Medicine

Smaller Chest Incision Matches Traditional Open-Heart Surgery for Bypass Outcomes

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A randomized controlled trial published in The Lancet compared minimally invasive cardiac surgery coronary artery bypass grafting (MICS CABG) performed through a small chest incision to traditional sternotomy CABG in patients with multivessel coronary artery disease. The study found that MICS CABG performed by experienced surgical teams resulted in improved patient-reported physical recovery at one month post-surgery compared to the traditional approach, with no increased safety concerns observed during the 12-month follow-up period.


This research provides evidence that a less invasive surgical approach can achieve comparable safety outcomes to traditional open-heart surgery while improving short-term physical recovery for appropriately selected patients. The findings may influence surgical decision-making and patient selection criteria, though the technique requires experienced teams and careful patient screening.


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For selected patients with multivessel coronary artery disease, MICS CABG performed by experienced teams improved patient-reported physical recovery at 1 month compared with sternotomy CABG, with no apparent safety penalty through to 12 months. These findings support consideration of MICS CABG in appropriately selected patients treated by experienced teams, and further studies of implementation, recovery pathways, and long-term outcomes.

Source: [Articles] Multivessel coronary artery bypass grafting via small thoracotomy versus sternotomy (MIST): an investigator-initiated, international, open-label, randomised controlled trial