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Stress fractures in elderly patients
Stefan Breer1, Matthias Krause, Robert P Marshall
1Department of Osteology and Biomechanics, University Medical Centre Hamburg-Eppendorf, Lottestraße 59, 22529, Hamburg, Germany.
International Orthopaedics
|November 10, 2012
Summary
Elderly patients with stress fractures share similar risk factors with younger individuals, with multifactorial causes beyond osteoporosis. Maintaining balanced vitamin D and calcium is crucial for prevention.
Area of Science:
- Orthopedics and Sports Medicine
- Geriatric Medicine
- Bone Health
Background:
- Stress fractures are common in various age groups, but risk factors in the elderly require specific investigation.
- Understanding sex-specific differences may inform targeted prevention strategies.
- Previous research often focuses on younger athletes, leaving a gap in knowledge regarding elderly populations.
Purpose of the Study:
- To identify specific risk factors for stress fractures in elderly patients.
- To determine common locations of stress fractures in this demographic.
- To explore potential sex-specific differences in stress fracture occurrence among the elderly.
Main Methods:
- A cohort of 105 patients with stress fractures was analyzed, comparing elderly individuals (≥40 years) with a younger control group.
- Bone mineral density (BMD) was assessed using dual-energy X-ray absorptiometry (DXA).
- Blood samples were analyzed for vitamin D levels, and lifestyle factors like physical activity and weight were recorded.
Main Results:
- Lower lumbar and femoral BMD was observed in elderly patients, though generally within osteopenic or normal ranges.
- Vitamin D insufficiency (83.8%) and lack of regular physical activity (75.5%) were prevalent in the study group.
- Overweight elderly patients experienced significantly more stress fractures than normal-weight individuals.
Conclusions:
- Risk factors for stress fractures in the elderly are similar to those in younger populations, indicating multifactorial causes.
- Osteoporotic changes alone do not solely explain stress fracture incidence in the elderly.
- Adequate calcium and vitamin D metabolism are essential for preventing stress fractures in older adults.
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