Table 2.
Studies demonstrating role of Percutaneous Pedicle Screw fixation.
| Study | Year | Number of patients | Mean Age | Sex Ratio | Spinal Location | Fracture classification | Average duration of Surgery in Mins | Average Blood loss | Cobb's angle |
Neurology |
Complication | Outcome | Implant removal done | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre-op | Post-op | Follow up | Pre-op | Post-op | |||||||||||||
| 1 | Cimatti M et al.30 | 2013 | 32 | 48 (17–78) | 16:16 | TLF T11–2,T12–6,L1-16,L2-4,L3-4 |
Margrel A1-1,A2-8,A3-21,B1-1,B2-3 | 60 | NR | 6.2 | 2.7 | 2.9 | NR | NR | NR | Pain improvement: Significant Kyphosis correction: Significant |
No |
| 2 | Takami et al.51 | 2013 | 21 | 45.4 (23–73) | 17:4 | TLF T11-1 T12-2 L1-7 L2-4 L3-5 L4-2 |
Margrel A3 fracture HA block vertebroplasty along with Pedicle screws |
95.7 | 38.6 | 8.5 | −4.2 | −0.6 | E | E | 100% fusion, 1 loosening of screw | Pain improvement score: 7.5, Neuro Improved: N/A Kyphosis correction:3.1 |
Implant removed in all patients within 5 months |
| 3 | Yang WE et al.31 | 2012 | 21 | 39.6 (21–68) | 14:7 | TLF | NR | 179 | 175 | 17.1 | 11 | 13.8 | A-2 B-2 C-3 D-4 E−10 |
1 0 1 6 13 |
4 superficial wound dehiscence 3 pedicle screw pull outs |
Pain improvement: N/A Kyphosis correction: 6.1° |
Yes |
| 4 | Fang LM et al.32 | 2012 | 35 | 34.1 (18–52) | 20:15 | TLF T11-5, T12-9, L1-14, L2-7 |
TLICS Score 5–13 7–22 |
95.8 | 83 | 10.31 | −1.48 | 1.03 | E | E | 2 superficial wound infection Screw misplacement 9/140 (6.4%) |
Pain improvement score: significant Kyphosis Correction: No loss |
NR |
| 5 | Bironneau A et al.33 | 2011 | 24 | 58 (20–88) | 12:12 | TLF T12-2 L1-12 L2-5 L3-2 L4-2 L5-1 |
Margrel A1-1,A2-2,A3-19,B2-3 Kyphoplasty with cement and pedicle screws |
99 | 15.2 | 5 | 6.6 | E | E | 8 cases cement leaked, 3 hematoma at the scar | Pain Improved Score: 6.3 Neuro Improved: N/A Kyphosis correction: 8.6° |
NR | |
| 6 | Blondel B et al.34 | 2011 | 29 | 51 (22–78) | TLF Burst fracture T-9 T11-3 T12-6 L1-13 L2-4 L5-2 |
Magerl A3 | NR | NR | 13 | 3.2 | 5.2 | E | E | Hematoma: 1 | Pain Improved Score: 5.6 Neuro Improved: N/A Kyphosis correction: 11° |
Can be removed percutaneously | |
| 7 | N.W et al.35 | 2010 | 36 | 43 (19–58) | 25:11 | TLF T11-4 T12-8 L1-17 L2-7 |
AO type A3 with load sharing classification of 6 or less | 78 | 75 | 18.7 | 3.6 | 7.6 | E | E | 7 screws (6.7%) misplaced, No neurological deficit.1 superficial infection, 1 screw loosening | Pain Improved Score: N/A Neuro Improved: N/A Kyphosis correction: 9.1° |
Removed in 26 patients and rest 10 refused |
| 8 | Palmisani M et al.36 | 2009 | 51 | 45 (21–82) | 34:17 | TLF (T1-T10)-6 (T11-L1)-31 Lumbar spine-14, Max L1-20 |
AO A1-20 A2-10 A3-27 B1-1 B2-3 C1-1 C2-2 |
NR | NR | 4.2 | −2.2 | 2.7 | E | E | Infection: 1 Misplaced Screw: 1 Pseudoarthrosis: 2 |
Pain Improved Score: N/A Neuro Improved: N/A Kyphosis correction: 6.2° |
Removed in 10 patients (19%) |
| 9 | Merom L et al.37 | 2009 | 10 | 42 (21–63) | TLF | – | 50 | 78–102 | – | – | – | E | E | None | Pain Improved Score: N/A Neuro Improved: N/A Kyphosis correction: N/A0 |
NR | |
| 10 | Maclejczak A et al.39 | 2007 | 4 | 45 (28–59) | 3:1 | TLF L2-2 L3-3 |
Dennis B | 5.9 h s for decompression + Fusion | NR | −1.25 | −7.7 | −2.7 | E | E | Pseudoarthrosis: 1 | Pain Improved Score: N/A Neuro Improved: N/A Kyphosis correction: 11.6° |
NR |
| 11 | Schmidt et al.51 | 2007 | 76 | 53.3 | NR | TLF Unstable type B fractures, Type A1 and A2 fractures with >25% anterior height loss or additional disc injury (in need for combined anterior surgery), Type A1 fractures in obese and geriatric patients as well as burst fractures, Type A3 in patients younger than 40 years of age |
Magrel Type A1.2 most common fracture A1-36 A2-6 A3-22 B-12 Si |
47 | Blood transfusion required in 3 (3.9%) Patients | NR | NR | NR | 6 (7.9%) patients Neurological deficit | No neurological deficit and one patient recovered completely | Three patients (3.9%) One paravertebral hematoma, one persistent skin irritation and one implant failure |
Pain improvement: NR Neuro Improvement:1 patient Kyphosis correction:NR |
NR |
TLF- Thoracolumbar Fracture, NR- Not reported.