Ultrasonographic measurements
±, SD
Over time, the diameter and CSA of radial artery showed significant differences between the two groups (Results of ultrasonographic measurements in control group and nitroglycerin groupValues are mean ± SD, median (interquartile range) [range]. T1 = baseline; T2 = 3 min after subcutaneous nitroglycerin injection or saline injection; T3 = immediately after radial artery cannulation. Results of ultrasonographic measurements: No differences were found in the TAMAX (