Evidence map›Paper›PMID 39372369›Full record

ArticleJACC. Advances2024

Carbohydrate Restriction-Induced Elevations in LDL-Cholesterol and Atherosclerosis: The KETO Trial.

Matthew Budoff, Venkat S Manubolu, April Kinninger, Nicholas G Norwitz, David Feldman, Thomas R Wood, Jonathan Fialkow, Ricardo Cury, Theodore Feldman, Khurram Nasir

Abstract read
In one paragraph

Article in JACC. Advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  8. Coronary artery calcification in type 1 diabetes after 10-year ketogenic diet.Journal of applied physiology (Bethesda, Md. : 1985) · 2025
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  18. A Case Report on the Metabolic Effects of a Very-Low-Carbohydrate Ketogenic Diet in a Patient WithDiabetes spectrum : a publication of the American Diabetes Association · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Matthew BudoffLundquist Institute at Harbor-UCLA Medical Center, Torrance, California, USA.
Venkat S ManuboluLundquist Institute at Harbor-UCLA Medical Center, Torrance, California, USA.
April KinningerLundquist Institute at Harbor-UCLA Medical Center, Torrance, California, USA.
Nicholas G NorwitzHarvard Medical School Boston, Massachusetts, USA.
David FeldmanCitizen Science Foundation, Las Vegas, Nevada, USA.
Thomas R WoodDepartment of Pediatrics, University of Washington School of Medicine, Seattle, Washington, USA.
Jonathan FialkowMiami Cardiac and Vascular Institute, Baptist Health South Florida, Miami, Florida, USA.
Ricardo CuryMiami Cardiac and Vascular Institute, Baptist Health South Florida, Miami, Florida, USA.
Theodore FeldmanMiami Cardiac and Vascular Institute, Baptist Health South Florida, Miami, Florida, USA.
Khurram NasirDivision of Cardiovascular Prevention and Wellness, Department of Cardiology, Houston Methodist DeBakey Heart & Vascular Center, Houston, Texas, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Increases in low-density lipoprotein cholesterol (LDL-C) can occur on carbohydrate restricted ketogenic diets. Lean metabolically healthy individuals with a low triglyceride-to-high-density lipoprotein cholesterol ratio appear particularly susceptible, giving rise to the novel "lean mass hyper-responder" (LMHR) phenotype. Objectives: The purpose of the study was to assess coronary plaque burden in LMHR and near-LMHR individuals with LDL-C ≥190 mg/dL (ketogenic diet [KETO]) compared to matched controls with lower LDL-C from the Miami Heart (MiHeart) cohort. Methods: There were 80 KETO individuals with carbohydrate restriction-induced LDL-C ≥190 mg/dL, high-density lipoprotein cholesterol ≥60 mg/dL, and triglyceride levels ≤80 mg/dL, without familial hypercholesterolemia, matched 1:1 with MiHeart subjects for age, gender, race, hyperlipidemia, hypertension, and smoking status. Coronary artery calcium and coronary computed tomography angiography (CCTA) were used to compare coronary plaque between groups and correlate LDL-C to plaque levels. Results: The matched mean age was 55.5 years, with a mean LDL-C of 272 (maximum LDL-C of 591) mg/dl and a mean 4.7-year duration on a KETO. There was no significant difference in coronary plaque burden in the KETO group as compared to MiHeart controls (mean LDL 123 mg/dL): coronary artery calcium score (median 0 [IQR: 0-56]) vs (1 [IQR: 0-49]) ( Conclusions: Coronary plaque in metabolically healthy individuals with carbohydrate restriction-induced LDL-C ≥190 mg/dL on KETO for a mean of 4.7 years is not greater than a matched cohort with 149 mg/dL lower average LDL-C. There is no association between LDL-C and plaque burden in either cohort. (Diet-induced Elevations in LDL-C and Progression of Atherosclerosis [Keto-CTA]; NCT057333255).

Indexed as

atherosclerosiscoronary CT angiographyketogenic dietLDL cholesterollean mass hyper-responderplaque

Identifiers

PMID39372369
PMCPMC11450898

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.