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Spondylolithesis in pilots: a follow-up study
Aviation, Space, and Environmental Medicine
|June 1, 1987
Summary
Pilots with spondylolisthesis (SLL) can continue flying safely. This study found minimal progression and low risk of low back pain (LBP) in aviators with SLL, allowing them to maintain flight status.
Area of Science:
- Aerospace Medicine
- Orthopedics
- Radiology
Background:
- Spondylolisthesis (SLL) is a condition affecting the spine.
- Its impact on active aviators requires understanding to ensure flight safety and career longevity.
Purpose of the Study:
- To determine the natural history of spondylolisthesis (SLL) in pilots.
- To assess the risk of morbidity and impact on flight status for aviators with SLL.
Main Methods:
- A cohort of 21 pilots with spondylolisthesis (SLL) was followed for 12-131 months.
- Follow-up included X-ray examinations and assessment of low back pain (LBP) history and symptoms.
- Pilot activity and flight status were monitored throughout the study period.
Main Results:
- Only 1 out of 16 pilots showed significant progression of posterior vertebral displacement on X-ray.
- Among pilots with SLL and low back pain (LBP), 4 experienced recurrent acute LBP episodes, but all remained active flyers.
- None of the 9 pilots with SLL discovered incidentally on routine X-rays developed LBP.
Conclusions:
- Spondylolisthesis (SLL) in pilots demonstrates a stable natural history with minimal vertebral progression.
- Aviators with SLL can generally continue flying with minimal risk of significant morbidity or loss of flight time.
- Routine screening may identify SLL, but asymptomatic cases appear to have a very low risk of developing low back pain (LBP).