09 September 2020 : Clinical Research
Echo-Tracking Technique in Ultrasonography Can Monitor Changes in Carotid Artery Elastic Function at Early Stage of Intensity-Modulated Radiation Therapy for Nasopharyngeal Carcinoma
Wei Han12BDE, Junjie Liu3BC, Zhijie Liu1BEF, Xiaodong Zhu1AFG*DOI: 10.12659/MSM.926260
Med Sci Monit 2020; 26:e926260
Table 3 Changes of ET ultrasound values during radiotherapy.
| Time (week) | Ep (kPa) | β | AC (mm2/kPa) | PWV-β (m/s) | AI (%) | |
|---|---|---|---|---|---|---|
| Control group | 0 weeks | 86.37±13.29 | 7.46±1.25 | 0.84±0.13 | 5.70±0.19 | 7.38±3.48 |
| 18 weeks | 88.18±16.05 | 7.85±1.23 | 0.86±0.27 | 5.68±0.31 | 8.22±2.26 | |
| 30 weeks | 85.96±10.13 | 7.66±1.76 | 0.85±0.12 | 5.65±0.22 | 7.61±5.17 | |
| Irradiation group | 0 weeks | 85.76±12.23 | 7.65±1.26 | 0.87±0.21 | 5.63±1.32 | 7.45±5.22 |
| 2 weeks | 87.35±11.46 | 7.83±1.47 | 0.85±0.18 | 5.68±1.30 | 8.28±4.16 | |
| 4 weeks | 88.25±20.34 | 8.04±1.49 | 0.82±0.16 | 5.75±1.22 | 7.82±3.41 | |
| 6 weeks | 95.36±22.19* | 8.49±1.62* | 0.81±0.22 | 5.83±1.31 | 7.48±5.33 | |
| 18 weeks | 107.24±16.57* | 10.03±2.17* | 0.62±0.24* | 6.58±2.50* | 9.16±4.01 | |
| 30 weeks | 136.37±21.08* | 13.49±1.94* | 0.50±0.21* | 7.34±2.43* | 9.57±4.36 | |
| * Significant difference compared with that of irradiation group before radiotherapy; # significant difference compared with that of control group at 18; & significant difference compared with that of control group at 30. | ||||||