Pulmonary Hypertension

Question 1

pulmonary hypertension groups

Answer 1

I pulmonary arterial hypertension
II due to left heart disease
III due to chronic lung disease and hypoxemia
IV pulmonary artery obstruction
V miscellaneous

Question 2

severity of pulmonary hypertension based on echo

Answer 2

mild-to-moderate: Pulmonary artery systolic pressure 20-60 mmHg
Severe: Greater than 60 mmHg

Question 3

when should patient’s with group 3 pulmonary hypertension undergo right heart catheter

Answer 3

1. With severe pulmonary hypertension
2. with moderate (40-59 mmHg)on an individualized basis

Even with group 3 right heart catheter will provide prognostic information and assess candidacy for transplant

Question 4

severity of pulmonary hypertension by right heart catheter

Answer 4

mean pulmonary artery pressure greater than 35 mmHg: Severe
mean pulmonary artery pressure greater than 25 mmHg with elevated right atrial pressure and/or cardiac index less than 2liters per minute per meter squared