Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

LVEF \< 45% (echocardiography)
Post-capillary pulmonary hypertension (pulmonary capillary wedge pressure \> 15 mmHg)
Chronic Thromboembolic hypertension
Pulmonary embolism \< 6 months
Acute coronary syndrome \< 3 months
Significant cardiac valvulopathy (echocardiography)
Portal hypertension
Connective tissue disease
chronic renal insufficient (clearance \< 40 ml/min)
Glycated hemoglobin \> 7% (if diabetes)
Non controlled arterial hypertension
Positive beta-HCG
Respiratory exacerbation during the inclusive period
Patients under guardianship or curatorship

The Significance of Circulating Microvesicles in Pulmonary Hypertension Due to Chronic Obstructive Pulmonary Disease