CRVO Flashcards
What signs are there of an ischaemic CRVO?
- v/a < 6/60
- RAPD
Which CRVO patients are eligible for anti-VEGF treatment?
- non-ischaemic CRVO
- reduced v/a
- retinal thickness great than 300(spectralis), 250(topcon)
What exclusion criteria are there?
- Active neovasc
- Significant ischaemia
- v/a < 3/60
- Duration of macula oedema > 2years
- Stroke/heart attack or TIA in previous 3 months
How many appointments are initially booked?
4
At the 4th appointment the px’s vision has plateaued and the OCT is dry what is the treatment?
Inject and extend to 8 weeks
A patient attends for their 10th appointment, they were dry at 8 weeks but today there is fluid and a reduced v/a at 10 weeks what would be the treament?
Inject and reduce follow up to 8 weeks
At the 4th appointment there has been no improvement in v/a and the OCT is still wet what is the management?
Patient is considered non-responder and Ozurdex is offered.
At 4th appoinment OCT is dry but v/a has not plateaued what is the management?
Inject and see again in 4/52 until v/a has plateaued.
A patient has not had an injection for 16 weeks and is dry on the scan and v/a is stable what is the management?
Discuss with med ret consultant and discharge from injection clinic.
What is the average number of injections a patient with CRVO will need?
50% need bimonthly injections for 4 years.
What gain of vision do 50% of patient achieve?
15 letter gain.
