Perineal Trauma And Repair Flashcards
What are the percentage of perineal trauma for primions and Multips?
Primips 90%
Multips 70 %
What does a second degree tear effect?
Superficial transverse perineal muscle
Bulbocavernosus muscle
What does a third degree additionally effect?
External anal sphincter
What does the 4th degree additionally effect
In eternal anal sphincter
Rectal mucosa
What is the definition of a first degree tear according to RCOG ‘15
Injury to perineal skin and or vaginal mucosa
What is the definition of a Second degree tear according to RCOG ‘15
Injury to perineum involving perineal muscles but not involving the anal sphincter.
What is the definition of a third degree tear according to RCOG ‘15
Injury to perineum involving the anal sphincter complex.
What is the definition of a 3a degree tear according to RCOG ‘15
Less than 50% of external anal sphincter (EAS) thickness torn.
What is the definition of a 3b degree tear according to RCOG ‘15
More than 50% of EAS thickness torn.
What is the definition of a f3c degree tear according to RCOG ‘15
Both EAS and internal anal sphincter (IAS) torn.
What are the holistic effects of having tear repair
Increase perinatal MH
Can effect sexual health and family planning (feeling)
What is the definition of a fourth degree tear according to RCOG ‘15
Injury to perineum involving the anal sphincter complex (EAS + IAS) and anorectal mucosa.
What are some risk factors for having a tear?
Asian ethnicity
Instrumental birth
Primiparity
Foetal birth weight >4kg
Shoulder dystocia
Prolonged second stage
Malposition
Age
Tissue type
Nutritional type
Position.
What is meant by an episiotomy?
A surgical incision on the perineum made to increase the diameter of the vulval outlet (and likely expedite birth)
The fourchette, perineum and perineal body are involved ( the same as a second degree tear).
What are epicissors-60 used for
Surgical scissors used for episiotomy and a designated to achieve a medico lateral cut at 60 degrees to the perineal midline to minimise the risk of obstetric anal sphincter injuries.