A comparison of effects of scalp nerve block and local anesthetic infiltration on inflammatory response, hemodynamic response, and postoperative pain in patients undergoing craniotomy for cerebral aneurysms: a randomized controlled trial

Table 2 Pain control related adverse events during the study period (48 h after surgery)

	Group C (n = 17)	Group I (n = 16)	Group S (n = 18)	P values
Fever	1 (5.9%)	2 (12.5%)	1 (5.6%)	NS
Nausea and Vomit*	5 (29.4%)	4 (25%)	2 (11.1%)	0.017*
Dizziness	1 (5.9%)	0	1 (5.6%)	NS
Respiration depression	0	0	0	NA
Cutaneous pruritus	0	0	0	NA
Subcutaneous haematomas	0	0	0	NA
Scalp infection	0	0	0	NA
Local anesthetic toxicity	0	0	0	NA

Values are given as number of patients(%)
Group C Control group, Group I Local anesthesic infiltration group, Group S Scalp nerve block group
Abbreviations: NA Not applicable, NS Not significant
^*P < 0.05 comparison among three groups

ISSN: 1471-2253