• Jamal Garah, Orly Eshach Adiv, Irit Rosen, and Ron Shaoul.
• Pediatric Gastroenterology and Nutrition Unit, Meyer Children's Hospital of Haifa, Rambam Medical Center, POB 9602, Haifa, 31096, Israel.
• J Clin Monit Comput. 2015 Dec 1; 29 (6): 773-8.

AbstractThe Integrated Pulmonary Index (IPI) is an algorithm included in commercially available monitors that constitutes a representation of 4 parameters: EtCO2, RR, SpO2 and PR. The IPI index has been validated for adults and children older than 1 year of age. In this study we aimed to study the value of IPI monitoring during pediatric endoscopic procedures. Our data consisted of 124 measurements of 109 patients undergoing different procedures (upper endoscopy 84 patients, colonoscopy 6 patients, both 9 patients). The data was divided into 3 groups based on the drug type used: propofol only, 5 patients (group 1); propofol & midazolam, 89 patients (group 2); propofol, midazolam and Fentanyl, 15 patients (group 3). Patients in group 2 and 3 had significantly higher IPI levels than group 1. Significantly lower IPI values were found between ages 4-6 compared to 7-12 years old. High midazolam dose was associated with lower IPI levels during the procedure. No significant differences were found for propofol doses. Patients who had an anesthetist present had lower IPI levels during the procedure compared to those who did not. No differences were noted between the different procedures. IPI alerted all apnea episodes (58 events, IPI = 1) and hypoxia (26 events, IPI ≤ 3) episodes, whereas pulse oximetry captured only the hypoxia episodes (IPI sensitivity = 1, specificity 0.98, positive predictive value 0.95). Younger patient age, use of propofol alone, higher midazolam doses and presence of anesthetist are all associated with lower IPI levels.

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