The Microendoscopic Decompression of Lumbar Stenosis: A Review of the Current Literature and Clinical Results

Table 1

Summary of current papers, outcomes, and complications of MEDS for lumbar stenosis.

Authors	Patients	Age	Functional outcome scores	Follow-up	EBL	OR TIME	Hospital	Complications
			(VAS/ODI/SF-36)	(months)	(cc)	(Mins)	(days)
Khoo, 2002	25	68	No functional outcomes	12	68	109	1.8	4 durotomies
Ikuta, 2003	47	66	JOA ^∧ 72%, VAS ^∧ 70.6%	22	68	124	18	4 durotomies, 3 facet fractures, and 1 EDH
Ikuta, 2004	30	69	No functional outcomes	16	44	98	18	10 spinal EDH
Rahman, 2005	126	68	No functional outcomes	NR	50	108	0.75	1 durotomy
Castro, 2005	50	56	VAS ^∧ 6.02, ODI ^∧ 30.23	48	NR	94.3	3.16	5 durotomies, 2 infections, and 2 instability
Ikuta, 2005	114	67	JOA ^∧ 9.4, VAS ^∧ 38	28	NR	NR	NR	6 durotomies and 3 facet fractures
Rosen, 2005	57	80	VAS ^∧ 2.4, ODI ^∧ 21, SF-36 ^∧ 22	10	NR	NR	2.3	None
Ikuta, 2006	37	69	JOA ^∧ 9.4, VAS ^∧ 43, RMDQ	38	NR	NR	NR	1 durotomy
Asgarzadie, 2007	48	64	ODI ^∧ 20, SF36 ^∧ 0.6	48	25	55	1.5	4% durotomies
Pao, 2007	53	62	JOA ^∧ 14.8, ODI ^∧ 47.6	15	104.5	126.7	NR	5 durotomies and 1 instability
Wada, 2008	15	72	JOA ^∧ 6.3, dural CSA ^∧ 408%	18	60	144	NR	1 EDH and 1 repeat operation
Yagi, 2009	20	73	JOA, VAS	18	37	71.1	3	Open: 2 instability. MEDS: none
Xu, 2009	32	65	MacNab: 21 Excellent, 11 Good	12	150	70	7	2 durotomies