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| GU Shirong,ZHANG Ming,CHEN Binhui.Impact of intrasacrospinal muscular approach or midline approach on paraspinal muscle during lumbar interbody fusion[J].Chinese Journal of Spine and Spinal Cord,2013,(4):320-324. |
| Impact of intrasacrospinal muscular approach or midline approach on paraspinal muscle during lumbar interbody fusion |
| Received:August 10, 2012 Revised:November 28, 2012 |
| English Keywords:Intrasacrospinal muscular approach Lumbar interbody fusion Creatine phosphokinase Paraspinal muscle |
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| English Abstract: |
| 【Abstract】 Objectives: To compare the impact of paraspinal muscle through intrasacrospinal muscular approach vs midline approach for lumbar interbody fusion. Methods: 40 cases undergoing single level lumbar spine fusion from June 2010 to August 2011 were reviewed retrospectively. All cases were divided into intrasacrospinal muscular approach group(n=20) and midline approach group(n=20). The creatine phosphokinase(CK) levels of peripheral blood preoperatively and 24 hours after operation and the CK levels in paraspinal muscles were measured when the muscles were immediately exposed and the retractor was just loosened in two groups. The muscle strain time, operation time, the amount of blood loss and post-operative drainage and the VAS score of low back and leg pain preoperatively, 1 month and 6 months after operation were recorded. All case were followed up for more than one year to evaluate fusion status. Results: All cases were followed up for 14-25 months, with an average of 18 months. All patients had bony fusion. For intrasacrospinal muscular approach group, there were less blood loss and post-operative drainage and less change of the muscle CK level(P<0.01), VAS of back pain at both 1 month and 6 months after operation showed better results for intrascrospinal approach(P<0.01) but no difference for leg pain VAS between two groups(P>0.05). There was no significant difference in peripheral blood CK changes in two groups(P>0.05). Conclusions: The intrasacrospinal muscular approach for lumbar interbody fusion is better in less injury to paraspinal muscle, less blood loss and less post-operative drainage, which contributes a rapid recovery. |
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