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Table 1 Criteria for severe maternal morbidity

From: Severe maternal morbidity: a case-control study in Maranhao, Brazil



Acute pulmonary oedema: Necessitating intravenous furosemide or intubation

Severe pre-eclampsia

Cardiac arrest


Hypovolaemia requiring ≥ 5 unit of packet red blood cells

HELLP Syndrome ((haemolysis, elevated liver enzymes, low platelets)

Intensive care admission for sepsis

Severe sepsis

Emergency hysterectomy for sepsis

Severe haemorrhage (estimated blood loss ≥ 1500 ml, peripartum fall in a hemoglobin concentration ≥ 4g/dl or transfusion ≥ 4 units of packed red blood cells)

Intubation and ventilation for more than 60 minutes, for ant reason other than a general anesthetic

Uterine rupture

Peripheral O2 saturation <90% for more than 60 minutes


Ratio (PaO2/FiO2) <300


Oliguria, defined as diuress <400ml/24h refractory to careful hydration or to furosemide or dopamine


Acute urea deterioration to > 15 mmol/ l or creatinine > 400mmol / l


Jaundice in the presence of pre-eclampsia


Diabetic ketoacidosis


Thyrotoxic crisis


Acute thrombocytopenia requiring a platelet transfusion


Coma in a patient lasting > 12 hours


Subarachnoid or intracerebral hemorrhage


Intensive care admission admission for any reason


Emergency hysterectomy for any reason


Anaesthetic Accident: severe hypotension (systolic pressure <90 mmHg lasting >60 minutes) associated with spinal or epidural anaesthetic


Anaesthetic Accident : Failed tracheal intubation requiring anaesthetic reversal