23 June 2025 : Clinical Research
Ultrasound Measurement of Pupillary Dilation Reflex During Induction of General Anesthesia Using Sufentanil: A Randomized Controlled Trial
Liji Xing ABCDEF 1, Hong Xie ADF 1, Xuelan Zhou ABC 1, Jiang Zhu AD 1, Hairui Liu ABDEG 1*DOI: 10.12659/MSM.948209
Med Sci Monit 2025; 31:e948209
Table 1 Demographics and baseline characters.
| P (n=30) | S1 (n=31) | S2 (n=28) | P value | |
|---|---|---|---|---|
| Age (yr) | 47.2 (10.2) | 44.2 (9.7) | 46.2 (11.4) | 0.520 |
| Sex (Male/Female) | 13/17 | 15/16 | 10/18 | 0.615 |
| ASA (I/II) | 20/10 | 24/7 | 18/10 | 0.498 |
| BMI (kg·cm) | 23.3 (4.1) | 24.6 (2.6) | 23.0 (2.8) | 0.135 |
| Ambient brightness (lux) | 119.0 (19.0) | 115.0 (21.5) | 115.3 (14.4) | 0.653 |
| SBP (mmHg) | 131.2 (15.4) | 134.3 (17.6) | 135.8 (17.7) | 0.580 |
| DBP (mmHg) | 82.5 (10.3) | 79.7 (10.8) | 80.6 (10.1) | 0.581 |
| HR (BPM) | 79.0 (13.7) | 75.6 (15.2) | 79.4 (12.6) | 0.500 |
| BIS | 94.2 (3.9) | 94.3 (5.5) | 94.0 (3.1) | 0.974 |
| PD (mm) | 4.35 (0.70) | 4.51 (0.76) | 4.36 (0.78) | 0.619 |
| BMI – body mass index; SBP – systolic arterial pressure; DBP – diastolic arterial pressure; HR – heart rate; BIS – bispectral index; PD – pupil diameter. | ||||






