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    Genetic Disorders and Newborn Screening: Early Diagnosis and Treatment Options – News18


    Newborn screening is a crucial public health measure that can significantly alter the course of an infant’s life by detecting treatable genetic, metabolic, and endocrine disorders soon after birth. Early diagnosis and intervention are essential for preventing severe developmental delays, lifelong health complications, and, in some cases, death. This proactive approach enables timely medical interventions and ensures affected infants can grow and develop normally with proper care.

    The Importance of Newborn Screening

    Dr Meenakshi Mohan, Consultant Pathologist, Neuberg Pulse Diagnostics, Kolkata, highlights the critical role that newborn screening plays in identifying conditions that might otherwise go unnoticed. She explains, “Newborn screening is a critical public health initiative aimed at early detection of treatable genetic, metabolic, and endocrine disorders in infants. This preventive measure helps identify conditions such as phenylketonuria (PKU), congenital hypothyroidism, and cystic fibrosis, which, if left undiagnosed, can lead to severe developmental delays or lifelong complications.”

    A few drops of blood taken within the first 24 to 48 hours of life can detect numerous treatable conditions, allowing for early interventions such as dietary changes, hormone replacement, or enzyme therapies tailored to the specific disorder. Without early detection, many of these conditions could go untreated until symptoms become severe, resulting in irreversible damage.

    Genetic Disorders and Mutations

    Genetic disorders often arise from mutations in genes, which can be inherited from parents or occur spontaneously. Chandra Ganjoo, Group Chief Executive Officer, Trivitron Healthcare, underscores the significance of detecting these genetic mutations early, “Genetic disorders are caused by changes or mutations in genes that can affect a newborn’s health and development. Often inherited from parents, these mutations can lead to a wide range of conditions, from mild to severe. That’s why early detection is key, and newborn screening plays a vital role in identifying these genetic defects as soon as possible.”

    Many disorders detected through newborn screening, such as congenital hypothyroidism, glucose-6-phosphate dehydrogenase (G6PD) deficiency, and cystic fibrosis, may not show symptoms immediately. However, their long-term effects can be profound. By identifying these disorders early, doctors can initiate treatments that prevent or mitigate damage to the child’s health.

    The Five Components of an Ideal Newborn Screening Program

    A comprehensive newborn screening program extends beyond just the initial tests. According to Dr Mohan, a well-rounded program integrates five key components:

    1. Testing of newborn infants
    2. Follow-up of abnormal screening results
    3. Diagnostic testing and confirmation by specialized laboratories
    4. Lifelong disease management
    5. System evaluation, ensuring timely communication between nurseries, labs, health authorities, and medical specialistsThis comprehensive approach ensures continuous care and monitoring, reducing the risk of long-term complications and improving the infant’s overall quality of life.

    Early Diagnosis and Treatment Options

    Newborn screening opens the door to timely, life-saving treatments. For example, early identification of PKU allows doctors to implement a special diet that can prevent intellectual disabilities in affected children. Similarly, congenital hypothyroidism, if detected early, can be treated with hormone replacement therapy, ensuring normal growth and cognitive development.

    As Ganjoo notes, “Our newborn screening kits can detect concerns like Congenital adrenal hyperplasia, Congenital hypothyroidism, Biotinidase deficiency, Cystic fibrosis, Glucose-6-phosphate dehydrogenase deficiency (G6PD), Classic Galactosemia (CG), and several acidemias. Early detection of these disorders can prevent long-term health issues, giving every child the best possible start in life.”

    With advancements in screening technology, kits are now capable of detecting an expanding range of conditions, offering a greater safety net for newborns. For example, high-risk disorders like amino acid metabolism disorders and fatty acid oxidation defects can be caught early, allowing for immediate medical intervention.

    The Future of Newborn Screening

    Both experts agree that newborn screening is a vital component of modern healthcare. Dr. Mohan emphasizes the value of early diagnosis, “By detecting these disorders before symptoms appear, newborn screening plays a pivotal role in reducing infant mortality and preventing long-term health issues.”

    As technologies advance and screening programs become more robust, the ability to detect and treat even more genetic and metabolic disorders will continue to improve, ensuring healthier outcomes for countless infants.

    In conclusion, newborn screening is an indispensable tool for early detection and intervention, offering infants with genetic or metabolic disorders the chance for a healthy, normal life. Through collaboration between healthcare providers, laboratories, and families, the early identification of these disorders sets the stage for effective treatment, ultimately safeguarding the well-being of future generations.



    Read More: Genetic Disorders and Newborn Screening: Early Diagnosis and Treatment Options – News18

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