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Interspinous bursa and spinal instability.
W Laohacharoensombat1, V Sirikulchayanonta, P Meejan
1Department of Orthopaedics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
Journal of the Medical Association of Thailand = Chotmaihet Thangphaet
|February 21, 2002
Summary
Interspinous bursal formation is linked to excessive spinal movement. This study found that increased angular mobility in spinal segments may cause interspinous bursae, indicating segmental hypermobility.
Area of Science:
- Spine surgery
- Orthopedics
- Pathology
Background:
- Interspinous bursae are common in older adults and linked to degenerative spine conditions.
- Previous research has not fully explored segmental instability as a cause of bursal formation.
Purpose of the Study:
- To investigate the cause of interspinous bursal formation.
- To determine the relationship between spinal segmental instability and the presence of interspinous bursae.
Main Methods:
- A prospective study involving intraoperative collection of interspinous tissue from patients undergoing spinal surgery.
- Pathological examination of tissue for bursal presence, blinded to X-ray findings.
- Correlation of bursal presence with X-ray evidence of spinal hypermobility using a student t-test.
Main Results:
- A significant correlation was found between the presence of bursae and angular mobility exceeding 10 degrees.
- This suggests that excessive motion in spinal segments is associated with bursal development.
Conclusions:
- Increased angular mobility is a potential cause of interspinous bursa formation.
- The presence of an interspinous bursa may serve as an indicator of segmental hypermobility in the lumbar spine.