary artery revascularization in patients with compromised left ventricular function.

Critical care research and practice

Georgia Tsaousi, Antonis A Pitsis, George D Ioannidis, Dimitrios G Vasilakos

Affiliations

  1. Department of Anesthesiology and ICU, Faculty of Medicine, Aristotle University of Thessaloniki, Stilponos Kiriakidi 1, 54636 Thessaloniki, Greece.
  2. Department of Cardiosurgery and ICU, Saint Luke's Clinic, Panorama, 55236 Thessaloniki, Greece.

PMID: 25478216 PMCID: PMC4244953 DOI: 10.1155/2014/348021

Abstract

Aim. To comparably assess the perioperative risk factors that differentiate off-pump coronary artery bypass (OPCAB) grafting cases from those sustaining unplanned conversion to on-pump beating heart (ONCAB/BH) approach, in patients with left ventricular ejection fraction (LVEF) < 40%. Methods. Perioperative variables were retrospectively assessed in 216 patients with LVEF < 40%, who underwent myocardial revascularization with OPCAB (n = 171) or ONCAB/BH (n = 45) approach. The study endpoints were operative mortality (30-day) and morbidity assessed by length of intensive care unit stay (LOS-ICU), using 2 days as cut-off point. Results. Poor LVEF, increased EuroSCORE II, acute presentation, congestive heart failure, cerebrovascular disease, perioperative renal impairment, clinical status deterioration upon admission and during ICU stay, acute myocardial infarction, and low cardiac output syndrome supported by inotropes and/or balloon-pump counterpulsation were significantly related to ONCAB/BH group (P < 0.05). EuroSCORE II (P = 0.01) and LVEF (P = 0.03) were the most powerful discriminative predictors of intraoperative conversion to ONCAB/BH. Operative mortality was 2.9% in OPCAB and 6.6% in ONCAB/BH group (P = 0.224), while 23.4% participants in OPCAB and 42.2% in ONCAB/BH approach had a LOS-ICU > 2 days (P = 0.007). Conclusions. Patients with LVEF < 40% undergoing ONCAB/BH are subjected to more preoperative comorbidities and implicated ICU stay than their OPCAB counterparts, which influences adversely short-term morbidity, while operative mortality remains unaffected.

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