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Cardiovascular disease incidence in adolescent and young adult cancer survivors: a retrospective cohort study.

  • Author(s): Keegan, Theresa HM;
  • Kushi, Lawrence H;
  • Li, Qian;
  • Brunson, Ann;
  • Chawla, X;
  • Chew, Helen K;
  • Malogolowkin, Marcio;
  • Wun, Ted
  • et al.

Published Web Location

https://link.springer.com/article/10.1007/s11764-018-0678-8
No data is associated with this publication.
Abstract

Purpose

Few population-based studies have focused on cardiovascular disease (CVD) risk in adolescent and young adult (AYA; 15-39 years) cancer survivors and none have considered whether CVD risk differs by sociodemographic factors.

Methods

Analyses focused on 79,176 AYA patients diagnosed with 14 first primary cancers in 1996-2012 and surviving > 2 years after diagnosis with follow-up through 2014. Data were obtained from the California Cancer Registry and State hospital discharge data. CVD included coronary artery disease, heart failure, and stroke. The cumulative incidence of developing CVD accounted for the competing risk of death. Multivariable Cox proportional hazards regression evaluated factors associated with CVD and the impact of CVD on mortality.

Results

Overall, 2249 (2.8%) patients developed CVD. Survivors of central nervous system cancer (7.3%), acute lymphoid leukemia (6.9%), acute myeloid leukemia (6.8%), and non-Hodgkin lymphoma (4.1%) had the highest 10-year CVD incidence. In multivariable models, African-Americans (hazard ratio (HR) = 1.55, 95% confidence interval (CI) = 1.33-1.81; versus non-Hispanic Whites), those with public/no health insurance (HR = 1.78, 95% CI = 1.61-1.96; versus private) and those who resided in lower socioeconomic status neighborhoods had a higher CVD risk. These sociodemographic differences in CVD incidence were apparent across most cancer sites. The risk of death was increased by eightfold or higher among AYAs who developed CVD.

Conclusion

While cancer therapies are known to increase the risk of CVD, this study additionally shows that CVD risk varies by sociodemographic factors.

Implications for cancer survivors

The identification and mitigation of CVD risk factors in these subgroups may improve long-term patient outcomes.

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