Impact of Vitamin D Supplementation in a Heart Failure Population
Abstract Introduction: Vitamin D (VD) deficiency is a major comorbidity, frequently associated to heart failure (HF). VD supplementation effects in these patients remain unknown. Therefore, this study aims to evaluate the impact of VD deficiency treatment or therapy correction in HF patients´ cohort. Material and Methods: Observational retrospective sin-gle-center study enrolling patients admitted to a HF clinic with VD deficiency. VD was prescribed to these patients with reassessment of its levels 12 months later. Study population was divided in: [VD (+) group: corrected VD deficiency] and [VD (-): maintained VD deficiency]. Variables were analysed in both groups. Results and Conclusion: Eighty-seven patients were in-cluded with no difference of baseline characteristics between the groups. Poor compliance was reported in 40% of VD (-) patients. After treatment, there were no statistically difference in variables analysed between the two groups: NYHA class I, NT-proBNP, HF hospitalizations in the previous year, Duke Activity Score Index score and 6 minute Walking Distance. VD (+) group had a statistically significant decrease of NT-proBNP level over time (1740 ± 2761 pg/mL to 851 ± 1436 pg/mL, p = 0.001). Statistically, both groups had a significant reduction of the number of HF hospitalizations, between baseline and 12 months later (1.02 ± 0.67 to 0.29 ± 0.82, p< 0.001 and 1.03 ± 1.04 to 0.40 ± 0.81, p = 0.001, for VD (+) and VD (-), respectively). Therefore, the correction of VD deficiency did not have impact in the variables analysed. The improvements reported within both groups may reflect the impact of the HF clinic optimized care.
| Main Authors: | , , , , , , |
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| Format: | Digital revista |
| Language: | English |
| Published: |
Sociedade Portuguesa de Medicina Interna
2021
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| Online Access: | http://scielo.pt/scielo.php?script=sci_arttext&pid=S0872-671X2021000400023 |
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