GII and Oral

Gastrointestinal Impairment (GII) is the inability of patient postoperative digestive health to support successful early oral refeeding. Whether your postoperative care pathway generally includes early refeeding or delayed oral refeeding, PrevisEA™ adds precision medicine and a personalized approach to postoperative care. Through quantifying a validated acoustic biomarker, the Previs™ Index assists in determining if an individual patient’s digestive health can support early oral refeeding and earlier discharge. This may reduce readmission rates and/or reduce length of stay, depending on your usual approach to postoperative oral refeeding and discharge criteria.


of GII cases are the result of POI1

Gastrointestinal Impairment (GII)

Postoperative nausea and vomiting occurring within the first 24 hours of surgery are generally considered due to post-anesthetic effects. In most cases vomiting, abdominal distention and pain beyond 24 hours are the result of POI with fewer than 6% of cases due to early postoperative bowel obstruction.

1. Kim et al. Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A, 24(8), 543–549.

Impact of POI on Postoperative Outcomes

The current inability to determine a patient’s at risk for GII often leads to suboptimal patient outcomes

Delayed Oral Refeeding

  • Re-feeding occurs when it is believed normal GI function has returned
  • Discharge occurs when patient is tolerating a normal diet
  • Length of Stay tends to be high (>6 days)
  • Readmissions are low

Early Oral Refeeding

  • Refeeding within 24 hours of surgery
  • Discharge occurs when patient ambulates and pain controlled by oral medication
  • Length of Stay tends be low (~5 days or less)
  • Readmissions are high 20%