Antibiotic discontinued within 24 hours after surgery

What It Means
Percentage of selected surgery patients with antibiotics discontinued within 24 hours after the surgery end time.

Why It Is Important
Surgical guidelines indicate that there is no reason to extend antibiotics beyond 24 hours after the surgery end time if there is no evidence of infection.

Numerator Definition
Number of surgical patients whose prophylactic antibiotics were discontinued within 24 hours after surgery end time.

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 had other procedures requiring general or spinal anesthesia that occurred within three days prior to or after the procedure of interest
  • 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
  • Patients who received urinary antiseptics only
  • Patients who were diagnosed with infection within two days after the surgery end date.

Close Window