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The Study

Exploring residual cardiovascular risk beyond LDL cholesterol in patients with acute destabilisation of known significant atherosclerosis

In simple terms

This study looks at a group of people who had heart attacks and already had heart disease. It found that those with very low 'bad' cholesterol (LDL) were more likely to have worse outcomes, but we can't say the low cholesterol caused this — it might just be linked to other problems. It shows a pattern, not proof.

44%

Analysis score

44/ 72

Maximum 72 for a cohort study.

Where the score came from

Reporting0
Methodology13
Publication100
Statistical77
Study type (basis of the score)
Cohort Study
Level 2b - Individual cohort study
What’s the bottom line?

Some people with very low 'bad' cholesterol still get heart attacks. This study looks at why that might happen and whether treatments work differently in these people.

Where does this study sit?

Systematic Reviews & Meta-analyses

Max 100

Randomized Trials

Max 90

Cohort Studies

Max 72

Case-Control

Max 58

Cross-Sectional

Max 44

Case Reports & Series

Max 30

Expert Opinion

Max 5
StrongerWeaker
Cohort Studies
Level 2
44

44 / 100

Quality score

Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.

Cannot establish causation

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Key takeaways

Summary

Based on the study abstract and findings.

  1. 1Even with great cholesterol levels, other health issues still raise heart attack risks.
  2. 2However, patients with low LDL may benefit more from stent procedures.
  3. 314% of people with heart attacks already had LDL cholesterol below 55 mg/dL.
  4. 4Those with very low LDL had higher risk of dying in the hospital (OR 2.00) and over time (HR 1.46), but this went away after adjusting for other health factors.
  5. 5Getting stents helped more in people with very low LDL (p = 0.045).

Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data

Publication

Journal

European Heart Journal

Year

2025

Authors

L. Bavuso, D. Fedele, S. Amicone, A. Maida, M. Basile, R. Belà, C. Asta, M. Di Leo, T. Manaresi, M. Ciarlantini, G. Pastore, M. Casuso, A. Sansonetti, A. Rinaldi, C. Pizzi

Analysis v3
DOI:10.1093/eurheartj/ehaf784.1654
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Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.