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| Author | Tatsuhlto Akimoto |
| Abstract | The purpose of this project was to survey the literature concerning optimisation of patient radiation dose in CT so that appropriate patient dose reduction can be put forward to improve the situation regarding in Malta. The databases used were Medline, Cinahl and the internet articles, whilst the search words used were CT, optimisation, and patient radiation dose. Information regarding the situation at St. Luke Hospital was obtained by interviewing radiographers in CT scan room. The main findings of the literature research were the fact that optimisation of patient radiation dose in CT scan can be accomplished by (1) the use of devices with the right specifications (e.g., detector efficiency and automatic tube current modulation etc), and (2) the use of the right protocols (e.g., exposure parameters and pitch etc). In the case of the Maltese situation, it was found that St. Luke Hospital still uses old type of conventional CT scanner, and although CT scan protocols exist, these are rather plain and not strictly followed in practice. However, a new spiral CT scanner is currently being installed and also new protocols will be established. On the basis of these findings, it is recommended that installation of a spiral CT device, the use of the right scan parameters, considerations for paediatric and pregnant patients, establishment of DRLs and quality control programmes are important with respect to optimisation of patient radiation dose. |
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| Key words | Radiography, Thesis, Optimisation, Radiation Dose |