Pain Research and Management / 2021 / Article / Tab 3

Research Article

Ultrasound-Guided Pudendal Nerve Block Combined with Propofol Deep Sedation versus Spinal Anesthesia for Hemorrhoidectomy: A Prospective Randomized Study

Table 3

Secondary outcomes parameters.

Group SA (n = 60)Group PNB (n = 58)-value

Postoperative sufentanil consumption (μg)
 Day 1, median (quartile range)23 (12)12.0 (6.5)0.001
 Day 2, median (quartile range)14.0 (10.0)6.0 (6.0)0.001

The time for the first rescue analgesia, h, median (quartile range)3.0 (2.0)14 (7.3)0.001
The time to ambulation, h, median (quartile range)4.0 (2.0)2.0 (1.0)0.001
The pain intensity at the first defecation, median (quartile range)5.0 (2.0)4.0 (2.0)0.001

Sphincter relaxation (n)0.467
 No relaxation00

Surgeon satisfaction (n)0.148

Urinary retention, n (%)12 (20)4 (6.9)0.034
 Nausea and vomiting, n (%)11 (18.3)3 (5.2)0.023
 Pruritus, n (%)0 (0)0 (0)NS
 Respiratory depression after surgery, n (%)0 (0)0 (0)NS

n: number of patients. Group SA: the patients received spinal anesthesia; Group PNB: the patients received bilateral pudendal nerve block combined with propofol sedation; NS: not significant.