Hristova-Popova J, Saltirov I, Vassileva J
National Centre of Radiobiology and Radiation Protection, Sofia, Bulgaria.
Radiat Prot Dosimetry. 2011 Sep;147(1-2):114-7. doi: 10.1093/rpd/ncr280. Epub 2011 Jul 9.
The purpose of this work is to study doses to patients undergoing interventional endourological procedures. The study was performed in a modern Clinic of Endourology and Shockwave Lithotripsy, equipped with two dedicated X-ray systems. The following information was recorded for each patient: type of the procedure, patient age, fluoroscopy time, number of images acquired and patient dose in air kerma-area product, P(KA), measured with KAP-meters integrated in the X-ray units. Eleven types of procedures were included. From the collected sample of 429 patients for all procedures, the mean fluoroscopy time varied between 0.2 and 4 min. The highest values of mean P(KA) 457 and 590 cGy cm(2) were found for percutaneous nephrolithotripsy and ureteroscopy, respectively. The mean values of P(KA) for rest of the procedures investigated were between 58 and 398 cGy cm(2). Individual patient doses varied between 2 and 2440 cGy cm(2) and fluoroscopy time--between 0.1 and 13.7 min. The first study in interventional endourology in Bulgaria demonstrated big variations in patient doses depending on the type and the complexity of procedure, operator's experience and exposure modes.
这项工作的目的是研究接受介入性腔内泌尿外科手术患者所接受的剂量。该研究在一家现代化的腔内泌尿外科和冲击波碎石诊所进行，该诊所配备了两台专用X射线系统。为每位患者记录了以下信息：手术类型、患者年龄、透视时间、采集的图像数量以及用集成在X射线设备中的KAP测量仪测量的空气比释动能面积乘积（P(KA)）中的患者剂量。纳入了11种手术类型。在所有手术的429例患者的收集样本中，平均透视时间在0.2至4分钟之间。经皮肾镜碎石术和输尿管镜检查的平均P(KA)最高值分别为457和590 cGy cm²。其余所研究手术的P(KA)平均值在58至398 cGy cm²之间。个体患者剂量在2至2440 cGy cm²之间，透视时间在0.1至13.7分钟之间。保加利亚的第一项介入性腔内泌尿外科研究表明，患者剂量因手术类型和复杂性、操作者经验以及照射方式的不同而有很大差异。
