Pakistan journal of pharmaceutical sciences · 2026
Correlation study of serum vitamin K and Gas6 levels with aortic arch calcification and left ventricular hypertrophy in maintenance hemodialysis patients.
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Gan Mingxiao, Wang Jingna
Аннотация
BACKGROUND: Cardiovascular disease is the leading cause of death among MHD patients, with aortic arch calcification and left ventricular hypertrophy as common complications. The role of vitamin K-dependent protein Gas6 in these structural changes remains unclear.
OBJECTIVES: To examine the relationship between serum vitamin K2/Gas6 levels and the presence of aortic arch calcification/left ventricular hypertrophy in MHD patients.
METHODS: This cross-sectional study enrolled 189 patients with MHD. Serum vitamin K2 (MK-7) and Gas6 levels were quantified using enzyme-linked immunosorbent assay (ELISA). LVMI stratified patients into LVH (n=110) and non-LVH (n=79) groups, and by AACS into four calcification severity groups (n=46, 54, 53, 36). Group differences were analyzed using Spearman correlation and multivariate logistic regression.
RESULTS: LVH patients were older and had higher BNP, creatinine and Gas6 levels, but lower vitamin K2 levels (P<0.05). Across AACS groups, age, glucose, phosphorus, calcium-phosphorus product, vitamin K2 and Gas6 differed significantly. Vitamin K2 correlated positively with calcium (r=0.822) and negatively with Gas6 (r= -0.339). Age >65 years and vitamin K2 <2.39 nmol/L were independent AACS risk factors.
CONCLUSION: No correlation was found between serum vitamin K or Gas6 and LVH in MHD patients. AACS negatively correlated with vitamin K and positively with Gas6.
OBJECTIVES: To examine the relationship between serum vitamin K2/Gas6 levels and the presence of aortic arch calcification/left ventricular hypertrophy in MHD patients.
METHODS: This cross-sectional study enrolled 189 patients with MHD. Serum vitamin K2 (MK-7) and Gas6 levels were quantified using enzyme-linked immunosorbent assay (ELISA). LVMI stratified patients into LVH (n=110) and non-LVH (n=79) groups, and by AACS into four calcification severity groups (n=46, 54, 53, 36). Group differences were analyzed using Spearman correlation and multivariate logistic regression.
RESULTS: LVH patients were older and had higher BNP, creatinine and Gas6 levels, but lower vitamin K2 levels (P<0.05). Across AACS groups, age, glucose, phosphorus, calcium-phosphorus product, vitamin K2 and Gas6 differed significantly. Vitamin K2 correlated positively with calcium (r=0.822) and negatively with Gas6 (r= -0.339). Age >65 years and vitamin K2 <2.39 nmol/L were independent AACS risk factors.
CONCLUSION: No correlation was found between serum vitamin K or Gas6 and LVH in MHD patients. AACS negatively correlated with vitamin K and positively with Gas6.