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  • Title: Neural tube defects: Different types and brief review of neurulation process and its clinical implication.
    Author: Ravi KS, Divasha, Hassan SB, Pasi R, Mittra S, Kumar R.
    Journal: J Family Med Prim Care; 2021 Dec; 10(12):4383-4390. PubMed ID: 35280642.
    Abstract:
    UNLABELLED: Neural Tube Defects are the most typical congenital malformations, with almost 300,000 cases annually worldwide. The incidence varies amongst geographical ranges from 0.2 to up to 11 per 1000 live births. In India, incidence is reportedly higher in north than south and can be attributable to diet and genetic variances. Etiology is multifactorial. Severe forms of whitethorn are allied with syndromes. Primary neurulation and secondary neurulation are the most crucial steps in the formation and closure of the neural tube; any interruption can lead to mild to severe NTDs depending on the level of insult during embryogenesis. Various molecular and cellular events take place simultaneously for neural tube bending and closure of the neural tube. Neurological deficit in the newborn is contingent on the level of defect and severity of the structures affected. Survival of the newborn also depends on the severity of the lesion. Folic acid supplementation in all prospective mothers, preferably 4 weeks before conception and at least 12 weeks after conception, can prevent NTDs in folic responsive groups. But there is a significant number of other causes leading to neural tube defects apart from folic acid. Hydrocephalus is the commonest abnormality allied with NTDs in syndromic cases. CONCLUSION: NTDs are a frequent cause of stillbirths, infant mortality, and palsies in children. There are various reasons for NTDs, but the process of neurulation points towards some factors of NTC, which can be taken care of to lessen the burden of NTDs.
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