Impact of multiple arterial grafts in off-pump and on-pump coronary artery bypass surgery.

Mario Fulvio Luigi Gaudino, Umberto Benedetto, Massimo Caputo, Giovanni Mariscalco, Pierpaolo Chivasso, Alan Bryan, Gianni D. Angelini

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

8 Citazioni (Scopus)

Abstract

OBJECTIVES: There is growing concern that off-pump coronary artery bypass (OPCAB) is associated with reduced long-term survival compared with traditional on-pump coronary artery bypass (ONCAB); however, most of available comparisons between OPCAB and ONCAB focus on single-artery (SA) revascularization. We sought to investigate the impact of using multiple arterial (MA) conduits in the comparison between OPCAB versus ONCAB by performing a single-center, long-term propensity score base analysis. METHODS: The study population included 5195 SA-ONCAB, 1208 MA-ONCAB, 4412 SA-OPCAB, and 1818 MA-OPCAB procedures. Late survival was available for all cases (100%). Inverse propensity score weighting and a time-segmented Cox model were used for multiple treatments comparison. RESULTS: No significant differences were found between the 4 groups in terms of 30-day mortality, postoperative cerebrovascular accident, and renal replacement therapy. After a mean follow-up time of 8.2 ± 4.7 years, in the propensity score-weighted sample, survival probabilities at 10 years were 74.5 ± 0.4, 79.7 ± 0.4, 73.4 ± 0.5, and 79.0 ± 0.5 in the SA-ONCAB, MA-ONCAB, SA-OPCAB, and MA-OPCAB groups respectively. Propensity-weighted analysis confirmed that MA-OPCAB (hazard ratio, 0.81; 95% confidence interval, 0.69-0.98) and MA-ONCAB (hazard ratio, 0.81; 95% confidence interval, 0.65-0.99) were associated with a lower late mortality compared with standard SA-ONCAB. CONCLUSIONS: OPCAB with multiple arterial grafts is as safe as the conventional ONCAB and achieves excellent long term survival rates which are superior to those observed after standard SA-ONCAB and comparable with MA-ONCAB
Lingua originaleEnglish
pagine (da-a)300-309
Numero di pagine10
RivistaJOURNAL OF THORACIC AND CARDIOVASCULAR SURGERY
DOI
Stato di pubblicazionePubblicato - 2016

Keywords

  • bypass surgery

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