Incidental durotomy during spinal surgery: a multivariate analysis for risk factors
Jerry Y Du1, Alexander Aichmair, Janina Kueper
1From the Spine and Scoliosis Service, Hospital for Special Surgery, Weill Cornell Medical College, New York City, NY.
Spine
|September 5, 2014
Summary
Prior spine surgery, laminectomy, and older age increase incidental durotomy risk. Newer techniques like lateral approach fusion and foraminectomy reduce this complication, aiding surgical decisions.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Spine Surgery
Background:
- Incidental durotomy (ID) is a common complication in spine surgery.
- It can lead to serious postoperative issues like fistulas and arachnoiditis, potentially requiring revision surgery.
- Early recognition and repair are crucial to prevent further complications.
Purpose of the Study:
- To identify independent risk factors and protective factors for incidental durotomy (ID) in contemporary spine surgery.
- To evaluate the impact of modern surgical techniques on the incidence of ID.
Main Methods:
- Prospective documentation of ID in 4822 patients undergoing spine surgery over two years.
- Retrospective analysis of demographic, diagnostic, and procedural data for 182 patients with ID matched to controls.
- Multivariate analysis was employed to determine significant risk and protective factors.
Main Results:
- Revision spine surgery, laminectomy, and older age were identified as independent risk factors for ID.
- Spinal fusion, foraminectomy, and the lateral approach to interbody fusion were found to be independent protective factors against ID.
Conclusions:
- Previous spine surgery, laminectomy, and advanced age are significant risk factors for incidental durotomy.
- The lateral approach, fusion, and foraminectomy demonstrate protective effects, offering valuable insights for surgical planning and patient consent.
