Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Comparative Study of Clinical and Radiological Outcomes of a Zero-Profile Device Concerning Reduced Postoperative Dysphagia after Single Level Anterior Cervical Discectomy and Fusion

  • Son, Doo Kyung (Department of Neurosurgery, Pusan National University Yangsan Hospital) ;
  • Son, Dong Wuk (Department of Neurosurgery, Pusan National University Yangsan Hospital) ;
  • Kim, Ho Sang (Department of Neurosurgery, Maryknoll Hospital) ;
  • Sung, Soon Ki (Department of Neurosurgery, Pusan National University Yangsan Hospital) ;
  • Lee, Sang Weon (Department of Neurosurgery, Pusan National University Yangsan Hospital) ;
  • Song, Geun Sung (Department of Neurosurgery, Pusan National University Yangsan Hospital)
  • Received : 2014.04.19
  • Accepted : 2014.08.16
  • Published : 2014.08.28
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Abstract

Objective : This study analyzed clinical and radiological outcomes of a zero-profile anchored spacer (Zero-P) and conventional cage-plate (CCP) for single level anterior cervical discectomy and fusion (ACDF) to compare the incidence and difference of postoperative dysphagia with both devices. Methods : We retrospectively reviewed our experiences of single level ACDF with the CCP and Zero-P. From January 2011 to December 2013, 48 patients who had single level herniated intervertebral disc were operated on using ACDF, with CCP in 27 patients and Zero-P in 21 patients. Patients who received more than double-level ACDF or combined circumferential fusion were excluded. Age, operation time, estimated blood loss (EBL), pre-operative modified Japanese Orthopaedic Association (mJOA) scores, post-operative mJOA scores, achieved mJOA scores and recovery rate of mJOA scores were assessed. Prevertebral soft tissue thickness and postoperative dysphagia were analyzed on the day of surgery, and 2 weeks and 6 months postoperatively. Results : The Zero-P group showed same or favorable clinical and radiological outcomes compared with the CCP group. Postoperative dysphagia was significantly low in the Zero-P group. Conclusions : Application of Zero-P may achieve favorable outcomes and reduce postoperative dysphagia in single level ACDF.

Keywords

References

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