Chronic Obstructive Pulmonary Disease Chronic Obstructive Pulmonary Disease, Visual evoke potential, Optic nerve
Conditions
Interventions
Adult patients aged 18 years or older with COPD diagnosed according to GOLD criteria by spirometry receiving care at Rajavithi Hospital.
Other
COPD patients
Sponsors
Rajavithi Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Patients diagnosed with chronic obstructive pulmonary disease (COPD) according to GOLD criteria and receiving care at the Department of Internal Medicine, Rajavithi Hospital. 2. Age 18 years or older. Willing and able to provide written informed consent.
Exclusion criteria
Exclusion criteria: 1. Ocular diseases that may affect visual pathway conduction or image quality, such as glaucoma, optic neuropathy, or retinal disease. 2. Comorbid conditions that may affect VEP results, such as multiple sclerosis, stroke, or severe head injury. 3. Conditions preventing adequate VEP examination, such as inability to lie flat or sit still, inability to cooperate, or inability to follow instructions. 4. Incomplete or poor-quality VEP results. 5. Inability to cooperate with the examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| P100 latency/ amplitude within 12 months after spirometry was done visual evoke potential | — |
Secondary
| Measure | Time frame |
|---|---|
| P100 latency / amplitude relation with Spirometry parameter and demographic data within 12 months after spirometry was done visual evoke potential | — |
Countries
Thailand
Contacts
Public ContactParinee Khemchoknatee
Rajavithi Hospital
Outcome results
None listed