Multiple arterial grafting improves long-term survival over single arterial grafting: JAMA
A new study published in the Journal of American Medical Association showed that regardless of left ventricular failure, surgeons should emphasize multiple arterial grafting over single arterial grafting to increase long-term survival. Complete arterial revascularization, which removes saphenous vein grafts, is linked to the highest benefit.
When compared to single arterial grafting with additional saphenous vein grafts, multiarterial cardiac bypass surgeries have better clinical results. It is unclear, therefore, if multiarterial grafting offers a survival benefit for patients with different degrees of left ventricular dysfunction. Thus, to examine the long-term survival results of patients following multiple vs. single arterial grafts, stratified by preoperative ejection fraction, Justin Ren and team carried out this investigation.
Data from a multicenter population-based cardiac registry set up by the Australian & New Zealand Society of Cardiac & Thoracic Surgeons and linked to the National Death Index were used in complete-case retrospective cohort research. Those who had primary isolated coronary bypass surgery between June 1, 2001, and January 31, 2020, were considered participants.
Nonadults, reoperations, concurrent or prior heart surgery, single-graft surgeries, and instances lacking arterial grafts were also excluded. The patients were stratified by their preoperative left ventricular ejection fraction who received either single or multiple arterial grafts were included in the primary exposure. The main endpoint of the study was long-term all-cause mortality.
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