Journal of Vascular Surgery
Volume 45, Issue 2 , Pages 263-268 , February 2007

Intraobserver and interobserver variability of 64-row computed tomography abdominal aortic aneurysm neck measurements

  • Nicolas Diehm, MD

      Affiliations

    • Division of Clinical and Interventional Angiology, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Bern, Switzerland
    • ,
  • Ralph Kickuth, MD

      Affiliations

    • Institute of Diagnostic and Interventional Radiology, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Bern, Switzerland
    • ,
  • Brigitta Gahl, MSc

      Affiliations

    • Department of Cardiovascular Surgery, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Bern, Switzerland.
    • ,
  • Dai-Do Do, MD

      Affiliations

    • Division of Clinical and Interventional Angiology, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Bern, Switzerland
    • ,
  • Jürg Schmidli, MD

      Affiliations

    • Department of Cardiovascular Surgery, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Bern, Switzerland.
    • ,
  • Henning Rattunde, MD

      Affiliations

    • Institute of Diagnostic and Interventional Radiology, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Bern, Switzerland
    • ,
  • Iris Baumgartner, MD

      Affiliations

    • Division of Clinical and Interventional Angiology, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Bern, Switzerland
    • ,
  • Florian Dick, MD

      Affiliations

    • Department of Cardiovascular Surgery, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Bern, Switzerland.
    • Corresponding Author InformationReprint requests: Florian Dick, MD, Department of Cardiovascular Surgery, Swiss Cardiovascular Center, Inselspital, University Hospital of Bern, Freiburgstrasse, 3010 Bern, Switzerland.

Received 2 September 2006 ,Accepted 4 October 2006.

  • Image Result

    a, Infrarenal aortic aneurysm neck. RRA, Right renal artery; N, extent of the aortic neck on the first transverse computed tomographic slice distal to the RRA. b, Infrarenal aortic aneurysm neck. N, E

    a, Infrarenal aortic aneurysm neck. RRA, Right renal artery; N, extent of the aortic neck on the first transverse computed tomographic slice distal to the RRA. b, Infrarenal aortic aneurysm neck. N, Extent of the aortic neck on the last transverse computed tomographic slice of the neck segment defined as the infrarenal neck by consensus agreement of two experienced readers. c, Infrarenal aortic aneurysm neck. N, Extent of the aortic neck on two-dimensional reconstruction of the infrarenal aorta.

  • Image Result
    a, Plot of intraobserver differences against the average volume of the aortic neck for reader 1 according to Bland and Altman.22 b, Plot of intraobserver differences against the average volume of the

    a, Plot of intraobserver differences against the average volume of the aortic neck for reader 1 according to Bland and Altman.22 b, Plot of intraobserver differences against the average volume of the aortic neck for reader 2. c, Plot of intraobserver differences against the average volume of the aortic neck for reader 3.

  • Image Result
    Distribution of aortic neck volume measurement results as measured by three blinded and independent readers.

    Distribution of aortic neck volume measurement results as measured by three blinded and independent readers.

 Competition of interest: none.

PII: S0741-5214(06)01848-9

doi: 10.1016/j.jvs.2006.10.004

Journal of Vascular Surgery
Volume 45, Issue 2 , Pages 263-268 , February 2007

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