GPP03 演讲时间：上午 9:18

IF 1.7 4区医学 Q4 ONCOLOGY

Brachytherapy Pub Date : 2024-10-25 DOI:10.1016/j.brachy.2024.08.005

Umhes Mahantshetty MD , Lavanya Gurram MD , Raviteja Miriyala MD , KK. Sreelakshmi DRP , Ajeet Gandhi MD , Abhishek Basu MD , Harjot Kaur Bajwa MD , Bhavana Rai MD , V Srinivasan MD , Manoj Gupta MD , Rajesh Vashishta MD , Primoz Petric MD , Kari Tanderup PhD , Christian Kirisits Ph.D , Richard Potter MD

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引用次数: 0

摘要

目的作为 AROI 和 ESTRO 的合作项目，2017 年至 2023 年期间在印度举办了六次以宫颈癌三维 IGABT 为重点的教学课程。材料和方法在六门课程中的每一门课程之前都进行了课程前调查，收集了每个参与团队（医生和物理学家）课程前 BT 实践的相关信息。结果共有 456 名负责治疗宫颈癌患者的参与者（344 名医生和 112 名物理学家）参加了课程。根据课前调查，分别有 25%、75% 和 10%的学员经常使用 X 射线、CT 和 MRI 进行 BT 规划。31%和35%的学员经常使用混合IC+IS和三维剂量处方（针对高危CTV）。在 456 名参与者中，来自 104 个中心的 104 个团队（每个机构可有一个团队做出回应）（83 名医生和 21 名物理学家）做出了回应。其中，101 个团队（97.1%）在调查时仍在开展宫颈癌近距离放射治疗。图 1（上图）显示了总调查时宫颈癌近距离治疗工作流程中各种关键流程/资源的实施/使用百分比。教学课程增强了参与者实施/改进关键流程的能力，如麻醉下检查（14%）、临床绘图（55%）、超声引导（23%）、IC+IS（32%）、目标容积划定（46%）和amp；基于容积的处方（39%）；然而，分别有 8%、32%、17%、25%、41% 和 33% 的中心能够持续实施这些流程。(下图 1）。无法实施和维持这些关键流程的常见原因包括：患者负担沉重、缺乏基础设施（专用超声波、兼容的涂抹器、磁共振成像等）、人力资源（麻醉师、放射科医师、放射肿瘤科医师）不达标等。调查结果表明，教学课程大大改进了临床工作流程、超声引导的使用、基于 BT 前 MR/MR/CT-TRUS 的 BT 的使用、高级 BT 应用（IC + IS）、靶体积的划定和体积剂量处方。大多数中心似乎都有兴趣探索与 IGABT 相关的前瞻性研究。

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GPP03 Presentation Time: 9:18 AM

Purpose

Six teaching courses with focus on 3D IGABT for cervical cancer were conducted in India between 2017 & 2023, as collaborative effort of AROI and ESTRO. The purpose is to report impact of teaching courses, as observed from pre-course surveys and a recent master survey of all course participants.

Material and Methods

Pre-course surveys were conducted before each of the six courses, where in information related to pre-course BT practice of each participating team (physician and physicist) was collected. Recently, a detailed online master survey was conducted to understand impact of courses on BT approach and practice.

Results

A total of 456 participants (344 physicians and 112 physicists) who were responsible for treating cervical cancer patients attended the courses. As per pre-course surveys, BT planning was frequently done using X rays, CT and MRI by 25%, 75% and 10% of participants respectively. Hybrid IC+IS and 3D dose prescription (to high-risk CTV) were commonly used by 31% and 35% participants. Among 456 participants, 104 teams (one team per institute was allowed to respond) from 104 centres responded (83 physicians and 21 physicists). Of these, 101 (97.1%) continued to practice cervical cancer brachytherapy at the time of the survey. Percentage-wise implementation/utilisation of various critical processes/resources in cervical cancer brachytherapy workflow at the time of master survey are presented in Figure 1 (upper panel).Teaching course empowered participants in implementing/ improvising critical processes, like examination under anaesthesia (14%), clinical drawings (55%), ultrasound guidance (23%), IC+IS (32%), target volume delineation (46%) & volume-based prescription (39%); however, these processes could be sustained in 8%, 32%, 17%, 25%, 41% and 33% centres, respectively,. (FIgure1 lower panel). Frequent reasons cited for inability to implement and sustain these critical processes include heavy patient load, lack of availability of infrastructure (dedicated ultrasonography, compatible applicators, access to MRI etc), suboptimal human resources (Anesthesiologists, Radiologists, Radiation Oncologists) etc.Among the participants, 94% and 87% felt that their knowledge and practice of BT improved substantially after the course, respectively. About 94% of the participants expressed interest in collaborative prospective research related to IGABT for cervical cancer.

Conclusion

Survey results suggest that the teaching courses substantially improved clinical workflow, use of ultrasonography for guidance, utilisation of pre-BT MR/MR/CT-TRUS based BT, advanced BT applications (IC + IS), target volume delineation and volumetric dose prescription. Majority of centres appear to be interested in exploring prospective research related to IGABT.

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来源期刊

Brachytherapy 医学-核医学

CiteScore

3.40

自引率

21.10%

发文量

119

审稿时长

9.1 weeks

期刊介绍： Brachytherapy is an international and multidisciplinary journal that publishes original peer-reviewed articles and selected reviews on the techniques and clinical applications of interstitial and intracavitary radiation in the management of cancers. Laboratory and experimental research relevant to clinical practice is also included. Related disciplines include medical physics, medical oncology, and radiation oncology and radiology. Brachytherapy publishes technical advances, original articles, reviews, and point/counterpoint on controversial issues. Original articles that address any aspect of brachytherapy are invited. Letters to the Editor-in-Chief are encouraged.