Gynaecological emergencies Flashcards
What is an ectopic pregnancy
Ectopic pregnancy occurs when a fertilised egg implants outsideof the uterus, most commonly within the fallopian tube.
In the UK, approximately 1 in 90 pregnancies are ectopic
What are the risk factors for ectopic pregnancy?
Previous ectopic pregnancy
Tubal damage – e.g. PID, previous STI, sterilisation
History of infertility or assisted reproductive techniques
Smoker
Age over 35
Use of IUD/IUS or POP
What are the symptoms of ectopic pregnancy?
PV bleeding
Abdominal pain, typically to one side
Shoulder tip pain
Dizziness
Sometimes none at all
How do we diagnose ectopic pregnancy ?
Usually diagnosed by USS +/-bHCG
1/3 of those with an ectopic pregnancy will have no risk factors
Scan signs of tubal ectopic:
Adnexal mass moving separately to the ovary (sliding sign)comprising a gestational sac containing a yolk sac
OR
Adnexal mass moving separately to the ovary comprising agestational sac andfetalpole (with or without a heartbeat)
What are the sites of implantation of ectopic pregnancy?
Ampulatory - 70&
Isthmic - 12%
Fimbrial - 11%
Interstitial - 2-4%
Ovarian - 3%
Abdominal - 1%
What is a tubal ectopic in ectopic pregnancy?
Accounts for approximately 90% of all ectopic pregnancies
Usually diagnosed on USS – adnexal mass that moves separatelyto the ovary. Sensitivity of 87-99%.
In 20% of cases apseudosacmay be seen within the uterine cavity
Free fluid may be seen but is not diagnostic of an ectopicpregnancy
Serum b-hCGshould be performed
which implantation site has the highest risk of rupture
isthmic
What are the 3 options for ectopic pregnancy management?
Conservative
Medical
Surgical
What is the conservative management for ectopic pregnancy?
Patient must be clinically stable and pain free
AND
Have a tubal ectopic pregnancy <35mm with no visible heartbeat
AND
SerumhCG<1000iu/l
AND
Patient is able to return for follow-up
RepeathCGon day 2,4 and 7
IfhCGlevels by 15% or more from previous value then followingday 7 repeathCGweekly until result is <20iu/l.
What is the medical management for ectopic pregnancy?
Offer systemic methotrexate in women who:
= Have no significant pain and be clinically well
AND
- Unruptured tubal ectopic with an adnexal mass <35mm with novisible FH
AND
- SerumhCG<1500
AND
- Do not have an intrauterine pregnancy
AND
- Can return for follow-up
Issues with medical management of ectopic pregnancy?
Can offer the choice of medical and surgical with a serumbhCGbetween 1500 and 5000
For women who have methotrexate,bhCGmust be monitored ondays 4 and 7, and then weekly untilhCGis negative. If fall is <15%between day 4-7 repeat USS should be performed, andconsideration of repeat MTX following discussion with consultant
Patients should be informed NOT to get pregnant for 3 monthsfollowing methotrexate
Contraindications include thrombocytopaenia, hepatic or renaldysfunction, immunocompromised, breastfeeding and pepticulcer disease
Who is surgical management first line in for ectopic pregnancy?
- Have significant pain
- Adnexal mass >35mm
- Live ectopic
- HCG >5000
- Signs of rupture
- Haemodynamic instability
What happens in surgical management of ectopic pregnancy?
Should be performed laparoscopically wherever possible
Salpingectomy first line unless they have other risk factors forinfertility
Salpingotomy is an alternative for women with risk factors forinfertility such as contralateral tubal damage (1in5 will needfurther treatment) - should performhCGday 7 and then weeklyuntil negative
What happens in a complete miscarriage?
- Usually present following an episode of PV bleeding
- May remove products of conceptions on examination
- USS will show an empty uterus
- Usually will require follow-up with bHCG monitoring (if no IUP confirmed on USS).
- A decrease of >50% a minimum of 48 hours apart is indicative of early pregnancy loss.
- Patients should perform UPT 3 weeks after to confirm
What happens in an incomplete miscarriage?
- partially expelled products of conception
- Diagnosed on USS – usually see mixed echoes within the uterine cavity
- If no previous IUP seen on USS, will require serial bHCG monitoring to ensure failing IUP.