Frederik Meijer Heart & Vascular Institute, Spectrum Health, Grand Rapids, MI, United States of America.
Frederik Meijer Heart & Vascular Institute, Spectrum Health, Grand Rapids, MI, United States of America.
Cardiovasc Revasc Med. 2021 May;26:48-52. doi: 10.1016/j.carrev.2020.10.022. Epub 2020 Oct 31.
Patient BMI is associated with radiation doses received by interventional cardiologists, yet the association between patient BMI and nurse radiation doses is unknown. This study evaluated the association between patient body mass index (BMI) and nurse radiation doses during coronary angiography.
Nurse radiation doses were collected by real-time dosimeters during consecutive coronary angiography procedures and are reported as the personal dose equivalent (H10). Patient radiation doses were estimated using dose area product (DAP). Patient BMI was categorized in kg/m as <25.0, 25.0-29.9, 30.0-34.9, 35.0-39.9, and ≥40. Multiple regression analysis determined procedural factors independently association with nurse radiation doses.
In 643 consecutive coronary angiography procedures, patient radiation doses increased significantly across increasing patient BMI categories (p < 0.001). Compared to a patient BMI <25, a patient BMI ≥40 was associated with a 2.3-fold increase in DAP (p < 0.001). Significant differences were also observed in nurse radiation doses across patient BMI categories (p = 0.036). Compared to a patient BMI <25, a patient BMI ≥40 was associated with a 4.0-fold increase in nurse radiation dose (BMI < 25: 0.3 [0.1, 1.3] μSv; BMI ≥ 40: 1.2 [0.2, 2.9] μSv; p = 0.003). By multiple regression analysis, each 1-unit kg/m increase in patient BMI was associated with a 3.3% increase in nurse radiation dose (p = 0.002).
Patient BMI was significantly associated with nurse radiation doses during coronary angiography. These observations may have important implications on nurse radiation safety, especially in the setting of the ongoing obesity epidemic.
患者体重指数（BMI）与介入心脏病学家接受的辐射剂量有关，但患者 BMI 与护士辐射剂量之间的关系尚不清楚。本研究评估了冠状动脉造影期间患者体重指数（BMI）与护士辐射剂量之间的关系。
在连续进行的冠状动脉造影过程中，通过实时剂量计收集护士的辐射剂量，并以个人剂量当量（H10）报告。使用剂量面积乘积（DAP）估算患者的辐射剂量。将患者 BMI 分为 kg/m2 <25.0、25.0-29.9、30.0-34.9、35.0-39.9 和 ≥40。多变量回归分析确定与护士辐射剂量独立相关的程序因素。
在 643 例连续的冠状动脉造影程序中，随着患者 BMI 类别增加，患者的辐射剂量显著增加（p < 0.001）。与 BMI <25 的患者相比，BMI ≥40 的患者的 DAP 增加了 2.3 倍（p < 0.001）。在患者 BMI 类别中，护士辐射剂量也存在显著差异（p = 0.036）。与 BMI <25 的患者相比，BMI ≥40 的患者的护士辐射剂量增加了 4.0 倍（BMI <25：0.3 [0.1, 1.3] μSv；BMI ≥40：1.2 [0.2, 2.9] μSv；p = 0.003）。通过多变量回归分析，患者 BMI 每增加 1 kg/m2，护士辐射剂量增加 3.3%（p = 0.002）。
患者 BMI 与冠状动脉造影期间护士的辐射剂量显著相关。这些观察结果可能对护士的辐射安全具有重要意义，尤其是在肥胖症流行的情况下。
