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Influence of socioeconomic status on survival after primary aortic or mitral valve replacement
  1. Jens Peder Bagger (p.bagger{at}imperial.ac.uk)
  1. Hammersmith Hospital, United Kingdom
    1. Maria-Benedicta Edwards (m.b.edwards{at}imperial.ac.uk)
    1. Hammersmith Hospital, United Kingdom
      1. Kenneth M Taylor (k.m.taylor{at}imperial.ac.uk)
      1. Hammersmith Hospital, United Kingdom

        Abstract

        Objectives We sought to evaluate whether socioeconomic status influences outcome after first-time single aortic or mitral valve replacement.

        Setting National Heart Valve registry.

        Design and Patients Between 1st January 1986 and 31st December 2001, 51,844 consecutive patients who underwent primary aortic or mitral valve replacement were registered on the United Kingdom (UK) Heart Valve Registry. Data included age, gender, valve position, type of valve implant, postcode, follow-up time, date and cause of death. The Carstairs deprivation score (1991 Census data for the UK) was used to stratify cases by level of social deprivation according to postcodes.

        Results Both 30-day and 1-year survival/mortality rates were similar across all socioeconomic levels. However, long-term survival rate (up to 15 years) was significantly higher in the least deprived socioeconomic level as compared to the two most deprived levels. There was a 18% lower survival rate amongst women in the most deprived levels (35.9%, 95% CI: 32.4-39.4) versus the least deprived level (43.7%, 95% CI: 38.1-49.2, P<0.004). In males, survival in the most deprived levels (39.5%, 95% CI: 36.4-42.5) was 7% lower than in the least deprived level (42.7%, 95% CI: 37.7-47.7, P< 0.005). Biological valve, mitral position, female gender, and low socioeconomic status were all associated with long-term mortality.

        Conclusions A disadvantaged social background influences negatively long-term survival after aortic or mitral valve replacement especially among women.

        • aortic valve, mitral valve, valve replacement, survival, socioeconomic status

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