Severe preeclampsia at 36 weeks in a district hospital without a neonatal unit
A 29-year-old woman, G2P1 with one previous caesarean delivery, is admitted at 36+4 weeks to a district hospital in Tanta with a 2-day history of frontal headache and epigastric pain. Blood pressure is 168/112 and 172/108 on repeat after 15 minutes; dipstick proteinuria is 3+; reflexes are brisk with two beats of clonus; platelets 92 × 10⁹/L, ALT 186 U/L, creatinine 1.1 mg/dL, haemoglobin 11.2 g/dL; urine output 60 mL over the last 2 hours. The cardiotocograph is reactive with a baseline of 140/min. She is not contracting. The hospital has a functioning theatre, a blood bank, an adult ICU with magnesium sulfate and infusion pumps, but no neonatal intensive care unit. The tertiary centre with a NICU is 90 minutes away by road, and it is 11 p.m. She is anxious and asks to 'wait until morning so my mother can come'.
1. State the diagnosis with your reasoning, and explain why expectant management is not appropriate.
Read the worked answer
Diagnosis: severe preeclampsia with severe features at 36+4 weeks, with partial HELLP features.
Reasoning:
- Hypertension ≥160/110 mmHg on two occasions plus 3+ proteinuria establishes preeclampsia.
- Severe features are present: severe-range blood pressure, persistent headache, epigastric pain, brisk reflexes with clonus, and a platelet count of 92 × 10⁹/L.
- ALT 186 U/L with thrombocytopenia under 100 × 10⁹/L raises HELLP; haemolysis is not yet documented, so record LDH, haptoglobin, bilirubin and a blood film, and repeat the platelet count 6-hourly because the trend matters more than a single value.
Why not wait until morning:
- Delivery is the only definitive treatment. At 36+4 weeks the fetus is mature enough that expectant management buys little and risks eclampsia, abruption, progressive HELLP, pulmonary oedema, acute kidney injury and fetal compromise.
- Her symptoms and clonus indicate imminent seizure risk, and platelet consumption can progress over hours.
- Guidelines recommend delivery after stabilization for preeclampsia with severe features at ≥34 weeks - there is no gestational-age argument for delay here.
The only 'wait' permitted is the hours needed to give magnesium, control blood pressure and organize theatre and a paediatric team - not a wait until morning for family.
2. Write your immediate orders for the next 6 hours, including magnesium, antihypertensives, monitoring and delivery planning, with doses.
Read the worked answer
Magnesium sulfate for seizure prophylaxis - start now
- Pritchard regimen: 4 g IV over 20 minutes, then 10 g deep intramuscularly (5 g into each buttock), then 5 g IM every 4 hours, alternating buttocks, continued for 24 hours after delivery or after the last seizure.
- Alternative Zuspan regimen: 4–6 g IV loading over 15–20 minutes, then 1–2 g/hour infusion.
- Monitor hourly: deep tendon reflexes, respiratory rate, urine output. Withhold and reassess if reflexes are absent, respiratory rate <12/min, or urine output <30 mL/hour. Have calcium gluconate 10% 10 mL IV at the bedside as antidote. Reduce dosing if renal function deteriorates - her creatinine is already 1.1 mg/dL.
Blood pressure control - target 130–150/80–100 mmHg, without abrupt falls
- Labetalol 20 mg IV, then 40 mg, then 80 mg at 10-minute intervals (maximum 300 mg total), or
- Hydralazine 5–10 mg IV every 20 minutes, or
- Nifedipine 10 mg immediate-release orally every 20–30 minutes.
- Avoid ACE inhibitors, angiotensin receptor blockers and diuretics.
Monitoring and investigations
- Continuous cardiotocography; hourly blood pressure and urine output via Foley catheter; fluid restriction around 80 mL/hour total.
- Repeat CBC, platelets, LFT, renal function, LDH, coagulation screen 6-hourly; group and cross-match 2 units.
Delivery
- Plan delivery within a few hours of stabilization. Alert theatre, anaesthetist and paediatric team; call in the on-call paediatrician for neonatal resuscitation.
- Do not give ergometrine postpartum - use oxytocin for the third stage.
- Discuss anaesthesia early: with platelets of 92 × 10⁹/L many units avoid neuraxial anaesthesia and use general anaesthesia; the threshold is debated, so agree with the anaesthetist and document the decision.
3. How do you respond to her request to wait, and how do you decide the mode of delivery and handle the absent NICU?
Read the worked answer
Her request: explore the reason - she wants her mother present and is frightened. Acknowledge it, then explain plainly that her headache, clonus and falling platelets mean a seizure or abruption could happen tonight, and that the baby is safer delivered now than after a crisis. Offer to telephone her mother and husband now, have someone stay with her, and give her the choice of who is called. She has capacity; her consent matters, but the clinical recommendation is not negotiable. Document the conversation.
Mode of delivery depends on cervical favourability, fetal condition and the previous caesarean scar, not on the diagnosis alone:
- If the cervix is favourable and the cardiotocograph remains reassuring, induction (Foley balloon or cautious misoprostol per local scar protocol, with continuous monitoring) is reasonable.
- With an unfavourable cervix, a previous caesarean, severe features and a need to avoid a long labour, caesarean delivery is the pragmatic choice. Decide promptly and document the reasoning; do not let the mode debate delay delivery.
No NICU: at 36+4 weeks this is late preterm. Most babies breathe and feed well, but transient tachypnoea, hypoglycaemia and hypothermia are real. Do not transfer her antenatally over 90 minutes of road - that delay is the greater risk. Deliver locally with a paediatrician present, a resuscitaire, warmth, glucose monitoring and early feeding support. Arrange retrieval of the baby after delivery if respiratory support is needed, and make that call to the tertiary centre in advance, not after the baby deteriorates.