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Published on: August 27, 2016
Intraperitoneal adhesions in laparoscopic and standard open herniorrhaphy. An experimental study
1Department of General Surgery, St. Paul Medical Center, Dallas, TX 75235, USA.
Surgical Endoscopy
|January 1, 1997
Summary
Transabdominal properitoneal (TAP) laparoscopic herniorrhaphy in pigs showed a risk of intra-abdominal adhesions, unlike open herniorrhaphy. Polypropylene grafts showed better incorporation than PTFE in this study.
Area of Science:
- Surgical innovation and comparative analysis in abdominal surgery.
- Biomaterial assessment in hernia repair.
Background:
- Transabdominal properitoneal (TAP) laparoscopic herniorrhaphy may lead to intra-abdominal complications not seen in open procedures.
- Previous research indicated significant intra-abdominal adhesions from TAP herniorrhaphy using polypropylene in pigs.
Purpose of the Study:
- To compare the incidence of intra-abdominal adhesions between open herniorrhaphy and TAP laparoscopic herniorrhaphy.
- To evaluate graft incorporation of polypropylene versus PTFE in TAP laparoscopic herniorrhaphy.
Main Methods:
- Open herniorrhaphies were performed on 31 pigs.
- Additional pigs underwent TAP laparoscopic herniorrhaphy using PTFE.
- Data collected included operative and trocar-site adhesions, and graft incorporation.
Main Results:
- No intra-abdominal adhesions were observed in the open herniorrhaphy group.
- Fifteen adhesions, including nine significant ones, were found in the TAP herniorrhaphy group.
- Polypropylene demonstrated superior graft incorporation compared to PTFE in laparoscopic placement.
Conclusions:
- TAP herniorrhaphy carries a risk of intra-abdominal adhesions at operative and trocar sites, absent in open techniques.
- The choice of TAP herniorrhaphy as a primary repair warrants careful consideration due to adhesion risks.

