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Hemodynamic data, blood gas data in pressure-controlled ventilation (PCV) pre-lavage, PCV post-lavage, and during lung volume optimization procedure in high-frequency oscillatory ventilation |
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| PCV pre-lavage |
PCV post-lavage |
45 mbar |
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| Heart rate (beats/minute) |
113 (112–124) |
112 (102–125) |
141 (126–167) |
| Right atrial pressure (mmHg) |
9 (9–9) |
10 (8–11) |
16 (15–18)** |
| Mean pulmonary artery pressure (mmHg) |
25 (20–37) |
34 (30–41) |
41 (35.7–52)** |
| Pulmonary occlusion pressure (mmHg) |
10 (7–12) |
13 (11–13) |
24 (23–26)** |
| Left ventricular end-diastolic pressure (mmHg) |
3 (1–4) |
3.5 (2–6) |
12 (11–13)** |
| Mean arterial pressure (mmHg) |
89.5 (67–106) |
83 (82–85) |
85 (66–89) |
| Cardiac output (l/min) |
3.28 (3.1–3.5) |
3.6 (3.1–3.9) |
2.6 (2.3–3.1)** |
| Stroke volume (ml) |
31 (27–36) |
32 (31–35) |
19 (18–24)** |
| Intrathoracic blood volume (ml) |
598.5 (548–622) |
594 (553–690) |
442 (401–469) |
| Extravascular lung water (ml) |
290 (241–311) |
420 (354–463)* |
355 (315–476) |
| Systemic vascular resistance (dyn*s/cm5) |
1817 (1277–2508) |
1542 (1450–2074) |
2403 (1524–2585) |
| Pulmonary vascular resistance (dyn*s/cm5) |
266 (213–775) |
545 (275–693) |
639 (404–859) |
| Mean pulmonary artery pressure–right atrial pressure (mmHg) |
16 (11–28) |
26 (22–30) |
28 (19–34) |
| Transpulmonary pressure (mbar) |
4.5 (4–6) |
10 (8–11)* |
36 (32–43)** |
| PaO2 (Torr) |
559 (535–658) |
99 (56–128)* |
621 (557–522)** |
| PaO2/FiO2 ratio |
559 (535–658) |
99 (56–128)* |
621 (557–522)** |
| Oxygenation index |
1.4 (1.2–2) |
16.3 (14.6–21.3)* |
7.2 (6.8–7.2)** |
| Oxygen delivery (ml O2/minute) |
408.3 (382.5–427.6) |
373 (297.6–427.9) |
312 (299–466.2) |
| Shunt proportion |
9.9 (8.8–11) |
51.8 (49–55)* |
1.03 (0.4–3)** |
| PaCO2 (Torr) |
39.6 (32.8–48.4) |
47 (40.7–58.8) |
38.5 (28.3–46.6) |
| Oxygen saturation (%) |
99.9 (99.9–99.9) |
92 (89.7–96.5)* |
99.9 (99–100)** |
| pH |
7.45 (7.4–7.5) |
7.38 (7.31–7.4) |
7.41 (7.37–7.5) |
| Standard bicarbonate (mmol/l) |
28.2 (27.8–30.2) |
28.5 (26.2–30.9) |
25 (23.2–27.5) |
| Base excess |
4.8 (2.1–5.9) |
2.25 (1–2.9)* |
0.7 (-0.12 to 4.95) |
| Hemoglobin (g/dl) |
7.6 (7.5–8) |
7.8 (7.4–8.3) |
7.9 (7.1–9.7) |
| Plateau airway pressure (cmH20) |
21 (10.8–14.4) |
30 (25–35) |
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| Inspiratory tidal volume (ml) |
335 (330–450) |
390 (310–440) |
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| Dynamic lung compliance (ml/mbar) |
12.6 (10.8–14.4) |
7.9 (5.3–9.8)* |
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Data presented as median (25th–75th percentiles). *P < 0.05 vs PCV pre-lavage (Wilcoxon signed-rank test), **P < 0.05 vs PCV post-lavage. | |||
Karmrodt et al. Critical Care 2006 10:R138 doi:10.1186/cc5052 |
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