Scleral buckling for primary rhegmatogenous retinal detachment using noncontact wide-angle viewing system with a cannula-based 25 G chandelier endoilluminator

Figures & data

Table 1 Perioperative demographic data for the patients

Characteristics
No of eyes	79
Sex (n), men/women	50/29
Age (years), mean ± SD	43.7±16.0
Preoperative visual acuity (logMAR), mean ± SD	0.31±0.65
Visual acuity at the last visit (logMAR), mean ± SD	0.10±0.31
Follow-up period (months), mean ± SD	11.8±6.9
No of surgeries, HI/MT	60/19
Initial anatomical success, n (%)	73 (92.4)
Final anatomical success, n (%)	79 (100)
Lens status, phakic/pseudophakic/aphakic (n)	75/3/1
No of breaks, mean ± SD	1.5±0.8
Location of breaks, superior/inferior/undetectable (n)	50/27/2
Quadrant of retinal detachment, 1/2/3/4 (n)	7/21/32/19
Macular detachment, macular on/macular off (n)	43/36
External subretinal fluid drainage, performed/not performed (n)	53/26
Scleral buckling procedure, segmental/360° circumferential (n)	21/58
Buckling material, #503/#506/#506G/#287 (n)	1/13/9/56
Mean operative time (minutes), mean ± SD	100.3±31.3

Note: Numbers in parentheses are percentages.

Abbreviations: n, number; SD, standard deviation.

Table 2 Details on patients with surgical complications

Complication	No of eyes	Second treatment
Details on patients with intraoperative complications
Limited choroidal hemorrhage at the drainage site	5	Additional cryoretinopexy
Retinal break	1	Additional cryoretinopexy and adjustment of buckling position
Lens touch	1	Observation
Details on patients with postoperative complications
Retinal redetachment	6	25GPPV + SF6 tamponade
Secondary glaucoma	1	TLE and ablation of silicone band
Cataract progression	1	PEA + IOL

Abbreviations: 25GPPV, 25 G pars plana vitrectomy; SF6, sulfur hexafluoride; TLE, trabeculectomy; PEA, phacoemulsification aspiration; IOL, intraocular lens.

Table 3 Analysis for the establishment of the relationships between explanatory variables and the primary anatomic success

Explanatory variables	Univariate analysis	Multiple regression analysis
	P-value	P-value	OR (95% CI)
Sex	0.19	0.13	3.97 (0.66–23.92)
Age	0.86	NE
Preoperative visual acuity	0.83	NE
Visual acuity at the last visit	0.87	NE
Follow-up period	0.69	NE
Primary surgeon	0.15	Not included in the model
Lens status	0.23	NE
No of breaks	0.60	NE
Location of breaks	0.23	NE
Quadrant of retinal detachment	0.08	Not included in the model
Macular status	1	NE
External subretinal fluid drainage	0.66	NE
Scleral buckling procedure	0.33	NE
Buckling material	0.41	NE
Operative time	0.15	0.16	0.98 (0.95–1.01)

Abbreviations: OR, odds ratio; CI, confidence interval; NE, not entered into multiple regression analysis.