Pulmonary Hypertension: Difference between revisions

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!Subcategories
!Subcategories
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!Pulmonary Arterial Hypertension(PAH)
|Pulmonary Arterial Hypertension(PAH)
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*Idiopathic PAH(unknown cause)
*Idiopathic PAH(unknown cause)
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*PAH with significant venous and / or capillary involvement
*PAH with significant venous and / or capillary involvement
*Persistent pulmonary hypertension of newborn
*Persistent pulmonary hypertension of newborn
 
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Pulmonary hypertension with left heart disease
|Pulmonary hypertension with left heart disease
 
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*In disorders of left atrium and ventricle
*In disorders of left atrium and ventricle
of the heart
of the heart
*With Valvular
*With Valvular
 
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Pulmonary hypertension in pulmonary disease and / or hypoxemia
|Pulmonary hypertension in pulmonary disease and / or hypoxemia
 
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*Chronic obstructive pulmonary disease(COPD)
*Chronic obstructive pulmonary disease(COPD)
*Interstitial lung disease
*Interstitial lung disease
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*Congenital malformations / developmental
*Congenital malformations / developmental
Pulmonary hypertension due to chronic thrombotic and / or embolic processes
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|Pulmonary hypertension due to chronic thrombotic and / or embolic processes
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|
*Thromboembolic obstruction of proximal pulmonary arteries
*Thromboembolic obstruction of proximal pulmonary arteries
*Thromboembolic obstruction of distal pulmonary arteries
*Thromboembolic obstruction of distal pulmonary arteries
*embolism of the lung(eg tumor, parasites, foreign body, bone marrow)
*embolism of the lung(eg tumor, parasites, foreign body, bone marrow)
 
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Pulmonary hypertension as a result of other diseases and disorders
|Pulmonary hypertension as a result of other diseases and disorders
 
|
*Sarcoidosis
*Sarcoidosis
*Histiocytosis X
*Histiocytosis X
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Evidence of pulmonary hypertension
==Evidence of pulmonary hypertension==
 Unlikely Possible Likely
 
SPAP <36 mmHg 36-50 mmHg > 50 mmHg
{| class="wikitable" cellpadding="0" cellspacing="0" border="0" width="800px"
TR Vmax < 2.8 m / s 2.9-3.4 m / s > 3.4 m / s
|-
Acct > 120 ms 120-60 ms <60 ms
!
RV MPI(TCO-ET/ET) < 0.36
!Unlikely
RV MPI(TDI) < 0:50
!Possible  
!Likely
|-
|SPAP  
|<36 mmHg  
|36-50 mmHg  
|>50 mmHg
|-
|TR Vmax  
|<2.8 m/s  
|2.9-3.4 m/s  
|>3.4 m/s
|-
|AccT
|>120 ms  
|120-60 ms  
|<60 ms
|-
|RV MPI (TCO-ET/ET)  
|<0.36
|
|
|-
|RV MPI (TDI)  
|<0:50
|
|
|}
 
==Calculations for estimating pressure in the pulmonary artery==
 
 
Calculations for estimating pressure in the pulmonary artery
{| class="wikitable" cellpadding="0" cellspacing="0" border="0" width="800px"
 formula
|-
Systolic PA pressure 4 x(TR Vmax) ² + estimated RA pressure
!
!Formula
|-
|Systolic PA pressure 4 x(TR Vmax) ² + estimated RA pressure
Diastolic PA pressure 4 x(PR Ved) ² + estimated RA pressure
Diastolic PA pressure 4 x(PR Ved) ² + estimated RA pressure
Mean PA pressure 0.3 x systolic PA pressure + 0.6 x diastolic PA pressure
Mean PA pressure 0.3 x systolic PA pressure + 0.6 x diastolic PA pressure
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4 x(PR Vmax) ² + estimated RA pressure
4 x(PR Vmax) ² + estimated RA pressure
TR PGmean + estimated RA pressure
TR PGmean + estimated RA pressure
 
|}
 
Example severe pulmonary hypertension
Example severe pulmonary hypertension


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