Clinical Study

Short-Term Outcomes of KeraSys Patch Graft for Glaucoma Drainage Devices: A Case Series

Table 1

Demographics, medical history, and baseline characteristics.

VariableSummary Statistics

Demographics

Age, years; mean (SD)58.68 (16.69)
Sex, no. of female (%)25 (66)
Race/ethnicity, no. of participants (%)
 Black13 (34)
 White15 (39)
 Hispanic4 (11)
 Asian1 (3)
 Unknown5 (13)

Medical and ocular history

Hypertension, no. of participants (%)25 (66)
Diabetes mellitus, no. of participants (%)14 (37)
Autoimmune diseases, no. of participants (%)2 (5)
Preoperative visual acuity
 Visual acuity, 10 × logMAR; mean (SD)10.93 (8.73)
 Visual acuity, 20/40 or better; no. of eyes (%)12 (29)
 Visual acuity, count figures or worse; no. of eyes (%)15 (36)
Diagnosis, no. of eyes (%)
 Primary open angle glaucoma (POAG)16 (38)
 Neovascular glaucoma (NVG)13 (31)
 Inflammatory glaucoma3 (7)
 Other10 (24)
Preoperative IOP, mm Hg; mean (SD)33.37 (14.46)
Preoperative IOP-lowering medications, no.; mean (SD)3.62 (0.85)
Previous ocular surgery, no. of eyes (%)27 (64)
 Glaucoma surgery13 (31)
 Trabeculectomy11 (26)
 Panretinal photocoagulation11 (26)
 Cyclophotocoagulation1 (2)
 Selective laser trabeculoplasty5 (12)
 Retina surgery5 (12)
 Vitrectomy2 (5)
 Cataract surgery20 (48)
 Posterior chamber intraocular lens18 (43)
 Anterior chamber intraocular lens 2 (5)

Tube shunt implantation parameters

Type of glaucoma drainage device implanted, no. of eyes (%)
 Baerveldt 35030 (71)
 Baerveldt 2503 (7)
 Ahmed FP78 (19)
 Ahmed S21 (2)
Shunt placement, no. of eyes (%)
 Inferior nasal2 (5)
 Superior temporal40 (95)
Conjunctival suture, no. of eyes (%)
 8-0 nylon1 (2)
 8-0 polyglactin 91039 (93)
 Unknown2 (5)
Patch suture, no. of eyes (%)
 8-0 nylon4 (10)
 8-0 polyglactin 91023 (55)
 10-0 nylon10 (24)
 10-0 polyglactin 9101 (2)
 Unknown 4 (9)
Plate anchor suture, no. of eyes (%)
 5-0 nylon2 (5)
 8-0 nylon33 (79)
 9-0 nylon2 (5)
 10-0 nylon1 (2)
 5-0 polyethylene terephthalate4 (10)
Tube occlusion suture, no. of eyes (%)
 8-0 nylon33 (79)
 Unknown9 (21)
Obturator suture, no. of eyes (%)
 3-0 polypropylene31 (74)
 Unknown11 (26)
Tube anchor suture, no. of eyes (%)
 8-0 nylon36 (86)
 10-0 nylon4 (10)
 Unknown2 (5)

IOP: intraocular pressure; SD: standard deviation.