Background: Indications for transthoracic echocardiography (TTE) from the 2020 Appropriate Use Criteria (AUC) for congenital heart disease (CHD) were incorporated into the institutional electronic ordering system as a clinical decision support tool. The purpose of this study was to evaluate the utilization of TTE and factors affecting the appropriateness of orders for TTE during follow-up care of patients with CHD.
Methods: All transthoracic echocardiographic studies performed during follow-up clinic visits from May 1, 2020, to November 30, 2020, were included. Indications for TTE were rated appropriate, may be appropriate, or rarely appropriate on the basis of the AUC and unclassifiable if the indication was not in the document but related to included lesions. CHD was graded as simple, moderate, or complex on the basis of the Bethesda classification. Logistic regression was used to determine the association of ratings with patient age, insurance status, CHD complexity, and clinician experience and specialty.
Results: Of the 5,158 studies, 3,979 (77.2%) were for CHD included in the AUC document, 322 (8%) were unclassifiable, 37 (0.7%) were for CHD not in the document, and 1,142 (22.1%) were for non-CHD indications. Of the 3,657 transthoracic echocardiographic examinations to which AUC ratings could be applied, 95.6% were rated appropriate, 2.4% may be appropriate, and 2.0% rarely appropriate. The highest utilization of TTE was for follow-up of ventricular septal defects, left ventricular outflow tract obstruction, and single ventricles; 46% for unrepaired CHD; 78% for routine surveillance; and the remaining for changes in clinical status. On multivariable analysis, the only significant factor associated with may be appropriate and rarely appropriate ratings was simple CHD (odds ratio, 11.58; 95% CI, 5.36 - 24.98; P < .001).
Conclusions: Three quarters of transthoracic echocardiographic studies ordered during follow-up care in pediatric cardiology clinics are for indications related to CHD. Most examinations for follow-up of CHD were for routine surveillance and indications rated appropriate. Orders for TTE for may be appropriate and rarely appropriate ratings were associated with simple CHD. Although the 2020 AUC document successfully stratifies the majority of indications related to CHD, future documents should consider the unclassifiable CHD indications and the non-CHD indications.
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http://dx.doi.org/10.1016/j.echo.2022.04.016 | DOI Listing |
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