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Table 3 Postoperative posterior segment complications and interventions after Ahmed valve implantation

From: Posterior segment complications of Ahmed valve implantation

Posterior segment complication

No. of eyes

Percentage of eyes

Procedure performed (No. of eyes)

Median time to onset of complication (Month)

Range (Months)

Choroidal detachment

44

17.7%

0.1

0–0.3

Ocular decompression retinopathy

8

3.2%

0.1

0–0.3

Hypotonic maculopathy

7

2.8%

0.8

0.1–2.5

Suprachoroidal hemorrhage

3

1.2%

Vitrectomy (1)

0.2

0–0.5

Endophthalmitis

3

1.2%

Vitrectomy (3)

11.3

0.1–23.7

Retinal detachment

3

1.2%

Vitrectomy (2)

3.2

1.6–8.8

Vitreous hemorrhage

5

2.0%

Vitrectomy (1)

1.2

0.1–3.2

Epiretinal membrane

2

0.8%

22.4

12.2–32.6

Cystoid macular edema

2

0.8%

Intravitreal bevacizumab or triamcinolone injection (2)

2.6

1.3–3.9

Proliferative vitreoretinopathy

1

0.4%

Vitrectomy (1)

10.3

10.3–10.3