Christos G Verras1, Georgios A Christou2, Yannis V Simos2, George D Ayiomamitis3, Andreas J Melidonis1, Dimitrios N Kiortsis4. 1. Diabetes Center, Tzanio General Hospital, Piraeus, Greece. 2. Laboratory of Physiology, Medical School, University of Ioannina, 45110, Ioannina, Greece. 3. 2nd Department of Surgery, Tzanion General Hospital, Piraeus, Greece. 4. Laboratory of Physiology, Medical School, University of Ioannina, 45110, Ioannina, Greece. dkiorts@cc.uoi.gr.
Abstract
OBJECTIVE: The elucidation of the changes of fetuin-A in the context of bariatric surgery. DESIGN: Twenty obese patients (8 males, 12 females; body mass index = 42.5±3.4 kg/m2) were studied at baseline and 6 months after bariatric surgery. RESULTS: Serum fetuin-A levels did not differ with regard to the presence of each individual component of the Metabolic Syndrome (MetS) at baseline, except for hypertriglyceridaemia [increased serum fetuin-A levels (p=0.011)]. Circulating fetuin-A was positively correlated with serum triglycerides (TG) (r=0.461, p=0.047) and negatively correlated with serum globulins (r=-0.477, p=0.033) and C-reactive protein (CRP) (r=-0.604, p=0.010), while it independently predicted TG at baseline. Circulating fetuin-A did not change during the 6 months either in the whole population or in the subgroups of patients who were positive for each individual component of MetS at baseline and negative for this component at 6 months of follow-up, except for hypertriglyceridaemia [reduction of serum fetuin-A levels (p=0.046)]. The subgroup of patients with a decrease in circulating fetuin-A during the 6 months was characterized by a smaller reduction of serum globulins (p=0.003) and CRP (p=0.049). The change in serum fetuin-A levels over the 6 months was positively correlated with the change in TG (r=0.592, p=0.006) and negatively correlated with the change in serum globulins (r=-0.523, p=0.018) and CRP (r=-.494, p=0.037). CONCLUSIONS: Circulating fetuin-A predicted serum triglycerides before as well as 6 months after bariatric surgery.
OBJECTIVE: The elucidation of the changes of fetuin-A in the context of bariatric surgery. DESIGN: Twenty obesepatients (8 males, 12 females; body mass index = 42.5±3.4 kg/m2) were studied at baseline and 6 months after bariatric surgery. RESULTS: Serum fetuin-A levels did not differ with regard to the presence of each individual component of the Metabolic Syndrome (MetS) at baseline, except for hypertriglyceridaemia [increased serum fetuin-A levels (p=0.011)]. Circulating fetuin-A was positively correlated with serum triglycerides (TG) (r=0.461, p=0.047) and negatively correlated with serum globulins (r=-0.477, p=0.033) and C-reactive protein (CRP) (r=-0.604, p=0.010), while it independently predicted TG at baseline. Circulating fetuin-A did not change during the 6 months either in the whole population or in the subgroups of patients who were positive for each individual component of MetS at baseline and negative for this component at 6 months of follow-up, except for hypertriglyceridaemia [reduction of serum fetuin-A levels (p=0.046)]. The subgroup of patients with a decrease in circulating fetuin-A during the 6 months was characterized by a smaller reduction of serum globulins (p=0.003) and CRP (p=0.049). The change in serum fetuin-A levels over the 6 months was positively correlated with the change in TG (r=0.592, p=0.006) and negatively correlated with the change in serum globulins (r=-0.523, p=0.018) and CRP (r=-.494, p=0.037). CONCLUSIONS: Circulating fetuin-A predicted serum triglycerides before as well as 6 months after bariatric surgery.
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