盆腔肿瘤放疗执行前膀胱充盈一致性研究

doi:10.3760/cma.j.cn113030-20190624-00245

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Abstract Objective Before the radiotherapy was performed, patients with pelvic tumors were analyzed for the consistency of bladder filling in the three steps of "Immobilization", "CT Simulation" and"X-ray Simulation". Methods In 2014, 105 patients (68 cases of cervical cancer, 32 cases of rectal cancer, 3 cases of vaginal cancer and 2 cases of prostate cancer) with pelvic tumor radiotherapy were randomly assigned to monitor bladder urine volume to a target urine volume of 400ml. First, patient were exhorted to empty the bladder, and the bladder volume meter BVI 9400 was used to measure the urine volume of the patient after emptying of the bladder. The patient immediately drank about 540ml of water and suppressed urine, measurements were taken every 0.5 h. At the same time, when the patient complained of "urgency of urine", bladder urine volume would be measured again and the time would also be recorded. Every other half an hour (emptying, 0.5 h after emptying, 1.0 h after emptying), when complaining of"urgency of urine", when actually performing urine volume and time were described as:U0 and t0, U0.5 and t0.5,U1.0 and t1.0,Ut and t,UT and T. Results There was a statistically significant difference in gender and age, and women had stronger ability to urinate than men U1.0(P=0.003), young people had stronger ability to urinate than middle-aged U1.0(P=0.002). In the three-step comparison, there was no statistically difference between 1 hour after emptying urine volume U1.0(P=0.177) and the actually performing urine volume UT (P=0.052). And the final urine volume was concentrated at 298-526ml. After the patient emptied the urine volume and complained of "urgency of urine", the time slot was t=(75.2±49.9) min, with the urine volume of Ut=(331.2±140.3)ml. And there was no statistically difference between Ut and UT (P=0.198) at X-ray Simulation. Conclusions The patient emptied the bladder and immediately drank 540ml of water. After 1 hour of suppressing urine, he complained of "urgency of urine" and achieved the target urine volume (400ml). At this time, the bladder urine volume U1.0 was consistency in the immobilization, CT Simulation, and X-ray Simulation.

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	Articles by authors
	Wu Jiaying
	Lu Shipei
	Li Cunxiao
	Li Yaning
	Chang Hui
	Wu Jianhua
	Lin Chengguang
	Yang Xin

Key words： Pelvic tumor Bladder filling Bladder volume

Received: 24 June 2019

Corresponding Authors: Lin Chengguang, Email:linchg@sysucc.org.cn;Yang Xin, Email:yangxin@sysucc.org.cn

Cite this article:

Wu Jiaying,Lu Shipei,Li Cunxiao et al. Study on the bladder filling consistency of pelvic tumors prior to the radiotherapy[J]. Chinese Journal of Radiation Oncology, 2021, 30(1): 61-65.

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http://journal12.magtechjournal.com/Jweb_fszlx/EN/10.3760/cma.j.cn113030-20190624-00245 OR http://journal12.magtechjournal.com/Jweb_fszlx/EN/Y2021/V30/I1/61

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