eISSN: 1897-4252
ISSN: 1731-5530
Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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1/2020
vol. 17
 
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abstract:
Original paper

Quality of life in patients after coronary artery bypass grafting with bilateral internal thoracic artery versus single internal thoracic artery

Marcin Zębalski
1
,
Jarosław Bis
1
,
Michał Krejca
2
,
Marek A. Deja
1

1.
Department of Cardiac Surgery, Upper-Silesian Heart Center, Katowice, Poland
2.
Department of Cardiac Surgery, Medical University of Lodz, Lodz, Poland
Kardiochir Torakochir Pol 2020; 17 (1): 24-28
Online publish date: 2020/04/07
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Introduction
The left internal thoracic artery to the left anterior descending artery graft is recognized as the gold standard for coronary revascularization. We compared quality of life (QoL) in patients who received bilateral internal thoracic arteries (BITA) and those with a single internal thoracic artery (SITA) graft.

Aim
To assess QoL during a 10-year follow-up in patients who underwent coronary artery bypass grafting (CABG) with BITA vs. SITA.

Material and methods
We recruited 300 patients with multivessel coronary artery disease who underwent CABG from January 2005 to October 2010. Mean duration (standard deviation – SD) of follow-up was 3568 ±409 days. QoL was measured subjectively using a Likert scale and objectively by the WHOQOL-BREF questionnaire. Patients were interviewed by telephone.

Results
BITA patients reported marked improvement and improvement more often than SITA patients (58% vs. 43.3%, p = 0.02). Marked deterioration was noted by 2% of BITA patients and 3.3% of SITA patients (p = 0.03). Summarized results of the WHOQOL-BREF questionnaire showed significantly better QoL in the BITA group (median: 15.0) vs. SITA group (median: 14.75) (p = 0.02). There were more angina-free patients in the BITA group (84%) compared to SITA patients (72.7%) (p = 0.006). QoL did not correlate with patients’ body mass index (p = 0.10) or residence status (p = 0.51), but there was a weak negative correlation between QoL and patients’ age (r = –0.14, p = 0.01).

Conclusions
Surgical coronary revascularization using BITA improves QoL, particularly when measured by a Likert scale.

keywords:

internal mammary artery, quality of life

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