| Minamide et al. [5] |
2018 |
PCS |
Microendoscopic laminotomy |
242 (101 M, 141 F) |
Average, 68.1; range, 46 to 85 |
NA |
NA |
Preop, 14.4±4.3; postop at last FU, 23.3±4.8 |
Dural tear (3); transient neuralgia (3); epidural hematoma (4); infection (1) |
Average: 4.6 yr |
| Minamide et al. [4] |
2017 |
PCS |
MID |
122 (57 M, 65 F) |
Average, 70.4±8; range, 46 to 88 |
Preop, 55.9±28.1; postop at last FU, 35.0±30.1 |
NA |
Preop, 13.4±4.4; postop at last FU, 20.5±5.3 |
NA |
Average: 2.4 yr |
| Benyamin et al. [6] |
2016 |
RCT |
MID |
149 (74 M, 75 F) |
Average, 75.6±7.0 |
NA |
Preop, 53.0±12.9; postop at 1 yr, 37.0 |
NA |
Non-serious procedural hemorrhage (1) |
6 mo, 1 yr, 2 yr |
| Staats et al. [7] |
2016 |
RCT |
MID |
149 (74 M, 75 F) |
Average, 75.6±7.0 |
NA |
Preop, 53.0±12.9; postop at 6 mo, 34.5 |
NA |
Procedural hemorrhage (1); procedural pain (1) |
6 mo |
| Delitto et al. [18] |
2015 |
RCT |
Traditional decompression with laminectomies, facet resection and neuroforaminotomy |
87 (44 M, 43 F) |
Average, 66.6±10.5 |
NA |
Preop, 42.6; postop at 24 mo, 25.2 |
NA |
Allergy (1); blood loss (1); respiratory tract infection (3); reoperation of lumbar spine (3); worsening symptoms (2); wound healing/site infection (7) |
24 mo |
| Nerland et al. [8] |
2015 |
PCS |
MID, open laminectomy |
MID: 471 (249 M, 222 F); laminectomy: 414 (209 M, 205 F) |
MID: average, 66.6; laminectomy: average, 70.1 |
NA |
MID: preop, 38.0; postop at 1 yr, 19.6; laminectomy: preop, 42.1; postop at 1 yr, 25.0 |
NA |
MID: dural tear/spinal fluid leak (11); postop hematoma (1); cardiovascular complications (1); wound infection (8); UTIs (17); micturition problems (3); pneumonia (5); Laminectomy: dural tear/spinal fluid leak (21); postop hematoma (4); anaphylactic reaction (1); wound infection (11); UTIs (20); micturition problems (15); pneumonia (2); pulmonary embolism (1); DVT (2) |
10 wk, 6 mo, 12 mo, 24 mo |
| Komp et al. [9] |
2015 |
RCT |
MI, FI |
Total: 180 (91 M, 69 F); MI: 80; FI: 80 |
Total: average, 62; range, 41 to 84 |
MI: preop, 25; postop at 24 mo, 12; FI: preop, 23; postop at 24 mo, 17 |
MI: preop, 88; postop at 24 mo, 30; FI: preop, 84; postop at 24 mo, 28 |
NA |
MI: transient dysesthesia (7); transient urinary retention (3); dura injuries (3); increased foot dorsiflexion paresis (2); epidural hematoma (1); delayed wound healing (2); soft tissue infections (2); revision surgery with fusion (2); FI: transient dysesthesia (4); transient urinary retention (1); dura injuries (2); increased foot dorsiflexion paresis (1); delayed wound healing (1); revision surgery (1) |
3 mo, 6 mo, 12 mo, 24 mo |
| Mobbs et al.[16] |
2014 |
RCT |
ULBD, traditional laminectomy |
ULBD: 27; laminectomy: 27 |
ULBD: average, 72.7±10.4; laminectomy: average, 65.8±14.3 |
NA |
ULBD: preop, 51.4±19.4; mean improvement at last FU, 28.6±27.7; laminectomy: preop, 46.6±18.9; mean improvement at last FU, 17.8±15.4 |
NA |
ULBD: dural tear (1); laminectomy: foot drop (1); hematoma (1); dural tear (1) |
ULBD: average: 36.9±4.3 mo; laminectomy: average: 44.3±15.0 mo |
| Hajasek-aran et al. [28] |
2013 |
HCT |
LSPD, midline decompression |
LSPD: 28 (16 M,12F); midline decompression: 23 (14M,9F) |
LSPD: average, 57.25±11.23; range: 35 to 76; midline decompression: average, 54.48±8.21; range, 39 to 71 |
LSPD: preop, 5.35; postop at last FU, 2.46; midline decompression: preop, 5.43; postop at last FU, 2.96 |
NA |
LSPD: preop, 6.96; postop at last FU, 10.75; midline decompression: preop, 6.69; postop at last FU, 11.39 |
No major complications |
Average: 14.2±2.9 mo |
| Liu et al. [19] |
2013 |
RCT |
M-ULBD, traditional laminectomy |
M-ULBD: 27 (15 M, 12 F); laminectomy: 29 (18 M, 11 F) |
M-ULBD: average, 59.4±4.7; range, 49 to 71; laminectomy: average, 61.1±3.1; range, 52 to 69 |
M-ULBD: preop, 5.6±1.7; postop, 1.0±0.5; laminectomy: preop, 7.9±1.3; postop at last FU, 2.6±0.7 |
NA |
M-ULBD: preop, 11.6±2.6; postop, 26.7±2.1; laminectomy: preop, 10.9±1.0; postop at last FU, 24.3±2.5 |
M-ULBD: dural tear (3); laminectomy: dural tear (1) |
Average: 2yr |
| Deer et al, [26] |
2012 |
PCS |
Mild percutaneous lumbar decompression |
46 (17 M, 29 F) |
Average, 66.1; range, 46 to 80 |
Preop, 6.9±0.6; postop at 1 yr, 4.0±1.0 |
Preop, 49.4±2.5; postop at 1 yr, 32.0±5.8 |
NA |
No major complications |
12 wk, 6 mo and 1 yr |
| Guilfoyle et al. [20] |
2012 |
RCT |
Traditional laminectomy w/o epidural fentanyl, traditional laminectomy with epidural fentanyl |
Decompression w/o fentanyl: 31 (14 M,17 F); decompression with fentanyl: 29 (16 M,13 F) |
Decompression w/o fentanyl: average, 65.7±11.5; decompression with fentanyl: average, 69.9±9.8 |
Decompression w/o fentanyl: preop, 4.1±3.0; postop in recovery room, 4.7±2.4; decompression with fentanyl: preop, 3.4±2.9; postop in recovery room, 2.6±2.7 |
NA |
NA |
Decompression w/o fentanyl: itching (2); nausea/vomiting (4); decompression with fentanyl: itching (1); nausea/vomiting (3); urinary catheter (3) |
In “recovery”, before postop day 1 |
| Wong et al.[29] |
2012 |
Case series |
Mild interlaminar decompression |
17 (10 M,7 F) |
Average, 73.1; range, 63 to 86 |
Preop, 7.6; postop at 1 yr, 2.3 |
Preop, 48.4; postop at 1yr, 21.7 |
NA |
No major complications |
1 yr |
| Komp et al. [45] |
2011 |
Case series |
Full-endoscopic unilateral decompression |
90 (41 M, 49 F) |
Average, 61; range, 43 to 81 |
Preop, 23; postop at 24 mo, 17 |
Preop, 85; postop at 24 mo, 31 |
NA |
Dysesthesia (5); urinary retention (2); dural injuries (2); increase in foot dorsiflexion paresis (1); repeat surgery (2) |
3 mo, 6 mo, 12 mo, 24 mo |
| Jakola et al.[21] |
2010 |
PCS |
Traditional laminectomy |
101 (51 M, 50 F) |
Average, 75.3±4.1; range, 70 to 86 |
Preop, 55.7; postop at 12 mo, 35.9 |
Preop, 44.2; postop at 12 mo, 27.9 |
NA |
Dural tear (9); superficial wound infection (3); perioperative death (1); UTI (1); deep wound infection (2); myocardial infarction (1); gastric ulcer (3) |
3 mo, 12 mo |
| Chopko et al.[10] |
2010 |
PCS |
Ultra-minimally invasive lumbar decompression |
75 (29 M, 46 F) |
Average, 70.0; range, 37 to 88 |
Preop, 7.3; postop at 6 wk, 3.7 |
Preop, 47.4; postop, 29.5 |
NA |
No major complications |
6 wk |
| Pao et al. [11] |
2009 |
PCS |
Microscopic decompressive laminoto-my |
53 (17 M, 36 F) |
Average, 62.0; range, 36 to 86 |
NA |
Preop, 64.3±20.0; postop at last FU, 16.7±20.0 |
Preop, 9.4±6.1; postop at last FU, 24.2±6.0 |
UTI (2); dural tear (5); wrong level operation (2); transient neuralgia (4) |
Average: 15.7 mo |
| Fu et al. [22] |
2008 |
PCS |
“Windows technique” laminoforaminotomy, traditional laminectomy |
Windows: 76 (37 M, 39 F); laminectomy: 76 (33 M, 43 F) |
Windows: average, 57; range, 47 to 70; laminectomy: average, 57; range, 45 to 73 |
Windows: preop, 1.14±0.96; postop at last FU, 0.05±0.22; laminectomy: preop, 1.17±0.91; postop at last FU, 0.63±1.07 |
Windows: preop, 39.26±6.54; postop at last FU, 0.37±0.96; laminectomy: preop, 39.76±6.94; postop at last FU, 3.37±8.55 |
NA |
Windows: dural tear (3); UTI (2); laminectomy: dural tear (2); UTI (2); degenerative spinal instability (6); repeat surgery with fusion (4) |
Average: 40 mo |
| Ca vuşoğlu et al. [27] |
2007 |
PCS |
Unilateral laminectomy |
50 (21 M, 29 F) |
Average, 69.81±15.15; range, 43 to 82 |
Preop, 6.92±1.04; postop at last FU, 2.16±0.81 |
Preop, 31.14±9.27; postop at last FU, 14.02±9.27 |
NA |
None |
Average: 22.8 mo |
| Cho et al. [17] |
2007 |
RCT |
Marmot operation, traditional laminectomy |
Marmot: 40 (16 M, 24 F); laminectomy: 30 (15 M, 15 F) |
Marmot: average, 61.2±10.8; range: 52 to 77; laminectomy: average, 58.8±14.9; range, 42 to 70 |
Marmot: preop, 6.45±2.60; postop, 2.38±1.89; laminectomy: preop, 7.07±1.49; postop, 4.00±2.00 |
NA |
Marmot: preop, 7.10±2.84; postop, 13.0±1.97; laminectomy: preop, 8.44±2.59; postop, 11.4±3.20 |
No major complications |
Marmot: average: 15.1 mo; laminectomy: average: 14.8 mo |
| Malmivaara et al. [23] |
2007 |
RCT |
Traditional laminectomy |
50 (11 M,39F) |
Average, 63±9 |
Preop, 6.7; postop at 2 yr, 2.9 |
Preop, 33,0; postop at 2yr, 22.8 |
NA |
Dural tear (7); misplaced transpedicular screw (1); peridural hematoma (1); respiratory distress (1); repeat surgery (1) |
6 mo, 1 yr, 2 yr |
| Thome et al. [25] |
2005 |
RCT |
Bilateral laminotomy (group 1); unilateral laminotomy (group 2); laminectomy (group 3) |
G1 : 40 (20 M, 20 F); G2: 40 (15 M, 25 F); G3: 40 (18 M, 22 F) |
G1: average, 70±7; G2: average, 67±6; G3: average, 69±10 |
G1 : preop, 7.5±2.3; postop at final FU, 2.3±2.4; G2: preop, 7.5±2.3; postop at final FU, 3.6±2.7; G3: preop, 7.5±2.3; postop at final FU, 4±1 |
NA |
NA |
G1: incidental durotomy (2); G2: incidental durotomy (5); increased radicular deficit (2); repeat surgery (2); epidural hematoma (2); G3: incidental durotomy (8) repeat surgery (2); epidural hematoma (2); wound infection (1) |
3 mo, 6 mo, 12 mo |
| Ikuta et al, [12] |
2005 |
Case series |
Microendoscopic posterior decompression |
47 (23 M,24 F) |
Average, 66; range, 31 to 88 |
NA |
NA |
Preop, 14.3±4.1; postop at final FU, 24.9±3.2 |
Du ral tear (4); intra-articular fracture (3); neurological deficit (7) |
Average: 22 mo |
| Konno et al. [15] |
2000 |
PCS |
Traditional laminectomy |
42 |
Average, 63 |
Preop, 7.4; postop at 3 yr, 3.5 |
NA |
NA |
No major complications |
1yr,3yr |
| Weiner et al, [24] |
1999 |
PCS |
Traditional laminectomy |
50 (29 M,21 F) |
Average, 72; range, 49 to 88 |
Preop, 8; postop, 2 |
NA |
NA |
Dural tear (4) |
9 mo |