“…A peak flow velocity > 100 cm/s at the aortomesenteric LRV was a Doppler criterion of NCP. Approximately 30% and 15% of the patients were diagnosed with NCP and NCS, respectively, and the results were presented at the 2020 Annual Congress of the Korean Society of Ultrasound in Medicine [ 4 ]. Although the results were from a single kidney-specialty referral clinic, they suggest that NCP and NCS may not be rare conditions.…”