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BioMed Research International
Volume 2017, Article ID 5619350, 6 pages
Clinical Study

A Novel Nonpedicular Screw-Based Fixation in Lumbar Spondylolisthesis

1Division of Neurosurgery, Department of Surgery, Cathay General Hospital, Taipei, Taiwan
2School of Medicine, Catholic Fu-Jen University, New Taipei City, Taiwan
3Department of Orthopedic Surgery, Taipei Medical University Hospital, Taipei, Taiwan
4Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
5Taipei Postal Hospital, Taipei, Taiwan

Correspondence should be addressed to Jen-Yuh Chen; moc.liamg@0102nehcenob

Received 5 August 2016; Accepted 21 December 2016; Published 10 January 2017

Academic Editor: Jiancheng Zeng

Copyright © 2017 Ming-Hong Chen and Jen-Yuh Chen. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Objective. The authors present the clinical results obtained in patients who underwent interspinous fusion device (IFD) implantation following posterior lumbar interbody fusion (PLIF). The purpose of this study is investigating the feasibility of IFD with PLIF in the treatment of lumbar spondylolisthesis. Methods. Between September 2013 and November 2014, 39 patients underwent PLIF and subsequent IFD (Romeo®2 PAD, Spineart, Geneva, Switzerland) implantation. Medical records of these patients were retrospectively reviewed to collect relevant data such as blood loss, operative time, and length of hospital stay. Radiographs and clinical outcome were evaluated 6 weeks and 12 months after surgery. Results. All 39 patients were followed up for more than one year. There were no major complications such as dura tear, nerve injuries, cerebrospinal fluid leakage, or deep infection. Both interbody and interspinous fusion could be observed on radiographs one year after surgery. However, there were 5 patients having early retropulsion of interbody fusion devices. Conclusion. The interspinous fusion device appears to achieve posterior fixation and facilitate lumbar fusion in selected patients. However, further study is mandatory for proposing a novel anatomic and radiological scoring system to identify patients suitable for this treatment modality and prevent postoperative complications.