Chronic Kidney Disease with Mineral Bone Disorder and Vascular Calcification: An Overview

Area of Science:

• Nephrology and Endocrinology
• Cardiovascular Medicine
• Bone Metabolism

Background:

• Chronic kidney disease (CKD) affects nearly 700 million globally, causing significant mortality and disability.
• CKD is linked to numerous complications, including CKD-mineral and bone disorder (MBD) and vascular calcification (VC).
• CKD-MBD involves dysregulated bone turnover and mineralization, alongside soft tissue and vascular calcification, driven by altered mineral metabolism.

Purpose of the Study:

• To elucidate the complex pathophysiology of CKD-MBD and vascular calcification.
• To highlight the roles of key mineral metabolism factors (calcium, phosphate, PTH, vitamin D, FGF-23, Klotho) in CKD progression.
• To emphasize the prognostic significance of vascular calcification in CKD patients.

Main Methods:

• Review of existing literature on CKD, CKD-MBD, and vascular calcification.
• Analysis of the roles of mineral metabolism markers in disease progression.
• Evaluation of diagnostic tools for vascular calcification, including imaging techniques and scoring systems.

Main Results:

• CKD-MBD is characterized by altered bone metabolism and accelerated vascular calcification.
• Disturbances in calcium, phosphate, PTH, vitamin D, FGF-23, and Klotho are early indicators and drivers of CKD-MBD.
• Vascular calcification, a key feature of CKD-MBD, is strongly associated with cardiovascular events and mortality.

Conclusions:

• CKD poses a major global health challenge with severe complications like CKD-MBD and VC.
• Understanding the interplay between mineral metabolism, bone health, and vascular calcification is critical.
• Effective diagnosis and therapeutic strategies targeting these complications are essential for improving CKD patient outcomes.