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Biopsychosocial variations in quality of life outcome following microdiscectomy
Lena Mary Houlihan1, James Meeke1, Orla Dunlea1
1Department of Neurosurgery, Cork University Hospital, Cork, Ireland.
Background:
Lumbar microdiscectomy is one of the most frequently performed neurosurgical procedures. In this review, we ask why patients' outcomes vary so widely even within the same unit, with the same surgeon performing the procedure and utilizing the technique?
Methods:
In a cohort of 87 patients, we investigated how/whether multiple patient variables impacted outcomes following single-level lumbar microdiscectomy. We studied whether early surgical intervention improved the patients' quality of life (QOL) versus late intervention. Furthermore, we assessed other variables that could influence patient-perceived improvement. Preoperatively and postoperatively, we additionally utilized the following internationally standardized questionnaires (EQ-5D, Oswestry, and Core Outcome Measures Index [COMI]).
Results:
A generalized substantial improvement in QOL was identified throughout the cohort population (<0.05). There was no difference in health measurement scores for those undergoing early versus late surgery. However, there was a statistically significant improvement in all QOL scores for privately insured patients versus publicly insured patients (e.g., on COMI, EQ-5D, and ODI Scores).
Conclusion:
There was no objective statistically significant difference in QOL health scores between patients undergoing early versus late surgical lumbar microdiscectomy. This would suggest that the length of time patients is symptomatic before surgery did not significantly impact postoperative outcome. Of interest, however, was the difference in QOL health scores for private versus public patients suggesting that there are more subjective, complex, and psychosocial issues that influence outcome.
Insights
Patient outcomes after lumbar microdiscectomy vary. Early versus late surgery showed no difference, but insurance status impacted quality of life scores, suggesting psychosocial factors are key.
Area of Science:
- Neurosurgery
- Health Services Research
Background:
- Lumbar microdiscectomy is a common neurosurgical procedure.
- Patient outcomes following this surgery exhibit significant variability.
Purpose of the Study:
- To investigate patient-specific variables influencing outcomes after single-level lumbar microdiscectomy.
- To determine if early surgical intervention impacts quality of life (QOL) compared to delayed intervention.
Main Methods:
- A cohort of 87 patients undergoing lumbar microdiscectomy was analyzed.
- Patient-reported QOL was assessed using EQ-5D, Oswestry, and COMI questionnaires pre- and post-operatively.
- The impact of early versus late surgery and insurance status on QOL was evaluated.
Main Results:
- Overall QOL significantly improved across the patient cohort (<0.05).
- No significant difference in QOL scores was observed between early and late surgical intervention groups.
- Privately insured patients demonstrated statistically significant improvements in all QOL measures compared to publicly insured patients.
Conclusions:
- The timing of lumbar microdiscectomy (early vs. late) does not appear to significantly affect postoperative QOL outcomes.
- Insurance status may be linked to differences in QOL outcomes, highlighting the role of complex psychosocial factors.
- Further research into psychosocial determinants of patient-perceived improvement is warranted.

