Palmer Antony L, Brimelow Jason, Downes Patrick, Munshi Mayur, Nash David, Rai Bhupinder, White Andrew R
Medical Physics Department, Portsmouth Hospitals University NHS Trust, Queen Alexandra Hospital, Portsmouth, Hampshire, PO63LY, United Kingdom.
Department of Medical Physics and Biomedical Engineering, University College London, London, WC1E6BT, United Kingdom.
Br J Radiol. 2025 Mar 1;98(1167):392-403. doi: 10.1093/bjr/tqaf001.
To survey kilovoltage (kV) radiotherapy in the United Kingdom, updating a 2016 study, focussing on radiotherapy physics, including equipment quality control (QC) and radiation dosimetry, with information on installed equipment and clinical activity.
All UK radiotherapy physics departments (n = 68) were invited to complete a comprehensive survey. An analysis of the installed equipment base, patient numbers, clinical activity, QC testing, and radiation dosimetry processes were undertaken.
91% of centres (n = 62) responded to the survey. kV radiotherapy was available in 70% of UK radiotherapy departments, with a wide variation in workload; 7-436 patients/centre annually. There has been an increase in centres using treatment calculation software rather than manual methods, up from 36% in 2016 to 50% currently. Only 50% of centres use an independent calculation check method. There was an increase in the use of the addendum to the UK dosimetry code of practice, enabling medium energy calibration in-air rather than at depth in phantom, citing "clinical relevance." Appropriate levels of QC testing were being conducted at UK centres, with Institute of Physics and Engineering in Medicine (IPEM) Report 81 cited as a primary source of guidance. Good consensus for the frequency and tolerance values used for QC was seen across UK centres.
A comprehensive review of consensus practice for QC and dosimetry in kV radiotherapy across the United Kingdom is presented, with supporting information on equipment installation and clinical use.
Updated data are presented on kV radiotherapy treatment in the United Kingdom, with focus on physics aspects of QC and dosimetry.
对英国的千伏（kV）放射治疗进行调查，更新2016年的一项研究，重点关注放射治疗物理学，包括设备质量控制（QC）和辐射剂量测定，并提供有关已安装设备和临床活动的信息。
邀请英国所有放射治疗物理科室（n = 68）完成一项全面调查。对已安装设备、患者数量、临床活动、QC测试和辐射剂量测定过程进行了分析。
91%的中心（n = 62）回复了调查。70%的英国放射治疗科室提供kV放射治疗，工作量差异很大；每年每个中心7 - 436名患者。使用治疗计算软件而非手动方法的中心有所增加，从2016年的36%增至目前的50%。只有50%的中心使用独立计算检查方法。引用“临床相关性”，英国剂量测定实践规范附录的使用有所增加，该附录允许在空气中而非模体深度进行中能校准。英国各中心正在进行适当水平的QC测试，医学物理与工程学会（IPEM）报告81被引为主要指导来源。英国各中心对QC所用频率和公差值达成了良好共识。
本文对英国kV放射治疗中QC和剂量测定的共识实践进行了全面综述，并提供了有关设备安装和临床使用的支持信息。
提供了英国kV放射治疗的最新数据，重点是QC和剂量测定的物理方面。
