Objective To compare the X-ray projection doses during leadless pacemaker implantation and conventional single chamber ventricular pacemaker (VVI) implantation. Methods This study included all patients who underwent leadless pacemaker implantation and VVI pacemaker implantation performed by the same principal investigator team using the same digital subtraction angiography (DSA) machine in the West China Hospital of Sichuan University from August 3^rd, 2018 to February 18^th, 2020. Among the enrolled patients, 27 who underwent leadless pacemaker implantation were included in the case group, whereas 38 who underwent conventional VVI implantation were included in the control group. Data regarding the intraoperative dose area product (DAP), air kerma (AK), duration of X-ray fluoroscopy, number of exposed sequences on the film, total number of frames on the film, operation time, and BMI were collected to investigate the causes of the differences. Results The case group received a higher X-ray projection dose than the control group, and there were statistically significant differences between the two groups in terms of DAP, AK, duration of X-ray fluoroscopy, the number of exposed sequences on the film, the total number of frames on the film, and operation time (P<0.05). Conclusion Patients who underwent leadless pacemaker implantation are exposed to more radiation than those who underwent conventional VVI implantation.

Citation： HUANG He, XU Yuanning, ZHOU Xuan. A comparative study of X-ray projection doses during leadless pacemaker and conventional single chamber ventricular pacemaker implantation. Chinese Journal of Evidence-Based Medicine, 2022, 22(9): 999-1002. doi: 10.7507/1672-2531.202201061 Copy

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