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Table 2 Clinical characteristics of patients with graft failure

From: Risk factors influencing survival of acellular porcine corneal stroma in infectious keratitis: a prospective clinical study

Cause of graft failure

Indications

Lesion sizeb (mm)

Graft size (mm)

Graft survival time (months)

Prognosis

Infection recurrence

 1

Fungal

3.39

7.50

0.2

Repeated PK

 2

Fungal

6.01

8.50

0.1

Repeated PK

 3

Fungal

6.51

7.75

0.5

Controlled

 4

HSK

5.80

8.00

8.0

Controlled

Graft meltinga

 5c

HSK

7.18

8.00

2.2

Controlled

 6d

HSK

5.36

7.75

3.0

Controlled

 7d

HSK

7.16

8.25

1.0

Controlled

 8d

Acanthamoeba

5.60

8.25

4.3

Repeated PK

 9e

Fungal

5.89

7.75

5.0

Repeated PK

Extensive graft neovascularization

 10

Fungal

6.22

8.00

6.5

Controlled

 11

Fungal

5.42

8.50

6.5

Controlled

 12

Bacterial

6.52

7.25

6.0

Controlled

  1. HSK herpetic simplex viral keratitis, PK penetration keratoplasty
  2. aNoninfectious graft melting
  3. bLesion size reported as the equivalent circular diameter
  4. cGraft melting caused by persistent epithelial defect
  5. dGraft melting caused by extensive inflammation
  6. eGraft melting caused by neovessel ingrowth