American Society of Anesthesiologists classification in cataract surgery: Results from the Ophthalmic Surgery Outcomes Data Project

Abhishek R. Payal, David Sola-Del Valle, Luis A. Gonzalez-Gonzalez, Tulay Cakiner-Egilmez, Amy S. Chomsky, David E. Vollman, Elizabeth F. Baze, Mary Lawrence, Mary K. Daly

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Purpose To explore the association of American Society of Anesthesiologists (ASA) classification with cataract surgery outcomes. Setting Five Veterans Affairs Medical Centers, United States. Design Retrospective observational cohort study. Methods The study analyzed the outcomes of cataract surgery cases. Corrected distance visual acuity (CDVA), unanticipated events, and vision-related quality of life (VRQL) were assessed using the National Eye Institute Visual Function Questionnaire (NEI-VFQ), comparing ASA classes I through IV. For some analyses, ASA classes I and II were designated as Group A and ASA classes III and IV were designated Group B. Results Of the 4923 cases, 875 (17.8%) were in Group A, 4032 (81.9%) were in Group B, and 16 (0.3%) had missing data. The mean CDVA and mean composite NEI-VFQ score improved after cataract surgery in both groups (P < .0001); however, Group A had a better mean postoperative CDVA and postoperative VFQ composite scores than Group B (P < .0001, both outcomes). A higher ASA class was associated with an increased risk for 2 unanticipated events; that is, clinically significant macular edema (CSME) (Group A: 4 [0.47%] versus Group B: 50 [1.28%]; adjusted odds ratio [OR], 3.02; 95% confidence interval [CI], 1.02-13.05; P = 0.04) and readmission to the hospital within 30 days (2 [0.23%] versus 56 [1.41%]; OR, 8.26; 95% CI, 1.71-148.62; P = .004) Conclusions Among United States veterans, the ASA classification could be an important predictor of VRQL and visual outcomes. In this cohort, it was associated with an increased risk for 2 serious unanticipated events—CSME and readmission to the hospital—both costly, unwanted outcomes. Financial Disclosure Dr. Vollman is a consultant to Forsight Vision5. None of the authors has a financial or proprietary interest in any material or method mentioned.

Original languageEnglish
Pages (from-to)972-982
Number of pages11
JournalJournal of cataract and refractive surgery
Volume42
Issue number7
DOIs
StatePublished - Jul 1 2016

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