3rd and 4th degree tears GTG Flashcards
Classification tear
1Perineal skin and/or vaginal mucosa
2 Perineal muscles, no sphincter
3a <50% EAS
3b >50% EAS
3c IAS
4 EAS + IAS + anorectal mucosa
Overall risk of 3/4th tear
2.9%
P0 risk of 3/4th tear
6%
Multip risk of 3/4th tear
1.7%
Forceps without episiotomy
23%
Forceps with episiotomy
6%
Ventouse no episiotomy
6%
Ventouse with episiotomy
2%
Previous OASIS
7% (25% have CS)
What suture material should be use for anorectal mucosa?
3-0 polyglactin
What suture material should be used for EAS/IAS
3-0 PDS
or 2-0 polyglactin
What is the risk of suture migration?
7%, bury sture
What % of women are asymptomatic at 12 months following EAS repair?
60-80%
Who should be offered ELCS?
Symptomatic or abnormal endoanal USS
If previous 3/4th what % experience worsening of faecal symptoms?
17% worsening faecal Sx, especially if beyond 3 months