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Microdiskectomy for lumbar disk herniation: a review of 100 cases
T D Lowell1, T J Errico, M G Fehlings
1New York University Medical Center, Faculty Practice Offices, New York 10016, USA.
Abstract:
One hundred patients who underwent microlumbar diskectomy over 5 years were retrospectively reviewed. L4-5 and L5-S1 were compared to determine whether a patient's post-surgical outcome is related to the level where a herniation has occurred. Overall results included 70 excellent, 19 good, 2 fair, and 9 poor. Statistical analysis showed that neither the level involved, length of follow-up, nor degree of manual labor predicted outcome. Older patients and females tended to fare worse, but the trends were not significant. Three recurrent herniations occurred, 1 in the L4-L5 group and 2 in the L5-S1 group. No variable predicted recurrence.
Insights
Microlumbar diskectomy outcomes were analyzed for 100 patients. Surgical level (L4-5 vs. L5-S1) did not significantly impact patient results or recurrence rates in this retrospective study.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Spinal Surgery
Background:
- Microlumbar diskectomy is a common surgical procedure for herniated discs.
- Understanding factors influencing surgical outcomes is crucial for patient management.
- The impact of the specific spinal level (L4-5 vs. L5-S1) on outcomes requires further clarification.
Purpose of the Study:
- To compare post-surgical outcomes between L4-5 and L5-S1 levels after microlumbar diskectomy.
- To identify predictors of successful surgical outcomes and recurrence.
Main Methods:
- Retrospective review of 100 patients undergoing microlumbar diskectomy over five years.
- Analysis of patient outcomes based on the herniated disc level (L4-5 vs. L5-S1).
- Statistical evaluation of various factors, including age, sex, follow-up duration, and manual labor, on outcomes and recurrence.
Main Results:
- Overall outcomes were predominantly excellent or good (89%).
- No statistically significant difference in outcomes or recurrence was found between the L4-5 and L5-S1 levels.
- Older age and female sex showed non-significant trends towards worse outcomes.
- Three recurrent herniations occurred (1 L4-5, 2 L5-S1), with no predictable factors identified.
Conclusions:
- The spinal level of herniation (L4-5 vs. L5-S1) does not appear to be a significant predictor of microlumbar diskectomy outcomes or recurrence.
- Factors such as age and sex may influence outcomes but require further investigation.
- No specific variable reliably predicted surgical success or recurrence in this cohort.