Registo em formato MARC

001 INR20170608120451
010   ^a978-989-8252-29-6^dOferta
100   ^a20170608d2016    k  y0porb0103    ba
101 0 ^apor
102   ^aPT
105   ^aa   m   001yy
106   ^ar
200 1 ^a<An >investigation into the optimisation of paediatric Portuguese Computed Tomography practice^fJoana Santos
210   ^aCoimbra^cEscola Superior de Tecnologia da Saúde de Coimbra^d2016
215   ^a202 p.^cil. ;^d24 cm
225 2 ^aCiência, Saúde e Inovação^eTeses de doutoramento^v27
330   ^aConteúdo; Image index; Table index; Abbreviation index; Abstract; Statement of original authorship; Acknowledgments; Chapter 1 Background; 1.1 Computed tomography; 1.1. Ct technology; 1.1.2 Ct clinical indications and risks;  1.1.3 Paediatric CT risk; 1.2 Measurement of dose in CT; 1.3 Paediatric Ct examinations; 1.4 Paediatric Ct examinations guidelines; 1.5 Portuguese context; 1.6 Portuguese paediatric CT examinations; 1.7 Summary of chapter 1; Chapter 2 Establishment of DRLs; 2.1 DRL relevance; 2.2 How to obtain a DRL; 2.3 European DRLs for paediatric CT examinations; 2.4 National DRL Survey Methodology; 2.4.1 Website creation; 2.4.2 On-line survey creation; 2.4.3 Call fo responses to national survey; 2.5 National survey results and discussion; 2.5.1 Demographic data; 2.5.2 Frequency of CT examinations; 2.5.3 Adult CT protocols; 2.5.4 Adult CT DRLs; 2.6 Paediatric survey findings; 2.6.1 Hospital Inclusion; 2.6.2 Retrospective paediatric dose data collection; 2.7 Portuguese paediatric DRLs results and discussion; 2.7.1 Frequency of paediatric CT examinations; 2.7.2. Paediatric patient demographics; 2.7.3 Paediatric CT protocols; 2.7.4 Paediatric Ct DRLs; 2.8 Limitations of chapter 2; 2.9 Summary of chapter 2; Chapter 3 Paediatric CT optimisation phantom tests; 3.1 CT optimisation; 3.1.1 MSCT Technology: exposure parameter selection; 3.1.2 Frequency of paediatric procedures; 3.2 Catphan experimental tests; 3.3 Catphan 600 Image Quality Evaluation; 3.4 Anthropomorphic phantoms experimental tests; 3.5 Phantoms experimental tests results and discussion; 3.6 Image quality evaluation with Osirix software; 3.7 Limitations of Chapter 3; 3.8 Summary of chapter 3; Chapter 4 Investigation of the impact of paediatric specific dose modulation curves; 4.1 Tube voltage and current modulation; 4.2 Anthropomorphic experimental comparison; pre/post upgrade; 4.2.1. Methodology; 4.2.2 Radiation dose results, 4.3. Clinical case comparison: pre/post upgrade; 4.3.1 Image quality - Subjective analyses; 4.3.2 Image quality - Objective analyses; 4.4 Discussion; 4.4.1 Patient demographics; 4.4.2 DRLs pre and post upgrade; 4.4.3 Image Quality; 4.5 Limitations of Chapter 4; 4.6 Summary of chapter 4; Chapter 5 Impact of vinyl barium in-plane shielding; 5.1 CT in-plane shielding; 5.2 Organ dose measurement and image quality effects; 5.3 Dose reduction results; 5.4 Vinyl barium in-plane shielding and image quality effects; 5.5 Limitations of chapter ; 5.6 Summary of chapter; Chapter 6 Optimised National DRLs; 6.1 Comparison of the paediatric CT DRLS in 2011 and 2013; 6.2 Comparison of optimised paediatric CT DRLs with the European; Chapter 7 Conclusions; Publications and conference presentations; References; Appendices; Appendix 1 - CT survey; Appendix 2 - Authorisation and ethical approval 
606   ^aPEDIATRIA
606   ^aRADIOLOGIA
700  1^aSANTOS,^bJoana
801   ^aPT^bINR^c20170608^gRPC
859   ^uhttps://www.inr.pt/documents/11309/226343/M0721_An_investigation_into_the_optimisation_of_paediatric_Portuguese_Computed_Tomography_practice/10af85ef-45a0-40f4-aa12-6b5b805d6695?t=1723845627330
920 n
921 a
922 m
931 20170608
932 d
933 2016
935 k  
936 y
937 0
938 ba
966   ^lINR^a12583^sM 0721^120170609