Surgical Outcomes of Rhegmatogenous Retinal Detachment with Different Peripheral Vitreous-Shaving Procedures

Figures & data

Figure 1 Vitreous shaving with ocular indentation under slit lamp microscope illumination.

Figure 2 Vitreous shaving with ocular indentation under a wide-angle noncontact viewing system using chandelier endoillumination.

Table 1 Patient Demographics of Preoperative and Intraoperative Ophthalmologic Findings, and Comparison of Surgical Outcomes After RD Treatment Between Group A and Group B

	Group A N = 146	Group B N = 123	P value
Age	63.3 ± 9.7	62.1 ± 10.5	0.278
Sex (female)	47 (32.2%)	33 (26.8%)	0.352
Laterality (right)	89 (61.0%)	90 (73.2%)	0.038
Time to surgery (week)	1.269 ± 0.463	1.317 ± 0.484	0.448
Number of retinal breaks	1.7 ± 1.1	2.1 ± 1.4	0.01
Quadrant of RD	1.7 ± 0.7	1.9 ± 0.8	0.016
Lower retinal break	41 (28.1%)	36 (29.3%)	0.893
Macular status (macula off)	68 (46.6%)	72 (58.5%)	0.066
Lens status (phakia)	114 (78.1%)	97 (78.9%)	1
Surgical time (min)	60.2 ± 17.1	46.9 ± 12.6	<0.001
Surgical success	142 (97.3%)	120 (97.6%)	0.893

Notes: Group A: vitreous shaving was performed under slit lamp microscope illumination with an ocular indentation. Group B: vitreous shaving was performed under a wide-angle noncontact viewing system using chandelier endoillumination with an ocular indentation.

Abbreviation: RD, retinal detachment.

Table 2 Univariate and Multiple Regression Analysis of the Surgical Time and Clinical Variables in All Cases in This Study

Independent Variable	Univariate Analysis		Multivariate Analysis
	β^a	P value	β^a	P value
Age	−0.24	0.690
Sex (female)	0.19	0.753
Laterality (right)	−0.139	0.022	−0.92	0.088
Time to surgery	0.019	0.762
Number of retinal breaks	0.124	0.042	0.182	0.001
Quadrant of RD	0.161	0.008	0.205	<0.001
Lower retinal break	0.093	0.127
Macular status (macula off)	0.079	0.196
Lens status (phakia)	0.102	0.095
Shaving with the wide-angle noncontact viewing system	−0.401	<0.001	−0.447	<0.001

Notes: Adjusted R² = 0.248 for the surgical time in the multiple linear regression analysis (P < 0.05). ^aStandard partial regression coefficient.

Abbreviation: RD, retinal detachment.