Background: Atypical Haemolytic Uremic Syndrome is an acute life-threatening condition, characterized by the clinical triad of microangiopathic hemolytic anaemia, thrombocytopenia, kidney injury. Management of pregnants affected by Atypical Haemolytic Uremic Syndrome can be a serious concern for obstetric anesthesiologist in the delivery room and in the intensive care unit. Case presentation: A 35-year-old primigravida with a monochorionic diamniotic twin pregnancy, presented with an acute haemorrhage due to retained placenta after elective caesarean section and underwent surgical exploration. In the postoperative period, the patient progressively developed hypoxemic respiratory failure and, later on, anaemia, severe thrombocytopenia, and acute kidney injury. A timely diagnosis of Atypical Haemolytic Uremic Syndrome was made. Non-invasive ventilation and high-flow nasal cannula oxygen therapy sessions were initially required. Hypertensive crisis and fluid overload were aggressively treated with a combination of beta and alpha adrenergic blockers (labetalol 0,3 mg/kg/h by continuous intravenous infusion for the first 24 hours, bisoprolol 2,5 mg twice daily for the first 48 hours, doxazosin 2 mg twice daily), central sympatholytics (methyldopa 250 mg twice daily for the first 72 hours, transdermal clonidine 5 mg by the third day), diuretics (furosemide 20 mg three times daily), calcium antagonists (amlodipine 5 mg twice daily). Eculizumab 900 mg was administered via intravenous infusion once per week, attaining hematological and renal remissions. The patient also received several blood transfusion units and anti- meningococcal B, anti-pneumococcal, anti-haemophilus influenzae type B vaccination. Her clinical condition progressively improved, and she was finally discharged from intensive care unit 5 days after admission. Conclusions: The clinical course of this report underlines how crucial it is for the obstetric anaesthesiologist to promptly identify Atypical Haemolytic Uremic Syndrome, since early initiation of eculizumab, together with supportive therapy, has a direct effect on patient outcome.
CITATION STYLE
Catarci, S., Zanfini, B. A., Di Muro, M., Capone, E., Frassanito, L., Santantonio, M. T., & Draisci, G. (2023). A case report of an atypical haemolytic uremic syndrome in pregnancy: something wicked this way comes. BMC Anesthesiology, 23(1). https://doi.org/10.1186/s12871-023-02066-4
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