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Comparison of Quality–of-Life after the Three Different Techniques of

Transpedicular Screw Fixation (TPSF) in Lumbar Spondylolisthesis (LS):

Results of a Therapeutic Cohort Study

Ueaungkun Sittimongkon MD., Teera Tangviriyapaiboon MD., Prasert Lampreechakul MD.,

Kullapat Veerasan MD., Porn Narischat MD., Sawing Punjaisee MD., Wuttipong Tirakotai MD.

Department of Neurosurgery, Prasat Neurological Institute, Bangkok, Thailand

Background: Better quality of life outcomes after the procedure of convention,

navigation-assisted or mini-open transpedicular screw fixation (TPSF) in lumbar

spendylolisthesis (LS) remain a debatable issue.

Objective: To compare preoperative and postoperative quality-of-life

outcomes of patients diagnosed with LS nonresponsive to conservative

treatment who underwent surgery with these different techniques.

Methods: We performed a prospective cohort study of 60 patients receiving

conventional TPSF or navigation-assisted TPSF or mini-open TPSF in LS at

Prasat Neurological Institute between 2010 and 2012. During the 12-month

follow-up period, patients were interviewed regarding social life, mental health,

functional capacity or an independent living status. The quality-of-life (QOL)

measurement was determined using Oswetry Disability Index (ODI) and the

Short Form -36 Health Survey (SF36).

Results: According to ODI, navigation-assisted group had significant level of

faster recovery than mini-open group at 1 week (P=0.034) and 1 month

th
19 Annual Academic Meeting of Prasat Neurological Institute, 2015