0
edits
Pulmonary Hypertension: Difference between revisions
no edit summary
No edit summary |
No edit summary |
||
| Line 9: | Line 9: | ||
!Subcategories | !Subcategories | ||
|- | |- | ||
|Pulmonary Arterial Hypertension(PAH) | |||
| | | | ||
*Idiopathic PAH(unknown cause) | *Idiopathic PAH(unknown cause) | ||
| Line 16: | Line 16: | ||
*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 | ||
|- | |||
Pulmonary hypertension with left heart disease | |Pulmonary hypertension with left heart disease | ||
| | |||
*In disorders of left atrium and ventricle | *In disorders of left atrium and ventricle | ||
of the heart | of the heart | ||
*With Valvular | *With Valvular | ||
|- | |||
Pulmonary hypertension in pulmonary disease and / or hypoxemia | |Pulmonary hypertension in pulmonary disease and / or hypoxemia | ||
| | |||
*Chronic obstructive pulmonary disease(COPD) | *Chronic obstructive pulmonary disease(COPD) | ||
*Interstitial lung disease | *Interstitial lung disease | ||
| Line 32: | Line 31: | ||
*Congenital malformations / developmental | *Congenital malformations / developmental | ||
Pulmonary hypertension due to chronic thrombotic and / or embolic processes | |- | ||
|Pulmonary hypertension due to chronic thrombotic and / or embolic processes | |||
|- | |||
| | |||
*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) | ||
|- | |||
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 | ||
| Line 49: | Line 50: | ||
|} | |} | ||
Evidence of pulmonary hypertension | ==Evidence of pulmonary hypertension== | ||
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 | |- | ||
! | |||
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== | |||
{| class="wikitable" cellpadding="0" cellspacing="0" border="0" width="800px" | |||
|- | |||
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 | ||
| Line 65: | Line 98: | ||
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 | ||