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Operative Results of Monoportal PLIF Surgery for Lumbar Degenerative Disease Hirotoshi Yoshida 1 , Hirokazu Satoh 1 , Kensyou Kitahara 1 , Shigeto Ebata 1 , Yoshiyasu Arai 1 , Isao Shigemitsu 1 1Department of Orthopaedic Surgery, Saitamaken Saiseikai Kawaguchi General Hospital Keyword: PLIF , 腰椎後方椎体間固定術 , TLIF , 椎間孔経由腰椎後方椎体間固定術 , operative result , 手術成績 pp.1299-1305
Published Date 2005/12/1
DOI https://doi.org/10.11477/mf.1408100228
  • Abstract
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 We evaluated the operative outcomes of single-level monoportal PLIF (posterior lumbar interbody fusion) performed at our hospital. The percentage of slippage (%slip) of the upper vertebra before operation was 22.5±7.6%;this value decreased to 13.7±7.5% after one postoperative year. The preoperative disc angle was 4.5±7.5 degrees;this value improved to 7.2±4.7 degrees after one postoperative year. The operation time was 214±25 minutes, and the intraoperative blood loss was 143±96 ml. Reoperation was performed in one case with neurological deterioration and one case with pseudoarthrosis. The JOA (Japanese Orthopaedic Association) score improved from 14.5±4.9 points preoperatively to 25.5±3.0 points one year postoperatively, and the average percentage of improvement was 76%. Thirty-three out of 45 cases were judged to have complete bony fusion based on the appearance of a solid bony mass in front of cages on X-ray images. The subsidence of cage was recognized in 3 cases (6.7%). Monoportal PLIF in less invasive with regard to the vessels and nerves and can attain an operative outcome similar to that of PLIF.


Copyright © 2005, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1286 印刷版ISSN 0557-0433 医学書院

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