Abstract
PurposeLittle is known regarding the extent by which patients undergoing outpatient cataract surgery are at risk for postoperative hospitalization. We sought to determine the percentage of patients undergoing cataract surgery who were subsequently hospitalized, the patient characteristics associated with postoperative hospitalization, and the reasons for hospitalization.MethodsWe identified all beneficiaries of a large U.S. managed care network age ≥40 years old who underwent ≥1 cataract surgery from 2001–2011. All enrollees who required inpatient hospitalization within 7, 14, 30, and 90 days following initial cataract surgery and the reasons for hospitalization were determined. Logistic regression was performed to assess factors that significantly impacted the odds of requiring postoperative hospitalization.ResultsAmong the 64,981 patients who underwent cataract surgery, rates of hospitalization within 7, 14, 30, and 90 days were 0.3%, 0.5%, 1.3% and 4.2%, respectively. Among the 10,674 patients who had no major preexisting medical comorbidities, 0.1% were hospitalized within 7 days. The odds of hospitalization increased by 35% (OR = 1.35 [CI, 1.23–1.48]) with the presence of each additional comorbidity and by 14% with each additional hospitalization in the 3 years prior to cataract surgery (OR = 1.14 [CI, 1.10–1,18]). Those who were hospitalized in the 30 days prior to cataract surgery had 524% increased odds of being hospitalized within 7 days after cataract surgery (OR = 6.24, [CI, 3.37–11.57]) compared to those with no record of preoperative hospitalization. Postoperative hospitalizations were most commonly due to cardiovascular conditions, comprising over 25% of primary diagnoses associated with hospitalization.ConclusionsThe risk of hospitalization after cataract surgery is low, and is very low among those with no major preexisting medical comorbidities. Opportunities may exist to limit comprehensive preoperative evaluation and testing to those who have serious pre-existing medical comorbidities.
Highlights
Cataract surgery is the most commonly performed surgery in the United States, with over 2 million operations performed annually[1]
The odds of hospitalization increased by 35% (OR = 1.35 [CI, 1.23–1.48]) with the presence of each additional comorbidity and by 14% with each additional hospitalization in the 3 years prior to cataract surgery (OR = 1.14 [CI, 1.10–1,18])
Postoperative hospitalizations were most commonly due to cardiovascular conditions, comprising over 25% of primary diagnoses associated with hospitalization
Summary
Cataract surgery is the most commonly performed surgery in the United States, with over 2 million operations performed annually[1]. By identifying the types of medical comorbidities associated with hospitalization following cataract surgery, researchers may be able to develop algorithms that identify patients who are at high risk for requiring hospitalization to focus the necessary resources and preoperative testing on this group of patients. Likewise, if such algorithms can accurately identify patients who are at low risk for requiring hospitalization during the immediate post-operative period, many such patients may be able to forego such testing with little safety risk. There may be opportunities to curtail some of the rapidly rising healthcare costs by only screening those who are most at risk for experiencing difficulties following surgery
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