Time points

Cases

mPAP (mmHg)

RVID (mm)

RVOT (mm)

RVID/LVID (%)

50 d exposure to high altitude

96

29.08 ± 4.22

21.63 ± 2.79

32.73 ± 4.05

45.86 ± 3.53

12 h after return to low altitude

96

23.05 ± 3.18⁽¹⁾

19.75 ± 2.48⁽¹⁾

30.96 ± 3.52

42.16 ± 3.34

15 d after return to low altitude

96

18.96 ± 1.75⁽²⁾

18.01 ± 2.23⁽¹⁾

29.29 ± 3.22

38.22 ± 2.96

30 d after return to low altitude

96

18.63 ± 1.22^(1)(2)(3)

16.82 ± 1.87⁽¹⁾⁽²⁾

27.47 ± 3.34⁽¹⁾⁽²⁾

35.43 ± 2.77⁽¹⁾⁽²⁾

Plain control

50

18.50 ± 1.30⁽¹⁾⁽²⁾

16.76 ± 2.07⁽¹⁾⁽²⁾

27.33 ± 3.66⁽¹⁾

35.94 ± 2.86⁽¹⁾⁽²⁾