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[Color-coded Doppler in the diagnosis of vascular complications following heart catheterization]
F Alfonso1, C Macaya, J Goicolea
1Departamento de Exploración Cardiopulmonar, Hospital Clínico Universitario, Madrid.
Insights
Color Doppler ultrasound is valuable for diagnosing vascular complications after cardiac catheterization, including pseudoaneurysms and arteriovenous fistulae. This imaging technique aids in differentiating these conditions, guiding appropriate patient management.
Area of Science:
- Vascular Surgery
- Diagnostic Imaging
- Cardiology
Background:
- Cardiac catheterization can lead to vascular complications requiring surgical repair.
- Accurate and timely diagnosis of these iatrogenic injuries is crucial for patient outcomes.
Observation:
- Color Doppler ultrasound was used to analyze 5 patients with suspected vascular complications post-cardiac catheterization.
- Specific Doppler findings identified femoral pseudoaneurysms, arteriovenous fistulae, and femoral hematomas.
Findings:
- Color Doppler accurately visualized characteristic blood flow patterns for pseudoaneurysms (systolic jet, diastolic reversal) and arteriovenous fistulae (continuous turbulent flow).
- Diagnosis of femoral hematoma was made by identifying a non-interfering echogenic structure.
- All diagnoses were subsequently confirmed by angiography and/or surgical findings.
Implications:
- Color Doppler ultrasound, using readily available echocardiographic technology, is effective in the differential diagnosis of vascular complications after cardiac catheterization.
- This imaging modality can guide surgical intervention and improve patient management for post-catheterization vascular injuries.
Abstract:
To determine the value of color Doppler in the diagnosis of vascular complications resulting from cardiac catheterization 5 consecutive patients, with the clinical suspicious of vascular iatrogenesis potentially requiring surgical repair, were analyzed. In 2 patients a femoral mass developed after a diagnostic catheterization but 3 patients underwent previously an interventional catheterization technique. In 3 patients color Doppler readily visualized a systolic jet originated in the femoral artery entering an anterior echo-free cavity, and a reversal flow in diastole, suggesting a femoral pseudoaneurysm. In 1 patient the clinical diagnosis of arteriovenous fistulae was confirmed by color Doppler which demonstrated a continuous turbulent flow within the femoral vein. In the remaining patient a diagnosis of simple femoral haematoma was made after the demonstration of a relatively echogenic structure overlying the femoral artery and vein but not interfering with their flows. In the 3 patients with femoral pseudoaneurysms and in the patient with arteriovenous fistulae the diagnosis was confirmed by angiography and during surgery. Our preliminary findings underscore the value of color Doppler, using the technology currently available in echocardiographic laboratories, in the differential diagnosis of vascular complications after cardiac catheterization.