Background:A European web-based registry for refractive surgery was established in 2008;The European Registry of Quality Outcomes for Cataract and Refractive Surgery(EUREQUO).The aim of the registry was to improve tre...Background:A European web-based registry for refractive surgery was established in 2008;The European Registry of Quality Outcomes for Cataract and Refractive Surgery(EUREQUO).The aim of the registry was to improve treatment and standards of care for refractive surgery.Further aims were to offer a tool for benchmarking by establishing a reference database and for surgeons to enter and analyze their own outcomes.The purpose of this study was to characterize the registry and analyze the data collected during its first decade.Methods:The characteristics of the web-based registry are described.Data collected from February 4^(th) 2004 until June 30th 2014 are included in the analysis.The database is analyzed in terms of surgical technique,indications for surgery,complications,and refractive and visual outcomes.Results:Data have been reported from 47 centers in 14 countries until mid-2014.About 4,000 procedures were reported annually.The most frequent procedure was laser-assisted in-situ keratomileusis(LASIK)with 11697 reported surgeries.Over time in the database,LASIK declined(p<0.001)while photorefractive keratectomy(PRK)and refractive lens exchange(RLE)increased(p<0.001 for both procedures).The indications for surgery,in terms of preoperative refraction and age,were stable over time,for all types of procedures.Surgical complications were reported infrequently and with a well-known relationship to the type of surgical procedure.The reported refractive outcomes were good.The visual outcomes indicate a significant increase of visual acuity after high myopia treatment by phakic intraocular lens in the anterior(phakic IOL AC)and the posterior(phakic IOL PC)chamber and a poorer visual outcome,after both myopia and hyperopia treatment,by epithelial LASIK(Epi-LASIK).Conclusions:We describe the establishment of a European registry for refractive surgery.The database increases at a rate of approximately 4000 refractive procedures per year.The most frequent procedure is LASIK,but both PRK and RLE are an increasing part of the reported procedures.The indications for surgery have been stable over time.Surgical complications and visual outcome vary,depending on the type of surgery.展开更多
Background:The Swedish National Cataract Register(NCR)collects data on cataract surgery outcomes during March,including patient-reported outcomes using the Catquest-9SF questionnaire for over 11 years.Previous studies...Background:The Swedish National Cataract Register(NCR)collects data on cataract surgery outcomes during March,including patient-reported outcomes using the Catquest-9SF questionnaire for over 11 years.Previous studies from NCR have shown that the preoperative visual acuity has improved over time.The main purpose of this study was to evaluate the Catquest-9SF Rasch scoring performance in this changing environment.A second purpose was to describe clinical data over the same period for those who completed the questionnaire.Methods:The performance of the Catquest-9SF was analysed by a separate Rasch analysis for each year,resulting in a preoperative and postoperative score for each participating patient in the annual cohorts.The clinical data and questionnaire scoring were analysed for each year in the period 2008-2018 inclusive.Results:Data were available for 42,023 eyes for 11 annual cohorts(2008-2018).The psychometric properties of the questionnaire were stable during the study period.Person separation(precision)for the whole period was 2.58 and varied between 2.45 and 2.72.The person reliability was 0.87 and varied between 0.86 and 0.88.The targeting of question difficulty to person ability became less accurate over time meaning that the item activities became easier to carry out without difficulty.The average targeting for the whole period was−2.06 and changed from−1.92 in 2008 to−2.31 in 2018.The person score improved both before surgery and after surgery,indicating that patients are undergoing surgery at a more able level and getting better outcomes.The average improvement by surgery decreased from 3.41 logits in 2008 to 3.21 logits in 2018(p=0.003).Over time,patient age decreased from 75 to 74 years(p<0.001)and the proportion of women decreased from 63.9 to 57.9%(p<0.001).The mean preoperative visual acuity in both the operated eye and the better eye improved over time(0.47 to 0.40 logMAR,p<0.001 and 0.22 to 0.19 logMAR,p<0.001,respectively),as did the mean postoperative visual acuity in the operated eye(0.14 to 0.09 logMAR,p<0.001).Conclusions:The Catquest-9SF retained stable psychometric properties over this 11-year period although more recent cohorts included slightly younger patients with somewhat better vision.展开更多
Background:The Catquest-9SF questionnaire is a patient reported outcome measure that quantifies the visual benefits from cataract surgery.The purpose of this study was to translate and adapt the Catquest-9SF questionn...Background:The Catquest-9SF questionnaire is a patient reported outcome measure that quantifies the visual benefits from cataract surgery.The purpose of this study was to translate and adapt the Catquest-9SF questionnaire for France,to assess its psychometric properties via Rasch analysis,and to assess its validity when completed using an electronic notepad.Methods:The Catquest-9SF questionnaire was translated following the guidelines of the International Society for Pharmacoeconomics and Outcomes Research.Catquest-9SF and clinical data were collected from patients before and after routine cataract surgery.All questionnaire data were collected via an electronic notepad.Rasch analysis was performed to assess psychometric properties,and sensitivity to change was analysed for patients with complete paired pre-and post-operative questionnaires.Results:A complete filled-in preoperative questionnaire was obtained for 848 patients.Rasch analysis showed good precision(person separation:2.32,person reliability:0.84),ordered category probability curves,no item misfit,and unidimensionality.The respondents were slightly more able than the level of item difficulty(targeting:−1.12 logits).Sensitivity was analysed on 211 paired questionnaires,and the postoperative questionnaires showed a clear ceiling effect.The effect size was 2.6.The use of an electronic notepad for completing the questionnaire worked out very well after some adjustments.Conclusions:The French version of Catquest-9SF has good psychometric properties and is suitable for use in French-speaking patients.The use of the Catquest-9SF questionnaire in an electronic format showed good validity.展开更多
文摘Background:A European web-based registry for refractive surgery was established in 2008;The European Registry of Quality Outcomes for Cataract and Refractive Surgery(EUREQUO).The aim of the registry was to improve treatment and standards of care for refractive surgery.Further aims were to offer a tool for benchmarking by establishing a reference database and for surgeons to enter and analyze their own outcomes.The purpose of this study was to characterize the registry and analyze the data collected during its first decade.Methods:The characteristics of the web-based registry are described.Data collected from February 4^(th) 2004 until June 30th 2014 are included in the analysis.The database is analyzed in terms of surgical technique,indications for surgery,complications,and refractive and visual outcomes.Results:Data have been reported from 47 centers in 14 countries until mid-2014.About 4,000 procedures were reported annually.The most frequent procedure was laser-assisted in-situ keratomileusis(LASIK)with 11697 reported surgeries.Over time in the database,LASIK declined(p<0.001)while photorefractive keratectomy(PRK)and refractive lens exchange(RLE)increased(p<0.001 for both procedures).The indications for surgery,in terms of preoperative refraction and age,were stable over time,for all types of procedures.Surgical complications were reported infrequently and with a well-known relationship to the type of surgical procedure.The reported refractive outcomes were good.The visual outcomes indicate a significant increase of visual acuity after high myopia treatment by phakic intraocular lens in the anterior(phakic IOL AC)and the posterior(phakic IOL PC)chamber and a poorer visual outcome,after both myopia and hyperopia treatment,by epithelial LASIK(Epi-LASIK).Conclusions:We describe the establishment of a European registry for refractive surgery.The database increases at a rate of approximately 4000 refractive procedures per year.The most frequent procedure is LASIK,but both PRK and RLE are an increasing part of the reported procedures.The indications for surgery have been stable over time.Surgical complications and visual outcome vary,depending on the type of surgery.
基金This study was financed by the Swedish Association of Local Authorities and Regions.
文摘Background:The Swedish National Cataract Register(NCR)collects data on cataract surgery outcomes during March,including patient-reported outcomes using the Catquest-9SF questionnaire for over 11 years.Previous studies from NCR have shown that the preoperative visual acuity has improved over time.The main purpose of this study was to evaluate the Catquest-9SF Rasch scoring performance in this changing environment.A second purpose was to describe clinical data over the same period for those who completed the questionnaire.Methods:The performance of the Catquest-9SF was analysed by a separate Rasch analysis for each year,resulting in a preoperative and postoperative score for each participating patient in the annual cohorts.The clinical data and questionnaire scoring were analysed for each year in the period 2008-2018 inclusive.Results:Data were available for 42,023 eyes for 11 annual cohorts(2008-2018).The psychometric properties of the questionnaire were stable during the study period.Person separation(precision)for the whole period was 2.58 and varied between 2.45 and 2.72.The person reliability was 0.87 and varied between 0.86 and 0.88.The targeting of question difficulty to person ability became less accurate over time meaning that the item activities became easier to carry out without difficulty.The average targeting for the whole period was−2.06 and changed from−1.92 in 2008 to−2.31 in 2018.The person score improved both before surgery and after surgery,indicating that patients are undergoing surgery at a more able level and getting better outcomes.The average improvement by surgery decreased from 3.41 logits in 2008 to 3.21 logits in 2018(p=0.003).Over time,patient age decreased from 75 to 74 years(p<0.001)and the proportion of women decreased from 63.9 to 57.9%(p<0.001).The mean preoperative visual acuity in both the operated eye and the better eye improved over time(0.47 to 0.40 logMAR,p<0.001 and 0.22 to 0.19 logMAR,p<0.001,respectively),as did the mean postoperative visual acuity in the operated eye(0.14 to 0.09 logMAR,p<0.001).Conclusions:The Catquest-9SF retained stable psychometric properties over this 11-year period although more recent cohorts included slightly younger patients with somewhat better vision.
文摘Background:The Catquest-9SF questionnaire is a patient reported outcome measure that quantifies the visual benefits from cataract surgery.The purpose of this study was to translate and adapt the Catquest-9SF questionnaire for France,to assess its psychometric properties via Rasch analysis,and to assess its validity when completed using an electronic notepad.Methods:The Catquest-9SF questionnaire was translated following the guidelines of the International Society for Pharmacoeconomics and Outcomes Research.Catquest-9SF and clinical data were collected from patients before and after routine cataract surgery.All questionnaire data were collected via an electronic notepad.Rasch analysis was performed to assess psychometric properties,and sensitivity to change was analysed for patients with complete paired pre-and post-operative questionnaires.Results:A complete filled-in preoperative questionnaire was obtained for 848 patients.Rasch analysis showed good precision(person separation:2.32,person reliability:0.84),ordered category probability curves,no item misfit,and unidimensionality.The respondents were slightly more able than the level of item difficulty(targeting:−1.12 logits).Sensitivity was analysed on 211 paired questionnaires,and the postoperative questionnaires showed a clear ceiling effect.The effect size was 2.6.The use of an electronic notepad for completing the questionnaire worked out very well after some adjustments.Conclusions:The French version of Catquest-9SF has good psychometric properties and is suitable for use in French-speaking patients.The use of the Catquest-9SF questionnaire in an electronic format showed good validity.
