Table 2 Delivery and collapse details of the maternal deaths secondary to amniotic fluid embolism in China, 1996–2013
Delivery and collapse details | Number | Percent |
|---|---|---|
Rupture of membranes prior to onset | ||
Yes | 504 | 78.8 |
Artificial | 100 | 15.6 |
Spontaneously | 315 | 49.2 |
Unknown | 89 | 13.9 |
No | 136 | 21.3 |
Meconium stained liquor | ||
None | 79 | 12.3 |
Fresh | 60 | 9.4 |
Old | 101 | 15.8 |
Unknown | 400 | 62.5 |
Method of birth | ||
Undelivereda | 154 | 24.1 |
Non-instrumental vaginal | 290 | 45.3 |
Instrumental vaginal | 93 | 14.5 |
Caesarean | 103 | 16.1 |
Location of onset of symptoms | ||
Home | 54 | 8.4 |
Maternity ward | 91 | 14.2 |
Labour room | 6 | 0.9 |
Theatre | 85 | 13.3 |
Delivery Suite | 227 | 35.5 |
Other | 28 | 4.4 |
Unknown | 149 | 23.3 |
Pregnancy state at onset of collapse | ||
Pre-labour | 30 | 4.7 |
First stage | 112 | 17.5 |
Second stage | 111 | 17.3 |
Post delivery | 337 | 52.7 |
Unknown | 50 | 7.8 |
Time from delivery until onset of symptomsb | ||
0 ~ 0.5 h after delivery | 141 | 55.73 |
0.5 ~ 1 h after delivery | 55 | 21.74 |
1 ~ 1.5 h after delivery | 23 | 9.09 |
1.5 ~ 2 h after delivery | 8 | 3.16 |
2 ~ hours after delivery | 26 | 10.28 |
Place of death | ||
Hospital | 554 | 86.6 |
City | 169 | 26.4 |
County | 261 | 40.8 |
Township | 121 | 18.9 |
Village | 3 | 0.5 |
Home | 39 | 6.1 |
On the way to hospital | 42 | 6.6 |
Other | 5 | 0.8 |