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Table 2 Clinical and echocardiographic characteristics of the patients

From: Echocardiographic assessment of pulmonary vascular resistance in pulmonary arterial hypertension

Characteristics

Results

WHO functional class:

 

   - I

n = 2

   - II

n = 16

   - III

n = 15

   - IV

n = 4

Rest rhythm:

 

   - atrial fibrillation

n = 5

   - sinusal rhythm

n = 32

RAP (mmHg)

8.3 ± 3.9

PASP (mmHg)

64 ± 19.5

Right atrial area (cm2)

21 ± 6

Right ventricular end-diastolic diameter (cm)

3.8 ± 0.6

Tricuspid annular plane systolic excursion (cm)

2.1 ± 0.5

Systolic velocity of the tricuspid annulus (cm/s)

12.4 ± 2.8

  1. PASP: Pulmonary Artery Systolic Pressure; RAP: Right Atrial Pressure.