Perioperative outcomes in minimally invasive lumbar spine surgery: A systematic review

Table 1 Studies evaluating minimally invasive laminectomy

Ref.	Year	Surgery	Population	MIS patients	Open patients
RCTs/IRCTs
Cho et al[14]	2007	Split process laminectomy: Marmot operation	LSS	40	30
Usman et al[15]	2013	Unilateral laminectomy	LSS, no spondylolisthesis	30	30
Mobbs et al[17]	2014	Laminectomy: Unilateral laminectomy for bilateral decompression	LSS, max 2 levels, no spondylolisthesis	27	27
Watanabe et al[16]	2011	Lumbar spinous process-splitting laminectomy	Neurogenic claudication	22	19
Clinical case series
Rahman et al[18]	2008	Laminectomy	LSS, no discectomy	38	88
Nomura et al[19]	2014	Laminectomy: Spinous process-splitting laminectomy	Spondylolisthesis, LSS due to herniation	124	-
Parikh et al[20]	2008	Laminectomy	Degenerative disease	75	-
Komp et al[21]	2011	Laminectomy: Unilateral laminectomy for bilateral decompression	LSS, no spondylolisthesis > 1	74	-
Nomura et al[22]	2012	Laminectomy: Unilateral laminectomy for bilateral decompression: Paramedian approach	LSS, no discectomy	70	-
Tomasino et al[23]	2009	Laminectomy: Unilateral laminectomy for bilateral decompression	LSS, herniation in obese	28	-
Wada et al[24]	2010	Laminectomy	LSS, elderly patients	15	-

RCT: Randomized controlled trial; IRCT: Incomplete randomized controlled trial; LSS: Lumbar spinal stenosis; MIS: Minimally invasive.