Tailored Smartphone Communication for Post-Percutaneous Coronary Intervention Secondary Prevention: A Randomized Controlled Study - Summary - MDSpire

Tailored Smartphone Communication for Post-Percutaneous Coronary Intervention Secondary Prevention: A Randomized Controlled Study

  • By

  • Sunki Lee

  • Ji Bak Kim

  • Seung Eon Shin

  • Jeonghoon Ahn

  • Hyun-Ghang Jeong

  • Kyung Ho Jung

  • Younghoon Song

  • Eung Ju Kim

  • April 23, 2026

  • 0 min

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Objective:

To determine whether a personalized messaging intervention improves blood pressure control compared to usual care in post-PCI patients, specifically measuring the primary outcome of blood pressure levels.

Key Findings:
  • The personalized messaging intervention improved blood pressure control compared to usual care (specific statistical results). Higher engagement with the app was positively associated with achieving CV risk-factor targets.
Interpretation:

The study suggests that a lightweight, personalized messaging intervention can enhance secondary prevention efforts in post-PCI patients, potentially improving health outcomes.

Limitations:
  • Participants could not be fully blinded due to the nature of the intervention. The study was conducted at only two sites in Korea, which may limit generalizability. Potential biases or confounding factors were not fully addressed.
Conclusion:

AnSim, a smartphone-based messaging program, effectively supports post-PCI secondary prevention by improving blood pressure control and encouraging patient engagement, with implications for enhancing clinical practice.

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