研究目的
To compare the efficiency and safety of two phacoemulsification systems, the Infiniti with intelligent phacoemulsification (IP) and the Centurion without IP, in terms of intraoperative metrics of phacoemulsification and the occurrences of adverse events and intraoperative tip obstruction.
研究成果
Compared to the Infiniti with IP mode, cataract surgery with the Centurion without IP mode is likely to be performed with less phacoemulsification energy and higher efficiency.
研究不足
First, it was a consecutive case series study, and although the same surgeon performed all of the surgeries, the two methods were not randomized and were examined over different durations. Second, the number of total eyes was limited, and the numbers of eyes with grade 2 and 4 cataracts were small.
1：Experimental Design and Method Selection:
A comparative case series study was performed to investigate the intraoperative metrics with the Infiniti with IP mode and the Centurion without IP mode under pure torsional power.
2：Sample Selection and Data Sources:
A consecutive series of 340 eyes (151 eyes with the Infiniti, 189 eyes with the Centurion) was evaluated.
3：List of Experimental Equipment and Materials:
Infiniti? Vision System platform (Alcon Laboratories, Inc., Fort Worth, TX, USA) and Centurion? Vision System platform (Alcon Laboratories, Inc.).
4：Experimental Procedures and Operational Workflow:
Phacoemulsification of the nucleus was performed using the phaco chop technique, with the IP function of the Infiniti turned on and the IP mode of the Centurion turned off.
5：Data Analysis Methods:
The Shapiro-Wilk test was used to evaluate the normality of the populations. A nonparametric procedure was used to compare the distributions of the data between the two groups using the Mann-Whitney U test.
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