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DOES HIGH BODY MASS INDEX HAVE AN EFFECT ON LUMBAR DISCECTOMY AND DECOMPRESSION? – A PRELIMINARY REPORT



Abstract

Design of study: Prospective, observational

Purpose of the study: Obese and morbidly obese patients undergoing lumbar surgery can be a challenge to the operating surgeon. Reports on the perioperative data in this group of patients are scarce. The purpose of the study is to prospectively compare the perioperative data in patients with normal and high BMI, undergoing lumbar spine surgery.

Method: We conducted a prospective audit of 50 consecutive patients who underwent primary discectomy or single level decompression under the care of single spine surgeon. Initial Low Back Outcome Score, length of incision, distance from skin to spinous process, distance from skin to lamina, length of hospital stay, blood loss and complications were studied in detail.

Results: We used student t test to compare the two groups and Pearson Correlation to correlate the data against high BMI. We were unable to demonstrate a statistically significant difference between those with normal BMI and high BMI in any of the above parameters analysed.

Conclusion: A high BMI was not associated with an increased perioperative morbidity in this patient group. Contrary to other areas of orthopaedic surgery, there is no statistically significant difference in the Initial Low Back Outcome Score and perioperative data between patients with normal and high BMI undergoing lumbar discectomy and single level decompression.

Conflict of Interest: None

Source of Funding: None

Correspondence should be addressed to: SBPR at the Royal College of Surgeons, 35–43 Lincoln’s Inn Fields, London WC2A 3PE, England.