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Determinants and prognostic value of Galectin-3 in patients with aortic valve stenosis
  1. Dimitri Arangalage1,2,3,
  2. Virginia Nguyen1,2,3,
  3. Tiphaine Robert4,
  4. Maria Melissopoulou1,
  5. Tiffany Mathieu1,
  6. Candice Estellat5,
  7. Isabelle Codogno1,
  8. Virginie Huart6,
  9. Xavier Duval7,
  10. Claire Cimadevilla8,
  11. Alec Vahanian1,2,3,
  12. Monique Dehoux4,
  13. David Messika-Zeitoun1,2,3
  1. 1Department of Cardiology, Bichat Hospital, Paris, France
  2. 2INSERM U1148, Bichat Hospital, Paris, France
  3. 3Faculté de Médecine Paris-Diderot, University Paris Diderot, Sorbonne Paris Cité, Paris, France
  4. 4Department of Biochemistry, Bichat Hospital, Paris, France
  5. 5Department of Epidemiology, Biostatistic and Clinical Research, Bichat Hospital, Paris, France
  6. 6Centre de Ressources Biologiques, Bichat Hospital, Paris, France
  7. 7Centre d'Investigation Clinique, Bichat Hospital, Paris, France
  8. 8Department of Cardiac Surgery, Bichat Hospital, Paris, France
  1. Correspondence to Dr David Messika-Zeitoun, AP-HP, Department of Cardiology, Bichat Hospital, 46 rue Henri Huchard, Paris 75018, France; david.messika-zeitoun{at}


Objective Myocardial fibrosis has been proposed as an outcome predictor in asymptomatic patients with severe aortic stenosis (AS) that may lead to consider prophylactic surgery. It can be detected using MRI but its widespread use is limited and development of substitute biomarkers is highly desirable. We analysed the determinants and prognostic value of galectin-3, one promising biomarker linked to myocardial fibrosis.

Methods Patients with at least mild degenerative AS enrolled between 2006 and 2013 in two ongoing studies, COFRASA/GENERAC (COhorte Française de Rétrécissement Aortique du Sujet Agé/GENEtique du Rétrécissement Aortique), aiming at assessing the determinants of AS occurrence and progression, constituted our population.

Results We prospectively enrolled 583 patients. The mean galectin-3 value was 14.3±5.6 ng/mL. There was no association between galectin-3 and functional status (p=0.55) or AS severity (p=0.58). Independent determinants of galectin-3 were age (p=0.0008), female gender (p=0.04), hypertension (p=0.002), diabetes (p=0.02), reduced left ventricular ejection fraction (p=0.01), diastolic dysfunction (E/e′, p=0.02) and creatinine clearance (p<0.0001). Among 330 asymptomatic patients at baseline, galectin-3 was neither predictive of outcome in univariate analysis (p=0.73), nor after adjustment for age, gender, rhythm, creatinine clearance and AS severity (p=0.66).

Conclusions In a prospective cohort of patients with a wide range of AS severity, galectin-3 was not associated with AS severity or functional status. Main determinants of galectin-3 were age, hypertension and renal function. Galectin-3 did not provide prognostic information on the occurrence of AS-related events. Our results do not support the use of galectin-3 in the decision-making process of asymptomatic patients with AS.

Trial registration number COFRASA NCT00338676 and GENERAC CT00647088

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