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Can be galectin-3 a novel marker in determining mortality in hemodialysis patients?
Gulsum Ozkan1, Sukru Ulusoy2, Ahmet Menteşe3
1Department of Nephrology, Hatay Antakya State Hospital, Hatay, Turkey.
Insights
This study found that higher galectin-3 levels are linked to increased cardiac mortality in hemodialysis patients, suggesting it as a potential new biomarker for cardiovascular risk stratification.
Area of Science:
- Nephrology
- Cardiology
- Biomarkers
Background:
- Cardiovascular mortality is a significant concern for patients undergoing hemodialysis (HD).
- Assessing cardiovascular (CV) risk in HD patients presents challenges.
- Galectin-3, a known predictor of heart failure (HF) risk and CV mortality, has not been studied in this population.
Purpose of the Study:
- To investigate the relationship between galectin-3 levels and cardiac mortality in hemodialysis patients.
- To explore galectin-3 as a potential biomarker for cardiac mortality in this specific patient group.
Main Methods:
- A multi-center, prospective, observational study involving 290 clinically stable HD patients and 30 healthy controls.
- Patients were monitored for 24 months, with baseline galectin-3 and biochemical parameters measured.
- Statistical analysis, including multivariate Cox regression, was used to identify mortality predictors.
Main Results:
- Hemodialysis patients exhibited significantly higher galectin-3 levels compared to controls (p < 0.001).
- Galectin-3 was identified as a significant prognostic determinant for both all-cause mortality and cardiac mortality in multivariate analysis.
- Other identified predictors included age, low albumin, low diastolic blood pressure, and high C-reactive protein for all-cause mortality; and age, low albumin, and high systolic blood pressure for cardiac mortality.
Conclusions:
- Galectin-3 emerges as a novel potential biomarker for predicting cardiac mortality in hemodialysis patients.
- Further research is warranted to validate galectin-3's role in cardiovascular risk stratification for HD patients.
Background:
Cardiovascular (CV) mortality is common in hemodialysis (HD) patients. There are some difficulties involved in determining CV risk. Galectin-3 is a molecule with a demonstrated correlation with CV mortality and which is approved in the stratification of heart failure (HF) risk. The purpose of this study was to assess the previously uninvestigated relationship between galectin-3 and cardiac mortality in HD patients.
Methods:
Two hundred ninety clinically stable HD patients aged over 18 and on a thrice-weekly intermittent HD program lasting >3 months and 30 healthy individuals were enrolled in this multi-center, prospective, observational study and monitored over 24 months. Blood specimens were collected at the start of the study for the measurement of galectin-3 and other biochemical parameters. At the end of the study, the relations between galectin-3 and other biochemical and demographic parameters and mortality were analyzed.
Results:
Galectin-3 levels were significantly higher in the HD group compared to the control group (p < 0.001). All-cause mortality was observed in 63 (21%) patients. At multivariate Cox regression analysis, age, low albumin, low DBP, high galectin-3 and high HsCRP were identified as prognostic determinants of all-cause mortality, while age, low albumin, high galectin-3 and high SBP were identified as prognostic determinants of cardiac mortality.
Conclusion:
This study shows, for the first time in the literature, that galectin-3 may be a novel biomarker of cardiac mortality in HD patients. We think that, when supported by further studies, galectin-3 can be a promising biomarker in predicting cardiac mortality in HD patients.
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