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Published on: February 2, 2022
Ultrasonic dissection versus conventional dissection techniques in pancreatic surgery: a randomized multicentre
Faik G Uzunoglu1, Anne Stehr, Judith A Fink
1Department of General, Visceral and Thoracic Surgery, University Medical Centre Hamburg-Eppendorf, Martinistraße 52, Hamburg, Germany.
Annals of Surgery
|October 26, 2012
Summary
Ultrasonic dissection in pancreatic surgery offers no significant operative time savings compared to conventional methods. This study found equivalent outcomes for both techniques in pancreaticoduodenectomy procedures.
Area of Science:
- Surgical Oncology
- Minimally Invasive Surgery
- Gastrointestinal Surgery
Background:
- Pancreatic head tumor surgery often requires extensive manual dissection, contributing to long operative times.
- A key hypothesis was that ultrasonic dissection could significantly reduce operative time in pancreatic resections.
Purpose of the Study:
- To evaluate the benefits of ultrasonic energy dissection versus conventional techniques in pancreatic surgery.
- To determine if ultrasonic dissection impacts operative time, blood loss, and postoperative outcomes.
Main Methods:
- A prospective randomized multicenter trial comparing ultrasonic dissection (Group A) to conventional dissection (Group B).
- Included patients undergoing pancreaticoduodenectomy (PD) or pylorus-preserving PD (PPPD) between March 2009 and May 2011.
- Primary endpoint: overall operation time. Secondary endpoints: resection time, blood loss, transfusion requirements, and morbidity.
Main Results:
- 101 patients were analyzed, with similar demographics and clinical parameters across groups.
- Ultrasonic dissection did not significantly reduce overall operation time (316 min vs. 319 min, P=0.95).
- No significant differences were observed in secondary endpoints, including postoperative course and surgical costs.
Conclusions:
- Ultrasonic energy dissection is equivalent to conventional techniques for tissue dissection and vessel closure in pancreatic surgery.
- The use of ultrasonic devices does not offer a significant advantage in reducing operative time for these procedures.

