Obesity, Morbid Clinical Trial
Official title:
Stapler-less Burst Pressure in a Ex-vivo Human Gastric Tissue: a Randomized Controlled Trial
Stapler-less laparoscopic sleeve gastrectomy (LSG) is emerging as a new potential affordable cost-effective alternative procedure. However, no pre-clinical data are currently available on human tissue. We aimed to evaluate whether traditionally suturing without the use of surgical stapling may produces a comparable bursting pressure on human gastric tissue.
Stapler-less laparoscopic sleeve gastrectomy (LSG) is emerging as a new potential affordable
cost-effective alternative procedure. However, no pre-clinical data are currently available
on human tissue. We aimed to evaluate whether traditionally suturing without the use of
surgical stapling may produces a comparable bursting pressure on human gastric tissue.
A prospective cohort of consecutive patients underwent LSG was divided in two groups to
compare a barbed extramucosal running suture (stapler-less) versus a standard stapler line. A
burst pressure test was applied to the gastric specimen employing high-resolution manometric
catheter. Type, location and features of the leak were described.
In human ex-vivo model, traditional surgical suture (i.e. running hand-sewn) produced an
effective temporary closure, with superior resistance to increasing volume and pressure. How
this may impact on clinical LSG outcomes needs further evaluations and was not the object of
this study.
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