الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Spondylolisthesis is the relative anterior slipping of a vertebra over those below it. It commonly affects the lumbosacral junction. Degenerative and isthmic types make up the majority of cases. Although twice as many males have pars defects, high grade slips are four times more likely in females. It is rarely seen before age of five.
Spondylolisthesis is the most common cause of back pain in children and adolescents. Back pain and sciatica are the main presenting symptoms of spondylolisthesis. Conservative treatment remains the initial focus of treatment of spondylolisthesis. Indications for surgery include persistent or intolerable leg or back pain, progressive deformity, neurologic symptoms such as foot DROP and bowel or bladder dysfunction.
The literature supports that surgical treatment of spondylolisthesis is best done with a fusion procedure and additional stabilization. The main methods of fusion used are postero-lateral fusion, anterior lumbar interbody fusion, posterior lumbar interbody fusion and transforaminal lumbar interbody fusion.
This study aimed to assess the clinical and radiological results of treatment of
20 adult patients suffering from symptomatic lumbar and /or lumbosacral spondylolisthesis grade II lytic type, by reduction of slipped vertebra and interbody fusion using bone graft or Peek cages. The indications for surgery were failure of response to conservative treatment, or the presence or development of neurological deficits.
Clinically, twelve patients (60%) had excellent clinical assessment results, five patients (25%) had good results, two patients (10%) had a fair result and one of our patients (5%) had a poor clinical result. With regards to sciatica 17 patients (85%) improved while 3 patients (15%) did not improve. eighteen patients (90%) had no neurological deficits denoting a 50% improvement, with improvement in sensory function in two patients, while one patient (5%) showed partial improvement in motor deficit and the remaining one patient (5%) showed mild improvement in sensory deficit. Four out of the six patients (66.67%) with neurogenic claudication have improved, while two patients (33.33%) showed no improvement.
With regards to complications in this study, 16 patients (80%) had no complications, 2 patients (10%) had superficial wound infection and 2 patients (10%) had intraoperative dural tears which were repaired intraoperatively with no CSF leak postoperatively. There were no cases of deep infection, implant failure or screw breakage.