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Preoperative Vision and Surgeon Volume as Predictors of Visual Outcomes after Cataract Surgery.
Ophthalmology ( IF 13.7 ) Pub Date : 2018-10-25 , DOI: 10.1016/j.ophtha.2018.10.030
Bobeck S Modjtahedi 1 , Michaela M Hull 2 , John L Adams 2 , Stephen J Munz 3 , Tiffany Q Luong 4 , Donald S Fong 1
Affiliation  

PURPOSE To evaluate the relationship between preoperative vision and surgeon volume with visual outcomes after cataract surgery. DESIGN Retrospective cohort study. PARTICIPANTS Patients aged ≥18 years old enrolled in the Kaiser Permanente Southern California Health Plan who underwent cataract surgery by nontrainee surgeons. METHODS Patients who underwent cataract surgery between January 1, 2013 and December 31, 2015, were included. A multivariate analysis using Generalized Additive Mixed Models was performed to determine the relationship between surgeon volume and postoperative visual acuity after controlling for patient age, preoperative visual acuity, history of diabetes, and history of diabetic retinopathy. Modeling was done for the relationship between preoperative vision and visual outcomes while controlling for surgeon volume, patient age, history of diabetes, and history of diabetic retinopathy. MAIN OUTCOME MEASURE Absolute letter change and percentage of patients to achieve ≥5 Early Treatment Diabetic Retinopathy Study (ETDRS) letter gain postoperatively. RESULTS There were 103 920 cataract surgeries performed by 136 surgeons included in this analysis. Patients whose surgeons performed <91.0 surgeries/year (95% confidence interval [CI], 61.1-139; P < 0.05) gained fewer letters postoperatively than the overall average, whereas those whose surgeons performed >91 but <227 surgeries/year (95% CI, 169-∞; P < 0.05) gained more letters than average. Although statistically significant, the difference between the lowest and highest performing surgeons was approximately 1.25 letters. Surgeons who performed <110 surgeries/year (95% CI, 81.7-149; P < 0.05) had fewer patients who gained ≥5 letters. Surgeons who performed >110 but <293 surgeries/year (95% CI, 232-∞; P < 0.05) were approximately 15% more likely to have patients who gained ≥5 letters. Patients with preoperative vision <74.7 letters (95% CI, 74.7-74.8; P < 0.05) and <75.8 letters (95% CI, 75.8-75.9; P < 0.05) gained more letters and were more likely to gain ≥5 letters postoperatively, respectively. CONCLUSIONS Patients whose vision is approximately 20/32 or worse are more likely to have significant visual gains after cataract surgery. Although statistically significant differences exist in postoperative vision based on surgeon volume, these do not appear to be clinically meaningful. Overall, visual outcomes are functionally comparable across a wide range of surgeon volumes.

中文翻译:

白内障手术后视力结果的术前视力和手术量。

目的评估白内障手术后术前视力和手术量与视力结果之间的关系。设计回顾性队列研究。参与者≥18岁的患者参加了由非实习医生进行的白内障手术的南加州凯撒永久健康计划。方法纳入2013年1月1日至2015年12月31日接受白内障手术的患者。在控制患者年龄,术前视力,糖尿病史和糖尿病性视网膜病史后,使用广义加性混合模型进行了多变量分析,以确定外科医生量与术后视力之间的关系。对术前视力和视觉效果之间的关系进行了建模,同时控制了外科医生的体型,患者年龄,糖尿病史和糖尿病性视网膜病史。主要观察指标术后绝对字母变化和达到≥5的早期治疗糖尿病性视网膜病研究(ETDRS)字母的患者百分比。结果本分析包括136位外科医生进行的103 920例白内障手术。外科医生每年进行<91.0次手术(95%置信区间[CI],61.1-139; P <0.05)的患者术后获得的信件少于总体平均水平,而外科医生每年进行> 91但<227例手术的患者(95 %CI,169-∞; P <0.05)获得的字母多于平均值。尽管具有统计学意义,但最低和最高性能的外科医生之间的差约为1.25个字母。每年执行<110次外科手术的外科医生(95%CI,81.7-149; P <0。05)获得≥5个字母的患者较少。每年执行> 110次但<293次外科手术的外科医生(95%CI,232-∞; P <0.05)接受≥5个字母的患者的可能性要高出约15%。术前视力<74.7个字母(95%CI,74.7-74.8; P <0.05)和<75.8个字母(95%CI,75.8-75.9; P <0.05)的患者获得更多的字母,并且术后获得≥5个字母的可能性更高, 分别。结论白内障手术后,视力约为20/32或更差的患者更有可能获得明显的视力提高。尽管根据外科医生的体积,术后视力存在统计学上的显着差异,但这些差异在临床上似乎没有意义。总体而言,视觉效果在各种外科医生量上在功能上都是可比的。每年执行> 110次但<293次外科手术的外科医生(95%CI,232-∞; P <0.05)接受≥5个字母的患者的可能性高出约15%。术前视力<74.7个字母(95%CI,74.7-74.8; P <0.05)和<75.8个字母(95%CI,75.8-75.9; P <0.05)的患者获得更多的字母,并且术后获得≥5个字母的可能性更高, 分别。结论白内障手术后,视力约为20/32或更差的患者更有可能获得明显的视力提高。尽管根据外科医生的体积,术后视力存在统计学上的显着差异,但这些差异在临床上似乎没有意义。总体而言,视觉结果在各种外科医生体量上在功能上均具有可比性。每年执行> 110次但<293次外科手术的外科医生(95%CI,232-∞; P <0.05)接受≥5个字母的患者的可能性要高出约15%。术前视力<74.7个字母(95%CI,74.7-74.8; P <0.05)和<75.8个字母(95%CI,75.8-75.9; P <0.05)的患者获得更多的字母,并且术后获得≥5个字母的可能性更高, 分别。结论白内障手术后,视力约为20/32或更差的患者更有可能获得明显的视力提高。尽管根据外科医生的体积,术后视力存在统计学上的显着差异,但这些差异在临床上似乎没有意义。总体而言,视觉结果在各种外科医生量上在功能上都是可比的。05)获得≥5个字母的患者的可能性要高出约15%。术前视力<74.7个字母(95%CI,74.7-74.8; P <0.05)和<75.8个字母(95%CI,75.8-75.9; P <0.05)的患者获得更多的字母,并且术后获得≥5个字母的可能性更高, 分别。结论白内障手术后,视力约为20/32或更差的患者更有可能获得明显的视力提高。尽管根据外科医生的体积,术后视力存在统计学上的显着差异,但这些差异在临床上似乎没有意义。总体而言,视觉结果在各种外科医生量上在功能上都是可比的。05)获得≥5个字母的患者的可能性要高出约15%。术前视力<74.7个字母(95%CI,74.7-74.8; P <0.05)和<75.8个字母(95%CI,75.8-75.9; P <0.05)的患者获得更多的字母,并且术后获得≥5个字母的可能性更高, 分别。结论白内障手术后,视力约为20/32或更差的患者更有可能获得明显的视力提高。尽管根据外科医生的体积,术后视力存在统计学上的显着差异,但这些似乎在临床上没有意义。总体而言,视觉结果在各种外科医生体量上在功能上均具有可比性。术后分别有8个字母(95%CI,75.8-75.9; P <0.05)获得更多字母,并且更有可能获得≥5个字母。结论白内障手术后,视力约为20/32或更差的患者更有可能获得明显的视力提高。尽管根据外科医生的体积,术后视力存在统计学上的显着差异,但这些似乎在临床上没有意义。总体而言,视觉结果在各种外科医生体量上在功能上均具有可比性。术后分别有8个字母(95%CI,75.8-75.9; P <0.05)获得更多字母,并且更有可能获得≥5个字母。结论白内障手术后,视力约为20/32或更差的患者更有可能获得明显的视力提高。尽管根据外科医生的体积,术后视力存在统计学上的显着差异,但这些差异在临床上似乎没有意义。总体而言,视觉结果在各种外科医生量上在功能上都是可比的。尽管根据外科医生的体积,术后视力在统计学上存在显着差异,但这些差异在临床上似乎没有意义。总体而言,视觉结果在各种外科医生体量上在功能上均具有可比性。尽管根据外科医生的体积,术后视力存在统计学上的显着差异,但这些差异在临床上似乎没有意义。总体而言,视觉结果在各种外科医生量上在功能上都是可比的。
更新日期:2018-10-25
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