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
Figure 2 Pupillary ultrasound technique (A) frontal position of the ultrasound probe, (B) sagittal view of the ultrasound probe, (C) image of pupil and measurement. Black arrow: direction of ultrasound probe adjustment; white line: pupil diameter