This study was supported by grant from National Natural Science Foundation of China (No. 81170282).Acknowledgments: The authors sincerely thank Prof: Du Jie, Prof. Sun Lizhong, and Prof. Zhang Hongjia for their contributions. The authors are also grateful to Dr. Hollie Wash (University of Washington) for her kind contribution to manuscript/English editing.
Background The occurrence and development of aortic aneurysm (AA) are associated with infection.Some researchers have detected the DNA of periodontal pathogens in AA samples in certain populations.However,it has not...