What do systematic reviews say?

Acute postoperative pain at 12 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Acute postoperative pain at 24 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Acute postoperative pain at 12 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Acute postoperative pain at 24 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · adults undergoing brain surgery

Acute postoperative pain at 12 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Acute postoperative pain at 24 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · adults undergoing brain surgery

Acute postoperative pain at 12 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Acute postoperative pain at 24 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · adults undergoing brain surgery

Acute postoperative pain 0 to 6 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Acute postoperative pain 0 to 6 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Acute postoperative pain 0 to 6 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery

Acute postoperative pain 0 to 6 hours (Score 0 to 10, VAS or NRS Scale) · adults undergoing brain surgery