SMA type 1, also known as Werdnig-Hoffmann disease or infantile-onset SMA, is the most common and severe form of Spinal Muscular Atrophy. It's characterized by significant motor and physical challenges that arise very early in life.
Key Characteristics of SMA Type 1
- Severity: The most severe form of SMA.
- Onset: Symptoms typically appear at birth or within the first six months of life.
- Alternative Names: Also known as Werdnig-Hoffmann disease or infantile-onset SMA.
Symptoms and Challenges
Children with SMA type 1 face a multitude of challenges, including:
- Limited Movement: Significant restrictions in their ability to move.
- Inability to Sit Without Support: Unable to sit upright independently.
- Breathing Difficulties: Trouble with respiratory function.
- Feeding Problems: Difficulties consuming food.
- Swallowing Issues: Problems swallowing liquids and solids.
| Characteristic | Description |
|---|---|
| Severity | Most severe form of SMA |
| Onset | Birth to 6 months |
| Motor Skills | Limited movement; can't sit without support |
| Other Difficulties | Breathing, feeding, and swallowing problems |
