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Table 2 Incidence of adverse events

From: Comparison of the analgesic effect of ultrasound-guided paravertebral block and ultrasound-guided retrolaminar block in Uniportal video-assisted Thoracoscopic surgery: a prospective, randomized study

Adverse events

Group P

Group R

P value

Adverse events related to block procedures

 Pneumothorax or hydropneumothorax

1 (3)

0 (0)

1.000

 Nerve injury

0 (0)

0 (0)

 Bleeding complications

0 (0)

0 (0)

 Infection

0 (0)

0 (0)

Other adverse events

 Bradycardia

0 (0)

0 (0)

 Hypotension

0 (0)

0 (0)

 Hypoxemia

0 (0)

0 (0)

 Respiratory depression

0 (0)

0 (0)

 Nausea

1 (3)

8 (27)

0.026

 Vomiting

1 (3)

4 (13)

0.353

 Pruritus

0 (0)

0 (0)

 Dizziness

2 (7)

4 (13)

0.671

 Neurotoxicity

0 (0)

0 (0)

  1. The incidence of adverse effects data are expressed as numbers and percentages. P paravertebral block, R retrolaminar block.