Wefaq Ullah, Mumtaz Ali, Zahid Khan.
Frequency of incidental durotomy during surgery for degenerative lumbar spine disease: an experience in neurosurgery department of a tertiary care hospital.
J Postgrad Med Inst Jan ;32(1):99-102.

Objective: To determine the frequency of incidental durotomy during surgery for degenerative lumbar spine disease. Methodology: It was a descriptive cross sectional study conducted on the admitted patients of degenerative lumbar spinal disease in the Department of Neurosurgery, Lady Reading hospital, Peshawar. Total of 186 patients were en- rolled in the study. Laminectomy and fenestration surgery were performed. All the patients were looked for incidental durotomy during surgery and was properly documented. Results: Out of 186 patients about 106 patients were male and 80 were female with male to female ratio of 1.33: 1. Age range was 20?60 years with mean age of 39.91 ±10.584 years. Incidental durotomy was found in 8 cases (4.30%). Out of these, 5 cases (62.5%) were lumbar stenosis whereas 3 cases (37.5%) were prolapsed inter vertebral disc. Conclusion: Incidental durotomy was a common complication in degenerative lumbar spine surgery. It was more common in spinal stenosis as compared to prolapsed intervertebral disc. It was also more common in males and in patients with age <40 years.

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