Studies 2005-current.
| Author | Inclusion | Exclusion | Number, gender distribution, age, levels and type | Misc | Followup and did not respond in % | Results | Year & reference |
|---|---|---|---|---|---|---|---|
| Tzaan | Pain in leg and back | 1,2,3,5,8 | N = 134 m 56 f 78 22-71 years All ldh multiple level n =20 l2s1 | intra + peld | 38 months [3-36] 0% nonresponders | Gpe .m.28 excellent 61 good 3.7 poor rec 0.7 Complications 6 Reoperation Rate 4.5 | 200760 |
| Shim | Radiculopathy | ? | N = 71 m 39 f 32 45years[21-74] n = 14 L5-S1 Interlaminar single level T12-S1 | Intra only | 6 months [3-9] 0 non resp | Gpe.m 33 exce 45 good 6.5 poor Complications 2.8 Reoperation Rate 7% | 200761 |
| Jang | Radiculopathy | 4,5,8,9 | N = 35 m 20 f 15 61 years [22-84] foraminal extraforaminal single level L2-S1 | Intra + TPED system nk | 18 months [10-35] 0 nonresp | Pain vas 8.6 to 3.2 diff 63% Gpd 86 exe and g 8.6 poor rec 0% Complications 17 Reoperation Rate 8.6 | 200662 |
| Iprenburg | Nk | 8 | N = 149 m 62 f 87 43 years[17-82] all ldh single level L3-S1 | Intra + Thessys system | FU NK 29% nonresp | vas nk od nk rec 6 Complications or Reoperation Rate nk | 200763 |
| Choi | Radiculopathy tension signs neuro deficit | 2,4,5,8 | N = 41 m 23 f 18 59years[32-74] extraforaminal single level L4-S1 +ETF | yess | 34 months [20-58] 4.9 non resp | pain vas 8.6 to 1.9 diff 78% return to work 4-24 weeks mean 6 ODI 66.3 to 11.5 diff 83% ps 92 rec 5.1 Complications 5.1 Reoperation Rate 7.7 | 200764 |
| Kafadar | Radiculopathy, tension signs, deficit | 2,4,5,8 | N = 42 m 2 f 40 18-74 years all ldh single level L45 8 excluded as procedure stopped but inclu here | KARL STORZ PETD | 15 months [6-24] 0 non resp | GPE ss 14 exc 36 good 36 poor rec 0 Complications 45 Reoperation Rate 17 | 200665 |
| Hoogland | Recurrence only; radiculopathy, tension signs, deficit Patients only with recurrences after micro or endo disc surgery | Nk | N = 262 m 76 f 186 46 years [18-80] all ldh single level L2S1 | Intra + Thessys system | 24 months 9% non resp | Pain leg 8.5 to 2.6 diff 69% pain back 8.6 to 2.9 diff 66% GPE exc 51 good 35 poor 5 rec 6.3 Complications 1.1 Reoperation Rate 7 | 200866 |
| Sasani | Radiculopathy, tension signs, neurodeficit | 4 | N = 66 m 36 f 30 52 years [35-73] foraminal exf single level L2-L5 | KARL STORZ PED | 12 months 0 non resp | pain vas 8.2 to 1.2 diff 85% ODI 78 to 8 diff 90% Complications 6.1 Reoperation Rate 7.6 | 200767 |
| Lee | Radiculopathy, deficit, sequester | 4,5,8 | N = 116 m43 f 73 36 years [18-65] single level L2 S1 | Intra + Yess PELD | 14.5 months [9-20] o non resp | Pain leg 7.5 to 2.6 diff 65% GPE m 45 exc 47 good 6 poor return 2 work av 14 days [1-48 days] rec 0 Complications 0 Reoperation Rate 0 | 200768 |