From: A comparison of ultrasound guided bilateral single injection shot Erector Spinae Plane blocks versus wound infiltration for post-operative analgesia in laparoscopic assisted colonic surgery- a prospective randomised study
ESPB
WI
Fisher’s Exact Test p-value
N = 33
N = 34
Ileus
3 (33%)
6 (67%)
0.48
Aspiration Pneumonia
1 (50%)
1.00
Hypotension
1 (100%)
0 (0%)
0.49
Atelectasis