Impact of frailty on post-procedural adverse outcomes in older adults aged ≥75 years undergoing percutaneous coronary intervention: a systematic review of observational studies - Summary - MDSpire

Impact of frailty on post-procedural adverse outcomes in older adults aged ≥75 years undergoing percutaneous coronary intervention: a systematic review of observational studies

  • By

  • Peng Tian

  • Liping Wang

  • Tianjiao He

  • Qiurong Zhang

  • Yingying Cai

  • May 14, 2026

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Objective:

To evaluate the impact of frailty on major clinical outcomes, both short- and long-term, in patients aged ≥75 years undergoing percutaneous coronary intervention (PCI).

Key Findings:
  • Frail patients aged ≥75 years had a higher risk of in-hospital death (RR = 3.16, 95% CI: 1.28–7.78) and all-cause death (RR = 2.51, 95% CI: 1.78–3.56).
  • Frailty increased the risk of complications, including bleeding (RR = 2.26, 95% CI: 1.54–3.31) and stroke (RR = 1.90, 95% CI: 1.86–1.94).
  • The evidence quality was rated low across all outcomes.
Interpretation:

Frailty significantly increases the risk of adverse outcomes following PCI in elderly patients, underscoring the need for careful risk assessment, shared decision-making, and individualized management strategies.

Limitations:
  • Low GRADE evidence quality indicates uncertainty in findings.
  • Potential bias in included studies due to observational nature.
  • Possible publication bias affecting the results.
Conclusion:

Frailty is associated with increased risks of mortality and complications in patients aged ≥75 years undergoing PCI, necessitating individualized management strategies.

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