Abstract
ABSTRACT Objective: Determine if patients undergoing PLIF or TLIF surgery achieved improvement in the score of ODI and SF-36 questionnaires one year after surgery. Methods: Retrospective, single-center and non-randomized study. Patients submitted to spinal surgery using the PLIF or TLIF technique were included who completed the ODI and SF-36 questionnaires at least at the preoperative visit, and one year after surgery. Patients were divided into two groups, Group 1 (1 surgery level) and Group 2 (> 1 surgery level) and the ODI and SF-36 scores were compared for improvement. Results: The mean age was 47 years, with 52% of males (13/25) and mean of 5 days of hospital stay. Patients presented a significant improvement of ODI questionnaire (p<0.001) and in all SF-36 domains except in General Health State (p=0.58). In each group, it was observed that patients submitted to more than one level of surgery had greater blood loss and shorter hospital stay; however, the improvement obtained in ODI and SF-36 compared to the one-level surgery group was similar. Conclusions: PLIF and TLIF techniques are effective and lead to improved scores in ODI and SF-36 questionnaires one year after surgery. Patients undergoing two or more levels of instrumentation showed significant and similar improvement in ODI and SF-36. Level of evidence II, Single-Center Retrospective Study.
Highlights
With the increase in the life expectancy of the population, the incidence of degenerative lumbar diseases increases
It was observed that patients submitted to more than one level of surgery had greater blood loss and shorter hospital stay; the improvement obtained in ODI and SF-36 compared to the one-level surgery group was similar
Patients who had been submitted to the transforaminal lumbar interbody fusion (TLIF) or posterior transforaminal interbody fusion (PLIF) technique and who had filled out the ODI and SF-36 questionnaires at their preoperative and 1-year postoperative visits were included in the study
Summary
With the increase in the life expectancy of the population, the incidence of degenerative lumbar diseases increases. Because they cause decreased mobility, mechanical pain, and a reduction in the quality of life, they are one of the main causes of disability in the population.[1,2,3]. In cases of surgical necessity and depending on the diagnosis, specialists may opt for simple direct decompression or direct or indirect decompression with arthrodesis or arthroplasty.[1,3,4] Recent studies have shown that the placement of interbody cages can increase the fusion rate and reduce the number of operations, since they increase biodynamic stability in the segment, in addition to allowing a greater correction of sagittal alignment.[5,6,7].
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