Unilateral approach for bilateral decompression of lumbar spinal stenosis: a minimal invasive surgery. | [Journal of College of Physicians and Surgeons--Pakistan : JCPSP • 2013]

Author(s):

1. Muhammad Usman: Department of Neurosurgery, Postgraduate Medical Institute, Lady Reading Hospital, Peshawar, Pakistan

2. Mumtaz Ali: Department of Neurosurgery, Postgraduate Medical Institute, Lady Reading Hospital, Peshawar, Pakistan

3. Khalid Khanzada: Department of Neurosurgery, Postgraduate Medical Institute, Lady Reading Hospital, Peshawar, Pakistan

4. Mohammad Ishaq: Department of Neurosurgery, Postgraduate Medical Institute, Lady Reading Hospital, Peshawar, Pakistan

5. Naeem-Ul-Haq: Department of Neurosurgery, Postgraduate Medical Institute, Lady Reading Hospital, Peshawar, Pakistan

6. Raza Aman: Department of Neurosurgery, Postgraduate Medical Institute, Lady Reading Hospital, Peshawar, Pakistan

7. Mohammad Ali: Department of Neurosurgery, Postgraduate Medical Institute, Lady Reading Hospital, Peshawar, Pakistan

Abstract:

OBJECTIVE: To assess the feasibility and efficacy of a novel, minimally invasive spinal surgery technique for the correction of lumbar spinal stenosis involving unilateral approach for bilateral decompression. STUDY DESIGN: Cross-sectional observational study. PLACE AND DURATION OF STUDY: Neurosurgery Department of PGMI, Lady Reading Hospital, Peshawar, from January to December 2010. METHODOLOGY: A total of 60 patients with lumbar stenosis were randomly assigned to undergo either a conventional laminectomy (30 patients, Group A), or a unilateral approach (30 patients, Group B). Clinical outcomes was measured using the scale of Finneson and Cooper. All the data was collected by using a proforma and different parameters were assessed for a minimum follow-up period of three months. Data was analyzed by descriptive statistics using SPSS software version 17. RESULTS: Adequate decompression was achieved in all patients. Compared with patients in the conventional laminectomy group, patients who received the novel procedure (unilateral approach) had a reduced mean duration of hospital stay, a faster recovery rate and majority of the patients (88.33%) had an excellent to fair operative result according to the Finneson and Cooper scale. Five major complications occurred in all patient groups, 2 patients had unintended dural rent and 2 wound dehiscence each and fifth patient had worsening of symptoms. There was no mortality in the series. CONCLUSION: The ultimate goal of the unilateral approach to treat lumbar spinal stenosis is to achieve adequate decompression of the neural elements. An additional benefit of a minimally invasive approach is adequate preservation of vertebral stability, as it requires only minimal muscle trauma, preservation of supraspinous/intraspinous ligament complex and spinous process, therefore, allows early mobilization. This also shortens the hospital stay, reduces postoperative back pain, and leads to satisfactory outcome.

Page(s): 852-856

DOI: DOI not available

Published: Journal: Journal of College of Physicians and Surgeons--Pakistan : JCPSP, Volume: 23, Issue: 12, Year: 2013

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