Pre-existing frailty in the elderly and long-term mortality following percutaneous coronary intervention

ith global improvements in life expectancy, the proportion of the world's population over 60 years of age has grown by 3% annually, and it is expected that by 2050, this population segment will nearly double. [1]his demographic transition carries profound impact on public health, with far-reaching economic implications for healthcare delivery, social and inhome care. [2]One of the most troublesome health manifestations of an ageing population is frailty, a multidimensional syndrome of accumulated ageand disease-related deficits that results in reduced resilience and increased vulnerability to stressors.