A randomized controlled trial comparing ultrasound-guided versus traditional palpatory methods of posterior tibial artery cannulation in adult patients.

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The palpation method of posterior tibial artery cannulation has not yet been compared to ultrasound-guided posterior tibial artery cannulation in adults. This research examined whether using ultrasound to cannulate the posterior tibial artery enhances first-pass cannulation success and lowers total procedure time. In this randomized controlled experiment, 76 adult patients were included who were undergoing surgery under general anesthesia and required artery cannulation. Cannulation of the posterior tibial artery was performed utilizing either an ultrasound-assisted method (group U) or a palpation method (group P). Data were analyzed for cannulation success on the first attempt, number of cannulation attempts, assessment time, cannulation time, and total procedure time. The P group had a considerably shorter mean assessment time than the U group [14.29 ± 2.79 s vs 20.89 ± 2.70 s; p < .001]. Moreover, cannulation time was substantially longer in the P (29.20 ± 12.60 s) than in the U group (15.90 ± 6.50 s) (p < .001). The total procedure time remained statistically more in the P group than in the U group (p = 0.007). The rate of successful posterior tibial artery cannulation on the first attempt was comparable between the two groups (63.2% in the U and 55.3% in the P group, respectively; p = .484)]. The posterior tibial artery may be a suitable alternative to arterial cannulation for individuals with multiple failed attempts or difficult access. The application of ultrasound during posterior tibial artery cannulation in adult patients is safe and feasible and accompanied by a reduction in cannulation and total procedure time. The rate of first-attempt successful posterior tibial artery cannulation was comparable between the two groups.