Post Coronary Artery Bypass Graft (CABG) Readmissions and Complications

Following CABG surgery, patients with complications were more likely to be readmitted within 30-days of discharge.

This report uses data from the California Coronary Artery Bypass Graft (CABG) Outcomes Reporting Program (CCORP) to provide comparisons of readmissions due to CABG complications from 2018 to 2021. These years are the most recently available data that is used by CCORP in its mandated annual performance reporting.

Relevant post-CABG complications include, deep sternal infections, post-operative atrial fibrillation, post-operative dialysis, post-operative renal failure, post-operative stroke, prolonged ventilation, re-operation for bleed, and unplanned intervention. The visualization includes the cases where any of the above complications were present and the cases where two or more complications were present. These comparisons can be further stratified by different categories, including payer type and patient characteristics, such as Assigned Sex at Birth, Race, and Age.

 This visualization is intended to help healthcare providers understand high-risk and low-risk complications that may result in readmission.

Key Findings

  • The most common CABG complication among patients readmitted was postoperative atrial fibrillation.
  • Readmissions were over two-fold higher when patients experienced postoperative dialysis, prolonged ventilation, and two or more complications at once.
  • Similar patterns of readmission were observed between race, assigned sex at birth, and payer type categories. However, these patterns differ by age, particularly among those younger than 40 years old.

HCAI Created this Product

Complete definitions for post-CABG complications, and other data resources, are available below.

Additional Information

Topic: Healthcare Quality
Source Link: Coronary Artery Bypass Graft Reports
Citation: HCAI – California Hospital Performance Ratings for Coronary Artery Bypass Graft (CABG) Surgery Data, 2018-2021
Temporal Coverage: 2018-2021
Spatial/Geographic Coverage: Statewide
Frequency: Annual