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Grading of sternal wound complications
| Grade 1: Minor | Superficial wound problem: local redness or minimal drainage |
| Conservative approach, spontaneous healing | |
| Grade 2: Superficial | Wound infection: positive culture |
| Antibiotic treatment | |
| Grade 3: Moderate | Deep wound infection: dehiscence |
| Need for drainage, debridement, or VAC | |
| Grade 4: Severe | Mediastinitis or mechanical sternal dehiscence |
| Refixation of the sternum or omentoplasty |
VAC vacuum assisted closure
