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find Author "LANJiaping" 2 results
  • SURGICAL TREATMENT OF DEGENERATIVE LUMBAR SCOLIOSIS WITH MULTI-SEGMENT LUMBAR SPINAL STENOSIS

    ObjectiveTo explore the surgical indications,decompression and fusion method,and fusion level selection of degenerative lumbar scoliosis (DLS) and multi-segment lumbar spinal stenosis. MethodsBetween April 2000 and November 2011,46 cases of DLS and multi-segment lumbar spinal stenosis were treated with multi-level decompression by fenestration and crept enlargement plus internal fixation by interbody and posterior-lateral bone graft fusion (5 segments or above).Of 46 cases,25 were male and 21 were female,with a mean age of 70.2 years (range,65-81 years) and with a mean disease duration of 6.4 years (range,4 years and 6 months to 13 years).X-ray films showed that the lumbar Cobb angle was (26.7±10.0)°,and the lumbar lordotic angle was (20.3±8.8)°.The lumbar CT and MRI images showed three-segment stenosis in 24 cases,four-segment stenosis in 17 cases,and five-segment stenosis in 5 cases.A total of 165 stenosed segments included 12 L1,2,34 L2,3,43 L3,4,45 L4,5,and 31 L5 and S1.Visual analogue scale (VAS) score,Oswestry disability index (ODI),and Japanese Orthopedic Association (JOA) score (29 points) were employed to evaluate effectiveness. ResultsThirteen patients had leakage of cerebrospinal fluid during operation,and no infection was found after corresponding treatment; pulmonary infection and urinary system infection occurred in 4 and 2 patients respectively,who relieved after received antibiotic therapy; 8 patients with poor wound healing received dressing change,adequate drainage,debridement and suture.No death,paralysis,central nervous system infection,or other complication was observed in these patients.Forty-six cases were followed up 12-72 months (mean,36.2 months).Lumbago and backache and intermittent claudication of lower extremity were obviously improved.During follow-up,no screw incising,loosening and broken screws,or pseudarthrosis was noted under X-ray film and CT scanning.At last follow-up,the lumbar Cobb angle was reduced to (9.8±3.6)°,while the lumbar lordotic angle was increased to (34.1±9.4)°,which were significantly improved when compared with preoperative ones (t=16.935,P=0.000;t=15.233,P=0.000).At last follow-up,VAS,ODI,and JOA scores were 3.2±1.2,35.5%±14.0%,and 26.6±5.7 respectively,showing significant differences when compared with preoperative scores (8.0±2.2,60.8%±13.3%,and 12.9±3.4) (t=19.857,P=0.000;t=16.642,P=0.000;t=15.922,P=0.000). ConclusionMulti-segment decompression by fenestration and crept enlargement plus internal fixation by interbody and posterior-lateral bone graft fusion is helpful to relieve nerve compression symptoms,rebuild spinal balance,and improve the life quality of the patients.It is a very effective way to treat DLS and multi-segment lumbar spinal stenosis.

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  • ANTERIOR APPROACH DEBRIDEMENT AND BONE GRAFTING WITH SELF-LOCKED TITANIUM PLATE INTERNAL FIXATION FOR TREATING LUMBOSACRAL TUBERCULOSIS

    ObjectiveTo explore the effectiveness of stage I anterior approach debridement and autologous iliac crest graft with single self-locked titanium plate internal fixation for the treatment of lumbosacral tuberculosis. MethodsSeven cases of lumbosacral tuberculosis were treated by stage I anterior approach debridement, autologous iliac crest graft, and single self-locked titanium plate internal fixation between February 2010 and October 2014. There were 5 males and 2 females, aged 18-65 years (mean, 41.6 years). The disease duration was 5-21 months (mean, 8 months). The patients had signs and symptoms of pain in lumbosacral region, radiating pain in unilateral lower limb or bilateral lower limbs, decreased muscular strength and disorders of superficial sensation. According to Frankel classification for spinal injury, 1 case was rated as grade C, 3 cases as grade D, and 3 cases as grade E. Preoperative imaging examination suggested L5, S1 lesions in line with the manifestations of tuberculosis; the lumbosacral angle was 16.4-28.5° (mean, 18.6°). The erythrocyte sedimentation rate was 28-105 mm/1 hour (mean, 61 mm/1 hour). All patients received 4-drug antituberculosis therapy. ResultsAll patients underwent the operation successfully and all incisions healed at stage I, without relevant complication. All patients were followed up 14-70 months (mean, 25.6 months). All symptoms of tuberculosis disappeared and the erythrocyte sedimentation rate returned to normal. At last follow-up, Frankel classification was returned to E from D in 3 cases, returned to D from C in 1 case. Two cases suffered from pains in the lumbosacral region and at the donor site, 1 case suffered from upper abdominal discomfort and poor appetite,but these symptoms disappeared after symptomatic treatment. At last follow-up, X-ray examination indicated that the lumbosacral angle was 23.4-34.2° (mean, 28.6°). According to Bridwell criteria, 5 cases gained grade I bone fusion, and 2 cases gained grade II bone fusion, without migration of bone graft, or loosening or breakage of titanium plate or bolt. ConclusionStage I anterior approach debridement and autologous iliac crest graft with single self-locked titanium plate internal fixation is safe and effective in treating lumbosacral tuberculosis. It can achieve good bone fusion and stable lumbosacral stability, and maintain good deformity correction.

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