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Table 1 Outcome parameters from baseline till the end of reperfusion (T6)

From: A novel experimental porcine model to assess the impact of differential pulmonary blood flow on ischemia–reperfusion injury after unilateral lung transplantation

Number of pigs, n

Low flow

High flow

6

6

Donor

 Body weight, kg

50.5 (± 1.2)

49.5 (± 1.4)

 pO2, mmHg

539.5 (450–568.3)

525 (452.5–555)

 pCO2

41.7 (38.3–42.9)

42.5 (41.7–43.4)

Recipient

 Body weight, kg

52.7 (± 0.9)

52.3 (± 2.1)

Baseline

 mPAP, mmHg

24 (18.8–29.5)

22.5 (19–28.5)

 pCO2

49.8 (44.4–52.1)

48.5 (39.6–50.8)

 pO2 (LPV), mmHg

369 (287.8–531)

346 (308–417.5)

 pO2 (RPV), mmHg

426.5 (395.5–453.5)

380 (321–407.5)

 CO, L/min

3.85 (3.6–4.1)

4.7 (3.9–5.9)

 Flow left PA, L/min

1.3 (0.9–1.8)

1.4 (0.9–1.9)

Reperfusion T0

 mPAP, mmHg

29.5 (19–36.3)

28.5 (22.8–30.3)

 pCO2

47.4 (37.2–54.4)

46.3 (43.3–57.4)

 pO2 (LPV), mmHg

300 (87.1–448)

315.5 (89.68–389.8)

 pO2 (RPV), mmHg

325.5 (280.5–425.5)

371.5 (305.9–433.5)

 CO, L/min

3.8 (3.3–5)

4.5 (3.8–6.4)

 Flow left PA, L/min

0.18 (0.10–0.36)

0.17 (0.4–0.60)

Reperfusion T1

 mPAP, mmHg

27.5 (20.3–30.8)

27.5 (16.8–34.5)

 pCO2

46.2 (42.6–52.3)

48.3 (44.9–54.2)

 pO2 (LPV), mmHg

38 (319–441.8)

414.5 (256.5–452.5)

 pO2 (RPV), mmHg

371 (297.3–460)

416 (344.3–448.3)

 CO, L/min

38 (2.9–5.4)

4 (3.4–4.6)

 Flow left PA, L/min

0.32 (0.19–0.48)

0.39 (0.25–0.95)

Reperfusion T2

 mPAP, mmHg

32.5 (28–34.5)

37 (29.3–42.3)

 pCO2

43.6 (39.4–55.3)

47.9 (42.9–50.9)

 pO2 (LPV), mmHg

352 (278.3–446.5)

291 (71.1–493)

 pO2 (RPV), mmHg

404 (319.3–447.8)

410 (298.8–472.8)

 CO, L/min

4.2 (3.3–4.7)

3.8 (3.1–4.2)

 Flow left PA, L/min

1.1 (0.5–1.9)

1.5 (0.6–2.2)

Reperfusion T3

 mPAP, mmHg

28.5 (25.8–41.5)

38 (28.5–42.3)

 pCO2

46.8 (43.7–49.1)

48.3 (44.6–54.5)

 pO2 (LPV), mmHg

275 (194.9–358)

118.2 (79.3–296.5)

 pO2 (RPV), mmHg

434 (392.5–477.5)

413.5 (316–451)

 CO, L/min

3.7 (2.8–4.2)

4 (3.9–4.5)

 Flow left PA, L/min

0.53 (0.43–0.66)

1.8 (1.1–2.2)

Reperfusion T4

 mPAP, mmHg

32 (21.5–40.3)

38.5 (34.8–45.3)

 pCO2

46.2 (44.5–55.9)

48.3 (46.1–51.4)

 pO2 (LPV), mmHg

270 (86.2–331)

97 (77.2–215.3)

 pO2 (RPV), mmHg

397.5 (349.5–454.8)

322.5 (172.8–430.8)

 CO, L/min

3.6 (3.3–4.4)

4.1 (3.4–4.9)

 Flow left PA, L/min

0.69 (0.36–0.91)

1.7 (1.2–2.5)

Reperfusion T5

 mPAP, mmHg

27.5 (23.5–32)

42.5 (29.5–46.3)

 pCO2

42.4 (37.3–46.3)

47.8 (43.6–53.6)

 pO2 (LPV), mmHg

300.5 (193.8–355)

185.5 (70.3–234.3)

 pO2 (RPV), mmHg

389.5 (351.8–445.8)

435.5 (369.8–486.5)

 CO, L/min

3.5 (3–5.1)

4.2 (3.4–4.8)

 Flow left PA, L/min

0.43 (0.36–0.59)

2.2 (1.1–2.5)

  1. Data are expressed as median (25%–75% interquartile range); and Mann–Whitney was used for comparing the two groups
  2. CO cardiac output, PA pulmonary artery, pO2 partial pressure of oxygen, pCO2 partial pressure of carbon dioxide, LPV left pulmonary vein, RPV right pulmonary vein, mPAP mean pulmonary arterial pressure, T0 start of reperfusion (baseline), T1 after 1 h reperfusion, T2 after 2 h reperfusion, T3 after 3 h reperfusion, T4 after 4 h reperfusion, T5 after 5 h reperfusion, T6 after 6 h reperfusion, W/D wet-to-dry weight ratio, RLL right lower lobe, LLL left lower lobe, LF low flow, HF high flow