Clinical recurrence in patients with sequential bridges in coronary artery bypass grafting

Mario Gómez-Sánchez1, Roberto Perezgrovas-Olaria2, Gabriel García-Garnica2

  • 1Departamento de Investigación de Terapia Intensiva y Cirugía Cardiotorácica, Instituto Nacional de Cardiología Ignacio Chávez.

Insights

Coronary artery bypass grafting (CABG) using sequential or simple grafts showed similar low rates of recurrence, new ischemic events, or death. This study found no significant differences between the two CABG techniques in patient outcomes.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Clinical Outcomes Research

Background:

  • Coronary artery disease (CAD) management often involves coronary artery bypass grafting (CABG).
  • The choice between sequential and simple grafting techniques in CABG can impact clinical outcomes.
  • Understanding recurrence rates is crucial for long-term patient management after CABG.

Purpose of the Study:

  • To compare the recurrence rates of revascularization (redo CABG or PCI), new ischemic events, or death.
  • To evaluate outcomes in patients undergoing sequential versus simple CABG.
  • To analyze differences in clinical recurrence between sequential and simple graft techniques.

Main Methods:

  • An ambispective cohort study included 111 patients with sequential grafts and 145 with simple grafts.
  • Patients underwent first on-pump CABG between January 2013 and December 2017.
  • Follow-up involved medical record review and telephone contact to assess reintervention, new ischemic events, or cardiac death.

Main Results:

  • No statistically significant difference in recurrence proportion: 6.5% for sequential vs. 4.8% for simple grafts (p = 0.60).
  • Recurrence incidence rates were similar: 1.99 events/10^3 patient-months for sequential vs. 1.47 for simple (p = 0.58).
  • Lower average pump and cross-clamping times per graft were observed for sequential grafting, though not statistically significant (p = 0.7).

Conclusions:

  • Both sequential and simple CABG techniques demonstrate a low incidence of clinical recurrence.
  • There are no significant differences in major adverse cardiac events between sequential and simple grafting.
  • The choice of grafting technique does not appear to influence short-term clinical recurrence rates.
Abstract

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