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[Preliminary experiences in minimally invasive transforaminal lumbar interbody fusion]

OBJECTIVE: To explore clinical application of minimally invasive transforaminal lumbar interbody fusion (TLIF) for the management of lumbar disorders and discuss its indications, surgical techniques and clinical effectiveness. METHODS: From Jan 2005 to Dec 2006, 31 selected patients (22 males and 9 females, aged from 41 to 63 years) with degenerative lumbar diseases were treated with minimally invasive TLIF assisted by METRx X-Tube micro-endoscopy system. The index diagnosis was lumbar disc herniation with Lumbar spinal stenosis in 7, lumbar disc herniation with segmental instability in 16, grade 1 to 2 of lumbar spondylolisthesis in 8. The surgical methods was performed with bilateral or unilateral pedicle screws insertion and a single rectangle cage posterolateral placement. The operating time, blood loss, blood transfusion, drainage, visual analogue scale (VAS), preoperative and postoperative JOA scores were observed as well as radiographic evaluation. The results were compared with standard TLIF group respectively. RESULTS: A total of 116 pedicle screws and 31 cages were implanted of which 4 patients were treated with unilateral pedicle screws fixation. Four pedicle screws were found misplaced in CT scans after surgery. The average operating time was 199 min, blood loss 359 ml, volume of transfusion 32 ml drainage 81 ml, and VAS was 2.37 about 72 hours after surgery, which had statistic difference compared with control group. There was no statistic difference on postoperative improvement rate and JOA scores in two groups. CONCLUSIONS: Minimally invasive TLIF minimizes paraspinal muscle trauma and blood loss, shortens the operating and recovery time. A good long-term outcome can be gained compared with standard procedures

Keywords : Adult,Aged,blood,Blood Transfusion,China,diagnosis,Drainage,Female,Follow-Up Studies,Humans,Intervertebral Disc Displacement,Lumbar Vertebrae,Male,methods,Middle Aged,Minimally Invasive Surgical Procedures,Spinal Fusion,Spinal Stenosis,Spondylolisthesis,Spondylolysis,surgery,Treatment Outcome,, Experiences,Minimally,Invasive,Transforaminal, private back specialist

Date of Publication : 2009 Jan 15

Authors : Zhang SD;Wang C;Chen H;Wu XT;Mao ZB;Yang HL;Tang TS;

Organisation : Department of Orthopedics, Zhongda Hospital Affiliated to Southeast University, Nanjing 210009, China. [email protected]

Journal of Publication : Zhonghua Wai Ke Za Zhi

Pubmed Link : https://www.ncbi.nlm.nih.gov/pubmed/19563005

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