Antibiotic selection

What It Means
Percentage of selected surgery patients who received antibiotics consistent with current guidelines.

Why It Is Important
The goal of preventing infection with antibiotics is to select a medication that is safe, cost-effective and has the ability to affect most of the likely intraoperative contaminants for the operation.

Numerator Definition
Number of surgical patients who received prophylactic antibiotics recommended for their specific surgical procedure.

Denominator Definition
All surgical patients with no evidence of prior infection and a principle procedure code matching a list of selected ICD-9-CM surgical codes.

Denominator Excluded Populations

  • Patients less than 18 years of age
  • Patients who have a length of stay >120 days
  • Patients who had a principle diagnosis suggestive of preoperative infectious diseases
  • Patients whose principle procedure was performed entirely by laparoscope
  • Patients enrolled in clinical trials
  • Patients whose principle procedure occurred prior to the date of admission
  • Patients with a documented infection prior to surgical procedure of interest
  • Patients who had a joint revision
  • Patients who expired perioperatively
  • Patients who were receiving antibiotics more than 24 hours prior to surgery
  • Patients who were receiving antibiotics within 24 hours prior to arrival
  • Patients who did not receive any antibiotics before or during surgery, or within 24 hours after surgery end time
  • Patients who did not receive any antibiotics during this hospitalization

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