Clinical Impact of the Endo-aortic Clamp for Redo Mitral Valve Surgery

J Cardiovasc Transl Res. 2024 Oct;17(5):1011-1017. doi: 10.1007/s12265-024-10509-7. Epub 2024 Apr 17.

Abstract

Aim of this study was to compare redo MV surgery patients undergoing right mini-thoracotomy and EAC with redo MV patients undergoing surgery through other approaches. Redo MV patients from 7 European centers were analyzed. Primary endpoint was 30-day mortality; secondary endpoints were stroke, re-exploration, low cardiac output syndrome (LCOS), respiratory failure, and intensive care unit (ICU) and in-hospital length-of-stay. Forty-nine patients underwent right mini-thoracotomy and EAC (22.7%), and 167 (77.3%) underwent surgery through other approaches (112 sternotomy, 40 unclamped mini-thoracotomies, and 15 mini-thoracotomies with trans-thoracic clamp). Thirty-day mortality, stroke, re-exploration for bleeding, and weaning failure were comparable. The EAC group showed significant lower rate of LCOS (p = 0.03) and shorter ICU (p = 0.04) and in-hospital length of stay (p = 0.002). The EAC allows the surgeon to reach the aorta, to clamp it, and to deliver the cardioplegia with a "no-touch" technique, with significant improvement in outcomes.

Keywords: Mitral valve prosthesis; Re-sternotomy, Adhesions; Redo; Retrograde arterial perfusion.

Publication types

  • Multicenter Study
  • Comparative Study

MeSH terms

  • Aged
  • Cardiac Surgical Procedures / adverse effects
  • Constriction
  • Europe
  • Female
  • Heart Valve Diseases / diagnostic imaging
  • Heart Valve Diseases / mortality
  • Heart Valve Diseases / physiopathology
  • Heart Valve Diseases / surgery
  • Heart Valve Prosthesis Implantation / adverse effects
  • Heart Valve Prosthesis Implantation / instrumentation
  • Humans
  • Length of Stay
  • Male
  • Middle Aged
  • Mitral Valve* / diagnostic imaging
  • Mitral Valve* / physiopathology
  • Mitral Valve* / surgery
  • Postoperative Complications / etiology
  • Reoperation*
  • Retrospective Studies
  • Risk Factors
  • Sternotomy / adverse effects
  • Thoracotomy* / adverse effects
  • Time Factors
  • Treatment Outcome