Abbreviations

COX-2	Cyclo-oxygenase-2
CSE	Combined spinal and epidural anaethesia
FDA	U.S Food and Drug Administration
GA	General anaesthesia
IM	Intramuscular
IV	Intravenous
LoE	Level of evidence
LSPSL	Lumbar spinous process splitting laminectomy
NA	Not Applicable
NRS	Numerical rating scale
NS	Not significant/ no significant difference
NSAID	Nonsteroidal anti-inflammatory drug
PACU	Post-anaesthesia care unit
PCA	Patient-controlled analgesia
POD	Postoperative day
PONV	Postoperative nausea and vomiting
RCT	Randomised controlled trial
SA	Spinal anaesthesia
VAS	Visual analogue score
VRS	Verbal rating scale

2nd World Day of Regional Anaesthesia & Pain Medicine