Kim Jin Sug, Hwang Hyeon Seok
Division of Nephrology, Department of Internal Medicine, Kyung Hee University, Seoul, Korea.
Korean Circ J. 2021 Dec;51(12):961-982. doi: 10.4070/kcj.2021.0995.
Chronic kidney disease (CKD) is associated with a higher prevalence of vascular calcification (VC) and cardiovascular disease. VC in CKD patients showed different pathophysiological features from those of the general population. The pathogenesis of VC in CKD is a highly organized process, and prior studies have suggested that patients with CKD have their own specific contributors to the phenotypic change of vascular smooth muscle cells (VSMCs), including uremic toxins, CKD-mineral and bone disease (CKD-MBD), inflammation, and oxidative stress. For the diagnosis and monitoring of VC in CKD, several imaging modalities, including plain radiography, ultrasound, and computed tomography have been utilized. VC in CKD patients has distinct clinical features and implications. CKD patients revealed a more intense and more prevalent calcification on the intimal and medial layers, whereas intimal calcification is predominantly observed in the general population. While a higher VC score is clearly associated with a higher risk of all-cause mortality and cardiovascular events, a greater VC score in CKD patients does not fully reflect the burden of atherosclerosis, because they have more calcification at equal volumes of atheromatous plaques. The primary goal of VC treatment in CKD is the prevention of VC progression, and the main management is to control the biochemical components of CKD-MBD. Cinacalcet and non-calcium-containing phosphate binders are the mainstay of VC prevention in CKD-MBD management. VC in patients with CKD is an ongoing area of research and is expected to advance soon.
慢性肾脏病(CKD)与血管钙化(VC)及心血管疾病的较高患病率相关。CKD患者的VC表现出与普通人群不同的病理生理特征。CKD中VC的发病机制是一个高度有序的过程,先前的研究表明,CKD患者有其自身特定的促成血管平滑肌细胞(VSMC)表型改变的因素,包括尿毒症毒素、CKD-矿物质和骨疾病(CKD-MBD)、炎症和氧化应激。对于CKD中VC的诊断和监测,已经采用了多种成像方式,包括X线平片、超声和计算机断层扫描。CKD患者的VC具有独特的临床特征和影响。CKD患者在内膜和中膜层表现出更强烈、更普遍的钙化,而普通人群中主要观察到内膜钙化。虽然较高的VC评分显然与全因死亡率和心血管事件的较高风险相关,但CKD患者中更高的VC评分并不能完全反映动脉粥样硬化的负担,因为在等量的动脉粥样硬化斑块中他们有更多的钙化。CKD中VC治疗的主要目标是预防VC进展,主要管理措施是控制CKD-MBD的生化成分。西那卡塞和不含钙的磷结合剂是CKD-MBD管理中预防VC的主要手段。CKD患者的VC是一个持续的研究领域,预计很快会取得进展。
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