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Chirurgia 2018 December;31(6):237-41

DOI: 10.23736/S0394-9508.18.04793-9

Copyright © 2018 EDIZIONI MINERVA MEDICA

lingua: Inglese

Effect of preoperative hemoglobin levels on early outcome of coronary artery bypass grafting

Amr A. IBRAHIM , Ahmed M. DEEBES, Mahmoud M. ABDRABBO, Kareem M. EL FAKHARANY

Department of Cardiothoracic Surgery, Zagazig University, Zagazig, Egypt


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BACKGROUND: Preoperative anemia is associated with increased morbidity and mortality after cardiac surgery, so we investigated the effect of preoperative hemoglobin levels on early outcome of coronary artery bypass grafting (CABG).
METHODS: This retrospective study included (782 cases) all patients underwent CABG, except those with the exclusion criteria (patients with preoperative heart failure, renal impairment, chronic liver disease or chronic obstructive pulmonary diseases), during a duration of 4 years from June 1st, 2013 to May 31st, 2017 in the department of cardiothoracic surgery at Zagazig University Hospitals. Anemia was defined as hemoglobin >12.0 g/dL in women and >13.0 g/dL in men. The items we focused on during the study were: ICU stay duration, postoperative bleeding, sternal wound infection, myocardial infarction, hospital stay duration and in-hospital mortality.
RESULTS: Our study reported that: the group with preoperative anemia was associated with increased incidence of adverse events more than the group with normal preoperative hemoglobin levels. The concluded results showed that: percentage of patients who suffered from prolonged ICU stay were 59.8% vs. 29.8%, postoperative bleeding 88.0% vs. 54.9%, sternal wound infection 6.0% vs. 2.8%, myocardial infarction 3.9% vs. 2%, prolonged hospital stay 61.5% vs. 31.8%, and in-hospital mortality 7.7% vs. 4% in the anemic and control group respectively.
CONCLUSIONS: Preoperative anemia is associated with a significantly increased risk of postoperative morbidity and mortality.


KEY WORDS: Anemia - Coronary artery bypass - Prognosis

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