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Randomized trial comparing a radially expandable needle system with cutting trocars.

Abstract
Sharp trocar insertion for laparoscopic procedures carries with it increased risk for vascular and visceral complications and incisional hernia. In a trial, which randomized 87 patients to treatment with either sharp trocars or a radially expanding needle system with blunt dilator, results showed that with the latter system there was statistically improved patient assessment of pain, a lower complications rate, and shorter procedure time. In the group of patients randomized to treatment with conventional trocars, there were a total of six instrument-related adverse events (6/42): four cases (five incidences) of abdominal wall injuries and one small bowel perforation caused by a Veress needle. Of the 45 patients randomized to the blunt dilator/cannula treatment, there was one adverse event (1/45) that was unrelated to the blunt dilator/cannula system: Veress needle injury to abdominal vasculature. The radially expanding access system demonstrates statistically improved patient postoperative comfort and improved patient safety.
AuthorsJ R Feste, B Bojahr, D J Turner
JournalJSLS : Journal of the Society of Laparoendoscopic Surgeons / Society of Laparoendoscopic Surgeons (JSLS) 2000 Jan-Mar Vol. 4 Issue 1 Pg. 11-5 ISSN: 1086-8089 [Print] UNITED STATES
PMID10772522 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Randomized Controlled Trial)
Topics
  • Adult
  • Equipment Design
  • Equipment Safety
  • Female
  • Humans
  • Intraoperative Complications
  • Laparoscopes (adverse effects)
  • Middle Aged
  • Pain Measurement
  • Postoperative Complications
  • Prospective Studies
  • Statistics, Nonparametric

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