Study for Rapid Diagnosis of Postoperative Abdominal Infection

Inclusion Criteria

• •1. Patients who receive abdominal operations with routinely abdominal drainage placement.
• •2. Abdominal infection is suspected by the clinicians, and one of the following conditions is met:
• •1. Temperature ≥38℃;
• •2. One of the following laboratory indicators: WBC≥10×10\^9/L, PCT≥0.5ng/ml, hsCRP≥100mg/L.