Related Experiment Video
Updated: Oct 26, 2025

Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
Published on: May 30, 2025
Sexual dysfunction in patients with myasthenia gravis
Jiancheng Wang1, Chao Yan2, Zhengyang Zhao1
1Department of Neurology, West China Hospital, Sichuan University, Guo Xuexiang #37, Chengdu 610041, China.
Sexual dysfunction is common in myasthenia gravis (MG) patients, particularly in women. Age and depression are key risk factors for sexual dysfunction in individuals with MG.
Area of Science:
- Neurology
- Sexual Medicine
- Autoimmune Diseases
Background:
- Myasthenia gravis (MG) is an autoimmune disorder causing muscle weakness.
- Sexual dysfunction (SD) is prevalent but its link to MG is understudied.
Purpose of the Study:
- To determine the incidence of sexual dysfunction in MG patients.
- To identify risk factors associated with sexual dysfunction in MG.
Main Methods:
- An observational study included 158 MG patients and 161 controls.
- Validated questionnaires assessed sexual function (FSFI, IIEF-5, CIPE-5) and mental health (HAMD, HAMA).
Main Results:
- Female MG patients had significantly higher SD rates (48.11%) compared to controls (22.64%).
- Age and depression scores correlated with reduced sexual function domains.
- Age (OR: 1.13) and HAMD scores (OR: 1.53) were independent risk factors for SD in MG.
Conclusions:
- Sexual dysfunction is a frequent comorbidity in myasthenia gravis.
- Age and depression are significant risk factors for sexual dysfunction in MG patients, independent of disease severity.
Related Concept Videos
Myasthenia Gravis: Overview and Treatment
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
Myasthenia Gravis: Diagnostic Tests
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
Disorders of the Skeletal Muscle
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Chemical Synapses
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
Chemical Synapses
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
Indirect-Acting Cholinergic Agonists: Pharmacological Actions
At the neuromuscular junction, these agents work by inhibiting the breakdown of acetylcholine, allowing it to remain bound to the receptor and bind to nearby receptors. This process leads to repetitive firing of the endplate, causing muscle...

