Improved Analgesic Effect of Paravertebral Blocks before and after Video-Assisted Thoracic Surgery: A Prospective, Double-Blinded, Randomized Controlled Trial

Table 3

Rescue analgesia and complications during the PVB procedure and postoperatively.

	Group A	Group B	Group C
Rescue analgesia	2	0	0
Hypotension	0	3	0
Arrhythmia	0	0	0
PONV	2	3	0
Pruritus	0	0	0
Dizziness	0	0	0
Pleural puncture	0	1	0
Pneumonia	0	0	0

Data are presented as number of patients. PONV, postoperative nausea and vomiting.