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Edit Comment Close By: mmgokulanezekiel (9 month(s) ago) vry nice.....i like Saving..... Post Reply Close Saving..... Edit Comment Close By: maslinska (10 month(s) ago) very instructive Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript SPINAL BIFIDA: SPINAL BIFIDA PRESENTED BY: A.PRIYADHARSHINI M.Sc (N), IGMCRI, PUDHUCHERRY.DEFINITION:: DEFINITION: Spina bifida (Latin: "split spine") is a developmental congenital disorder caused by the incomplete closing of the embryonic neural tube. Some vertebrae overlying the spinal cord are not fully formed and remain unfused and open. If the opening is large enough, this allows a portion of the spinal cord to protrude through the opening in the bones. There may or may not be a fluid-filled sac surrounding the spinal cord.INCIDENCE:: INCIDENCE: Spina bifida is one of the most common birth defects, with an average worldwide incidence of one to two cases per 1000 births, but certain populations have a significantly greater risk. Myelomeningocele is the most significant and common form, and this leads to disability in most affected individuals. This condition is more likely to appear in females; the cause for this is unknown.CAUSES:: CAUSES: Maternal diabetes Family history Obesity Increased body temperature from fever or external sources such as hot tubs and electric blankets may increase the chances of delivery of a baby with a spina bifida. Medications such as some anticonvulsants. Pregnant women taking Valproic acid have an increased risk of having children with spina bifida Genetic basis. Folic acid deficiencyEMBRYOLOGY:: EMBRYOLOGY: Spina bifida is caused by the failure of the neural tube to close during the first month of embryonic development (often before the mother knows she is pregnant). Under normal circumstances, the closure of the neural tube occurs around the 23rd ( rostral closure) and 27th (caudal closure) day after fertilization.TYPES:: TYPES: Spina bifida malformations fall into three categories: spina bifida occulta spina bifida cystica with meningocele spina bifida cystica with myelomeningocele . (The most common location of the malformations is the lumbar and sacral areas)Spina bifida occulta: : Spina bifida occulta : Occulta is Latin for "hidden". This is the mildest form of spina bifida. In occulta , the outer part of some of the vertebrae is not completely closed. The splits in the vertebrae are so small that the spinal cord does not protrude. The skin at the site of the lesion may be normal, or it may have some hair growing from it; there may be a dimple in the skin, or a birthmark. The incidence of spina bifida occulta is approximately 10% of the population, and most people are diagnosed incidentally from spinal X-raysMeningocele: : Meningocele : The least common form of spina bifida is a posterior meningocele (or meningeal cyst). In this form, the vertebrae develop normally, but the meninges are forced into the gaps between the vertebrae.Myelomeningocele: : Myelomeningocele : This type of spina bifida often results in the most severe complications. In individuals with myelomeningocele , the unfused portion of the spinal column allows the spinal cord to protrude through an opening. The meningeal membranes that cover the spinal cord form a sac enclosing the spinal elements. Spina bifida with myeloschisis is the most severe form of myelomeningocele . In this type, the involved area is represented by a flattened, plate-like mass of nervous tissue with no overlying membrane. The exposure of these nerves and tissues make the baby more prone to life-threatening infections such as meningitis.CONTD…: CONTD… The protruded portion of the spinal cord and the nerves that originate at that level of the cord are damaged or not properly developed. As a result, there is usually some degree of paralysis and loss of sensation below the level of the spinal cord defect.CLINICAL MANIFESTATIONS:: CLINICAL MANIFESTATIONS: Physical Signs: Orthopedic abnormalities (i.e., club foot, hip dislocation) Bladder and bowel control problems, including incontinence, urinary tract infections, and poor renal function . Pressure sores and skin irritations Abnormal eye movement 68% of children with spina bifida have an allergy to latex ParalysisCONTD…: CONTD… Scoliosis Back pain Partial or complete lack of sensation Weakness of the hips, legs, or feet of a newborn Other symptoms may include: Hair at the back part of the pelvis called the sacral area Dimpling of the sacral area Difficulty swallowing, which can lead to choking. Hoarseness. Breath-holding and problems breathing during sleep. Below-average intelligence.Neurological complications: : Neurological complications: Many individuals with spina bifida have an associated abnormality of the cerebellum, called the Arnold Chiari II malformation. In affected individuals, the back portion of the brain is displaced from the back of the skull down into the upper neck.Executive function:: Executive function: Specific areas of difficulty in some individuals include planning, organizing, initiating, and working memory. Problem-solving, abstraction, and visual planning may also be impaired. Children with spina bifida and shunted hydrocephalus have higher rates of ADHD.Academic skills: : Academic skills: Individuals with spina bifida may struggle academically, especially in the subjects of mathematics and reading. In one study, 60% of children with spina bifida were diagnosed with a learning disability.Social complications: : Social complications: Compared to typically developing children, youths with spina bifida may have fewer friends and spend less time with peers.DIAGNOSTIC EVALUATION:: DIAGNOSTIC EVALUATION: Pregnancy screening: Neural tube defects can usually be detected during pregnancy by testing the mother's blood (AFP screening) or a detailed fetal ultrasound. Increased levels of maternal serum alpha-fetoprotein (MSAFP) should be followed up by two tests - an ultrasound of the fetal spine and amniocentesis of the mother's amniotic fluid (to test for alpha-fetoprotein and acetylcholinesterase ).PREVENTION:: PREVENTION: Dietary supplementation with folic acid has been shown to be helpful in reducing the incidence of spina bifida. Sources of folic acid include whole grains, fortified breakfast cereals, dried beans, leaf vegetables and fruits. It is recommended that any woman considering becoming pregnant take 0.4 mg of folic acid a day. Pregnant women need 1 mg per day.TREATMENT:: TREATMENT: There is no known cure for nerve damage caused by spina bifida. The spinal cord and its nerve roots are put back inside the spine and covered with meninges . In addition, a shunt may be surgically installed to provide a continuous drain for the excess cerebrospinal fluid produced in the brain, as happens with hydrocephalus. Shunts most commonly drain into the abdomen or chest wall.CONTD…: CONTD… Monitor growth and development of bones, muscles, and joints. Treat and evaluate nervous system issues, such as seizure disorders. Physical therapy Speech therapyIMMEDIATE CARE:: IMMEDIATE CARE: Place the child in prone position. Cover the affected area with sterile gauze piece dipped in normal saline. Maintain hydration. Monitor for associated defects.LIFE LONG TREATMENT:: LIFE LONG TREATMENT: Catheters Braces High fiber diet Antibiotics may be used to treat or prevent infections such as meningitis or urinary tract infections.COMPLICATIONS:: COMPLICATIONS: Difficult delivery with problems resulting from a traumatic birth, including cerebral palsy and decreased oxygen to the brain Frequent urinary tract infections Hydrocephalus Loss of bowel or bladder control Meningitis Permanent weakness or paralysis of legsPowerPoint Presentation: THANK YOU You do not have the permission to view this presentation. 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