ChB, M., Saad Mubarak Rasheed, D., CABS, , Al-Mubarek, H., Mushtaq Talib, D., Ali Aziz Ali, D., FIBMS, , Ortho, (2015). Results and predictive factors for single level L4-5, and L5-S1 disc herniation surgery. , 11(2), 55-63.
MB ChB; Dr. Saad Mubarak Rasheed; CABS; Hussein Al-Mubarek; Dr. Mushtaq Talib; Dr. Ali Aziz Ali; FIBMS; Ortho. "Results and predictive factors for single level L4-5, and L5-S1 disc herniation surgery". , 11, 2, 2015, 55-63.
ChB, M., Saad Mubarak Rasheed, D., CABS, , Al-Mubarek, H., Mushtaq Talib, D., Ali Aziz Ali, D., FIBMS, , Ortho, (2015). 'Results and predictive factors for single level L4-5, and L5-S1 disc herniation surgery', , 11(2), pp. 55-63.
ChB, M., Saad Mubarak Rasheed, D., CABS, , Al-Mubarek, H., Mushtaq Talib, D., Ali Aziz Ali, D., FIBMS, , Ortho, Results and predictive factors for single level L4-5, and L5-S1 disc herniation surgery. , 2015; 11(2): 55-63.

Results and predictive factors for single level L4-5, and L5-S1 disc herniation surgery

Al-Kindy College Medical Journal
Article 1, Volume 11, Issue 2, 2015, Pages 55-63
Authors
MB ChB; Dr. Saad Mubarak Rasheed; ; Hussein Al-Mubarek; Dr. Mushtaq Talib; Dr. Ali Aziz Ali; ;
Abstract
Background: The disc prolapse is a common condition especially in young adults. Different levels are affected in the lumber region; the L4/L5 disc is more susceptible to longitudinal load and is the most common site of lumbar disc prolapse. The L5/S1 disc is protected from torsion load by strong ilio-lumbar ligaments but it is more susceptible to axial compressive forces. Many factors affect the result and outcome of surgery in these levels.
Objective: The aim of this study is to correlate operative data, short-term results, complications, and prognostic factors (age, gender, mobility, hospital stay, and level of pain) for one-level lumber discectomybetween different levels (L4–L5 vs. L5–S1).
Methods In this prospective study, 32 patientsin Al-Yarmouk teaching hospital undergoing survey form March 2008-December 2012.Six patients were excluded from this study because they were diabetics and multilevel disc degeneration .Fifteen (57.6%) patients undergoL5-S1 discectomy and 11 (42.4%) patients undergoL4-5 discectomy. Questionnaires for leg and back pain intensity (Visual Analogue Scale ;VAS), duration of leg pain, and disability (Oswestry Disability Index; ODI), were obtained preoperatively, 3 months, 6 months, 1-year- and 2 year follow-up.Analyses were utilized to evaluate the relationship between surgical outcomes and variable (gender, age, lumber segment, pre-operative ODI, and pre-operative VAS).
Results: Mean operative time was[73.44 ± 26.25] min, mean hospital stay was [3-7] days, and mean mobilitywas [2.55 ± 0.93] days. At 2-year follow up, patients revealed a statistical significant improvement in
VAS pain (P < 0.05), and ODI lumbar function (P < 0.05).The complications rate were 20.3 %.
Our study elaborates good results for one-segmental L5-S1overL4-L5 discectomy. Discectomy of the L4–L5 disc wasassociated with an increased risk of complication (P < 0.05). The comparison revealed that operative time was influenced by age (P = 0.034); hospital stay was influenced by level (P = 0.036) and pre-op VAS (P = 0.006); while complications were influenced by level (P = 0.001) and pre-op ODI (P = 0.049
Conclusion: The study revealed significant results for L5-S1 discectomy over L4-L5 discectomy in the late follow up period; the complications rate were higher in L4-L5 level discectomy.
Keywords
Predictive factors; Disc herniation; one level discectomy; Outcome results
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