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Spinal Muscular Atrophy Types

Spinal Muscular Atrophy is classified into four categories:<br><br>

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Spinal Muscular Atrophy Types

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  1. Types Of Spinal Muscular Atrophy

  2. Type 1 SMA commonly known as Werdnig-Hoffman disease, affects about 60% of patients with Spinal Muscular Atrophy. Symptoms arise shortly after birth or within the first six months of an infant’s life. Type 1 SMA babies have trouble eating and sucking. They don’t achieve conventional milestones like sitting or holding their heads up. As muscles weaken, children are more susceptible to respiratory infections and lung collapse (pneumothorax). The majority of children with type 1 SMA die before they reach the age of two.

  3. Type 2 SMA (also known as Dubowitz disease) symptoms emerge between six to eighteen months. This kind usually affects the lower extremities. Type 2 SMA children may be able to sit up but not walk. The majority of children with type 2 SMA grow up to be adults.

  4. Type 3 SMA (also known as Kugelbert-Welander or juvenile-onset SMA) symptoms develop once a child is 18 months. Some patients with type 3 SMA do not exhibit symptoms until they are in their twenties. Mild muscle weakness, trouble walking, and frequent respiratory infections are all Type 3 symptoms. Symptoms can impair one’s ability to walk or stand over time. Type 3 SMA does not cause a significant reduction in life expectancy.

  5. Type 4 SMA It is the adult version of Spinal Muscular Atrophy which usually doesn’t show up until the mid-thirties. Since signs of muscle weakness develop slowly, most individuals with type 4 remain mobile and live their whole lives.

  6. Contact Us: Phone: +1 888-269-7246 Street: 37-06, 82nd Street, Suite 310, Jackson Heights, NY 11372, USA Website: www.realignspine.org

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