Changes in luminal diameters and hemodynamic factors before and after CAS
| CAS Procedure Strategy (n = 28) | Gentle CAS: Intentional Residual Stent Stenosis | |
|---|---|---|
| Before | After | |
| NASCET (%) (median) (IQR) | 81.8 (77.9–89.1) | 39.5 (29.6–51.1)a |
| MLD before and MSD after CAS (median) (IQR) (mm) | 0.63 (0.4–0.94) | 2.9 (2.6–3.7)a |
| MCA relative SI (median) (IQR) | 0.73 (0.57–0.85) | 1.01 (0.9–1.06)a |
| PSV (median) (IQR) (cm/s) | 316 (198.8–389.9) | 91.9 (70.7–144)a |
| AI% (median) (IQR) | 96.9 (92.3–100.0) | 100.8 (93.6–103.9)b |
| rCBF% (median) (IQR) | 88.9 (83.7–94.8) | 94.6 (91.4–100.6)b |
| AVDO2 (median) (IQR) (O2 mL/mL) | 6.9 (6.0–7.8) | 6.3 (5.1–6.8)c |
| OEF (median) (IQR) | 0.41 (0.37–0.46) | 0.41 (0.35–0.43) |
| SBP (median) (IQR) (mm Hg) | 153.5 (142.5–167.5) | 132.5 (115.8–140.8a |
| DBP (median) (IQR) (mm Hg) | 77.5 (70–87.8) | 67 (62–71.8)a |
| Average BP (median) (IQR) (mm Hg) | 104.9 (94.7–110.9) | 88.7 (82.8–90.8)a |