Femoral Pseudoaneurysm Due to Diagnostic or Interventional Angiographic Procedures

Abstract

The authors investigated the incidence of, diagnostic methods for, and treatment strategies for iatrogenic femoral pseudoaneurysms in their hospital and compared the results with those in the literature. The hospital records of 25,273 patients who had coronary or peripheral angiography and angioplasty in Sani Konukoglu Medical Center from September 1997 to December 2002 were collected retrospectively. All the complications were detected and femoral pseudoaneurysm cases were selected. Diagnostic criteria and treatment strategy were documented. All results were compared with the literature. Femoral pseudoaneurysm was the second in number of complications and bleeding the first. Twenty-eight patients with pseudoaneurysm were diagnosed with color Doppler ultrasound (US) imaging (0.11%). Eleven of these closed spontaneously within 3-7 days. Image-guided compression therapy was applied to the remaining 17 and was effective in 10. The remaining 7 patients were operated on successfully. In this series the incidence of iatrogenic femoral pseudoaneurysm was comparable with the literature (0.02%-2%). Color Doppler US is the best diagnostic tool for this complication, and no other method was necessary. Eleven cases of spontaneous closure may show a rather benign prognosis, but close follow-up is advised. Image-guided compression is also an effective and noninvasive method of therapy for this complication. In late cases with a thick neck, surgery should be done immediately. It is easy to prevent rather than treat this complication. The similar incidence in the literature and in this series shows that a number of complications are to be expected, and so prompt and early diagnosis and effective treatment are very important. Application of good external compression after catheterization, selecting the thinnest introducer, use of B-mode and color Doppler US imaging for suspected cases, and image-guided compression therapy are also effective in early cases with a thin neck of the aneurysm.

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