| Recommendation | Grade | Level of evidence | Key references | |
|---|---|---|---|---|
|
| ||||
| 3.4 | Measure AP and ABI as the first-line noninvasive test in all patients with suspected CLTI. | 1 (Strong) | B (Moderate) | Lijmer,19 1996 Dachun,20 2010 |
| 3.5 | Measure TP and TBI in all patients with suspected CLTI and tissue loss (Fig 3.1). | 1 (Strong) | B (Moderate) | Aboyans,21 2008 Salaun,169 2018 |
| 3.6 | Consider using alternative methods for noninvasive assessment of perfusion, such as PVR, transcutaneous oximetry, or skin perfusion pressure, when ankle and toe pressures, indices, and waveforms cannot be assessed. | 2 (Weak) | C (Low) | Aboyans,21 2008 Shirasu,23 2016 Saluan,169 2018 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.