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Table 1 Perfusion variables.

From: Placental transfer of the polybrominated diphenyl ethers BDE-47, BDE-99 and BDE-209 in a human placenta perfusion system: an experimental study

Parameter\Perfusion no. 1 2 3 4 5
Volume loss, maternal (ml/min) 0.016 0.025 n.d. 0.012 0.016
Volume loss, fetal (ml/min) 0.008 0.005 0.045a 0.003 0.025
Flow, fetal (ml/min) 3.1 3.2 3.1a 2.9 3.1
Time, birth to lab (min) n.d. 29 58 24 n.d.
Pre-perfusion (min) 48 43 56 43 48
Antipyrene, FM-ratio (at 240 min) 0.95 1.21 0.92 0.74
(1.04 at 190 min)
1.02
Maternal age (yr) 26 24 30 37 31
Placenta weight (g) 1077 675 550 620 1077
Cotyledon weight (g) 47 51 16 20 47
Total perfused (g) 113 157 86 112 113
Caesarean section N N N Y N
Gestation age (weeks + days) n.d. 41+3 41+0 39+1 39+4
Smoker N N N N N
Medicine N N Penicillin Innohep &
locoid one week
Citalopram
  1. Details of donors and perfusion of five individual ex vivo placenta perfusions of PBDEs. The perfusions lasted four hours, except no. 3 for which leakage was detected after two hours.
  2. n.d.: no data; afor the first two hours only.