Osteoporotic Vertebral Fractures

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Search Strategy

Databases: Pubmed, Web of Science, Pedro.

As subject headings varied between the databases, various combinations of the key words were used. These were the most productive: Osteoporotic Vertebral Fractures, Osteoporotic Vertebrae Fractures, Insufficiency Fractures, Vertebral Compression Fractures, Osteoporosis AND physical therapy, Osteoporosis AND diagnosis, Osteoporotic Vertebral Fractures AND treatment.

Definition / Description

Osteoporotic (fragility) fractures are fractures that result from mechanical forces that would not ordinarily result in a fracture, known as low-level (or low-energy) trauma according to National Institute for Health and Care Excellence (NICE) clinical guidelines.

Osteoporosis is a disease that is characterised by low bone mass, causing bones to be more fragile and likely to fracture. The word osteoporosis literally means porous bone. One of the significant consequences of osteoporosis is fractures. Common types of fracture include wrist fractures, hip fractures and vertebral fractures.

Osteoporosis in older adults is caused by an imbalance of bone resorption in excess of bone formation. The dominant factor leading to bone loss in older adults appears to be gonadal sex steroid deficiency, with multiple genetic and biochemical factors, such as Vitamin D Deficiency or hyperparathyroidism, that may accelerate bone loss.

Conditions that adversely affect growth and development may limit development of peak bone mass and accelerate subsequent bone loss. Studies of bone microarchitecture have shown that trabecular bone loss begins in the third decade of life, before gonadal sex steroid deficiency develops, whereas cortical loss typically begins in the sixth decade, about the time of menopause in women and about the same age in men.

Antiresorptive agents for the treatment of osteoporosis act primarily by limiting osteoclast activity, whereas osteoanabolic agents, such as teriparatide, act primarily by stimulating osteoblastic bone formation. Clinical investigation of new compounds for the treatment of osteoporosis is mainly directed to those that stimulate bone formation or differentially decrease bone resorption more than bone formation. Therapies for osteoporosis are associated with adverse effects, but in patients at high risk of fracture, the benefits generally far outweigh the risks.

Important: Bone mass alone does not explain the risk of fractures in at least 50% of osteoporosis cases; bone quality also plays a role.

Epidemiology / Etiology

Osteoporotic vertebral fractures are a significant problem. The number of vertebral fractures in the UK in 2010 was estimated to be 30,994, this number is expected to increase by 17.9% by 2020. In America 700,000 vertebral fractures occur within the population who have osteoporosis. In addition to this once a vertebral fracture has been sustained the risk of subsequent vertebral, hip or wrist fractures increase.

Characteristics / Clinical Presentation

Symptoms of vertebral fracture can include pain, curvature of the spine, height loss, difficulties with ADLs, loss of self-esteem related to changes in body shape, and in cases of severe kyphosis respiratory and gastrointestinal problems, in addition to vertebral fractures being linked to mortality.

Medical Management

Treatment after vertebral fracture should include appropriate pain management and possibly bracing. 

Vertebral fractures can also be treated surgically using vertebroplasty and kyphoplasty. 

In a vertebroplasty bone cement, usually polymethylmethacrylate (PMMA), is injected into the vertebral bone. In a kyphoplasty a balloon is inserted into the vertebral body, the balloon is inflated to attempt to re-establish normal height and posture, the balloon is remove and cement injected.

Physical Therapy Management

Regarding Physiotherapy management, there are a number of treatment approaches, including strengthening exercise, stabilisation exercise, balance training, stretching, relaxation techniques, manual therapy and taping. Currently a large RCT is comparing exercise based and ‘hands on’ manual therapy based physiotherapy against a control.

Key Research

The following articles are key evidence pieces for physical therapy interventions:

• Exercise interventions to reduce fall-related fractures and their risk factors in individuals with low bone density: a systematic review of randomized controlled trials. [44]
• A multi-component exercise regimen to prevent functional decline and bone fragility in home-dwelling elderly women: a randomized, controlled trial. [45]
• Positive effects of exercise on falls and fracture risk in osteopenic women.[46]
• Reducing the risk of falls through proprioceptive dynamic posture training in osteoporotic women with kyphotic posturing: a randomized pilot study
• Identifying osteoporotic vertebral fracture.[37]
• Position Statement of the Korean Society for Bone and Mineral Research.

Clinical Bottom Line

Osteoporotic vertebral fractures are fractures of one ore more of the vertebrae due to osteoporosis. Osteoporosis causes the bones to be more fragile and more likely to fracture. Osteoporotic vertebral fractures classically occur during normal day-to-day activities such as bending, walking or lifting relatively light objects.

The pain of acute fracture usually lasts 4 to 6 weeks with intense pain at the site of fracture. Chronic pain may also occur in patients with multiple compression fractures, height loss and low bone density. Although this is probably due to structural changes or osteoarthritis.

Vertebral fractures doesn’t only occur due to osteoporosis. Also a trauma or metastasis can cause a vertebral fracture. The diagnosis of osteoporosis can be confirmed by Dual Energy X-ray Absorptiometry (DXA).

Often used outcome measures to evaluate the progression of a patiënt are: Visual analogue scale for overall pain and pain during day and night (VAS), a Quality of Life questionnaire and a Physical functioning questionaire ( modified 23-item version of the Roland–Morris Disability Questionnaire).

Conservative treatment (bed rest, analgesic medication, physiotherapy and bracing) still is the method of choice as medical treatment. Vertebral fractures can also be treated surgically using vertebroplasty and kyphoplasty.

As physical therapy management there are a number of treatment approaches, including strengthening exercise, stabilisation exercise, balance training, stretching, relaxation techniques, manual therapy and taping.

Recent Related Research

• Rzewuska M. The efficacy of conservative treatment of osteoporotic compression fractures on acute pain relief: a systematic review with meta-analysis.Eur Spine J. 2015 Apr;24(4):702-14. Level of Evidence: 1A.

• Buchbinder R, Golmohammadi K, Johnston RV, Owen RJ, Homik J, Jones A, Dhillon SS, Kallmes DF, Lambert RG.Percutaneous vertebroplasty for osteoporotic vertebral compression fracture.Cochrane Database Syst Rev. 2015 Apr 30;4:CD006349. Level of Evidence: 1A.