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Background: Hospital-wide readmission rates recently became a recognized benchmarking quality metric. We sought to study the independent impact of major intraoperative adverse events (iAEs) on 30-day readmission in abdominal surgery.
Methods: The 2007 to 2012 institutional American College of Surgeons National Surgical Quality Improvement Program and administrative databases for abdominal operations were matched then screened for iAEs using the International Classification of Diseases, 9th Revision, Clinical Modification-based Patient Safety Indicator "Accidental Puncture/Laceration". Flagged charts were reviewed to confirm the presence of iAEs. Major iAEs were defined as class 3 or above, as per our recently validated iAE Classification System. The inpatient database was queried for readmission within 30 days from discharge. Univariate and multivariable models were constructed to analyze the independent impact of major iAEs on readmission, controlling for demographics, comorbidities, American Society of Anesthesiology class, and procedure type/approach/complexity (using relative value units as proxy). Reasons for readmission were investigated using the Agency for Healthcare Research and Quality's International Classification of Diseases, 9th Revision, Clinical Modification-based Clinical Classification Software.
Results: Of 9,274 surgical procedures; 921 resulted in readmission (9.9%), 183 had confirmed iAEs, 73 of which were major iAEs. Procedures with major iAEs had a higher readmission rate compared with procedures with no iAEs [24.7% vs 9.8%, P < .001]. In multivariable analyses, major iAEs were independently associated with a 2-fold increase in readmission rates [OR = 2.17 (95% CI = 1.22 to 3.86); P = .008]; 67% of readmissions after major iAEs were caused by "complications of surgical procedures or medical care" as defined by Agency for Healthcare Research and Quality.
Conclusions: Major iAEs are independently associated with increased rates of 30-day readmission. Preventing iAEs or mitigating their effects can serve as a quality improvement target to decrease surgical readmissions.
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| http://dx.doi.org/10.1016/j.amjsurg.2016.03.018 | DOI Listing |
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