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Myasthenia Gravis: Overview and Treatment

Myasthenia Gravis: Overview and Treatment

Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
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Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
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Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia

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Published on: December 19, 2020

Secondary Polymyalgia Rheumatica Following SARS-CoV-2 Infection.

Kazuki Ocho¹, Hideharu Hagiya², Hisashi Ishikawa¹

¹Department of Internal Medicine, Ishikawa Hospital.

Acta Medica Okayama

|December 24, 2024

Summary

This summary is machine-generated.

The novel coronavirus disease 2019 (COVID-19) may trigger polymyalgia rheumatica (PMR), an autoimmune condition. Prompt treatment with prednisolone effectively managed the patient's symptoms, suggesting a link between SARS-CoV-2 infection and PMR onset.

Keywords:

COVID-19 SARS-CoV-2 autoimmune diseases human leukocyte antigen polymyalgia rheumatica

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Area of Science:

Rheumatology
Infectious Diseases
Immunology

Background:

Polymyalgia rheumatica (PMR) is an inflammatory condition typically affecting individuals over 50.
The etiology of PMR is often idiopathic, but viral triggers have been suspected.
The emergence of SARS-CoV-2 has raised questions about its potential to trigger autoimmune responses.

Observation:

An 81-year-old male with diabetes and hypertension developed bilateral shoulder and hip pain 3 days after COVID-19 diagnosis.
Symptoms consistent with PMR appeared one month after initial SARS-CoV-2 infection onset.
The patient presented to an outpatient clinic for evaluation of persistent pain.

Findings:

Diagnostic criteria for polymyalgia rheumatica were met.
Treatment with 15 mg of prednisolone daily resulted in immediate symptom improvement.
The clinical presentation strongly suggests SARS-CoV-2 infection as a trigger for PMR.

Implications:

This case highlights a potential novel association between SARS-CoV-2 infection and the development of polymyalgia rheumatica.
Understanding post-COVID-19 autoimmune manifestations is crucial for patient management.
Further research is warranted to explore the immunopathogenesis linking SARS-CoV-2 to PMR.