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. 2011 Apr 26;2011:750301. doi: 10.5402/2011/750301

Table 1.

Hemodynamics before and after gradual pulmonary artery embolism.

Baseline Embolism 1 Embolism 2 Embolism 3
Heart rate, bpm 90 ± 8 122 ± 8a   135 ± 9a 148 ± 8ab
CO, L/min/m2 4.1 ± 0.1 3.3 ± 0.4a 2.7 ± 0.3a 1.7 ± 0.3abc
Psa, mmHg 110 ± 10 119 ± 11 106 ± 8   88 ± 8abc
Ppa, mmHg 18 ± 2 31 ± 3a 39 ± 3ab 47 ± 4abc
Pra, mmHg 7 ± 1 7 ± 1   9 ± 2ab 10 ± 1ab
Ppao, mmHg 7 ± 1 7 ± 1 11 ± 1ab 12 ± 1ab
Zo, dyn·s·cm−5·m2   530 ± 45 1704 ± 244a 2268 ± 190ab 3498 ± 208abc
Zc, dyn·s·cm−5·m2 92 ± 13 265 ± 30a 297 ± 59a 416 ± 43abc
F min, Hz 3.40 ± 0.25 4.90 ± 0.50a 4.88 ± 0.71 4.92 ± 0.53a
Ph1, rad −0.32 ± 0.03 −0.57 ± 0.08a −0.55 ± 0.09a −0.65 ± 0.10a
Ees, mmHg/mL 1.82 ± 0.10 2.70 ± 0.06a 2.28 ± 0.42a 1.20 ± 0.23abc
Ea, mmHg/mL 1.08 ± 0.15 3.15 ± 0.13a 4.22 ± 0.40ab 5.62 ± 0.32abc
Ees/Ea 1.69 ± 0.15 0.86 ± 0.28a 0.54 ± 0.25a 0.21 ± 0.07abc
SV, mL 41 ± 3 27 ± 2a 18 ± 2ab 12 ± 3abc

Values are means ± SE (n = 10). CO: cardiac output; Psa: systemic arterial pressure; Ppa: pulmonary arterial pressure; Pra: right atrial pressure; Ppao: occluded Ppa; Zo: 0-Hz impedance; Zc: characteristic impedance; Ees: end-systolic elastance; Ea: arterial elastance. a P < .05 versus baseline; b P < .05 versus embolism 1; c P < .05 versus embolism 2.