S Kottou

Summary

Affiliation: University of Athens
Country: Greece

Publications

  1. ncbi request reprint Personnel doses in haemodynamic units in Greece
    S Kottou
    Athens University, Medical Physics Dept, Medical School, 75 M Asias str, Athens, Greece
    Radiat Prot Dosimetry 94:121-4. 2001
  2. ncbi request reprint Intercomparison of TL dosimetry (DIMOND programme)
    S Kottou
    Medical Physics Dept, Medical School, Athens University, 75 M Asias str, Athens, Greece
    Radiat Prot Dosimetry 94:125-8. 2001
  3. doi request reprint Level of patient and operator dose in the largest cardiac centre in Greece
    V Tsapaki
    Konstantopoulio Agia Olga Hospital, 3 5 Agias Olgas Street, Nea Ionia, Athens, Greece
    Radiat Prot Dosimetry 129:71-3. 2008
  4. ncbi request reprint Patient dose, image quality and radiographic techniques for common X ray examinations in two Greek hospitals and comparison with European guidelines
    D Papadimitriou
    Department of Medical Physics, University of Athens, School of Medicine, 75 Mikras Asias, Goudi 11527, Athens, Greece
    Radiat Prot Dosimetry 95:43-8. 2001
  5. doi request reprint High patient doses in interventional cardiology due to physicians' negligence: how can they be prevented?
    I Mavrikou
    Medical Physics Department, Athens General Hospital, 154 Mesogion Avenue, Athens, Greece
    Radiat Prot Dosimetry 129:67-70. 2008
  6. doi request reprint Patient skin dose assessment during CT-guided interventional procedures
    V Tsapaki
    Konstantopoulio Hospital, 3 5 Agias Olgas str, Nea Ionia, Athens, Greece
    Radiat Prot Dosimetry 129:29-31. 2008
  7. doi request reprint Commissioning and constancy protocols for digital angiographic units
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, Athens, Greece
    Radiat Prot Dosimetry 129:258-60. 2008
  8. ncbi request reprint Comparison of a conventional and a flat-panel digital system in interventional cardiology procedures
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, Medical Physics Department, Medical School, Athens University, Athens, Greece
    Br J Radiol 77:562-7. 2004
  9. ncbi request reprint Patient dose values in a dedicated Greek cardiac centre
    V Tsapaki
    Department of Bioengineering, Onassis Cardiac Surgery Centre, Athens, Greece
    Br J Radiol 76:726-30. 2003
  10. ncbi request reprint Radiation dose measurements to the interventional cardiologist using an electronic personal dosemeter
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, Athens, Greece
    Radiat Prot Dosimetry 112:245-9. 2004

Collaborators

Detail Information

Publications22

  1. ncbi request reprint Personnel doses in haemodynamic units in Greece
    S Kottou
    Athens University, Medical Physics Dept, Medical School, 75 M Asias str, Athens, Greece
    Radiat Prot Dosimetry 94:121-4. 2001
    ..Evaluation of risk level and check of compliance with regulatory dose limits should be part of continuing radiation protection education...
  2. ncbi request reprint Intercomparison of TL dosimetry (DIMOND programme)
    S Kottou
    Medical Physics Dept, Medical School, Athens University, 75 M Asias str, Athens, Greece
    Radiat Prot Dosimetry 94:125-8. 2001
    ..Irradiating set-up conditions, evaluated doses, as well as comparison of mean values with the 'true' nominal doses are presented and discussed...
  3. doi request reprint Level of patient and operator dose in the largest cardiac centre in Greece
    V Tsapaki
    Konstantopoulio Agia Olga Hospital, 3 5 Agias Olgas Street, Nea Ionia, Athens, Greece
    Radiat Prot Dosimetry 129:71-3. 2008
    ..6, 27 and 13 microSv, respectively, per procedure. The great range of radiation doses received by both patients and operators confirms the need for continuous monitoring of all IC techniques...
  4. ncbi request reprint Patient dose, image quality and radiographic techniques for common X ray examinations in two Greek hospitals and comparison with European guidelines
    D Papadimitriou
    Department of Medical Physics, University of Athens, School of Medicine, 75 Mikras Asias, Goudi 11527, Athens, Greece
    Radiat Prot Dosimetry 95:43-8. 2001
    ..All four X ray rooms in the survey achieved mean doses well below the European reference doses. However the mean doses in the X ray rooms differed by a factor of about 3...
  5. doi request reprint High patient doses in interventional cardiology due to physicians' negligence: how can they be prevented?
    I Mavrikou
    Medical Physics Department, Athens General Hospital, 154 Mesogion Avenue, Athens, Greece
    Radiat Prot Dosimetry 129:67-70. 2008
    ..The question to answer next is how this bad practice can be prevented since no dose constraints apply to diagnostic or therapeutic procedures using ionising radiation...
  6. doi request reprint Patient skin dose assessment during CT-guided interventional procedures
    V Tsapaki
    Konstantopoulio Hospital, 3 5 Agias Olgas str, Nea Ionia, Athens, Greece
    Radiat Prot Dosimetry 129:29-31. 2008
    ..2 Gy). For these procedures, an alternative method should be investigated...
  7. doi request reprint Commissioning and constancy protocols for digital angiographic units
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, Athens, Greece
    Radiat Prot Dosimetry 129:258-60. 2008
    ..The commissioning protocol was tested by SENTINEL partners who expressed an interest in checking their dynamic digital systems using this protocol. The results of basic tests are reported...
  8. ncbi request reprint Comparison of a conventional and a flat-panel digital system in interventional cardiology procedures
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, Medical Physics Department, Medical School, Athens University, Athens, Greece
    Br J Radiol 77:562-7. 2004
    ..The results of the study concerning the FPF system lead to the conclusion that the lowest fluoroscopic mode and the lowest frame rate should be used in routine practice...
  9. ncbi request reprint Patient dose values in a dedicated Greek cardiac centre
    V Tsapaki
    Department of Bioengineering, Onassis Cardiac Surgery Centre, Athens, Greece
    Br J Radiol 76:726-30. 2003
    ..Analysis of the patient dose values obtained initiated a program of radiation protection optimization. The need for continuous training in radiation protection for interventionalists has been verified...
  10. ncbi request reprint Radiation dose measurements to the interventional cardiologist using an electronic personal dosemeter
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, Athens, Greece
    Radiat Prot Dosimetry 112:245-9. 2004
    ..2 microSv in CA and 0.3 microSv in PTCA. EPD proved to be an easy, direct and straightforward way to measure the radiation dose that the cardiologist receives in an IC laboratory...
  11. ncbi request reprint A survey of 14 computed tomography scanners in Greece and 32 scanners in Italy. Examination frequencies, dose reference values, effective doses and doses to organs
    D Papadimitriou
    Medical Physics Dept, University of Athens, School of Medicine 75 M Asias Str, 11527 Athens, Greece
    Radiat Prot Dosimetry 104:47-53. 2003
    ..2 +/- 19.8 mGy during a cervical spine examination while the gonads receive 17.8 +/- 6.9 mGy during a routine pelvis examination...
  12. ncbi request reprint Quality assurance (QA) procedures for software: evaluation of an ADC quality system
    E P Efstathopoulos
    Second Department of Radiology, Medical School, University of Athens, General Hospital Attikon, Rimini 1, 124 62, Athens, Greece
    Radiat Prot Dosimetry 117:291-7. 2005
    ..It was discovered that the processing software evaluated in this study was able to improve some aspects of image quality, without introducing geometric distortion...
  13. doi request reprint Accuracy of CT dose monitor values: a multicentric study
    A Stratis
    Medical Physics Department, Medical School, University of Athens, Athens, Greece
    Radiat Prot Dosimetry 158:285-9. 2014
    ..7, -6.0, 0.8, -1.1, -0.4, -1.9, -5.3, 5.2 and 10.1 % for single, dual, 4, 6, 16, 24, 64, 128 and dual source 256-slice systems, respectively. ..
  14. ncbi request reprint Investigation of breast dose in five screening mammography centres in Greece
    V Tsapaki
    Medical Physics Department, Konstantopoulio Hospital, Nea Ionia, 142 33, Athens, Greece
    J Radiol Prot 28:337-46. 2008
    ..5 cm CBT. However, the variety of techniques observed revealed the need for a nationwide survey concerning screening mammography in Greece...
  15. ncbi request reprint Does digital imaging decrease patient dose? A pilot study and review of the literature
    V Neofotistou
    Medical Physics Department, Athens General Hospital, 11527 Athens, Greece
    Radiat Prot Dosimetry 117:204-10. 2005
    ..Clinical trials are required in order to define reference levels associated with quality of digital image necessary to address specific clinical requirements...
  16. ncbi request reprint On the use of DICOM cine header information for optimisation: results from the 2002 European DIMOND cardiology survey
    E Vano
    Radiology and Medical Physics, San Carlos Hospital Complutense University, Madrid, Spain
    Radiat Prot Dosimetry 117:162-5. 2005
    ..5 and 15.4 and the mean number of frames per procedure between 575 and 1417. Differences in kVp, mA, pulse time, distances and C-arm angulations are substantial and suggest that there exists a wide range for optimisation...
  17. doi request reprint Patient dose in interventional radiology: a European survey
    E Vano
    Radiology Department, Ciudad Universitaria, Complutense University, Madrid, Spain
    Radiat Prot Dosimetry 129:39-45. 2008
    ..There is a need to improve the optimisation of IR procedures and their definitions and grouping, in order to account for their different complexities...
  18. doi request reprint Survey on performance assessment of cardiac angiography systems
    R Padovani
    Medical Physics Department, Udine Hospital, Italy
    Radiat Prot Dosimetry 129:108-11. 2008
    ..Results from this survey could contribute to the explanation of patient dose variability in angiographic cardiac procedures and to derive reference levels for cardiac angiographic equipment performance parameters...
  19. ncbi request reprint Comparison of a CCD and a flat-panel digital system in an Interventional Cardiology Laboratory
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, 3 5 Agias Olgas, Nea Ionia, 14233 Athens, Greece
    Radiat Prot Dosimetry 117:93-6. 2005
    ....
  20. ncbi request reprint Application of European Commission reference dose levels in CT examinations in Crete, Greece
    V Tsapaki
    Euromedica Medical Center, 44 Demokratius Str, 176174 Iraklion, Crete, Greece
    Br J Radiol 74:836-40. 2001
    ..It is anticipated that a reduction of L, or product mAs, or their combination, will reduce DLP without affecting image quality...
  21. ncbi request reprint Correlation of patient and staff doses in interventional cardiology
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, 3 5 Agias Olgas, Nea Ionia, 14233 Athens, Greece
    Radiat Prot Dosimetry 117:26-9. 2005
    ..69). DAP and foot dose correlation was poor both in CA (R2 = 0.16) and in PTCA (R2 = 0.02). Protective measures taken by staff varied between countries, which may explain the poor correlation of patient and staff radiation doses...
  22. doi request reprint Quality control measurements for fluoroscopy systems in eight countries participating in the SENTINEL EU coordination action
    J Zoetelief
    Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands
    Radiat Prot Dosimetry 129:237-43. 2008
    ..Only one participant was able to perform the monitor test using MoniQA. This is due to the fact that assistance is required from the suppliers of the X-ray systems. This problem needs to be solved to apply MoniQA in practice...