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Outcomes and long-term quality of life of patients with severe left ventricular dysfunction who underwent coronary artery bypass surgery

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Abstract

Purpose

The aim of this study was to identify determinants of long-term results after coronary artery bypass surgery (CABG) in group of Iranian patients with systolic left ventricular (LV) dysfunction.

Methods

Reduced LV function was defined as an LV ejection fraction of <30%. Using our surgery database, we randomly selected 110 patients with EF < 30% and the same number of patients with EF ≥ 30% for whom demographic and clinical characteristics as well as inhospital postoperative outcomes were available. Followup data were completed for 94 patients with EF < 30% (85.5%) and 101 patients with EF ≥ 30% (91.8%). Longterm results of the operation and the patients’ quality of life were assessed for a mean follow-up period of 29.4 ± 11.0 months.

Results

In-hospital mortality and follow-up survival rates had no statistically differences in the low and normal EF groups (2.2% vs. 1.1% and 86.0% vs. 93.6%, respectively). Long-term surgical morbidity occurred in 43.6% of patients with severe LV dysfunction and in 38.6% of normal EF patients; it was considered similar for the two groups. Family history of coronary artery disease, New York Heart Association class IV, and moderate mitral insufficiency were the main predictors of long-term morbidity. Regarding the quality-of-life assessment, patients with severe LV dysfunction attained significantly lower levels of social activities.

Conclusion

Patients with severe LV dysfunction in comparison with those with normal LV function had similar 3-year survival rates and long-term complications. To improve survival following CABG in patients with severe LV dysfunction, mitral valve repair/replacement at the time of the initial operation should be considered.

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Authors and Affiliations

  1. Department of Cardiac Surgery, Tehran Heart Center, Tehran University of Medical Sciences, North Kargar Street, Tehran, 1411713138, Iran

    Saeed Davoodi, Abbasali Karimi & Seyed Hossein Ahmadi

  2. Department of Cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran

    Mehrdad Sheikhvatan, Hamidreza Goodarzynejad & Mahmood Sheikh Fathollahi

Authors
  1. Saeed Davoodi
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  2. Mehrdad Sheikhvatan
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  3. Abbasali Karimi
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  4. Seyed Hossein Ahmadi
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  5. Hamidreza Goodarzynejad
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  6. Mahmood Sheikh Fathollahi
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Correspondence to Saeed Davoodi.

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Davoodi, S., Sheikhvatan, M., Karimi, A. et al. Outcomes and long-term quality of life of patients with severe left ventricular dysfunction who underwent coronary artery bypass surgery. Gen Thorac Cardiovasc Surg 60, 202–212 (2012). https://doi.org/10.1007/s11748-010-0918-y

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  • DOI: https://doi.org/10.1007/s11748-010-0918-y

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