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Kang C, Lee MJ, Chomsky A, Oetting TA, Greenberg PB. Risk factors for complications in resident-performed cataract surgery: A systematic review. Surv Ophthalmol 2024; 69:638-645. [PMID: 38648911 DOI: 10.1016/j.survophthal.2024.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/02/2024] [Accepted: 04/08/2024] [Indexed: 04/25/2024]
Abstract
We assessed risk factors for complications associated with resident-performed cataract surgery. Using the Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines, we searched 4databases in September, 2023. We included peer-reviewed, full-text, English-language articles assessing risk factors for complications in resident performed cataract surgery. We excluded studies describing cataract surgeries performed by fellows, combined surgeries, and studies with insufficient information. Our initial search yielded 6244 articles; 15 articles were included after title/abstract and full-text review. Patient-related risk factors included older age, hypertension, prior vitrectomy, zonular pathology, pseudoexfoliation, poor preoperative visual acuity, small pupils, and selected types of cataracts. Surgeon-related risk factors included resident postgraduate year and surgeon right-handedness. Other risk factors included absence of supervision, long phacoemulsification time, and phacoemulsification with high power and torsion. The quality of the studies was assessed using the Grading of Recommendations, Assessment, Development, and Evaluation; most studies graded as moderate, primarily due to risk of bias. When assigning cases to residents, graduate medical educators should consider general and resident-specific risk factors to facilitate teaching and preserve patient safety.
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Affiliation(s)
- Chaerim Kang
- Program in Liberal Medical Education, Brown University, Providence, RI, USA; Division of Ophthalmology, Alpert Medical School, Brown University, Providence, RI, USA
| | - Matthew J Lee
- Division of Ophthalmology, Alpert Medical School, Brown University, Providence, RI, USA
| | - Amy Chomsky
- Department of Ophthalmology and Visual Sciences, Vanderbilt University, Nashville, TN, USA; Section of Ophthalmology, VA Tennessee Valley Healthcare System, Nashville, TN, USA
| | - Thomas A Oetting
- Department of Ophthalmology and Visual Sciences, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Paul B Greenberg
- Division of Ophthalmology, Alpert Medical School, Brown University, Providence, RI, USA; Section of Ophthalmology, VA Providence Healthcare System, Providence, RI, USA.
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Triepels RJMA, Segers MHM, Rosen P, Nuijts RMMA, van den Biggelaar FJHM, Henry YP, Stenevi U, Tassignon MJ, Young D, Behndig A, Lundström M, Dickman MM. Development of machine learning models to predict posterior capsule rupture based on the EUREQUO registry. Acta Ophthalmol 2023. [PMID: 36789777 DOI: 10.1111/aos.15648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/23/2023] [Accepted: 01/31/2023] [Indexed: 02/16/2023]
Abstract
PURPOSE To evaluate the performance of different probabilistic classifiers to predict posterior capsule rupture (PCR) prior to cataract surgery. METHODS Three probabilistic classifiers were constructed to estimate the probability of PCR: a Bayesian network (BN), logistic regression (LR) model, and multi-layer perceptron (MLP) network. The classifiers were trained on a sample of 2 853 376 surgeries reported to the European Registry of Quality Outcomes for Cataract and Refractive Surgery (EUREQUO) between 2008 and 2018. The performance of the classifiers was evaluated based on the area under the precision-recall curve (AUPRC) and compared to existing scoring models in the literature. Furthermore, direct risk factors for PCR were identified by analysing the independence structure of the BN. RESULTS The MLP network predicted PCR overall the best (AUPRC 13.1 ± 0.41%), followed by the BN (AUPRC 8.05 ± 0.39%) and the LR model (AUPRC 7.31 ± 0.15%). Direct risk factors for PCR include preoperative best-corrected visual acuity (BCVA), year of surgery, operation type, anaesthesia, target refraction, other ocular comorbidities, white cataract, and corneal opacities. CONCLUSIONS Our results suggest that the MLP network performs better than existing scoring models in the literature, despite a relatively low precision at high recall. Consequently, implementing the MLP network in clinical practice can potentially decrease the PCR rate.
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Affiliation(s)
- Ron J M A Triepels
- Department of Data Analytics and Digitalisation, Maastricht University, Maastricht, the Netherlands
| | - Maartje H M Segers
- University Eye Clinic, Maastricht University Medical Center+, Maastricht, the Netherlands
| | - Paul Rosen
- Department of Ophthalmology, Oxford Eye Hospital, Oxford, UK
| | - Rudy M M A Nuijts
- University Eye Clinic, Maastricht University Medical Center+, Maastricht, the Netherlands
| | | | - Ype P Henry
- Department of Ophthalmology, Amsterdam UMC, Amsterdam, the Netherlands
| | - Ulf Stenevi
- Department of Ophthalmology, Sahlgrenska University Hospital, Göteborg, Sweden
| | | | - David Young
- Department of Mathematics and Statistics, University of Strathclyde, Glasgow, UK
| | - Anders Behndig
- Department of Clinical Sciences, Ophthalmology, Umeå University, Umeå, Sweden
| | - Mats Lundström
- Department of Clinical Sciences, Ophthalmology, Lund University, Lund, Sweden
| | - Mor M Dickman
- University Eye Clinic, Maastricht University Medical Center+, Maastricht, the Netherlands
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Segers MHM, Behndig A, van den Biggelaar FJHM, Brocato L, Henry YP, Nuijts RMMA, Rosen P, Tassignon MJ, Young D, Stenevi U, Lundström M, Dickman MM. Risk factors for posterior capsule rupture in cataract surgery as reflected in the European Registry of Quality Outcomes for Cataract and Refractive Surgery. J Cataract Refract Surg 2022; 48:51-55. [PMID: 34074994 DOI: 10.1097/j.jcrs.0000000000000708] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 05/26/2021] [Indexed: 11/25/2022]
Abstract
PURPOSE To analyze the incidence and risk factors for posterior capsule rupture (PCR) in cataract surgery. SETTING European clinics affiliated with the European Registry of Quality Outcomes for Cataract and Refractive Surgery (EUREQUO). DESIGN Retrospective cross-sectional register-based study. METHODS Data were obtained from the EUREQUO. The database contains data on demographics, comorbidities, and intraoperative complications, including PCR for the study period from January 1, 2008, to December 31, 2018. Univariate and multivariate logistic regression analyses were performed to estimate the (adjusted) odds ratio (OR) and 95% confidence intervals (CIs). RESULTS We analyzed EUREQUO registry data of 2,853,376 patients, and 31,749 (1.1%) cataract surgeries were complicated by a PCR. Data were available of 2 853 376 patients, and 31 749 (1.1%) cataract surgeries were complicated by a PCR. The PCR rate ranged from 0.60% to 1.65% throughout the years, with a decreasing trend (P < .001). The mean age of the PCR cohort was 74.8 ± 10.5 years, and 17 29 (55.5%) patients were female. Risk factors most significantly associated with PCR were corneal opacities (OR 3.21, 95% CI, 3.02-3.41, P < .001), diabetic retinopathy (OR 2.74, 95% CI, 2.59-2.90, P < .001), poor preoperative visual acuity (OR 1.98, 95% CI, 1.88-2.07, P < .001), and white cataract (OR 1.87, 95% CI, 1.72-2.03, P < .001). CONCLUSIONS Risk factors for PCR were identified based on the EUREQUO, and the incidence of this complication is decreasing over time.
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Affiliation(s)
- Maartje H M Segers
- From the University Eye Clinic, Maastricht University Medical Center+, Maastricht, the Netherlands (Segers, van den Biggelaar, Nuijts, Dickman); Department of Clinical Sciences, Ophthalmology, Umeå University, Umeå, Sweden (Behndig); ESCRS, Dublin, Ireland (Brocato); Department of Ophthalmology, Amsterdam UMC, Amsterdam, the Netherlands (Henry); Department of Ophthalmology, Oxford Eye Hospital, Oxford, United Kingdom (Rosen); Department of Ophthalmology, Antwerp University Hospital, Antwerp, Belgium (Tassignon); Department of Mathematics and Statistics, University of Strathclyde, Glasgow, United Kingdom (Young); Department of Ophthalmology, Sahgrenska University Hospital, Mölndal, Sweden (Stenevi); Department of Clinical Sciences, Ophthalmology, Lund University, Lund, Sweden (Lundström)
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4
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Lanza M, Koprowski R, Boccia R, Krysik K, Sbordone S, Tartaglione A, Ruggiero A, Simonelli F. Application of Artificial Intelligence in the Analysis of Features Affecting Cataract Surgery Complications in a Teaching Hospital. Front Med (Lausanne) 2020; 7:607870. [PMID: 33363188 PMCID: PMC7759659 DOI: 10.3389/fmed.2020.607870] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 11/24/2020] [Indexed: 01/02/2023] Open
Abstract
Aims: To evaluate the ocular and systemic factors involved in cataract surgery complications in a teaching hospital using artificial intelligence. Methods: One eye of 1,229 patients with a mean age of 70.2 ± 10.3 years old that underwent cataract surgery was selected for this study. Ocular and systemic details of the patients were recorded and then analyzed by means of artificial intelligence. A total of 1.25 billion simulations of artificial intelligence learning and testing were conducted on several variables and a customized model of analysis was developed. Results: A total of 73 complications were recorded in this study. According to the analysis performed, the main factors involved in cataract surgery complications were: a surgeon in training, axial length and intraocular lens power. The model predicted how long surgery would last with an error of <6 min compared to the effective time needed. Conclusions: According to the data here obtained, artificial intelligence could be an interesting option to build customized models able to prevent complications and to predict actual surgery time. The customized algorithm option allows the development of better models adaptable to different units as well as the possibility to be calibrated for the same unit along time.
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Affiliation(s)
- Michele Lanza
- Multidisciplinary Department of Medical, Surgical and Dental Specialities, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Robert Koprowski
- Institute of Biomedical Engineering, Faculty of Science and Technology, University of Silesia in Katowice, Sosnowiec, Poland
| | - Rosa Boccia
- Multidisciplinary Department of Medical, Surgical and Dental Specialities, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Katarzyna Krysik
- Department of Ophthalmology with Pediatric Unit, St. Barbara Hospital, Trauma Center, Sosnowiec, Poland
| | - Sandro Sbordone
- Multidisciplinary Department of Medical, Surgical and Dental Specialities, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Antonio Tartaglione
- Multidisciplinary Department of Medical, Surgical and Dental Specialities, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Adriano Ruggiero
- Multidisciplinary Department of Medical, Surgical and Dental Specialities, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Francesca Simonelli
- Multidisciplinary Department of Medical, Surgical and Dental Specialities, University of Campania Luigi Vanvitelli, Naples, Italy
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Aaronson A, Viljanen A, Kanclerz P, Grzybowski A, Tuuminen R. Cataract complications study: an analysis of adverse effects among 14,520 eyes in relation to surgical experience. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1541. [PMID: 33313286 PMCID: PMC7729371 DOI: 10.21037/atm-20-845] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background To evaluate the learning-curve in performing cataract surgery with respect to developments in technology and different teaching strategies by comparing the incidence of capsular bag-related complications to operator experience. Methods A review of the registry of 14,520 cataract surgeries carried out at the Ophthalmology Unit of Kymenlaakso Central Hospital, Kotka, Finland, from August 8, 2009 to July 31, 2017. Results We identified 144 cases with posterior capsule rupture and/or loss of capsular bag support (incidence 0.99% of all surgeries). The mean age of patients was 76.9±9.1 years and gender distribution ratio 29:71 male:female. Pseudoexfoliation syndrome (PXF; incidence 21%) and small pupil (incidence 14%) were over-represented in complication eyes, especially at the beginning of the study. Capsular bag-related complication rates were reported in 0.36% of surgeries for senior and 7.03% for resident surgeons at the beginning of the study, compared to 0.32% and 1.32%, respectively, at the end of the study. Best-corrected visual acuity at the final post-operative visit was 0.61±0.16 decimals at the beginning of the study, and 0.81±0.19 decimals at the end of the study. The mean number of post-operative visits was 4.3±2.7 and did not show trend over the study period. Conclusions Real-world evidence suggests PXF and small pupil as significant risk factors in cataract surgery. A gradual decline in the rate complications was noted with increasing surgical experience, also among residents over the follow-up period.
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Affiliation(s)
- Alexander Aaronson
- Helsinki Retina Research Group, University of Helsinki, Helsinki, Finland.,Department of Ophthalmology, Helsinki University Hospital, Helsinki, Finland
| | - Antti Viljanen
- Medical Faculty, University of Turku, Turku, Finland.,Medilaser and Coronaria, Cor Group, Finland
| | | | - Andrzej Grzybowski
- Department of Ophthalmology, University of Warmia and Mazury, Olsztyn, Poland.,Institute for Research in Ophthalmology, Foundation for Ophthalmology Development, Poznan, Poland
| | - Raimo Tuuminen
- Helsinki Retina Research Group, University of Helsinki, Helsinki, Finland.,Kymenlaakso Central Hospital, Unit of Ophthalmology, Kotka, Finland
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Zetterberg M, Kugelberg M, Nilsson I, Lundström M, Behndig A, Montan P. A Composite Risk Score for Capsule Complications Based on Data from the Swedish National Cataract Register: Relation to Surgery Volumes. Ophthalmology 2020; 128:364-371. [PMID: 32710994 DOI: 10.1016/j.ophtha.2020.07.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 07/09/2020] [Accepted: 07/16/2020] [Indexed: 02/02/2023] Open
Abstract
PURPOSE To investigate case mix in relation to capsule complication, possible associations between case mix and operation volume, and change in case mix over time. DESIGN Register-based study. PARTICIPANTS Swedish patients who underwent cataract surgery between 2007 and 2016. METHODS Demographics and data on ocular comorbidity, intraoperative difficulties, and capsule complications were registered from 2007 to 2016 and analyzed retrospectively in relation to coded data on individual surgeons' operation volume. Single factor analysis and logistic regression were performed, and a composite risk score was created. MAIN OUTCOME MEASURES Risk of capsule complication, given as adjusted and composite odds ratio in relation to cataract surgery volume. RESULTS Preoperative and intraoperative variables significantly associated with capsule complications were best-corrected visual acuity (BCVA) ≤0.1 (decimal, adjusted odds ratio [aOR], 1.82; P < 0.001); pseudoexfoliation (PEX) (aOR, 1.53; P < 0.001); sight-threatening ocular comorbidity other than age-related macular degeneration (AMD), diabetic retinopathy, glaucoma, or cornea guttata (aOR, 1.35; P = 0.006); use of Trypan blue (aOR, 1.76; P < 0.001); mechanical pupil dilation (aOR, 1.36; P = 0.024); and iris hooks at the rhexis margin (aOR, 6.99; P < 0.001). The composite risk score was 3.09 ± 6.40 (mean ± standard deviation) for patients with capsule complication and 1.28 ± 1.66 for uncomplicated procedures (P < 0.001). High-volume cataract surgeons (≥500 procedures yearly) had a significantly lower composite risk score (mean risk score ≤1.28; range, 1.01-2.02) compared with low- and medium-volume cataract surgeons (1.34 ± 0.56; range, 1.00-4.55 and 1.49 ± 0.58; range, 1.01-5.19), respectively. During the period 2007-2016, the proportion of patients aged >88 years, patients with BCVA ≤0.1, and patients with intraoperative difficulties decreased. CONCLUSIONS Case mix, as calculated from a composite risk score based on preoperative and intraoperative parameters registered in the National Cataract Register (NCR), may contribute to the decrease in capsule complications from 2007 to 2016 and the lower complication rate observed in cases managed by high-volume cataract surgeons.
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Affiliation(s)
- Madeleine Zetterberg
- Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden; Department of Ophthalmology, Sahlgrenska University Hospital, Mölndal, Sweden.
| | - Maria Kugelberg
- Department of Clinical Neuroscience, Division of Ophthalmology and Vision, Karolinska Institute, Stockholm, Sweden; St Erik Eye Hospital, Stockholm, Sweden
| | - Ingela Nilsson
- Capio Medocular AB, Malmö, Department of Clinical Sciences/Ophthalmology, Malmö, Sweden
| | - Mats Lundström
- EyeNet Sweden, Blekinge Hospital, Karlskrona, Sweden; Faculty of Medicine, Lund University, Lund, Sweden
| | - Anders Behndig
- EyeNet Sweden, Blekinge Hospital, Karlskrona, Sweden; Department of Clinical Sciences/Ophthalmology, Umeå University, Umeå, Sweden
| | - Per Montan
- Department of Clinical Neuroscience, Division of Ophthalmology and Vision, Karolinska Institute, Stockholm, Sweden; St Erik Eye Hospital, Stockholm, Sweden
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Namkung S, Han JV, McGhee CNJ. Harmonizing cataract surgery training and patient-centred care in 2020: Disclosure, consent, supervision and patient altruism. Clin Exp Ophthalmol 2019; 47:975-977. [PMID: 31478291 DOI: 10.1111/ceo.13614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Soobin Namkung
- Department of Ophthalmology, New Zealand National Eye Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Jina V Han
- Department of Ophthalmology, New Zealand National Eye Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Charles N J McGhee
- Department of Ophthalmology, New Zealand National Eye Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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