NICE Hypertension in Pregnancy Flashcards
What proportion of UK population has HTN?
10-15%
Define HTN in pregnancy.
BP >140/90 x2 readings.
Define oedema in pregnancy.
Pitting oedema
Weight gain 2.3kg in 1 week.
Can aspirin be bought OTC in pregnancy?
No as it is used off licence in pregnancy.
When is aspirin taken in pregnancy and what dose?
75-150mg
12 weeks until delivery.
What are the high risk factors for developing HTN in pregnancy?
(i.e. if one risk present, give Aspirin)
HTN in previous pregnancy (PET or HTN).
CKD.
Autoimmune disease (SLE, APLS).
Type 1 or 2 Diabeties.
Chronic HTN.
What are the moderate risk factors for developing HTN in pregnancy?
(i.e. if 2 present then give Aspirin).
P0
Age 40+
BMI >35
Family history PET
Multi-foetal pregnancy.
What should be used to test for protinuria in pregnancy?
An automated reagent-strip reading device for dipstick screening.
If dipstick is positive for protein, what should be used to further investigate?
Albumin: creatinine ratio
(+ve if >8mg/mmol)
PCR
(Significant if >30mg/mmol)
When should urine sample be taken to screen for protinuria?
Any time EXCEPT first morning wee.
Women with chronic HTN who are on ACE-i or ARBs, what should happen to these medications when fall pregnant?
Increased risk of congenital abnormality.
STOP ACE-i/ARB and change to another anti-HTN within 2 working days.
What should happen to thiazide or thiazide-like diuretics in pregnancy?
MAY be increased risk of congenital abnormality therefore discuss alternatives if planning pregnancy.
What BP should be aimed for in pregnancy for women with chronic HTN on Medication?
BP < 135 / 85
What should happen to methyl-dopa in the post natal period?
Must be stopped by day 2 PN and changed for another anti-HTN.
What US FU should be arranged for women with chronic HTN?
US growth, LV and doppler at 28, 32 and 36 weeks.
What PN monitoring should be carried out in women with chronic HTN?
BP OD for 2 days.
BP once between day 3 and 5.
Aim BP <140/90.
Cont anti-HTN medication and rv with GP at 2/52s.
GP medical review at 6-8 weeks.
What are the risk factors for developing gestational HTN?
P0
Pregnancy interval >10 years
Age 40+
Family history of PET
Multi-foetal pregnancy
BMI >35
Gestational age at presentation
Previous HTN or PET
Vascular disease
Kidney disease.
When should a women with gestational HTN be admitted?
If BP > 160/110.
Can be managed as outpatient if their BP falls below this.
What is the target BP for women with gestational HTN on treatment?
BP < 135 / 85
How frequently should a urine dip be carried out for women with gestational HTN?
1 - 2 times per week (i.e. when BP is taken).