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Carbohydrate antigen 125: an emerging prognostic risk factor in acute heart failure?
  1. Julio Núñez,
  2. Eduardo Núñez,
  3. Luciano Consuegra,
  4. Juan Sanchis,
  5. Vicent Bodí,
  6. Angel Martínez-Brotons,
  7. Vicente Bertomeu-González,
  8. Rocio Robles,
  9. Maria J Bosch,
  10. Lorenzo Fácila,
  11. Helene Darmofal,
  12. Angel Llàcer
  1. Servicio de Cardiología, Hospital Clínico Universitario, Universitat de Valencia, Valencia, Spain
  1. Correspondence to:
    Dr J Núñez
    Servicio de Cardiología, Hospital Clínico Universitario, Avda Blasco Ibáñez 17, 46010 Valencia, Spain; yulnunez{at}gmail.com

Abstract

Objective: To assess whether circulating levels of carbohydrate antigen 125 (CA125) predict subsequent 6-month all-cause mortality in patients after the index hospitalisation for acute heart failure (HF).

Design and setting: Prospective cohort study at a single teaching centre in Spain.

Methods: 529 consecutive patients with acute HF admitted in a single university centre were analysed. In addition to the traditional clinical information, CA125 (U/ml) was measured during the early course of hospitalisation. The independent association between baseline CA125 and mortality was assessed with Cox regression analysis. The follow-up was limited to 6 months.

Results: 349 (66%) patients showed serum levels of CA125 >35 U/ml (established cut-off point value). At a 6-month follow-up, 89 (16.8%) deaths were identified. A positive trend between mortality and CA125 quartiles was observed; 3.8%, 15.2%, 22% and 26.5% of deaths occurred from quartile 1 to 4 of CA125 (p<0.001). Likewise, a monotonic, ascending trend in the risk ratios was estimated from the multivariable Cox model. Compared with the first quartile of CA125, the HRs (95% CI) for the second, third and fourth quartiles were 3.25 (1.20 to 8.79), 4.91 (1.88 to 12.85) and 8.41 (3.24 to 21.79), respectively.

Conclusions: Serum levels of CA125 obtained in patients admitted with a diagnosis of acute HF was shown to be an independent predictor of mortality up to the 6-month follow-up.

  • CA125, carbohydrate antigen 125
  • GAM, generalised additive model
  • HF, heart failure
  • LVEF, left ventricular ejection fraction
  • NYHA, New York Heart Association

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Footnotes

  • Published Online First 12 December 2006

  • Competing interests: None declared.

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