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ICRP Publication 97

Prevention of High-Dose-Rate Brachytherapy Accidents

Автор: ICRP

Език:

Корици: С меки корици

Издател: Elsevier Health Sciences

Наличност: Външен склад

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High-dose-rate (HDR) brachytherapy is a rapidly growing technique that has been replacing low-dose-r...

Информация за книгата

Автор

ICRP

Език

Английски език

Корици

Книга - С меки корици

Издадена

2006

страници

EAN

9780080446585

ISBN

0080446582

Enbook ID

04491090

Издател

Elsevier Health Sciences

Теглоt

120

Размери

170 x 244 x 3

Пълно описание

High-dose-rate (HDR) brachytherapy is a rapidly growing technique that has been replacing low-dose-rate (LDR) procedures over the last few years in both industrialised and developing countries. It is estimated that about 500,000 procedures (administrations of treatment) are performed by HDR units annually. LDR equipment has been discontinued by many manufacturers over the last few years, leaving HDR brachytherapy as the major alternative. HDR brachytherapy techniques deliver a very high dose, of the order of 1.6-5.0 Gy/min, so mistakes can lead to under- or over dosage with the potential for clinical adverse effects. More than 500 HDR accidents (including one death) have been reported along the entire chain of procedures from source packing to delivery of dose. Human error has been the prime cause of radiation events. In the present report, the International Commission on Radiological Protection concludes that many accidents could have been prevented if staff had had functional monitoring equipment and paid attention to the results. Since iridium has a relatively short half-life, the HDR sources need to be replaced approximately every 4 months. Over 10,000 HDR sources are transported annually, with the resultant potential for accidents; therefore, appropriate procedures and regulations must be observed. A number of specific recommendations on procedures and equipment are given in this report. The need for an emergency plan and for practising emergency procedures is stressed. The possibility of loss or theft of sources must be kept in mind.

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ICRP Publication 97

Prevention of High-Dose-Rate Brachytherapy Accidents

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