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Stiff-Person Syndrome

  • IASbaba
  • December 16, 2022
  • 0
Governance
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Context: French-Canadian singer Celine Dion has opened up about being diagnosed with Stiff-Person Syndrome (SPS), a rare neurological condition that makes the muscles spasm uncontrollably.

Stiff-Person Syndrome

  • It is a syndrome of fluctuating but progressive muscle stiffness and spasm that preferentially affects axial (back and abdominal) muscles
  • It is a central nervous system disorder, meaning encephalomyelopathy, in which myelopathic features predominate in most patients. It frequently affects women with a median onset of 35 to 40 years of age

What are its causes?

  • Spasms occur at any random time and can be triggered by loud noises, touch, and emotional distress.
  • Autoimmune disease is caused by antibodies to proteins, resulting in impaired GABAergic (Gamma amino butyric acid) inhibition of the motor nerves in the brain and spinal cord.
  • It is associated with GAD65 (Glutamic acid decarboxylase) and amphiphysin antibodies.
  • 70 per cent of patients with GAD antibodies have diabetes mellitus as comorbidity.
  • It is associated with other autoimmune diseases like cerebellitis, myasthenia gravis, hypo/hyperthyroidism, rheumatoid arthritis, systemic lupus erythematosus
  • The malignancies associated with stiff-person syndrome are breast cancer, ovarian cancer, and small cell carcinoma of the lung

Common Symptoms

  • SPS is known to affect the body posture of a person due to severe pain and stiffness in muscles in the trunk (torso), arms and legs.
  • But symptoms can also include a person having greater sensitivity to noise, touch, and emotional distress

Treatment

  • Since it is a rare disease with heterogenous clinical manifestations, the diagnosis may be delayed by an average of six years following symptom onset
  • Treatment involves the use of both symptomatic agents to enhance GABAergic influences and Immuno modulating treatment aimed at the autoimmune basis of the disease.
  • In patients with paraneoplastic Stiff Person Syndrome, identification and eradication of the underlying malignancy can alleviate symptoms

Source: The Indian Express

 

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