NPPB and atrial fibrillation: The utilization of these parameters can provide new ideas to the diagnosis and treatment of atrial fibrillation in the future, such as whether preoperative interventions can reduce the levels of uric acid, BNP, CRP, ESR, and LAD in patients, improve the maintenance rate of sinus rhythm after radiofrequency ablation, and reduce the recurrence rate of atrial fibrillation among high-risk patients.