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The AirSeal Intelligent Flow System (AiFS) maintained lower intra-peritoneal pressure during pediatric laparoscopic appendectomy compared to conventional pneumoperitoneum. This resulted in significantly lower end-tidal CO2 and blood pressure with AiFS.

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Area of Science:

  • Pediatric Surgery
  • Minimally Invasive Surgery
  • Anesthesiology

Background:

  • Laparoscopic appendectomy in children often utilizes pneumoperitoneum to create a working space.
  • Maintaining optimal intra-peritoneal pressure (IPP) is crucial for patient safety and surgical outcomes.
  • The AirSeal Intelligent Flow System (AiFS) offers automated control of pneumoperitoneum, potentially improving upon conventional methods (CP).

Purpose of the Study:

  • To compare the efficacy and safety of AiFS versus CP during pediatric laparoscopic appendectomy (LA).
  • To evaluate differences in intra-peritoneal pressure (IPP) and hemodynamic parameters between AiFS and CP.

Main Methods:

  • A prospective comparative study involving 39 children (aged 3-14 years) undergoing standard 3-trocar LA.
  • Pneumoperitoneum was established using either AiFS (n=18) or CP (n=21).
  • IPP was initially set at 8-10 mmHg, reduced to 5 mmHg, and maintained throughout the procedure, with data collected every 5 minutes.

Main Results:

  • Demographics were similar between the AiFS and CP groups.
  • Average IPP was significantly lower with AiFS (7.9 mmHg) compared to CP (9.0 mmHg) (p<.05).
  • Average systolic blood pressure and end-tidal CO2 (EtCO2) were significantly lower in the AiFS group (p<.05).

Conclusions:

  • AiFS facilitates significantly lower intra-peritoneal pressure during pediatric laparoscopic appendectomy.
  • The reduced IPP achieved with AiFS is associated with lower end-tidal CO2 and blood pressure.
  • AiFS represents a potentially beneficial alternative for pneumoperitoneum management in pediatric LA.