TABLE 2.
Isolated lung hemodynamics at baseline
| Perfusate
|
|||
|---|---|---|---|
| Normal Ca2+
|
Low Ca2+
|
||
| Shams | Fistulas | Fistulas | |
| n | 16 | 15 | 5 |
| Body weight, g | 418 ± 9 | 433 ± 9 | 455 ± 18 |
| Q, ml/min | 12.3 ± 0.5 | 14.1 ± 0.6* | 12.7 ± 0.4 |
| Pa, cm H2O | 13.8 ± 0.5 | 16.9 ± 1.4 | 13.9 ± 1.0 |
| Pc, cm H2O | 8.7 ± 0.2 | 9.4 ± 0.6 | 9.0 ± 0.6 |
| Pv, cm H2O | 4.2 ± 0.1 | 4.3 ± 0.1 | 4.2 ± 0.3 |
| Rt, cm H2O/ml/min | 0.79 ± 0.04 | 0.92 ± 0.13 | 0.78 ± 0.08 |
| Kf, ml/min/cm H2O/g dry wt | 0.009 ± 0.001 | 0.008 ± 0.001 | 0.009 ± 0.001 |
Definition of abbreviations: Kf = filtration coefficient; Pa = pulmonary artery pressure; Pc = pulmonary capillary pressure; Pv = pulmonary venous pressure; Q = perfusate flow; Rt = total pulmonary vascular resistance.
Data are means ± SE.
*
p < 0.05 versus shams.