Final - Drainage Device Surgery Flashcards
1
Q
Indications (6)
A
Failed trabeculectomy Young (1 mo -> 13 yrs) NVG Uveitic glauc Severe conj scarring, previous ocular sx Aniridia
2
Q
Where implanted
A
In eye, extended from AC to subconj space
3
Q
Design
A
Silicone tube from AC to plate/disc/encircling element beneath conj and Tenon’s
-open tubes are likely to have early post-op hypotony (require temporary closure)
4
Q
Why elevated IOPs first weeks/months after implantation
A
Fibrous capsule formation around plate (“hypertensive phase”)
-may lead to failure
5
Q
Names of open-tube devices
A
Baervedlt
Molteno
Schocket
6
Q
Flow-restricted device
A
Ahmed
Krupin
7
Q
Complications
A
Hypotony Elev IOP Migration, extrusion, erosion of tube Endopthalmitis Visual loss K decompensation and graft failure Diplopia and ocular motility disturbance
