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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXVI | Pages 36 - 36
1 Jun 2012
Lakkol S Taranu R Lingutla K Hadgaonkar S Krishna M Bhatia C
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Introduction

We present our experience of 22 patients with low grade degenerative lumbar spondylolysthesis with stenosis (21 Grade I and 1 Grade II) who were treated using new stabilization systems {Scient'x IsoBar TTL Dynamic Rod Stabilization and the Inlign™ Multi-Axial pedicle Screws (Disc Motion Technologies - DMT)}.

Methodology and Results

The pain intensity was evaluated using the Visual Analogue Score for back pain (VAS-BP) and leg pain (VAS-LP) and functional outcomes using Oswestry Disability Score (ODS). Overall improvement in general patient's health was assessed using the Bodily Pain (SF36-BP) component of the SF -36 questionnaires. Data was analysed with the SPSS 16.0 for Windows (SPSS Inc, Chicago, IL). Statistical significance was designated at p < 0.05 and appropriate parametric (Paired sample t-test) and non parametric tests (Wilcoxon signed-rank test) were used.

There were 3 male and 19 female patients and average age at operation was 68.95 years (57-79 years). The average duration of follow up was 16.18 months (8-37 months). Most common level of surgery was L4/5 (n=18). Decompression and instrumentation involved 1 level (7 cases), 2 levels (9 cases), 3 levels (1 case) and 4 levels (5 cases). There was statistically significant improvement in all clinical outcomes. The ODS improved from 49.45 ±14.35 pre-operatively to 22.91 ± 6.38 post operatively (p< 0.001). There was statistically significant improvement noted in VAS-BP (p< 0.001), VAS-LP (p<0.001) and SF36-BP (p=0.002).


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_X | Pages 152 - 152
1 Apr 2012
Lakkol S Mereddy P Hadgaonkar S Bhatia C Krishna M
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The aim of this study is to review the functional outcome of the patients treated with Posterior Lumbar Interbody Fusion for FBSS.

This is a retrospective review of prospectively collected data of 39 patients diagnosed with FBSS and treated with PLIF between June 2000 and December 2008 by the senior author in our unit. Pain and function were evaluated by VAS for Back (VAS-BP) & leg pain (VAS-LP), Oswestry disability index (NDI) and SF-36 questionnaires, and were completed pre- & post-operatively.

There were 39 patients (20 women & 19 men) and mean age at operation was 47.3 years (range of 32 to 76.1 years). Mean duration of follow-up was 39.14 months (range 5.21 -73.5 months). Thirty-one patients were diagnosed as Post laminectomy syndrome and 8 patients as post-discectomy syndrome.

The mean pre and post-operative ODI values were 54.13 and 29.14 respectively. The mean pre-operative VAS back and leg pain scores were 7.38 and 6.51 respectively. The mean post-operative VAS for back and leg pain scores were reduced to 4.05 (Pre-op:7.38) and 3.69 (Mean pre-op 6.51)respectively. The mean preoperative SF-36 bodily pain component score was 27.42 and the mean postoperative score was 40.50.

Four patients had uncomplicated dural tears that resolved completely. Two patients had superficial wound infection that resolved with oral antibiotics.

PLIF is one of the safe and effective treatment option for FBSS and it has shown good results in our series.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_III | Pages 383 - 384
1 Jul 2010
Hadgaonkar S Kasis A Reddy G Bhatia C Hernandez M Krishna M Friesem T
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Purpose: To assess the outcomes in consecutive 32 patients of two level cervical disc replacement

Methods: In this article, we report 2-year results of anterior cervical decompression and two level cervical disc replacements (prestige) in 32 patients with a diagnosis of symptomatic cervical spondylosis. Dynamic assessment with lateral radiographs of the cervical spine in flexion/extension was done pre and post op. All of them had partial uni/bilateral uncinectomy, which adds in lateral bending. The median age of all patients was 46 years (range 32–61). Levels of surgery included between seven C3–C7, most common were C5–6, C6–7.

Results: Neck and arm pain as well as disability scores (VAS, ODI and SF36) were significantly improved by 3 months and remained improved at 2 years. Radiography revealed the complete motion (From flexion to extension) at upper disc replacement level of 11% and 9.6% at the lower level. There is a significant decrease of the facet joint articulation overlap in the sagittal plane. As the diameter of socket is slightly larger than the ball in prestige disc replacement, it helps in additional axial movement. There was reduction in motion at the adjacent segments above and below, preventing adjacent segment problems.

Conclusion: Twenty-four months after surgery, patients who underwent two level cervical disc replacements demonstrated greater improvement in neurologic function and neck pain. It helps in restoring sagittal balance, functional outcome of patient because of increased lateral bending, axial rotations and flexion-extension.

Ethics approval: done from appropriate authorities

Interest Statement: There is no local grant, national grant, commercial/industry support for this article. There are no interest or gain from any source for this article.