Study | Country | Number of patients (Technique) | Fusion levels | Follow up | Time to return to work Mean (weeks) | Return to work Rate (%) | ||
---|---|---|---|---|---|---|---|---|
MIS | OPEN | MIS | OPEN | |||||
MIS vs. OS studies | ||||||||
Adogwa et al. (2011) [21] | US | 15 (MIS-TLIF)15 (OS-TLIF) | 1-level | 2 years | Median: 8.5 [IQR: 4.4–21.4] | Median: 17.1 [IQR: 1.7–35.9] | At 2 years: ~90% | At 2 years: ~80% |
Kim et al. (2010a) [23] | South Korea | 43 (MIS-ALIF) 32 (OS-ICF) | NR | 41.1 months (MIS) 32.9 months (OS) | ~14.8 (fulltime work) | ~14.4 (fulltime work) | - | - |
Parker et al. (2012) [18] | US | 15 (MIS-TLIF)15 (OS-TLIF) | 1-level | 2 years | 8.3 | 16.3 | - | - |
Parker et al. (2013) [22] | US | 50 (MIS-TLIF) 50 (OS-TLIF) | 1-level | 2 years | Median: 7 [4–11] | Median: 11 [9–16] | At 6 months: ~95% | At 9 months: ~80% |
MIS studies | ||||||||
Eckman et al. (2012)a [32] | NR | 606 (MIS-TLIF) | 1 | NR | - | - | 96% | - |
Eckman et al. (2014) [31] | US | 1005 (MIS-TLIF) | 1- or 2-level | 3 months | - | - | 96% of procedures (same-day discharge group)93% of procedures (hospital stay group) | - |
Kim et al. (2009) [24] | South Korea | 48 (MIS-ALIF) 46 (MIS-TLIF) | NR | 32.6 months (ALIF) 29.7 months (TLIF) | 6.1 months (ALIF)10.9 months (TLIF) | - | - | - |
Rouben et al. (2011) [25] | US | 169 (MIS-TLIF) | 1-level (124)2-level (45) | 49 months | 11 weeks (for 97% RTW right after surgery)17 weeks (for 57% compensation workers) | - | 97% RTW right after surgery 57% compensation workers RTW | - |
Kim et al. (2010b) [35] | South Korea | 63 (MIS-ALIF) | NR | 6 years | - | - | 83% | - |
Kim et al. (2012) [34] | South Korea | 44 (MIS-ALIF) | 1-level | 71.8 months (DS) 66.4 months (IS) | - | - | 91% | - |
Zeilstra et al. (2013) [33] | US | 131 (MIS-AxiaLIF) | 1-level | 21.8 months | - | - | 64%44% (for fulltime workers) | - |
OS studies | ||||||||
Berg et al. (2009) [36] | Sweden | 72 (OS-PLF/PLIF) | 1-level (33) | 2 years | - | - | - | 72.0% |
Corenman et al. (2013) [37] | NR | 36 (OS-TLIF) | 1-level (24)2-level (12) | 41.9 months | - | - | - | 84.4% |
Fritzell et al. (2004) [29] | Sweden | 72 (OS-PLF) 71 (OS-VSP)74 (OS-"360”) | NR | 2 years | - | - | - | 33% |
Gornet et al. (2011) [28] | US | 172 (OS-ALIF) | 1-level | 2 years | - | 96 days | - | - |
Robertson et al. (2004) [26] | New Zealand | 35 (OS-PLF) | 1-level (12)2-level (16) | 31 months | - | 3–50 months | - | 100% |
Takahashi et al. (2011) [27] | Japan | 21 (OS-TLIF) | 1-level (18)2-level (3) | 26.1 months | - | - | - | 90% after 3.9 months |