Table 1 Characteristics of included studies
From: Minimal access versus open spinal surgery in treating painful spine metastasis: a systematic review
Study | Year | Type of study | Quality | Number of Patients | Mean age | Procedure | Primary | Outcome | Follow-up |
|---|---|---|---|---|---|---|---|---|---|
Minimal | |||||||||
Pizzoli et al. [20] | 2009 | Retrospective | Very low | 39 | NA | PVP with PMMA | Mixed | VAS, mobility, analgesic use | NA |
Chen et al. [21] | 2009 | Retrospective | Very low | 31 | 67 | PVP with PMMA | Mixed | VAS, Karnofsky scale | 12 months |
Qian et al. [22] | 2011 | Retrospective | Very low | 48 | 68.5 | Kyphoplasty | Mixed | VAS, ODI, SF-36, vertebral body height variation | 24 months |
Farrokhi et al. [15] | 2012 | Prospective | Very low | 25 | 53.5 | PVP with PMMA | Mixed | VAS | NA |
Tseng et al. [23] | 2008 | Retrospective | Very low | 57 | 65.18 | PVP with PMMA | Mixed | VAS, amounts of nonnarcotic and narcotic analgesic | 6 months |
Yang et al. [16] | 2009 | Prospective | Very low | 40 | 57.63 | PVP with PMMA | Mixed | VAS, KPS | 1 year |
Pflugmacher et al. [17] | 2008 | Prospective | Very low | 65 | 66 | Balloon kyphoplasty | Mixed | VAS, ODI | 24 months |
Anselmetti et al. [18] | 2013 | Prospective | Very low | 40 | 66.8 | PVP with PEEK | Mixed | VAS, ODI | 10 months |
Open | |||||||||
Holman et al. [24] | 2005 | Retrospective | Very low | 139 | 55 | Posterior/anterior/combined tumor resection, decompression, instrumentation, fusion | Mixed | VAS, Frankel grades | 12 months |
Chong et al. [25] | 2012 | Retrospective | Very low | 105 | 58.3 | Single-stage posterior decompression and stabilization | Mixed | VAS, Frankel grade, KPS | 48 months |
Eid et al. [26] | 2011 | Retrospective | Very low | 45 | 53 | Circumferential decompression and fusion by means of PTA | Mixed | VAS, ASIA grades | 13 months |
Liang et al. [27] | 2013 | Retrospective | Very low | 92 | NA | Posterior/anterior/combined tumor resection, decompression, instrumentation, fusion | Mixed | VAS, Frankel grades, Karnofsky score, Tokuhashi scores | 22 months |
Wonik Cho et al. [28] | 2012 | Retrospective | Very low | 46 | 56.4 | ACF, ACF and PF, DLF, DL | Mixed | VAS, JOAS, Tomita score | 39 months |
Walter et al. [29] | 2012 | Retrospective | Very low | 57 | 58.6 | Posterolateral approach for decompression combined with posterior instrumentation | Mixed | VAS, Frankel grades, ECOG grades, TPS | 46 months |
Dae-Chul Cho et al. [30] | 2009 | Retrospective | Very low | 21 | 56.6 | Posterolateral transpedicular approach with posterior instrumentation | Mixed | VAS, Frankel grades, and ECOG grades | 13 months |
Shehadi et al. [31] | 2007 | Retrospective | Very low | 87 | 53 | Posterior/anterior/combined tumor resection, decompression, instrumentation, fusion | Breast cancer | VAS, Frankel grades | 13 months |
Street et al. [19] | 2007 | Prospective | Very low | 42 | 56.04 | Single-stage posterolateral vertebrectomy | Mixed | VAS, ECOG grading | NA |