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Acta Neurochirurgica

, Volume 157, Issue 7, pp 1165–1171 | Cite as

Microsurgical decompression for central lumbar spinal stenosis: a single-center observational study

  • Charalampis GiannadakisEmail author
  • Lars-Egil Hammersbøen
  • Casper Feyling
  • Ole Solheim
  • Asgeir S. Jakola
  • Ulf S. Nerland
  • Øystein P. Nygaard
  • Tore K. Solberg
  • Sasha Gulati
Clinical Article - Spine

Abstract

Objective

To assess outcomes and complications in patients undergoing microsurgical decompression for central lumbar spinal stenosis (LSS) without radiologic instability.

Methods

Prospective data for patients operated at the Department of Neurosurgery, St. Olavs University Hospital, Norway, were obtained from the Norwegian Registry for Spine Surgery (NORspine) from 2007 to 2012. The primary outcome was change in Oswestry disability index (ODI) at 1 year. The secondary endpoint was perioperative complications. Complications were graded according to the Ibanez classification system.

Results

For all patients (n = 125), the mean improvement in ODI at 1 year was 16.9 points (95 % CI 13.5–20.2, p < 0.001). Seventy-six (71.7 %) patients achieved a minimal clinically important difference in ODI (defined as ≥8 points improvement). The total number of complications within 3 months of surgery was 22 (17.6 %). There were 14 medical and eight surgical complications, and all were Ibanez grade I or II (mild or moderate) complications. Four (3.2 %) complications occurred while being admitted to the hospital and 18 (14.4 %) occurred within 3 months following hospital discharge. The most common complication was urinary tract infection (n = 11, 8.8 %).

Conclusions

Microsurgical decompression for central LSS in the absence of radiological instability is an effective and safe treatment.

Keywords

Spinal stenosis Neurosurgical procedures Single-center study Microdecompression Patient reported outcomes Quality of life 

Notes

Acknowledgments

The authors thank the Norwegian Registry for Spine Surgery (NORspine). The NORspine registry receives funding from the University of Northern Norway and Norwegian health authorities. We thank all patients and surgeons participating in NORspine registration.

Funding statement

This study received a grant (Grant for quality improvement and patient safety) from the Norwegian Medical Association. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Conflict of interest

None.

Authors’ contributions

All authors read and approved the final manuscript. CG: Collection of data, statistics and writing. LEH: Collection of data, statistics and writing. CF: Collection of data, statistics and writing. OS: Statistics and writing. ASJ: Statistics and writing. USN: Collection of data and writing. ØPN: Collection of data and writing. TKS: Collection of data and writing. SG: Study design, statistics and writing.

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Copyright information

© Springer-Verlag Wien 2015

Authors and Affiliations

  • Charalampis Giannadakis
    • 1
    • 2
    Email author
  • Lars-Egil Hammersbøen
    • 3
  • Casper Feyling
    • 3
  • Ole Solheim
    • 1
    • 2
    • 4
  • Asgeir S. Jakola
    • 1
    • 5
  • Ulf S. Nerland
    • 1
    • 2
  • Øystein P. Nygaard
    • 1
    • 2
    • 6
  • Tore K. Solberg
    • 7
    • 8
  • Sasha Gulati
    • 1
    • 2
    • 6
    • 9
  1. 1.Department of NeurosurgerySt. Olavs University HospitalTrondheimNorway
  2. 2.Department of NeuroscienceNorwegian University of Science and Technology (NTNU)TrondheimNorway
  3. 3.The Faculty of MedicineNorwegian University of Science and Technology (NTNU)TrondheimNorway
  4. 4.National Advisory Unit in Ultrasound and Image-Guided SurgeryTrondheimNorway
  5. 5.Department of NeurosurgerySahlgrenska University HospitalGothenburgSweden
  6. 6.National Advisory Unit on Spinal Surgery Center for Spinal DisordersSt. Olavs University HospitalTrondheimNorway
  7. 7.Department of NeurosurgeryUniversity Hospital of Northern Norway (UNN)TromsøNorway
  8. 8.The Norwegian National Registry for Spine Surgery (NORspine)University Hospital of Northern Norway (UNN)TromsøNorway
  9. 9.Norwegian Centre of Competence in Deep Brain Stimulation for Movement DisordersSt. Olavs University HospitalTrondheimNorway

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