Module 2 Flashcards
hypertension in pregnancy is defined as
BP above 140/90
chronic hypertension is
all hypertension before pregnancy occured
Renal hypertension complicates…
kidney disease of any kind. Sodium retention by the kidney leading to water retention and an increased blood volume is usually a factor
Phaeochromocytoma
adrenal gland tumour secreting the dopamine hormones adrenaline/noradrenaline
Coarctation of the aorta
narrowing of the aorta more common for patients with congenital heart disease
Cushings syndrome
excess of glucocorticoid hormones
Conns syndrome
excess of aldosterone hormone causing sodium retention and associated hypokalaemia
in 1st trimester of pregnancy, what happens to BP
marked vasodilation causes a drop in systemic vascular resistance which sees BP fall in all women – exaggerated effect in hypertensive women
complications of hypertension in pregnancy
Fetal growth restriction poor placentation – NICE advocates USS at 28-30 weeks and 32-34 weeks to indentify and monitor SGA
Placental abruption - 1% of pregnancies – smoking aids significantly to this risk
Severe hypertension - acute pharmacological management – labetalol, hydralazine, nifedipine
Super-imposed pre-eclampsia high risk, significant protein 300mg suggestive of preeclampsia – Uric acid raised
chronic hypertension - non-pregnancy treatment and care
- Majority of women with proven hypertension will be on one or more anti-hypertensive drugs – ACE inhibitor (enalapril or lisinopril) or an angiotensin receptor blocker (losartan or irbesartan) beta-blocker (atenolol)
- Low dose aspirin (75mg)
chronic hypertension - pre-conception issues and care
Referred to consultant OB so risks can be discussed and meds can be changed to labetalol or nifedipine , advised on lifestyle factors
medical management and care in pregnancy for hypertension
- Blood pressure meds reduced or stopped in first 20 weeks
- Labetalol – combined alpha and beta-blocker – first line – avoided in asthmatics
- Nifedipine – calcium-channel blocker (short and long acting)
- Methyldopa – centrally active
midwifery management and care - hypertension
- Antenatal visits
- SFH measurement
- BP
- Urine dipstick
- Ask about symptoms of preeclampsia
Medical management and care (labour issues) hypertension
- IOL from 37 weeks
- Usual meds
- Avoidance of syntometrine or ergometrine for 3rd stage
- CTG
- Consider epidural to aid BP
midwifery care labour hypertension
hourly BP
oxytocin 3rd stage
medical management postnatal hypertension
- No known adverse affects of anti-hypertensives on breast-fed babies
- Methyldopa changed to pre-pregnancy meds
- Review at 2 weeks of meds
midwifery management postnatal hypertension
- Target BP 140/90
- Daily BP checks day 1 and 2
- Encourage compliance with meds
- Contraceptive advice and lifestyle factors
preeclampsia
Pregnancy specific syndrome characterised by variable degrees of placental dysfunction and a maternal response featuring systemic inflammation and by the development of new hypertension and protein
risk factors of preeclampsia
- AMA
- Primip
- Hypertension
- Family history
- Previous hx