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Clínica e Investigación en Arteriosclerosis (English Edition) Telomere length is associated with arterial damage in the CORDIOPREV study
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Vol. 38. Issue 4.
(July - August 2026)
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Vol. 38. Issue 4.
(July - August 2026)
Original article

Telomere length is associated with arterial damage in the CORDIOPREV study

Asociación entre la longitud telomérica y el daño arterial en el estudio CORDIOPREV
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Ana Ojeda-Rodrigueza,b,c,d,1,
Corresponding author
ana.ojeda@imibic.org

Corresponding author.
, Maria Jose Parraga-Viudeza,b,c,d,1, Alejandro López-Morenoa,b,c,d, Alejandro Serrán-Jiméneza,b,c,d, Alberto Díaz-Cáceresa,b,c,d, Javier Arenas-Montesa,b,c,d, José D. Torres-Peñaa,b,c,d, Justo P. Castañoc,d,e, Javier Delgado-Listaa,b,c,d,2, José López-Mirandaa,b,c,d,2,
Corresponding author
jlopezmir@uco.es

Corresponding author.
a Lipids and Atherosclerosis Unit, Internal Medicine Unit, Reina Sofia University Hospital, 14004 Córdoba, Spain
b Department of Medical and Surgical Science, University of Cordoba, 14004 Córdoba, Spain
c Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Av. Menendez Pidal, s/n, 14004 Cordoba, Spain
d CIBER Fisiopatologia de La Obesidad y Nutricion (CIBEROBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
e Department of Cell Biology, Physiology and Immunology, University of Cordoba, 14004, Spain
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Abstract
Background

Telomere length (TL) has emerged as a recognized biomarker of biological aging and cardiovascular risk. Several studies have associated short TL with increased incidence of cardiovascular disease and adverse outcomes. However, its value as a predictor of arterial injury remains unclear, especially in secondary prevention. This study examined the baseline association between TL and common carotid intima-media thickness (IMT-CC) in patients with coronary heart disease (CHD).

Methods

Of the 1002 CHD patients enrolled in the CORDIOPREV study, 903 completed baseline assessments of IMT-CC and TL. IMT-CC was measured bilaterally using high-resolution B-mode Doppler ultrasonography and categorized, according to the European Society of Cardiology guidelines, into three groups reflecting arterial injury: <0.7mm, 0.7–0.9mm, and ≥0.9mm. TL was determined using the quantitative PCR method. Patients were classified as at risk of short TL if their value was below the 20th percentile, and as non-risk if above this threshold.

Results

Patients with the highest IMT-CC values (≥0.9mm) had significantly shorter TL compared to those in the lowest group (<0.7mm, p=0.005), with a progressive decrease across IMT-CC categories (p for trend=0.02). The proportion of participants at risk of short telomeres increased significantly from 15% to 30% across these categories (p<0.001). In addition, the highest IMT-CC group showed a twofold greater risk of short telomeres compared to the reference group (<0.7mm; OR 2.373, 95%CI 1.4962–3.764), while no significant association was observed for the intermediate IMT-CC group (0.7–0.9mm; OR 1.352, 95%CI 0.896–2.039).

Conclusions

In CHD patients, shorter TL is associated to advanced subclinical arterial damage, supporting its potential role as a complementary biomarker for vascular aging and improved risk stratification in secondary prevention.

Keywords:
Coronary heart disease
Vascular aging
Secondary prevention
Subclinical atherosclerosis
Resumen
Antecedentes

La longitud de los telómeros (LT) ha emergido como un reconocido biomarcador de envejecimiento biológico y riesgo cardiovascular. Diversos estudios han asociado una LT corta con una mayor incidencia de enfermedad cardiovascular y con desenlaces adversos. Sin embargo, su valor como predictor de lesión arterial sigue sin estar claramente establecido, en especial en el contexto de la prevención secundaria. Este estudio evaluó la asociación basal entre la LT y el grosor íntima-media de ambas arterias carótidas comunes (GIM-CC) en pacientes con enfermedad coronaria (EC).

Métodos

De los 1.002 pacientes con EC incluidos en el estudio CORDIOPREV, 903 completaron las evaluaciones basales de GIM-CC y LT. El GIM-CC se midió bilateralmente mediante ecografía Doppler modo B de alta resolución y se clasificó, según las guías de la Sociedad Europea de Cardiología, en tres categorías de lesión arterial: <0,7mm, 0,7–0,9mm y ≥ 0,9mm. La LT se determinó mediante la técnica de PCR cuantitativa. Los pacientes fueron clasificados como en riesgo de LT corta si su valor se situaba por debajo del percentil 20, y como no en riesgo si estaba por encima de este umbral.

Resultados

Los pacientes con valores más altos de GIM-CC (≥ 0,9mm) presentaron una LT significativamente más corta en comparación con aquellos del grupo más bajo (< 0,7mm; p=0,005), observándose una disminución progresiva a través de las categorías de GIM-CC (valor p de tendencia=0,025). La proporción de participantes en riesgo de LT corta aumentó de manera significativa del 15% al 30% a lo largo de estas categorías (p<0,001). Además, el grupo con mayor GIM-CC mostró un riesgo duplicado de presentar LT corta en comparación con el grupo de referencia (< 0,7mm OR 2.373 IC 95% 1.4962), mientras que no se observó una asociación significativa en el grupo intermedio (0,7–0,9mm; OR 1.352 IC 95% 0,896-2,039).

Conclusiones

En pacientes con EC, una LT más corta se asocia con un daño arterial subclínico avanzado, lo que respalda su potencial como biomarcador complementario del envejecimiento vascular y para una mejor estratificación del riesgo en prevención secundaria.

Palabras clave:
Enfermedad coronaria
Envejecimiento vascular
Prevención secundaria
Aterosclerosis subclínica

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