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DOI: 10.1148/radiol.2402050907
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Prediction of Iatrogenic Pseudoaneurysm after Percutaneous Endovascular Procedures1

Wolfgang Mlekusch, MD, Markus Haumer, MD, Irene Mlekusch, PhD, Petra Dick, MD, Sabine Steiner-Boeker, MD, Andrea Bartok, MD, Schila Sabeti, MD, Markus Exner, MD, Oswald Wagner, MD, Erich Minar, MD and Martin Schillinger, MD

1 From the Departments of Internal Medicine II, Division of Angiology (W.M., M.H., I.M., P.D., S. Steiner-Boeker, A.B., S. Sabeti, E.M., M.S.) and Medical and Chemical Laboratory Diagnostics (M.E., O.W.), Vienna General Hospital, Medical University, Währinger Gürtel 18-20, A-1090 Vienna, Austria. Received June 1, 2005; revision requested July 29; revision received August 9; accepted September 7; final version accepted October 4. Address correspondence to W.M. (e-mail: wolfgang.mlekusch{at}meduniwien.ac.at).


Figure 1
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  		Figure 1: Sensitivity, specificity, positive predictive value, and negative predictive value are shown, with 95% confidence intervals in parentheses, for each of the tested clinical parameters and for low platelet count (less than 200 x 109/L). Palpable pulsatile groin mass and low platelet count were 100% predictive for pseudoaneurysms after inguinal arterial puncture.

 

Figure 2
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  		Figure 2: Box plot demonstrates a statistically significant association for platelet count between patients with (n = 23) and those without (n = 250) pseudoaneurysms. The bar indicates the median, the boxes represent the interquartile range, and the whiskers are the total range. Note that all patients with pseudoaneurysms had platelet counts of less than 200 x 109/L.

 




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