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- Title
Mineral metabolism disorders, vertebral fractures and aortic calcifications in stable kidney transplant recipients: The role of gender (EMITRAL study).
- Authors
Torres, Armando; Torregrosa, Vicens; Marcen, Roberto; Campistol, Josep María; Arias, Manuel; Hernández, Domingo; Fernández, Constantino; Esforzado, Nuria; Paschoalin, Raphael; Pérez, Nuria; Isabel García, Ana; Del Amo, Montserrat; Pomés, Jaume; González Rinne, Ana; Marrero, Domingo; Pérez, Estefanía; Henríquez, Fernando; Manuel Díaz, Juan; Silva, Irene; López, Verónica
- Abstract
Background and objectives: The relationship between mineral metabolism disorders, bone fractures and vascular calcifications in kidney transplant recipients has not been established. Method: We performed a cross-sectional study in 727 stable recipients from 28 Spanish transplant clinics. Mineral metabolism parameters, the semi-quantification of vertebral fractures and abdominal aortic calcifications were determined centrally. Results: Vitamin D deficiency (25OHD3 <15 ng/ml) was more common in female recipients at CKD-T stages I-III (29.6% vs 44.4%; p = 0.003). The inverse and significant correlation between 25OHD3 and PTH was gender-specific and women exhibited a steeper slope than men (p = 0.01). Vertebral fractures (VFx) with deformity grade ≥2 were observed in 15% of recipients. Factors related to VFx differed by gender; in males, age (OR 1.04; 95% CI 1.01-1.06) and CsA treatment (OR: 3.2; 95% CI: 1.6-6.3); in females, age (OR 1.07; 95% CI: 1.03-1.12) and PTH levels (OR per 100 pg/ml increase: 1.27; 95% CI: 1.043-1.542). Abdominal aortic calcifications were common (67.2%) and related to classical risk factors but not to mineral metabolism parameters. Conclusions: Vitamin D deficiency is more common among female kidney transplant recipients at earlier CKD-T stages, and it contributes to secondary hyperparathyroidism. Prevalent vertebral fractures are only related to high serum PTH levels in female recipients.
- Publication
Nefrologia, 2016, Vol 36, Issue 3, p255
- ISSN
0211-6995
- Publication type
Article
- DOI
10.1016/j.nefro.2016.03.004