Abstract
The 3M Precise Microvascular Anastomotic System (MAS), a microvascular stapling device, was compared with microsurgery for the reanastomosis of rabbit fallopian tubes. Differences in operative time, tubal patency, adhesion formation, and fertility rate were studied in 18 rabbits. Only 17% of tubes repaired by MAS were subsequently patent by chromopertubation, compared with 72% with microsurgery. Mean nidation indices were 0.05 for MAS and 0.22 for microsurgery. Sixty-one percent of adnexae repaired by MAS were adhesion stage I, whereas 83% of microsurgically repaired adnexae were stage I. Mean operative time was 28.2 min for MAS vs 21.6 min for microsurgery. Only the differences in patency rate and operative time were statistically significant, but the trends suggest that fallopian tube reanastomosis by MAS offers no advantage over conventional microsurgical technique.
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