Keywords:
Cardiovascular system, Pulmonary vessels, Thorax, MR, Catheters, Haemodynamics / Flow dynamics
Authors:
N. CREUZE, S. Hoette, D. Chemla, D. Montani, X. Jais, O. Sitbon, M. Humbert, G. Simmoneau, D. Musset; Clamart/FR
DOI:
10.1594/ecr2011/C-0384
Results
Fig.
Fig.
n =75 |
Age,
yrs |
60 ± 13 |
Gender |
33F / 42M |
BSA,
m2 |
1.8 ± 0.2 |
NYHA |
6 II,
61 III,
9 IV |
6MWD,
m |
366 ± 125 |
SVO2,
% |
61,5 ± 9,6 |
Diagnosis |
19 PAH
7 associated to lung
disease
41 CTEPH
8 multifactorial
|
Table 1.
Clinical characteristics. BSA: body surface area,
NYHA: New York heart association functional class,
6MWD: six minute walking distance,
SVO2: mixed venous saturation,
CTEPH: chronic thromboembolic pulmonary hypertension,
PAH: pulmonary arterial hypertension.
Means ±SD.
n =75 |
RAP,
mmHg |
7 ± 5 |
mPAP,
mmHg |
46 ± 10 |
PCWP,
mmHg |
8 ± 3 |
CO,
l/min |
4.7 ± 1.7 |
CI,
l/min/m2 |
2.6 ± 0.8 |
TPR,
WU |
11 ± 5 |
PVR,
WU |
9 ± 4 |
Table 2.
Hemodynamics. RAP: right atrium pressure,
mPAP: mean pulmonary arterial pressure,
PCWP: pulmonary capillary wedge (occluded) pressure,
CO: cardiac output,
CI: cardiac index,
TPR: total pulmonary resistance, PVR: pulmonary vascular resistance.
Means ±SD.
n = 75 |
RAA, cm² |
28 ± 9 |
CI CMR,
l/min/m2 |
2.5 ± 0.9 |
LAA, cm² |
18 ± 5 |
LVEF,
% |
61 ± 14 |
RVEDA,
cm² |
34 ± 8 |
RVEF,
% |
30 ± 17 |
LVEDA,
cm² |
27 ± 7 |
TAPSE,
mm |
13.4 ± 4.5 |
RVEDA/LVEDA |
1.3 ± 0.4 |
RVEDV,
ml |
190 ± 73 |
PA trunk,
mm |
34 ± 4 |
PA compliance,
% |
14 ± 11 |
Table 3.
CMR data. RAA: right atrium area,
LAA: left atrium area,
RVEDA: right ventricle end-diastolic area,
LVEDA: left ventricle end-diastolic area,
PA trunk: pulmonary artery trunk diameter,
CI CMR: cardiac index by CMR,
LVEF: left ventricular ejection fraction, RVEF: right ventricular ejection fraction,
TAPSE: Tricuspid Annulus Plane Systolic Excursion,
PA compliance: pulmonary artery compliance.
Means ±SD.
•Pulmonary vascular resistance was NOT related to
–RV end-diastolic area (r = 0.05,
p = NS)
–RV end-diastolic volume (r = 0.06,
p=NS)
•Pulmonary vascular resistance was strongly related to LV end-diastolic area (r = -0.73,
p<0.001).