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(H49.1) Fourth [trochlear] nerve palsy
More details coming soon
126 524 in individuals diagnosis fourth [trochlear] nerve palsy confirmed
2 543 deaths with diagnosis fourth [trochlear] nerve palsy
2% mortality rate associated with the disease fourth [trochlear] nerve palsy
Diagnosis fourth [trochlear] nerve palsy is diagnosed Men are 6.32% more likely than Women
67 257
Men receive the diagnosis fourth [trochlear] nerve palsy
681 (1.0 %)Died from this diagnosis.
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59 267
Women receive the diagnosis fourth [trochlear] nerve palsy
1 862 (3.1 %)Died from this diagnosis.
Risk Group for the Disease fourth [trochlear] nerve palsy - Men and Women aged 55-59
In Men diagnosis is most often set at age 0-95+
Less common in men the disease occurs at Age 0-1Less common in women the disease occurs at Age 95+
In Women diagnosis is most often set at age 0-94
Disease Features fourth [trochlear] nerve palsy
Absence or low individual and public risk
Fourth [trochlear] nerve palsy - what does this mean
Fourth nerve palsy is caused by damage to the fourth cranial nerve (trochlear nerve). this damage can be caused by trauma to the head, tumors, or inflammation, and results in paralysis of the superior oblique muscle, causing double vision, diplopia, and an inability to look downward or inward.
What happens during the disease - fourth [trochlear] nerve palsy
Fourth nerve palsy is a condition in which the fourth cranial nerve is damaged, resulting in a weakened or paralyzed eye muscle. this damage can be caused by a variety of factors, including direct trauma to the nerve, stroke, tumor, inflammation, or compression from a blood vessel. the paralysis of the eye muscle results in an inability to move the eye in the direction of the affected nerve, causing double vision and difficulties with eye alignment.
Clinical Pattern
More details coming soon
How does a doctor diagnose
- Complete ophthalmologic examination
- MRI of the brain and orbits
- CT scan of the brain and orbits
- Electrophysiological studies
- Neurological examination
- Neuro-ophthalmologic examination
- Blood tests
- Genetic testing
Treatment and Medical Assistance
Main goal of the treatment: To improve the functioning of the fourth nerve and restore normal eye movements.
- Prescribe eye exercises to strengthen the weakened eye muscles
- Prescribe glasses with prisms to correct double vision
- Prescribe medications to reduce inflammation of the nerve
- Provide physical therapy to help improve eye movements
- Perform surgery to repair the nerve, if necessary
8 Days of Hospitalization Required
Average Time for Outpatient Care Not Established
Fourth [trochlear] nerve palsy - Prevention
The best way to prevent fourth nerve palsy is to practice good eye care, including regular eye exams and avoiding activities that could cause eye strain or trauma. additionally, it is important to maintain a healthy lifestyle, including a balanced diet and regular exercise, to reduce the risk of developing conditions that can lead to nerve damage.