Randomized trial of a Slip-Coat cannula for early abortion.
The objective of the study was to determine the effectiveness of a 6-mm coated cannula with Slip-Coat lubrication to avoid mechanical dilatation for abortion up to 712 weeks gestation. A blinded, randomized control trial of 50 healthy women, > or =18 years old, up to 54 days pregnant by ultrasound, requesting a surgical abortion was conducted. A successful outcome was defined as a completed abortion without the need for mechanical cervical dilatation. Of the 50 women, 29 received a Slip-Coat cannula, and 21 received a standard cannula. There were no overall differences in efficacy of the Slip-Coat cannula (17/29 or 59%) compared with the control group (12/21 or 57%, p = 0.91), or the acceptability of the procedure (93% versus 91%, respectively, p = 0.74), the level of pain (48 vs. 35, respectively, p = 0.052), acceptability of pain (66% vs. 67%, respectively, p = 0.93), or acceptability of bleeding (90% vs. 86%, respectively, p = 0.67). It was concluded that Slip-Coat cannulae were more effective than standard control cannulae for women who had no prior live births (6/10 or 60% vs. 0/7 or 0%, respectively, p = 0.01). This finding warrants further study.
Katzel
Shana
S
Reproductive Health Program, Department of Family Medicine, University of Rochester School of Medicine, 1000 South Avenue, Box 101, Rochester, NY 14620, USA.
Schaff
Eric
E
Fielding
Stephen
S
D000028:Abortion, Induced / Q000295:instrumentation / Q000379:methods*; D000328:Adult; D002404:Catheterization; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D013997:Time Factors