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. 2021 Jan 7;11:616145. doi: 10.3389/fphys.2020.616145

Figure 4.

Figure 4

Effects of local oxygen enrichment on hemodynamic indices and ventricular weight of rats exposed to 4-week hypobaric hypoxia. (A,B) Representative images of right ventricular systolic pressure (RVSP) and mean pulmonary artery pressure (mPAP). (C,D) Statistical results of hemodynamic parameters, including RVSP and mPAP. (E–H) Statistical results of ventricular weight, including the heart weight (HW), left ventricular weight (LVW), right ventricular weight (RVW), and the RV weight to LV plus septum weight ratio [RV/(LV + S)]. All data are expressed as mean ± SD (n = 12). NC, normal control group; HAH, high-altitude hypoxia group; and HAHO, high-altitude hypoxia with oxygen enrichment group. *p < 0.05 vs. the NC group, **p < 0.05 vs. the NC group, ***p < 0.001 vs. the NC group, #p < 0.05 vs. the HAH group, and ##p < 0.01 vs. the HAH group.