Nondiabetic Ketoacidosis in a Patient With Spinal Muscular Atrophy Type II
Maria Aguilera-Astudillo1, Danish Zahir2, Muhammad Samee Ullah2
1Department of Medicine, Houston Methodist Hospital, Houston, Texas.
AACE Endocrinology and Diabetes
|July 18, 2025
Summary
Spinal muscular atrophy (SMA) patients can experience ketoacidosis due to metabolic issues. This case highlights the importance of considering endocrine abnormalities in SMA management.
Area of Science:
- Neurology
- Metabolic Disorders
- Genetics
Background:
- Spinal muscular atrophy (SMA) is a genetic disorder affecting motor neurons, leading to muscle atrophy.
- Patients with SMA often exhibit metabolic abnormalities, increasing susceptibility to conditions like ketoacidosis.
- This report focuses on a 51-year-old female with SMA type II presenting with non-diabetic ketoacidosis.
Observation:
- The patient presented with symptoms including diarrhea, reduced oral intake, nausea, and abdominal pain.
- Neurological examination revealed diffuse muscle atrophy and diminished reflexes.
- Laboratory results indicated severe metabolic acidosis with elevated beta-hydroxybutyrate levels, consistent with ketoacidosis.
Findings:
- The patient was diagnosed with non-diabetic ketoacidosis, a metabolic complication associated with SMA.
- Treatment with intravenous fluids, dextrose, and insulin led to the resolution of ketosis within two days.
- This case underscores the link between SMA and metabolic disturbances.
Implications:
- Endocrine abnormalities are significant in SMA patients and require clinical consideration.
- Recognizing these metabolic comorbidities is crucial for accurate diagnosis and effective management of individuals with SMA.
- This case emphasizes the need for a comprehensive approach to SMA care, addressing both neuromuscular and metabolic aspects.
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