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Updated: Jan 19, 2026

Laparoscopic Anatomical Right Hemihepatectomy via the In Situ Anterior Approach
Published on: August 8, 2025
A tiered approach to optimize pediatric laparoscopic appendectomy outcomes
Christina M Bence1, Ruizhe Wu2, Kimberly K Somers3
1Department of Surgery, The Medical College of Wisconsin, Milwaukee, WI, USA; Division of Pediatric Surgery, Children's Hospital of Wisconsin, Milwaukee, WI, USA.
Single-incision (SILS) and dual-incision (DILS) laparoscopic appendectomies offer lower costs and shorter operating times than three-incision laparoscopic appendectomies (TILS) in pediatric patients, maintaining equivalent outcomes.
Area of Science:
- Pediatric Surgery
- Minimally Invasive Surgery
- Surgical Cost Analysis
Background:
- Appendicitis surgery represents a significant healthcare cost, with substantial financial variability.
- Current laparoscopic appendectomy practices often involve three incisions (TILS).
Purpose of the Study:
- To evaluate the cost-effectiveness and outcomes of single-incision (SILS) and dual-incision (DILS) laparoscopic appendectomy compared to traditional three-incision laparoscopic appendectomy (TILS).
- To determine if SILS and DILS can reduce healthcare expenditure in pediatric appendicitis management.
Main Methods:
- Retrospective review of 970 pediatric appendectomies performed between January 2015 and December 2017.
- Stratification of appendectomy techniques (SILS, DILS, TILS) against direct variable costs and operative times.
- Analysis of perioperative and 30-day postoperative outcomes.
Main Results:
- SILS and DILS techniques demonstrated significantly lower mean direct variable costs and operating room times compared to TILS.
- These cost and time savings were observed for both acute and complex appendicitis cases.
- Outcomes remained equivalent across all surgical approaches.
Conclusions:
- SILS and DILS appendectomy are viable, cost-effective alternatives to TILS in pediatric surgery.
- Implementing a tiered approach, starting with SILS and adding incisions as needed, can lead to substantial annual cost savings.
- Estimated annual savings of $74,580 for a center performing 314 laparoscopic appendectomies yearly.
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