[Association of mineral and bone disorder with increasing PWV in CKD 1-5 patients]

Area of Science:

• Cardiovascular Medicine
• Nephrology
• Endocrinology

Context:

• Chronic kidney disease (CKD) affects mineral and bone disorder (CKD-MBD).
• Vascular stiffness, measured by pulse wave velocity (PWV), is a known complication in CKD patients.
• The specific relationship between PWV and CKD-MBD in non-dialysis patients requires further elucidation.

Purpose:

• To investigate the association between pulse wave velocity (PWV) and CKD-MBD in patients with CKD stages 1-5 not on dialysis.
• To identify clinical and biochemical factors associated with increased PWV in this patient cohort.
• To explore the role of CKD-related factors in modulating the relationship between PWV and CKD-MBD.

Summary:

• Sixty CKD patients (stages 1-5, no dialysis) had PWV, pulse pressure (PP), and CKD-MBD markers measured.
• A modified PWV index (delta baPWV) was calculated to reflect CKD-related factors.
• Delta baPWV showed significant correlations with PP, intact-PTH, estimated GFR, and calcitriol, and was higher in diabetic patients.

Impact:

• Findings suggest a significant relationship between PWV and CKD-MBD in non-dialysis CKD patients.
• Pulse pressure and calcitriol, or pulse pressure and intact-PTH, are key predictors of altered PWV in this population.
• This research highlights the interplay between vascular health and mineral/bone metabolism in early-stage CKD.