Journal of refractive surgery (Thorofare, N.J. : 1995) · 2022
Influences of SMILE and FS-LASIK on Corneal Sub-basal Nerves: A Systematic Review and Network Meta-analysis.
СтатьяСистематический обзорNetwork Meta-AnalysisНазвание и аннотация: Перевод пока не подготовлен
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Jiang Xiaodan, Wang Yiren, Yuan Hao, Li Yuanting, Wang Hongmei, An Zhuoyu, Li Xuemin
Аннотация
PURPOSE: To compare postoperative corneal sub-basal nerve density and number between small incision lenticule extraction (SMILE) and femtosecond laser-assisted in situ keratomileusis (FS-LASIK).
METHODS: A search was made in PubMed, EMBASE, and the Cochrane library for prospective comparative studies. The analysis was divided into two parts: network meta-analysis and traditional meta-analysis of the studies directly comparing two surgical groups. Stata 16 (Stata Corporation) and Rev-Man 5.4 (Cochrane) software were used to analyze the data.
RESULTS: Twelve studies (n = 775) were included. In the network meta-analysis, the SMILE group showed a significant increase compared with the FS-LASIK group in corneal nerve density at 1 month postoperatively (mean: 4.23; 95% CI: 0.06 to 8.39, P < .05), and in the number of corneal nerve trunks at 6 months postoperatively (mean: 13.25; 95% CI: 10.20 to 16.30, P < .05). In the traditional meta-analysis, the SMILE group showed significant improvement compared with the FS-LASIK group in corneal nerve density at 1 (weighted mean difference [WMD]: -2.05, 95% CI: -3.11 to -1.00, P < .05) and 3 (WMD: -0.90, 95% CI: -1.30 to -0.50, P < .05) months postoperatively, and in the number of corneal nerve trunks (WMD: -2.52, 95% CI: -4.91 to -0.14, P < .05) and corneal nerve branches (WMD: -2.80, 95% CI: -3.41 to -2.19, P < .05) at 1 month postoperatively.
CONCLUSIONS: The corneal nerve injury in the FS-LASIK group was worse than that in the SMILE group. The corneal nerve recovery in the SMILE group was better at 3 months postoperatively. However, there was no significant difference in corneal nerve density and number between the two groups at 6 months postoperatively. [J Refract Surg. 2022;38(4):277-284.].
METHODS: A search was made in PubMed, EMBASE, and the Cochrane library for prospective comparative studies. The analysis was divided into two parts: network meta-analysis and traditional meta-analysis of the studies directly comparing two surgical groups. Stata 16 (Stata Corporation) and Rev-Man 5.4 (Cochrane) software were used to analyze the data.
RESULTS: Twelve studies (n = 775) were included. In the network meta-analysis, the SMILE group showed a significant increase compared with the FS-LASIK group in corneal nerve density at 1 month postoperatively (mean: 4.23; 95% CI: 0.06 to 8.39, P < .05), and in the number of corneal nerve trunks at 6 months postoperatively (mean: 13.25; 95% CI: 10.20 to 16.30, P < .05). In the traditional meta-analysis, the SMILE group showed significant improvement compared with the FS-LASIK group in corneal nerve density at 1 (weighted mean difference [WMD]: -2.05, 95% CI: -3.11 to -1.00, P < .05) and 3 (WMD: -0.90, 95% CI: -1.30 to -0.50, P < .05) months postoperatively, and in the number of corneal nerve trunks (WMD: -2.52, 95% CI: -4.91 to -0.14, P < .05) and corneal nerve branches (WMD: -2.80, 95% CI: -3.41 to -2.19, P < .05) at 1 month postoperatively.
CONCLUSIONS: The corneal nerve injury in the FS-LASIK group was worse than that in the SMILE group. The corneal nerve recovery in the SMILE group was better at 3 months postoperatively. However, there was no significant difference in corneal nerve density and number between the two groups at 6 months postoperatively. [J Refract Surg. 2022;38(4):277-284.].