Effect of a dedicated mitral heart team compared to a general heart team on survival: a retrospective, comparative, non-randomized interventional cohort study based on prospectively registered data

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Abstract

OBJECTIVES: Although in both the US and European guidelines the 'heart team approach' is a class I recommendation, supporting evidence is still lacking. Therefore, we sought to provide comparative survival data of patients with mitral valve disease referred to the general and the dedicated heart team.METHODS: In this retrospective cohort, patients evaluated for mitral valve disease by a general heart team (2009-2014) and a dedicated mitral valve heart team (2014-2018) were included. Decision-making was recorded prospectively in heart team electronic forms. The end point was overall survival from decision of the heart team.RESULTS: In total, 1145 patients were included of whom 641 (56%) were discussed by dedicated heart team and 504 (44%) by general heart team. At 5 years, survival probability was 0.74 [95% confidence interval (CI) 0.68-0.79] for the dedicated heart team group compared to 0.70 (95% CI 0.66-0.74, P = 0.040) for the general heart team. Relative risk of mortality adjusted for EuroSCORE II, treatment groups (surgical, transcatheter and non-intervention), mitral valve pathology (degenerative, functional, rheumatic and others) and 13 other baseline characteristics for patients in the dedicated heart team was 29% lower [hazard ratio (HR) 0.71, 95% CI 0.54-0.95; P = 0.019] than for the general heart team. The adjusted relative risk of mortality was 61% lower for patients following the advice of the heart team (HR 0.39, 95% CI 0.25-0.62; P < 0.001) and 43% lower for patients following the advice of the general heart team (HR 0.57, 95% CI 0.37-0.87; P = 0.010) compared to those who did not follow the advice of the heart team.CONCLUSIONS: In this retrospective cohort, patients treated for mitral valve disease based on a dedicated heart team decision have significantly higher survival independent of the allocated treatment, mitral valve pathology and baseline characteristics.
Original languageEnglish
Pages (from-to)263-273
Number of pages11
JournalEuropean Journal of Cardio-Thoracic Surgery
Volume60
Issue number2
DOIs
Publication statusPublished - 1 Aug 2021

Keywords

  • Heart team
  • Mitral valve disease
  • Multidisciplinary decision-making
  • MULTIDISCIPLINARY TEAM
  • VALVE REPAIR
  • REGURGITATION
  • OUTCOMES
  • SURGERY
  • ECHOCARDIOGRAPHY
  • ANNULOPLASTY
  • VOLUME
  • IMPACT

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