You are viewing the site in preview mode

Skip to main content

Advertisement

Table 1 Frequency of diagnoses and procedures contributing to the maternal morbidity outcome indicator (MMOI) during the birth admission 1999–2004

From: Trends in adverse maternal outcomes during childbirth: a population-based study of severe maternal morbidity

Indicators of severe maternal morbidity Frequency* Rate/10 000
Morbid events/diagnoses† 1340  
   Shock 321 6.41
   Uterine rupture 265 5.29
   Cardiac failure 225 4.49
   Obstetric embolism 194 3.88
   Acute renal failure 105 2.10
   Major complication of anaesthesia 95 1.90
   Psychosis 29 0.58
   Status asthmaticus 21 0.42
   Status epilepticus 19 0.38
   Acute appendicitis 18 0.36
   Cerebrovascular accident 16 0.32
Procedures indicating morbidity 6320  
   Any transfusion‡ 4710 94.1
   Blood transfusion 4552 90.9
   Transfusion of other blood products 612 12.4
Procedures to control bleeding   
   Evacuation haematoma 306 6.11
   Hysterectomy 156 3.12
   Dilatation and curettage with GA 155 3.10
   Embolisation or ligation of blood vessels 40 0.80
   Other interventions to control post-operative bleeding 48 0.96
Other procedures   
   Assisted ventilation 132 2.64
   Repair bladder 113 2.26
   Repair ruptured uterus 66 1.32
   Cystostomy 64 1.28
   Reclose disrupted CS wound 24 0.48
   Repair small or large intestine 18 0.36
   Dialysis 17 0.34
  1. *women can have more than one diagnosis and/or procedure.
  2. † Total includes diagnoses and procedures with ≤ 10 events including, myocardial infarction, cerebral oedema, peritonitis, disseminated intravascular coagulopathy, sickle cell anaemia with crisis and repair of inverted uterus.
  3. ‡ Includes transfusion of blood or blood products (eg platelets, coagulation factors).
  4. GA = general anaesthesia