American Journal of Ophthalmology AJO 2875 Page 22
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Table 2. Complications following Ahmed tube insertion.
Complication Number
of
eyes
(%, N=60)
Average
time from
surgery
(months)
Treatment
(number of cases treated)
Hypotony < 5mmHg 14 (23%)
1.6 ± 1.3
Pupil dilation therapy (14)
Flat anterior
chamber
9 (15%)
0.7 ± 0.5
Reformation with
air/viscoelastic (5)
Choroidal
detachment
11 (18%)
1.2 ± 1.2
Spontaneous resolution
Sub-retinal effusion 3 (5%)
3.1 ± 2.1
Spontaneous resolution
Exposed tube
7 (12%)
8.0 ± 3.6
New scleral/synthetic patch (7)
Tenon cyst
4 (7%)
2.0 ± 0.5
Needling (2), excision (2)
Endophthalmitis
3 (5%)
3.5 ± 0.7
Vitrectomy + antibiotics (3)
Retracted tube
3 (5%)
15.3 ± 4.8
Tube reinserted (2),
repeat tube (1)
Wound leak
2 (3%)
2.75 ± 3.2
Surgical repair (2)
Tube-corneal touch
2 (3%)
3.5 ± 3.5
Tube trimmed (1)
Iatrogenic Brown's
syndrome
2 (3%)
0.37 ± 0.12
Spontaneous resolution (1), not
treated (1)
Vitreous blocking
tube
1 (2%)
2 days
Vitrectomy (1)
