Heart Disease · 12 cited studies
Research on Heart Disease Mechanism
The heart-disease-mechanism literature is more nuanced than either side of the public conversation suggests. The mainstream LDL-causal model (Ference 2017 European Heart Journal) is supported by Mendelian randomization plus statin RCTs in primary prevention. Sniderman's 2019 JAMA Cardiology review argues ApoB particle count is a more accurate marker than LDL-C alone. PREDIMED (Estruch 2018) and the Lyon Diet Heart Study (de Lorgeril 1999) demonstrated Mediterranean dietary patterns reduce events ~30–70%. Yet Ravnskov's 2016 BMJ Open systematic review found inverse LDL-mortality association in the elderly. Byrne 2022 (JAMA Internal Medicine) found absolute mortality reduction from statins is small (~0.8%) and not strongly tied to LDL drop. Editorial position: ApoB and lipoprotein(a) are useful markers; food pattern dominates fatty-acid composition; statins matter most for secondary prevention. Below: the literature on both sides.
- Strong evidence2023
Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (SELECT)
Lincoff AM et al. · New England Journal of Medicine
SELECT trial: semaglutide reduced major adverse cardiovascular events by 20% in obese non-diabetic adults.
- Contested2017
Associations of fats and carbohydrate intake with cardiovascular disease and mortality in 18 countries (PURE)
Dehghan M et al. · The Lancet
PURE study: high carbohydrate intake associated with higher mortality; high fat intake — including saturated — was not.
- Contested2020
Saturated Fats and Health: A Reassessment and Proposal for Food-Based Recommendations
Astrup A et al. · Journal of the American College of Cardiology
Reassessment paper: total saturated-fat intake itself is not associated with CVD; food matrix and replacement food matter more.
- Contested2014
Association of dietary, circulating, and supplement fatty acids with coronary risk: a systematic review and meta-analysis
Chowdhury R et al. · Annals of Internal Medicine
Meta-analysis: no clear support for replacing saturated fat with polyunsaturated fat to reduce coronary risk.
- Mechanism only1994
Stroke in Papua New Guinea (Kitava study): the importance of cardiovascular risk factors in non-Westernized populations
Lindeberg S · Comparative Studies in Health Sciences and Anthropology
Kitava observational study: traditional Melanesian population had near-zero CVD on a starchy whole-food diet.
- Contested2016
Lack of an association or an inverse association between low-density-lipoprotein cholesterol and mortality in the elderly: a systematic review
Ravnskov U et al. · BMJ Open
Systematic review: LDL-C inversely associated with all-cause mortality in adults over 60 — challenges the LDL-causes-CHD model.
Heart DiseaseSource ↗ - Moderate evidence1992
Concerning the possibility of a nut
Castelli WP · Archives of Internal Medicine
Framingham observation: those with the lowest cholesterol diet ate the most fat — relationship is more complex than a single number.
Heart DiseaseSource ↗ - Moderate evidence2022
Evaluating the association between low-density lipoprotein cholesterol reduction and relative and absolute effects of statin treatment: a systematic review and meta-analysis
Byrne P et al. · JAMA Internal Medicine
Meta-analysis: absolute reduction in mortality from statins is small (~0.8%) and not strongly tied to LDL drop.
Heart DiseaseSource ↗ - Strong evidence2017
Low-density lipoproteins cause atherosclerotic cardiovascular disease
Ference BA et al. · European Heart Journal
Mendelian-randomization + RCT consensus: LDL particles are causally linked to ASCVD in primary prevention.
Heart DiseaseSource ↗ - Strong evidence2018
Primary Prevention of Cardiovascular Disease with a Mediterranean Diet Supplemented with Extra-Virgin Olive Oil or Nuts (PREDIMED)
Estruch R et al. · New England Journal of Medicine
PREDIMED RCT: Mediterranean diet with olive oil or nuts reduced major CV events by ~30% in high-risk adults.
Heart DiseaseSource ↗ - Strong evidence1999
Mediterranean diet, traditional risk factors, and the rate of cardiovascular complications after myocardial infarction (Lyon Diet Heart Study)
de Lorgeril M et al. · Circulation
Lyon Diet Heart Study: Mediterranean pattern reduced cardiac events ~70% vs prudent post-MI diet over 4 years.
Heart DiseaseSource ↗ - Strong evidence2019
Apolipoprotein B Particles and Cardiovascular Disease: A Narrative Review
Sniderman AD et al. · JAMA Cardiology
ApoB particle count is a more accurate marker of CV risk than LDL-C alone — every atherogenic particle has one ApoB.
Heart DiseaseSource ↗
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