APPENDICITIS: ROUTINE PRE-DISCHARGE LABS DON’T PREDICT COMPLICATIONS

Topic overview

Multicenter study demonstrates routine pre-discharge white blood cell counts have poor predictive value for identifying post-discharge organ space infections in children with complicated appendicitis. Half of children who developed infections had normal WBC at discharge, with positive predictive values below 10% across all tested thresholds.

Key takeaways

Pre-discharge WBC testing has poor predictive value for post-discharge organ space infection in complicated appendicitis (PPV 3.9-9.8%)
50% of children who developed post-discharge OSI had normal pre-discharge WBC counts, limiting test utility
Routine pre-discharge WBC practice varied widely across 14 hospitals (0.8-100%), suggesting lack of evidence-based consensus
Clinical factors (age, appendicitis severity, post-discharge antibiotics) may be more useful than lab values for risk stratification
Routine pre-discharge WBC testing in uncomplicated post-appendectomy recovery may be unnecessary and should be reconsidered

Keywords

Complicated Appendicitis Pediatric Surgery Organ Space Infection White Blood Cell Count Postoperative Complications Predictive Value Appendectomy

Hashtags

#PediatricSurgery #Appendicitis #PostopCare #EvidenceBasedMedicine

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