The effect of patient sex on survival in patients undergoing isolated coronary artery bypass surgery receiving a radial artery.

نویسندگان

  • Mark Pullan
  • Bilal H Kirmani
  • Thomas Conley
  • Aung Oo
  • Matthew Shaw
  • James McShane
  • Michael Poullis
چکیده

OBJECTIVES To determine whether patient sex makes a difference to in-hospital mortality and survival in patients undergoing isolated coronary artery bypass graft surgery (CABG) receiving a radial artery graft. METHODS Analysis of consecutive patients on a validated prospective cardiac surgery database was performed for patients undergoing isolated CABG. Uni- and multivariate analyses were performed for in-hospital mortality and long-term survival. A propensity analysis was also performed. RESULTS Overall mortality was 2.1% (n = 284) for all cases, n = 13 369. Median follow-up was 7.0 (interquartile range 4.1-10.1) years. Of the cases 28.2% of males (n = 384) and 29.7% of females (n = 764) had a radial artery utilized. Univariate analysis demonstrated that in-hospital mortality was significantly lower in male patients, P < 0.001, and radial artery use was associated with increased survival in males, P < 0.0001, but not in females, P = 0.82. In male patients, multivariate analysis failed to identify the radial artery as a risk factor for in-hospital death. The radial artery was identified as a significant prognostic factor, associated with improved long-term survival (hazard ratio [HR] 0.78, 95% confidence interval [CI] 0.69-0.88, P = 0.0001). Propensity analysis confirmed this finding (HR 0.76, 95% CI 0.67-0.86, P < 0.0001). In female patients, multivariate analysis failed to identify the radial artery as a significant factor determining in-hospital mortality or long-term survival. Propensity analysis confirmed these findings. CONCLUSION Males derive a significant survival advantage if they receive a radial artery graft when undergoing isolated CABG. The radial artery makes no difference to long-term survival in female patients. Radial artery use does not affect in-hospital mortality regardless of patient sex.

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عنوان ژورنال:
  • European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery

دوره 47 2  شماره 

صفحات  -

تاریخ انتشار 2015