| Recommendation | Grade | Level of evidence | Key references | |
|---|---|---|---|---|
|
| ||||
| 3.7 | Consider DUS imaging as the first arterial imaging modality in patients with suspected CLTI. | 2 (Weak) | B (Moderate) | Hingorani,24 2008 |
| 3.8 | Consider noninvasive vascular imaging modalities (DUS, CTA, MRA) when available before invasive catheter angiography in patients with suspected CLTI who are candidates for revascularization. | 2 (Weak) | B (Moderate) | Larch,25 1997 Adriaensen,26 2004 Hingorani,27 2004 Collins,28 2007 Hingorani,24 2008 Met,29 2009 |
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