Are two internal thoracic grafts better than one? An analysis of 5301 cases

Abstract OBJECTIVES Although bilateral internal thoracic artery (BITA) grafting is associated with improved survival, many surgeons are reluctant to use this technique due to its greater complexity and the potentially increased risk of sternal infection. This observational study examined if BITA gra...

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Published in:European journal of cardio-thoracic surgery 2019-11, Vol.56 (5), p.935-941
Main Authors: Pevni, Dmitry, Mohr, Rephael, Kramer, Amir, Paz, Yosef, Nesher, Nachum, Ben-Gal, Yanai
Format: Article
Language:English
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Summary:Abstract OBJECTIVES Although bilateral internal thoracic artery (BITA) grafting is associated with improved survival, many surgeons are reluctant to use this technique due to its greater complexity and the potentially increased risk of sternal infection. This observational study examined if BITA grafting provides improved outcomes compared with single internal thoracic artery (SITA) grafting in patients with multivessel coronary disease. METHODS Patients in our institution who underwent BITA grafting during 1996–2011 were compared to those who underwent SITA grafting during the same period. To adjust for differences in demographic and clinical characteristics, patients were matched by propensity score. The Cox model was used to identify predictors of decreased survival and the Kaplan–Meier analysis was performed, both for the entire cohort and for the matched cohort. RESULTS SITA patients were older than BITA patients, included more females, and were more likely to have chronic obstructive lung disease, an ejection fraction
ISSN:1010-7940
1873-734X
DOI:10.1093/ejcts/ezz094