Outcomes of Vitrectomy Combined with Scleral Buckling for Eyes with Early Recurrence of Simple Rhegmatogenous Retinal Detachment Previously Treated by Pars Plana Vitrectomy
Table 2
Relationship between factors before surgery for recurrent retinal detachment and the final visual acuity.
BCVA (logMAR)
value
N (eyes)
Average ± SD
95% CI
Reason for recurrence of RRD
0.091
Reopen of primary breaks
16 (76%)
0.59 ± 0.53
0.30, 0.87
New retinal breaks
5 (24%)
0.19 ± 0.20
−0.07, 0.45
Macular detachment
0.051
Present
11 (52%)
0.70 ± 0.59
0.31, 1.10
Absent
10 (48%)
0.26 ± 0.25
0.08, 0.43
Quadrants of detachment
0.146
1
2 (10%)
0.37 ± 0.46
−3.78, 4.52
2
8 (38%)
0.21 ± 0.19
0.05, 0.37
3
4 (19%)
0.50 ± 0.33
−0.01, 1.02
4
7 (33%)
0.84 ± 0.67
0.21, 1.46
Choroidal detachment
0.010
Present
2 (10%)
1.61 ± 0.55
−3.33, 6.55
Absent
19 (90%)
0.37 ± 0.33
0.21, 0.53
Vitreous hemorrhage
1.000
Absent
21 (100%)
0.49 ± 0.50
0.26, 0.72
Number of retinal breaks
0.269
1
13 (62%)
0.52 ± 0.37
0.30, 0.75
2
3 (14%)
0.08 ± 0.28
−0.60, 0.76
3
0 (0%)
NA
NA
4
2 (10%)
0.38 ± 0.46
−3.77, 4.52
5-
3 (14%)
0.83 ± 1.02
−1.71, 3.37
Location of the largest break
0.366
Superotemporal
13 (62%)
0.55 ± 0.60
0.19, 0.91
Inferotemporal
2 (10%)
0.76 ± 0.09
−0.03, 1.56
Superonasal
1 (5%)
0.4
NA
Inferonasal
5 (24%)
0.23 ± 0.18
0.01, 0.45
Proliferative viteroretinopathy
1.000
Grade B
21 (100%)
0.49 ± 0.50
0.26, 0.72
Concurrent cataract surgery
1.000
Absent
21 (100%)
0.49 ± 0.50
0.26, 0.72
Location of scleral buckle
0.887
Encircling
18 (86%)
0.50 ± 0.54
0.23, 0.77
Segmental
3 (14%)
0.44 ± 0.24
−0.16, 1.04
Intraocular tamponade
0.883
SF6
12 (57%)
0.55 ± 0.62
0.13, 0.97
Silicone oil
9 (43%)
0.44 ± 0.36
0.17, 0.72
Removal of ILM
0.534
Present
3 (14%)
0.56 ± 0.36
−0.32, 1.44
Absent
18 (86%)
0.48 ± 0.53
0.22, 0.74
Use of triamcinolone
0.771
Present
19 (90%)
0.51 ± 0.52
0.26, 0.76
Absent
2 (10%)
0.31 ± 0.12
−0.81, 1.43
Use of perfluorocarbon liquid
1.000
Present
13 (62%)
0.52 ± 0.59
0.16, 0.88
Absent
8 (38%)
0.44 ± 0.34
0.16, 0.73
Postoperative complications
0.093
Present
1 (5%)
1.85
NA
Absent
20 (95%)
0.41 ± 0.37
0.21, 0.54
BCVA: best-corrected visual acuity. LogMAR: logarithm of minimal angle of resolution. SD: standard deviation. CI: confidence interval. RRD: rhegmatogenous retinal detachment. NA, not applicable; SF6, sulfur hexafluoride. ILM, internal limiting membrane. Mann–Whitney test. Kruskal–Wallis test.
