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2015-06-01

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cc-by (c) Collado, S. et al., 2015
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/102728

Carotid atherosclerotic disease predicts cardiovascular events in hemodialysis patients: A prospective study

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http://dx.doi.org/10.1371/journal.pone.0127344

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Background To evaluate the predictive value of carotid atherosclerotic disease (CAD) and intima-media thickness (IMT) on incident cardiovascular disease and mortality in hemodialysis patients. Methods Multicenter, observational, prospective study including 110 patients, followed-up to 6 years. Carotid doppler ultrasonographic findings were classified in 4 degrees of severity: 1) IMT <0.9 mm, 2) IMT >0.9 mm, 3) carotid plaque with stenosis <50% and 4) plaque with stenosis >50%. The associations between IMT and CAD and cardiovascular events, total and cardiovascular mortality were assessed. Results 83% of the patients had atherosclerotic plaques (CAD degrees 3-4). During follow-up, 29.1% of patients experienced cardiovascular events, and 28.2% died, 38.7% of cardiovascular origin. The presence of plaques was associated with cardiovascular events (p = 0.03) while calcified plaques were associated with both cardiovascular events (p = 0.01), cardiovascular mortality (p = 0.03) and non-significantly with overall mortality (p = 0.08) in the survival analysis. Carotid IMT was not associated with outcomes. Cardiovascular events correlated with CAD severity (HR 2.27, 95% CI 1.13-4.54), age (HR 1.04, 1.01-1.06), previous cardiovascular disease (HR 1.75, 1.05-4.42), dyslipidemia (HR 2.25, 1.11-4.53), lipoprotein (a) (HR 1.01, 1.00-1.02), troponin I (HR 3.89, 1.07-14.18), fibrinogen levels (HR 1.38, 0.98-1.94) and antiplatelet therapy (HR 2.14, 1.04-4.4). In an age-adjusted multivariate model, cardiovascular events were independently associated with previous coronary artery disease (HR 3.29, 1.52-7.15) and lipoprotein (a) (HR 1.01, 1.00-1.02). Conclusions The presence of carotid plaques and, especially, calcified plaques, are predictors of new cardiovascular events and cardiovascular mortality in hemodialysis patients, while IMT was not. The prognostic value of calcified plaques should be confirmed in future studies.

Matèries

Diàlisi, Aterosclerosi, Malalties coronàries, Estenosi, Malalties del ronyó, Hipertensió, Estudi de casos

Matèries (anglès)

Dialysis, Atherosclerosis, Coronary diseases, Stenosis, Kidney diseases, Hypertension, Case studies

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Articles publicats en revistes (Medicina)

Citació

COLLADO, Sílvia, COLL PIERA, Elisabeth, NICOLAU, Carlos, PONS, Mercedes, CRUZADO, Josep ma., PASCUAL, Julio (pascual santos), CASES AMENÓS, A. (aleix). Carotid atherosclerotic disease predicts cardiovascular events in hemodialysis patients: A prospective study. _PLoS One_. 2015. Vol. 10, núm. 6, pàgs. e0127344. [consulta: 9 de gener de 2026]. ISSN: 1932-6203. [Disponible a: https://hdl.handle.net/2445/102728]

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