Pulmonary Hypertension

The pulmonary vascular bed is normally of low pressure the systolic
pressure is about 25mm. Hg and the diastolic about 10.
Causes of P++
Hyperkinetic P++
® ASD, VSD, PDA.
Post capillary
® Lf VF or MVD
Obstructive
Embolic
Vasculitis.
1ry
reactive
® GOAD- High altitude – sleep apnea.

C/P
Cause
Rt V++.
Rt sided failure.
Investigations
cause – echo ® P++, Rt V+, ECG ® Rt V++

Treatment
cause

1ry Pulmonary Hypertension
This is a rare condition (female >male) esp children and young adult
Aet

unknown
® embolic or thrombotic events in pulm arterioles!?

C/P
* dyspnea
* Rt V failure

ttt
* Vasodilators have little efficacy.
* Heart – lung transplantation should be considered early.

Source: Internal Medicine Book of Dr.Osama Mahmoud (Ain Shams University)