Plasma vaspin levels significantly associated with survival in non-diabetic peritoneal dialysis patients
Plasma vaspin levels significantly associated with survival in non-diabetic peritoneal dialysis patients suggests a new study published in the BMC Nephrology.
Vaspin is an adipokine that regulates glucose and lipid metabolism. Plasma vaspin level is increased in chronic kidney disease but decreased in hemodialysis patients. However, plasma vaspin level in peritoneal dialysis (PD) patients, as well as its prognostic role, has not been studied.
Researchers recruited 146 incident PD patients. Their baseline plasma vaspin levels, body anthropometry, the profile of insulin resistance, bioimpedance spectroscopy parameters, dialysis adequacy, and nutritional indices were measured. They were followed for up to 5 years for survival analysis.
The average age was 58.4 ± 11.8 years; 96 patients (65.8%) were men, and 90 (61.6%) had diabetes. The median vaspin level was 0.18 ng/dL (interquartile range [IQR] 0.11 to 0.30 ng/dL). Plasma vaspin level did not have a significant correlation with adipose tissue mass or baseline insulin level. However, plasma vaspin level had a modest correlation with the change in insulin resistance, as represented by the HOMA-IR index, in non-diabetic patients (r = -0.358, p = 0.048). Although the plasma vaspin level quartile did not have a significant association with patient survival in the entire cohort, it had a significant interaction with diabetic status (p < 0.001). In nondiabetic patients, plasma vaspin level quartile was an independent predictor of patient survival after adjusting for confounding clinical factors (adjusted hazard ratio 2.038, 95% confidence interval 1.191–3.487, p = 0.009), while the result for diabetic patients was not significant.
Plasma vaspin level quartile had a significant association with patient survival in non-diabetic PD patients. Baseline plasma vaspin level also had a modest inverse correlation with the subsequent change in the severity of insulin resistance, but the exact biological role of vaspin deserves further studies.
Reference:
Than, W.H., Chan, G.CK., Kwan, B.CH. et al. Plasma vaspin levels and clinical outcome in incident peritoneal dialysis patients. BMC Nephrol 24, 206 (2023). https://doi.org/10.1186/s12882-023-03259-2
Keywords:
Plasma, vaspin, levels, significantly, associated, survival, non-diabetic, peritoneal, dialysis, patients, Than, W.H., Chan, G.CK., Kwan, B.CH, BMC Nephrology
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