Peripheral Arteries

Schäberle, Wilhelm

doi:10.1007/978-3-642-02509-9_2

Cited by 2 publications

(3 citation statements)

References 68 publications

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“…The measurement of ABI ≤ 0.9 was shown to be highly specific for the presence of significant arterial stenosis in studies using digital subtraction angiography or magnetic resonance angiography as the reference method . Although, in our study, no arterial imaging reference was available, results of previous studies suggest that the abnormal distal EIA Doppler waveform corresponds to the presence of the significant aortoiliac, common femoral, or proximal superficial femoral stenosis …”

Section: Discussionmentioning

confidence: 47%

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Echocardiographic Evaluation of External Iliac Artery Doppler Waveform in Patients with Coronary Artery Disease

et al. 2013

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Visual interpretation of the Doppler waveform in the common femoral or distal external iliac artery (EIA) was reported to be useful in screening for proximal peripheral artery occlusive disease (PAOD) in patients with lower limb ischemia. Commonly patients with coronary artery disease (CAD) referred for echocardiography have coexistent arterial pathology. Therefore, we decided to study whether echocardiographic evaluation of the distal EIA flow can be useful for detection of PAOD in patients with CAD. We studied 150 consecutive patients (pts) with CAD referred for echocardiography. At the end of an echocardiographic examination, evaluation of the flow in the distal EIA with an echocardiographic probe was performed. The Doppler waveform was classified as normal-with early diastolic flow reversal or abnormal-without early diastolic flow reversal. Echocardiographic findings were compared in a blinded fashion with the results of the ankle brachial index measurements (ABI). Based on the ABI ≤ 0.9, peripheral artery disease was diagnosed in 54 pts (36%) and abnormal external iliac Doppler waveform was found in 27 pts (18%). Sensitivity of abnormal external iliac Doppler waveform in predicting PAOD was 48%, specificity 99%, positive predictive value (PPV) 96%, and negative predictive value 77%. Peripheral arterial occlusive disease is common in patients with CAD referred for echocardiographic study. Echocardiographic assessment of distal EIA Doppler waveform has low sensitivity, but high specificity and high PPV in the diagnosis of peripheral arterial occlusive disease.

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Section: Discussionmentioning

confidence: 47%

“…An absence of diastolic flow reversal in the Doppler waveform is a well‐established indicator of significant lower extremity arterial stenosis . In our study, interpretation of EIA Doppler waveform, regarding the presence or absence of diastolic flow reversal, was simple and reproducible.…”

Section: Discussionmentioning

confidence: 51%

Echocardiographic Evaluation of External Iliac Artery Doppler Waveform in Patients with Coronary Artery Disease

et al. 2013

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“…However, absence of the diastolic reversal (abnormal waveform) was present in both aorto-iliac and superficial femoral artery (SFA) stenoses, resulting in lower positive predictive value regarding aorto-iliac segment. We believe that this is due to the phenomenon of Doppler waveform distortion not only distally, but also proximally to a significant stenosis [17]. In one study, a specific abnormal Doppler waveform, that was registered in the common femoral artery, was predictive of SFA stenosis [11].…”

Section: Discussionmentioning

confidence: 99%

Echocardiographic evaluation of aorto-iliac occlusive disease

Styczyński

Szmigielski

Kaczyńska

et al. 2011

Int J Cardiovasc Imaging

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Several studies demonstrated feasibility of visual assessment of the common femoral artery Doppler waveform, in an indirect evaluation of aorto-iliac segment stenosis. Patients with cardiac diseases referred for echocardiography often have coexistent arterial pathology. Since many of them are potential candidates for endovascular procedures, we decided to study, whether echocardiography can be useful for detection of aorto-iliac occlusive disease. We evaluated 92 patients with abdominal aortic aneurysm or peripheral artery occlusive disease, referred from the vascular surgery department for cardiac evaluation before surgery. At the end of an echocardiographic examination, evaluation of flow in the distal external iliac arteries with an echocardiographic probe was performed. The Doppler waveform was classified into normal—with early diastolic flow reversal or abnormal—without early diastolic flow reversal. Echocardiographic results were compared in a blinded fashion with reports from computed tomography angiography. Overall there were 58 iliac segments with significant (≥70%) area stenosis or occlusion and 126 iliac segments without significant disease on computed tomography angiography. Abnormal Doppler waveform was found in 56 out of 58 abnormal iliac segments—sensitivity 97%, and normal waveform was found in 106 out of 126 normal iliac segments—specificity 84%. Positive predictive value of abnormal Doppler waveform for significant iliac disease was 74%, and negative predicting value was 98%. Detection of significant stenoses in aorto-iliac segments is feasible with echocardiography. Further studies are necessary to evaluate its potential utility in a population of patients with cardiac disease referred for echocardiographic study.

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Peripheral Arteries

Cited by 2 publications

References 68 publications

Echocardiographic Evaluation of External Iliac Artery Doppler Waveform in Patients with Coronary Artery Disease

Echocardiographic Evaluation of External Iliac Artery Doppler Waveform in Patients with Coronary Artery Disease

Echocardiographic evaluation of aorto-iliac occlusive disease

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