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An updated meta-analysis of clinical outcomes comparing minimally invasive with open transforaminal lumbar interbody fusion in patients with degenerative lumbar diseases

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Abstract Background & Aims: Open-transforaminal lumbar interbody fusion (O-TLIF) is regarded as the standard (S) approach which is currently available for patients with degenerative lumbar diseases patients. In addition, minimally… Click to show full abstract

Abstract Background & Aims: Open-transforaminal lumbar interbody fusion (O-TLIF) is regarded as the standard (S) approach which is currently available for patients with degenerative lumbar diseases patients. In addition, minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) has proposed and gradually obtained popularity compared with O-TLIF procedures due to its beneficial outcomes in minimized tissue injury and quicker recovery. Nonetheless, debates exist concerning the use of MI-TLIF with its conflicting outcomes of clinical effect and safety in several publications. The purpose of the current study is to conduct an updated meta-analysis to provide eligible and systematical assessment available for the evaluation of the efficacy and safety of MI-TLIF in comparison with O-TLIF. Methods: Publications on the comparison of O-TLIF and MI-TLIF in treating degenerative lumbar diseases in last 5 years were collected. After rigorous reviewing on the eligibility of publications, the available data was further extracted from qualified trials. All trials were conducted with the analysis of the summary hazard ratios (HRs) of the interest endpoints, including intraoperative and postoperative outcomes. Results: Admittedly, it is hard to run a clinical RCT to compare the prognosis of patients undergoing O-TLIF and MI-TLIF. A total of 10 trials including non-randomized trials in the current study were collected according to our inclusion criteria. The pooled results of surgery duration indicated that MI-TLIF was highly associated with shorter length of hospital stay, less blood loss, and less complications. However, there were no remarkable differences in the operate time, VAS-BP, VAS-LP, and ODI between the 2 study groups. Conclusion: The quantitative analysis and combined results of our study suggest that MI-TLIF may be a valid and alternative method with safe profile in comparison of O-TLIF, with reduced blood loss, decreased length of stay, and complication rates. While, no remarkable differences were found or observed in the operate time, VAS-BP, VAS-LP, and ODI. Considering the limited available data and sample size, more RCTs with high quality are demanded to confirm the role of MI-TLIF as a standard approach in treating degenerative lumbar diseases.

Keywords: transforaminal lumbar; degenerative lumbar; lumbar; tlif; lumbar diseases; analysis

Journal Title: Medicine
Year Published: 2019

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