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Spina bifida is a congenital condition that affects the development of a fetus's spine and spinal cord. It can cause a range of symptoms, including incontinence, loss of feeling, and leg paralysis. While the exact cause of spina bifida is unknown, it is believed to be caused by a combination of genetic and environmental factors. The most common type of spina bifida is spina bifida occulta, which is a mild form that rarely causes symptoms. However, some people with spina bifida may experience muscle weakness and decreased muscle mass, especially in the lower body. This can lead to a decrease in physical stamina and mobility, making it difficult for individuals with spina bifida to participate in physical activities.
| Characteristics | Values |
|---|---|
| Muscle weakness | Yes |
| Decrease in muscle mass | Yes |
| Loss of muscle strength | Yes |
| Decreased physical stamina | Yes |
| Decreased sensory abilities | Yes |
| Decreased sensation | Yes |
| Lower basal metabolic rate | Yes |
| Lower-extremity muscle deterioration | Yes |
| Obesity | Yes |
| Low bone mineral density (BMD) | Yes |
| Increased fat mass | Yes |
| Increased metabolic complications | Yes |
| Increased risk of metabolic derangements | Yes |
| Increased risk of osteoporosis | Yes |
| Increased risk of cardiovascular disease | Yes |
| Increased risk of renal failure | Yes |
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What You'll Learn
Myelomeningocele and muscle weakness
Spina bifida is a neural tube defect that affects the development of a foetus's spine and spinal cord. Myelomeningocele, also known as open spina bifida, is the most severe form of the condition. It occurs when the neural tube doesn't close early in the first trimester, leaving neural elements exposed to the outside world through defects in the dura, bone, muscle, and skin.
Myelomeningocele results in a fluid-filled sac that protrudes from the baby's back, containing parts of the spinal cord, nerves, and cerebrospinal fluid. This exposure often results in damage to the spinal cord and nerves, leading to various complications, including muscle weakness.
The muscle weakness associated with myelomeningocele can lead to decreased mobility and orthopaedic issues such as scoliosis, contractures, and hip dislocation. Scoliosis, a curvature of the spine, is caused by an imbalance of muscle strength and spine malformations. It is a common problem, affecting a significant proportion of children with myelomeningocele, with the frequency varying based on the level of the spinal defect.
In addition to muscle weakness, myelomeningocele can cause paralysis, loss of sensation below the lesion, orthopaedic issues, loss of bladder and bowel control, frequent urinary tract infections, meningitis, latex allergy, and cognitive impairments. While there is no cure for myelomeningocele, healthcare providers can usually diagnose it during pregnancy and perform surgery to repair the opening in the spine.
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Spina bifida occulta and muscle strength
Spina bifida is a neural tube defect that affects the development of a foetus's spine and spinal cord. It happens when the neural tube doesn't close properly during early pregnancy, leaving a gap in the spine. Spina bifida occulta is the most common type of spina bifida, characterised by a small gap in the spine that doesn't cause a fluid-filled sac to form. This form of spina bifida is typically mild and rarely causes symptoms, especially during childhood.
However, in some cases, spina bifida occulta can lead to muscle weakness, particularly in the legs. About 1 in 1,000 people diagnosed with this condition will experience symptoms as their spinal cord stretches during adolescence or adulthood. This can include muscle weakness and loss of muscle strength, as well as bladder and bowel control issues.
The symptoms of spina bifida occulta can vary depending on the type, size, and location of the gap in the spine. While most cases don't require treatment, if symptoms occur, they can be managed through physical or occupational therapy to improve muscle strength and mobility. Surgery may also be recommended to close the gap between the vertebrae.
It's important to note that the exact cause of spina bifida occulta is unknown, but it is believed to be influenced by a combination of genetic, nutritional, and environmental factors. These factors include a lack of folate during pregnancy, a family history of the condition, unmanaged diabetes or obesity in a parent, and certain medications.
Overall, while spina bifida occulta is typically a mild condition with rare symptoms, it can, in some cases, lead to muscle weakness and a decrease in muscle strength, particularly as individuals with this condition age.
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Spina bifida in adults and muscle deterioration
Spina bifida is a neural tube defect that affects the development of a foetus's spine and spinal cord. The condition ranges in severity, and while it is a lifelong condition, many adults with spina bifida lead productive lives.
Spina bifida occulta, or hidden spina bifida, is a mild form of the condition caused by a gap forming between the vertebrae in the spinal cord during fetal development. It rarely causes symptoms, and most people diagnosed with the condition don't know they have it. However, about 1 in 1,000 people diagnosed with spina bifida occulta will experience symptoms as their spinal cord stretches during adolescence after a growth spurt. These symptoms include muscle weakness in the legs, bladder and bowel control issues, and back pain. In adulthood, as the spinal cord continues to stretch, these symptoms may worsen.
For adults with spina bifida, the aging process can be faster, leading to a loss of muscle strength and flexibility, reduced physical stamina, and decreased sensory abilities. Women with spina bifida can get pregnant, but their condition can complicate the pregnancy.
Treatments for spina bifida occulta focus on reducing the tension on the spinal cord. These include surgery to close the gap between the vertebrae, physical or occupational therapy to improve muscle strength, and medication to treat bladder or bowel problems and pain. While there is no cure for spina bifida occulta, treatments can help ease symptoms and improve quality of life.
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Spina bifida and obesity
Spina bifida is a neural tube defect that affects the development of a foetus's spine and spinal cord. It occurs when the foetus's spine does not close completely during embryonic development, resulting in a gap in the vertebrae. This condition can cause various symptoms, including incontinence, loss of feeling, and leg paralysis, and it ranges in severity from mild to severe.
While spina bifida itself is not directly linked to obesity, there are some connections between the two. Firstly, maternal pre-pregnancy obesity has been associated with an increased risk of spina bifida in the offspring. Studies have shown that obesity in women at conception can elevate the chances of neural tube defects, including spina bifida. The underlying mechanisms for this association are not yet fully understood, but it highlights the impact of obesity on birth outcomes.
Additionally, individuals with spina bifida may face challenges related to weight management and obesity throughout their lives. They are at a greater risk of being classified as overweight or obese compared to their peers without the condition. This is often due to nutritional challenges and a lack of physical activity, which can result in weight gain and obesity if not properly managed. The limited mobility associated with spina bifida can contribute to a sedentary lifestyle, further compounding the issue.
To address these concerns, early recognition of nutrition problems and timely interventions are crucial. Healthcare providers play a vital role in offering nutritional education and weight management counselling to individuals with spina bifida and their families. The Spina Bifida Association's Guidelines for the Care of People with Spina Bifida include recommendations for nutrition, metabolic syndrome, and obesity to promote lifelong health and wellness. These guidelines aim to address the unique nutritional needs of individuals with spina bifida and prevent associated conditions like overweight, obesity, and metabolic syndrome.
In summary, while spina bifida does not directly cause obesity, there are connections between the two. Maternal obesity increases the risk of spina bifida in offspring, and individuals with spina bifida are more susceptible to weight gain and obesity due to nutritional and physical activity challenges. Early intervention, nutritional education, and tailored guidelines are essential to help manage these challenges and promote a healthy lifestyle for individuals with spina bifida.
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Spina bifida and muscle mass in children
Spina bifida is a congenital disorder caused when the neural tube fails to close properly during a fetus's embryonic development. The neural tube defect affects the development of a fetus's spine and spinal cord. Spina bifida occulta, or hidden spina bifida, is a mild form of the condition caused by a gap forming between the vertebrae in the spinal cord. This gap happens during fetal development in the uterus. Spina bifida occulta rarely causes symptoms, and most people diagnosed with the condition don’t know they have it. Only 1 in 1,000 people diagnosed with spina bifida experience symptoms, which normally appear as their spinal cord stretches during adolescence after a growth spurt. Most children don’t experience symptoms of spina bifida occulta.
Myelomeningocele is the most severe type of spina bifida. In myelomeningocele, part of the spinal cord protrudes outside the spinal column in a fluid-filled sac, resulting in spinal cord damage and paralysis or weakness in the muscles of the lower limbs. Children with spina bifida have well-recognized functional deficits of muscle, but little is known about the associated changes in muscle anatomy and composition. However, a study using water-fat magnetic resonance imaging (MRI) to measure fat infiltration in the lower extremity muscles of 11 children with myelomeningocele found a significant inverse relationship between muscle fat fraction (FF) and manual muscle test (MMT) scores for muscle strength.
The results of the study indicate that muscle fat content varies widely in children with spina bifida and generally reflects muscle strength and functional status. However, fat fractions can remain low in some muscles with no observable contractile function, including in children who are non-ambulatory and may never have walked. Quantitative water-fat MRI may improve the clinical understanding of the pathophysiology and progression of skeletal muscle damage in children with spina bifida. Larger studies are needed to determine the generalizability of the results and confirm how common it is for muscle tissue to be preserved in non-functioning muscles.
To diagnose spina bifida in children, providers will offer imaging tests to get a better view of their spine and spinal cord. Treatment for spina bifida occulta can include physical or occupational therapy to improve muscle strength, the use of mobility equipment like a back brace, walker, or wheelchair, and medication to treat bladder or bowel problems.
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Frequently asked questions
Spina Bifida is a treatable spinal cord malformation that occurs when a fetus's spine doesn't close completely during embryonic development. It affects the development of a fetus's spine and spinal cord.
The symptoms of Spina Bifida vary depending on the type, size, and location of the gap in the spine. Some common symptoms include incontinence, loss of feeling, leg paralysis, muscle weakness, and decreased sensation.
Yes, Spina Bifida can lead to lower-extremity muscle deterioration and a decrease in muscle mass, especially in the lower body musculature. This is due to lesion-related mobility deficits and decreased opportunities for physical activity.
Yes, Spina Bifida can also lead to obesity, osteoporosis, cardiovascular disease, and renal failure. The risk of developing these comorbidities increases with age as life expectancy for individuals with Spina Bifida improves.
Spina Bifida affects about 1 in every 2,875 babies born in the United States each year. It is more prevalent in developing countries and among individuals with low socioeconomic status.
