GPIIb/IIIa expression changes in atrial fibrillation post radiofrequency ablation

OBJECTIVE: Atrial fibrillation (AF) is one of the most common arrhythmias affecting the patient's quality of life, and its complications of thromboembolism can lead to serious consequences. AF patients are often in hypercoagulation status that can affect the prognosis. GPIIb/IIIa is a fibrinogen receptor that can bind to the ligands of platelet and cause aggregation. Therefore, GPIIb/IIIa can be treated as a marker of hemagglutination. This work aims to analyze the changes of GPIIb/IIIa after radiofrequency ablation of atrial fibrillation, and to investigate its relationship with recurrence.

PATIENTS AND METHODS: A total of AF 80 patients in our hospital received radiofrequency ablation from January 2017 to August 2017. Peripheral blood was collected 1 week after surgery. A total of 40 healthy volunteers were enrolled as control group. GPIIb/IIIa was analyzed by enzyme-linked immunosorbent assay (ELISA). High-sensitivity troponin (hs-cTnT), fasting plasma glucose (FPG), high-density lipoprotein (HDL), low-density lipoprotein (LDL), total cholesterol (TC), and triglyceride levels (TG) were analyzed by using electrochemical luminescence assay. Body mass index (BMI), smoking index, and age were recorded.

RESULTS: Compared with the non-recurrence group, GPIIb/IIIa, hs-cTnT, FPG, LDL, TC, and TG levels increased, whereas HDL level declined in the recurrence group (p < 0.05). There was a positive correlation between GPIIb/IIIa and hs-cTnT, FPG, LDL, TC, TG, BMI, and smoking index, and a negative correlation with HDL (p < 0.05). GPIIb/IIIa was positively correlated with postoperative recurrence (p < 0.05).

CONCLUSIONS: Increased GPIIb/IIIa expression after radiofrequency ablation of AF is associated with myocardial injury, suggesting a risk of postoperative recurrence.

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