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Spinal muscular atrophy: Early diagnosis can improve outcomes
Spinal muscular atrophy, or SMA, is a rare inherited disorder in which motor neurons degenerate, causing progressive muscle weakness and wasting. It can affect sitting, walking, swallowing and breathing. The Hindu reports…
The Story in Brief
Spinal muscular atrophy, or SMA, is a rare inherited disorder in which motor neurons degenerate, causing progressive muscle weakness and wasting. It can affect sitting, walking, swallowing and breathing. The Hindu reports that SMA affects an estimated one to two people per 1 lakh population, with one case among 6,000 to 10,000 live births. Among Asian Indians, the estimated incidence is one in 9,655 births, while about one in 71 people is a carrier.
Most cases involve changes in the SMN1 gene. Symptoms range from poor muscle tone and feeding trouble in infants to falls, fatigue and delayed milestones in older children and adults. Genetic testing confirms diagnosis. There is no cure, but disease-modifying treatments and supportive care can improve survival, movement and quality of life, especially when treatment begins before symptoms appear.
The Indian Opinion
Two weak narratives often surround SMA: that its rarity makes screening unimportant, or that newer treatments have solved the problem. Neither fits the facts. Parents can carry the altered gene without symptoms, and early treatment works best before irreversible neuron loss. At the same time, medicines cannot replace respiratory, nutritional and rehabilitation support. The practical test is whether more families receive timely genetic testing and multidisciplinary care, not whether a therapy exists on paper.
Source: thehindu.com
This story was synthesised by AI from the source linked above.
